178d1ad443658709d6c27809001a0e71efd8b898fyangguo@chromium.org// Copyright 2012 the V8 project authors. All rights reserved. 23484964a86451e86dcf04be9bd8c0d76ee04f081rossberg@chromium.org// Use of this source code is governed by a BSD-style license that can be 33484964a86451e86dcf04be9bd8c0d76ee04f081rossberg@chromium.org// found in the LICENSE file. 4b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 5196eb601290dc49c3754da728dc58700dff2de1bmachenbach@chromium.org#include "src/v8.h" 6b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 793a47f4837f2137c8d8349250fd8e91da3108126jkummerow@chromium.org#if V8_TARGET_ARCH_X64 89dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 96313e220249748eb26e1ddcee2bbe857fef03b42machenbach@chromium.org#include "src/code-factory.h" 10196eb601290dc49c3754da728dc58700dff2de1bmachenbach@chromium.org#include "src/code-stubs.h" 11196eb601290dc49c3754da728dc58700dff2de1bmachenbach@chromium.org#include "src/codegen.h" 12196eb601290dc49c3754da728dc58700dff2de1bmachenbach@chromium.org#include "src/compiler.h" 13196eb601290dc49c3754da728dc58700dff2de1bmachenbach@chromium.org#include "src/debug.h" 14196eb601290dc49c3754da728dc58700dff2de1bmachenbach@chromium.org#include "src/full-codegen.h" 15d3df75b4472c9d5d4d2615aaea74d2adce4160f8machenbach@chromium.org#include "src/ic/ic.h" 16196eb601290dc49c3754da728dc58700dff2de1bmachenbach@chromium.org#include "src/isolate-inl.h" 17196eb601290dc49c3754da728dc58700dff2de1bmachenbach@chromium.org#include "src/parser.h" 18196eb601290dc49c3754da728dc58700dff2de1bmachenbach@chromium.org#include "src/scopes.h" 19b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 20b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.orgnamespace v8 { 21b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.orgnamespace internal { 22b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 23b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org#define __ ACCESS_MASM(masm_) 24b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 25d91075f76b836c2cfa4f4e4cc0fb31170df864ccerik.corry@gmail.com 26d91075f76b836c2cfa4f4e4cc0fb31170df864ccerik.corry@gmail.comclass JumpPatchSite BASE_EMBEDDED { 27d91075f76b836c2cfa4f4e4cc0fb31170df864ccerik.corry@gmail.com public: 28486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org explicit JumpPatchSite(MacroAssembler* masm) : masm_(masm) { 29d91075f76b836c2cfa4f4e4cc0fb31170df864ccerik.corry@gmail.com#ifdef DEBUG 30d91075f76b836c2cfa4f4e4cc0fb31170df864ccerik.corry@gmail.com info_emitted_ = false; 31d91075f76b836c2cfa4f4e4cc0fb31170df864ccerik.corry@gmail.com#endif 32d91075f76b836c2cfa4f4e4cc0fb31170df864ccerik.corry@gmail.com } 33d91075f76b836c2cfa4f4e4cc0fb31170df864ccerik.corry@gmail.com 34d91075f76b836c2cfa4f4e4cc0fb31170df864ccerik.corry@gmail.com ~JumpPatchSite() { 35e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(patch_site_.is_bound() == info_emitted_); 36d91075f76b836c2cfa4f4e4cc0fb31170df864ccerik.corry@gmail.com } 37d91075f76b836c2cfa4f4e4cc0fb31170df864ccerik.corry@gmail.com 3883a4728861129dc263ded92157f3e6389f851f19karlklose@chromium.org void EmitJumpIfNotSmi(Register reg, 3983a4728861129dc263ded92157f3e6389f851f19karlklose@chromium.org Label* target, 4083a4728861129dc263ded92157f3e6389f851f19karlklose@chromium.org Label::Distance near_jump = Label::kFar) { 41d91075f76b836c2cfa4f4e4cc0fb31170df864ccerik.corry@gmail.com __ testb(reg, Immediate(kSmiTagMask)); 4283a4728861129dc263ded92157f3e6389f851f19karlklose@chromium.org EmitJump(not_carry, target, near_jump); // Always taken before patched. 43d91075f76b836c2cfa4f4e4cc0fb31170df864ccerik.corry@gmail.com } 44d91075f76b836c2cfa4f4e4cc0fb31170df864ccerik.corry@gmail.com 4583a4728861129dc263ded92157f3e6389f851f19karlklose@chromium.org void EmitJumpIfSmi(Register reg, 4683a4728861129dc263ded92157f3e6389f851f19karlklose@chromium.org Label* target, 4783a4728861129dc263ded92157f3e6389f851f19karlklose@chromium.org Label::Distance near_jump = Label::kFar) { 48d91075f76b836c2cfa4f4e4cc0fb31170df864ccerik.corry@gmail.com __ testb(reg, Immediate(kSmiTagMask)); 4983a4728861129dc263ded92157f3e6389f851f19karlklose@chromium.org EmitJump(carry, target, near_jump); // Never taken before patched. 50d91075f76b836c2cfa4f4e4cc0fb31170df864ccerik.corry@gmail.com } 51d91075f76b836c2cfa4f4e4cc0fb31170df864ccerik.corry@gmail.com 52d91075f76b836c2cfa4f4e4cc0fb31170df864ccerik.corry@gmail.com void EmitPatchInfo() { 534f693d6b99ffdbc05e5e211e08ed5039e13279d2ricow@chromium.org if (patch_site_.is_bound()) { 544f693d6b99ffdbc05e5e211e08ed5039e13279d2ricow@chromium.org int delta_to_patch_site = masm_->SizeOfCodeGeneratedSince(&patch_site_); 55e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(is_uint8(delta_to_patch_site)); 564f693d6b99ffdbc05e5e211e08ed5039e13279d2ricow@chromium.org __ testl(rax, Immediate(delta_to_patch_site)); 57d91075f76b836c2cfa4f4e4cc0fb31170df864ccerik.corry@gmail.com#ifdef DEBUG 584f693d6b99ffdbc05e5e211e08ed5039e13279d2ricow@chromium.org info_emitted_ = true; 59d91075f76b836c2cfa4f4e4cc0fb31170df864ccerik.corry@gmail.com#endif 604f693d6b99ffdbc05e5e211e08ed5039e13279d2ricow@chromium.org } else { 614f693d6b99ffdbc05e5e211e08ed5039e13279d2ricow@chromium.org __ nop(); // Signals no inlined code. 624f693d6b99ffdbc05e5e211e08ed5039e13279d2ricow@chromium.org } 63d91075f76b836c2cfa4f4e4cc0fb31170df864ccerik.corry@gmail.com } 64d91075f76b836c2cfa4f4e4cc0fb31170df864ccerik.corry@gmail.com 65d91075f76b836c2cfa4f4e4cc0fb31170df864ccerik.corry@gmail.com private: 66d91075f76b836c2cfa4f4e4cc0fb31170df864ccerik.corry@gmail.com // jc will be patched with jz, jnc will become jnz. 6783a4728861129dc263ded92157f3e6389f851f19karlklose@chromium.org void EmitJump(Condition cc, Label* target, Label::Distance near_jump) { 68e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(!patch_site_.is_bound() && !info_emitted_); 69e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(cc == carry || cc == not_carry); 70d91075f76b836c2cfa4f4e4cc0fb31170df864ccerik.corry@gmail.com __ bind(&patch_site_); 7183a4728861129dc263ded92157f3e6389f851f19karlklose@chromium.org __ j(cc, target, near_jump); 72d91075f76b836c2cfa4f4e4cc0fb31170df864ccerik.corry@gmail.com } 73d91075f76b836c2cfa4f4e4cc0fb31170df864ccerik.corry@gmail.com 74d91075f76b836c2cfa4f4e4cc0fb31170df864ccerik.corry@gmail.com MacroAssembler* masm_; 75d91075f76b836c2cfa4f4e4cc0fb31170df864ccerik.corry@gmail.com Label patch_site_; 76d91075f76b836c2cfa4f4e4cc0fb31170df864ccerik.corry@gmail.com#ifdef DEBUG 77d91075f76b836c2cfa4f4e4cc0fb31170df864ccerik.corry@gmail.com bool info_emitted_; 78d91075f76b836c2cfa4f4e4cc0fb31170df864ccerik.corry@gmail.com#endif 79d91075f76b836c2cfa4f4e4cc0fb31170df864ccerik.corry@gmail.com}; 80d91075f76b836c2cfa4f4e4cc0fb31170df864ccerik.corry@gmail.com 81d91075f76b836c2cfa4f4e4cc0fb31170df864ccerik.corry@gmail.com 82b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org// Generate code for a JS function. On entry to the function the receiver 83b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org// and arguments have been pushed on the stack left to right, with the 84b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org// return address on top of them. The actual argument count matches the 85b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org// formal parameter count expected by the function. 86b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org// 87b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org// The live registers are: 882efb900e7350b14be905abdeab077f3a64c583cfulan@chromium.org// o rdi: the JS function object being called (i.e. ourselves) 89b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org// o rsi: our context 90b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org// o rbp: our caller's frame pointer 91b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org// o rsp: stack pointer (pointing to return address) 92b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org// 93b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org// The function builds a JS frame. Please see JavaScriptFrameConstants in 94b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org// frames-x64.h for its layout. 9556454717593e7552d6846198b8e0f661fa36a3cayangguo@chromium.orgvoid FullCodeGenerator::Generate() { 9656454717593e7552d6846198b8e0f661fa36a3cayangguo@chromium.org CompilationInfo* info = info_; 9704e4f1e9e1291ac270e1cb7d8384b2af2fd2d685jkummerow@chromium.org handler_table_ = 9804e4f1e9e1291ac270e1cb7d8384b2af2fd2d685jkummerow@chromium.org isolate()->factory()->NewFixedArray(function()->handler_count(), TENURED); 99f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org 10041728483f231e098a8dd85f109b5a30e6ccc3c39danno@chromium.org profiling_counter_ = isolate()->factory()->NewCell( 101fb37721ea34922d8758d5cb26ae465aaf241e6b6yangguo@chromium.org Handle<Smi>(Smi::FromInt(FLAG_interrupt_budget), isolate())); 1025c838251403b0be9a882540f1922577abba4c872ager@chromium.org SetFunctionPosition(function()); 103ce5e87bd905d592a8bd612b3dedf7a994177c13aager@chromium.org Comment cmnt(masm_, "[ function compiled by full code generator"); 104b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 105753aee4dcf0868130789b5af7c1eeb6ab2ab24f9verwaest@chromium.org ProfileEntryHookStub::MaybeCallEntryHook(masm_); 106753aee4dcf0868130789b5af7c1eeb6ab2ab24f9verwaest@chromium.org 107a7d3df915ae6a29cd392dba32a26049d7b9b008fyangguo@chromium.org#ifdef DEBUG 108a7d3df915ae6a29cd392dba32a26049d7b9b008fyangguo@chromium.org if (strlen(FLAG_stop_at) > 0 && 10959297c735ad2a41156ae9c723a39ff259ad061e0jkummerow@chromium.org info->function()->name()->IsUtf8EqualTo(CStrVector(FLAG_stop_at))) { 110a7d3df915ae6a29cd392dba32a26049d7b9b008fyangguo@chromium.org __ int3(); 111a7d3df915ae6a29cd392dba32a26049d7b9b008fyangguo@chromium.org } 112a7d3df915ae6a29cd392dba32a26049d7b9b008fyangguo@chromium.org#endif 113a7d3df915ae6a29cd392dba32a26049d7b9b008fyangguo@chromium.org 114486536df718553960f9700559e80e5b10b0d5994dslomov@chromium.org // Sloppy mode functions and builtins need to replace the receiver with the 115e31286d471eb2e656a1809383fa16b76053dd673machenbach@chromium.org // global proxy when called as functions (without an explicit receiver 116e31286d471eb2e656a1809383fa16b76053dd673machenbach@chromium.org // object). 117486536df718553960f9700559e80e5b10b0d5994dslomov@chromium.org if (info->strict_mode() == SLOPPY && !info->is_native()) { 11840cb878ef373bea9bdf7998829891e4096751dd0danno@chromium.org Label ok; 119e31286d471eb2e656a1809383fa16b76053dd673machenbach@chromium.org // +1 for return address. 120d8a3a149cb9dac7437e264a2fe50f680418c3a45jkummerow@chromium.org StackArgumentsAccessor args(rsp, info->scope()->num_parameters()); 12143c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rcx, args.GetReceiverOperand()); 122e31286d471eb2e656a1809383fa16b76053dd673machenbach@chromium.org 123e31286d471eb2e656a1809383fa16b76053dd673machenbach@chromium.org __ CompareRoot(rcx, Heap::kUndefinedValueRootIndex); 124e31286d471eb2e656a1809383fa16b76053dd673machenbach@chromium.org __ j(not_equal, &ok, Label::kNear); 125e31286d471eb2e656a1809383fa16b76053dd673machenbach@chromium.org 12643c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rcx, GlobalObjectOperand()); 12758a725587734a6889c689668fd01f0157ed749a6machenbach@chromium.org __ movp(rcx, FieldOperand(rcx, GlobalObject::kGlobalProxyOffset)); 128e31286d471eb2e656a1809383fa16b76053dd673machenbach@chromium.org 12943c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(args.GetReceiverOperand(), rcx); 130e31286d471eb2e656a1809383fa16b76053dd673machenbach@chromium.org 13140cb878ef373bea9bdf7998829891e4096751dd0danno@chromium.org __ bind(&ok); 13240cb878ef373bea9bdf7998829891e4096751dd0danno@chromium.org } 13340cb878ef373bea9bdf7998829891e4096751dd0danno@chromium.org 134c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com // Open a frame scope to indicate that there is a frame on the stack. The 135c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com // MANUAL indicates that the scope shouldn't actually generate code to set up 136c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com // the frame (that is done below). 137c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com FrameScope frame_scope(masm_, StackFrame::MANUAL); 138c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com 13983130cfc204d3ffed6832a7ef149b19328a58b33svenpanne@chromium.org info->set_prologue_offset(masm_->pc_offset()); 140285f85a5a149f36516a20200a76899651dd95fb6machenbach@chromium.org __ Prologue(info->IsCodePreAgingActive()); 1414e308cf00936c6e7bead43e5141a04e37b49b9b5jkummerow@chromium.org info->AddNoFrameRange(0, masm_->pc_offset()); 142ea4f62e1df22417fc8dc2c2425485dca98b13d07ager@chromium.org 143ea4f62e1df22417fc8dc2c2425485dca98b13d07ager@chromium.org { Comment cmnt(masm_, "[ Allocate locals"); 1444f693d6b99ffdbc05e5e211e08ed5039e13279d2ricow@chromium.org int locals_count = info->scope()->num_stack_slots(); 145e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org // Generators allocate locals, if any, in context slots. 146e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(!info->function()->is_generator() || locals_count == 0); 147ea4f62e1df22417fc8dc2c2425485dca98b13d07ager@chromium.org if (locals_count == 1) { 148ea4f62e1df22417fc8dc2c2425485dca98b13d07ager@chromium.org __ PushRoot(Heap::kUndefinedValueRootIndex); 149ea4f62e1df22417fc8dc2c2425485dca98b13d07ager@chromium.org } else if (locals_count > 1) { 150a221880197f38ff22d942851060daffa5d036bdfmachenbach@chromium.org if (locals_count >= 128) { 1513ee7a7ed19002e4a0efbf6cdb2a201f21763a80adanno@chromium.org Label ok; 1523ee7a7ed19002e4a0efbf6cdb2a201f21763a80adanno@chromium.org __ movp(rcx, rsp); 1533ee7a7ed19002e4a0efbf6cdb2a201f21763a80adanno@chromium.org __ subp(rcx, Immediate(locals_count * kPointerSize)); 1543ee7a7ed19002e4a0efbf6cdb2a201f21763a80adanno@chromium.org __ CompareRoot(rcx, Heap::kRealStackLimitRootIndex); 1553ee7a7ed19002e4a0efbf6cdb2a201f21763a80adanno@chromium.org __ j(above_equal, &ok, Label::kNear); 1563ee7a7ed19002e4a0efbf6cdb2a201f21763a80adanno@chromium.org __ InvokeBuiltin(Builtins::STACK_OVERFLOW, CALL_FUNCTION); 1573ee7a7ed19002e4a0efbf6cdb2a201f21763a80adanno@chromium.org __ bind(&ok); 158a221880197f38ff22d942851060daffa5d036bdfmachenbach@chromium.org } 159ea4f62e1df22417fc8dc2c2425485dca98b13d07ager@chromium.org __ LoadRoot(rdx, Heap::kUndefinedValueRootIndex); 160a221880197f38ff22d942851060daffa5d036bdfmachenbach@chromium.org const int kMaxPushes = 32; 161a221880197f38ff22d942851060daffa5d036bdfmachenbach@chromium.org if (locals_count >= kMaxPushes) { 162a221880197f38ff22d942851060daffa5d036bdfmachenbach@chromium.org int loop_iterations = locals_count / kMaxPushes; 1632f599e5925b02d78bd78703b44741d6b27e53a44machenbach@chromium.org __ movp(rcx, Immediate(loop_iterations)); 164a221880197f38ff22d942851060daffa5d036bdfmachenbach@chromium.org Label loop_header; 165a221880197f38ff22d942851060daffa5d036bdfmachenbach@chromium.org __ bind(&loop_header); 166a221880197f38ff22d942851060daffa5d036bdfmachenbach@chromium.org // Do pushes. 167a221880197f38ff22d942851060daffa5d036bdfmachenbach@chromium.org for (int i = 0; i < kMaxPushes; i++) { 168a221880197f38ff22d942851060daffa5d036bdfmachenbach@chromium.org __ Push(rdx); 169a221880197f38ff22d942851060daffa5d036bdfmachenbach@chromium.org } 170a221880197f38ff22d942851060daffa5d036bdfmachenbach@chromium.org // Continue loop if not done. 1712f599e5925b02d78bd78703b44741d6b27e53a44machenbach@chromium.org __ decp(rcx); 172a221880197f38ff22d942851060daffa5d036bdfmachenbach@chromium.org __ j(not_zero, &loop_header, Label::kNear); 173a221880197f38ff22d942851060daffa5d036bdfmachenbach@chromium.org } 174a221880197f38ff22d942851060daffa5d036bdfmachenbach@chromium.org int remaining = locals_count % kMaxPushes; 175a221880197f38ff22d942851060daffa5d036bdfmachenbach@chromium.org // Emit the remaining pushes. 176a221880197f38ff22d942851060daffa5d036bdfmachenbach@chromium.org for (int i = 0; i < remaining; i++) { 177763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(rdx); 178b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org } 179b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org } 180ea4f62e1df22417fc8dc2c2425485dca98b13d07ager@chromium.org } 181b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 182ea4f62e1df22417fc8dc2c2425485dca98b13d07ager@chromium.org bool function_in_register = true; 183b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 184ea4f62e1df22417fc8dc2c2425485dca98b13d07ager@chromium.org // Possibly allocate a local context. 1854f693d6b99ffdbc05e5e211e08ed5039e13279d2ricow@chromium.org int heap_slots = info->scope()->num_heap_slots() - Context::MIN_CONTEXT_SLOTS; 186ea4f62e1df22417fc8dc2c2425485dca98b13d07ager@chromium.org if (heap_slots > 0) { 18746839fbbdee40a3d2d924e8b5b13c4139b0b24f2yangguo@chromium.org Comment cmnt(masm_, "[ Allocate context"); 1887e6132b924829c353864933f29124419916db550machenbach@chromium.org bool need_write_barrier = true; 189ea4f62e1df22417fc8dc2c2425485dca98b13d07ager@chromium.org // Argument to NewContext is the function, which is still in rdi. 19046839fbbdee40a3d2d924e8b5b13c4139b0b24f2yangguo@chromium.org if (FLAG_harmony_scoping && info->scope()->is_global_scope()) { 191763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(rdi); 19246839fbbdee40a3d2d924e8b5b13c4139b0b24f2yangguo@chromium.org __ Push(info->scope()->GetScopeInfo()); 19347390597afd6b17870f41dfb5dd8c057aea1f068machenbach@chromium.org __ CallRuntime(Runtime::kNewGlobalContext, 2); 19446839fbbdee40a3d2d924e8b5b13c4139b0b24f2yangguo@chromium.org } else if (heap_slots <= FastNewContextStub::kMaximumSlots) { 195f2f0489407bbb5e50d16ae791442df29513b53b5machenbach@chromium.org FastNewContextStub stub(isolate(), heap_slots); 196ea4f62e1df22417fc8dc2c2425485dca98b13d07ager@chromium.org __ CallStub(&stub); 1977e6132b924829c353864933f29124419916db550machenbach@chromium.org // Result of FastNewContextStub is always in new space. 1987e6132b924829c353864933f29124419916db550machenbach@chromium.org need_write_barrier = false; 199ea4f62e1df22417fc8dc2c2425485dca98b13d07ager@chromium.org } else { 200763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(rdi); 20147390597afd6b17870f41dfb5dd8c057aea1f068machenbach@chromium.org __ CallRuntime(Runtime::kNewFunctionContext, 1); 202ea4f62e1df22417fc8dc2c2425485dca98b13d07ager@chromium.org } 203ea4f62e1df22417fc8dc2c2425485dca98b13d07ager@chromium.org function_in_register = false; 204bbbda924f939464825b508976aabe7ed128605cbmachenbach@chromium.org // Context is returned in rax. It replaces the context passed to us. 205bbbda924f939464825b508976aabe7ed128605cbmachenbach@chromium.org // It's saved in the stack and kept live in rsi. 206bbbda924f939464825b508976aabe7ed128605cbmachenbach@chromium.org __ movp(rsi, rax); 207bbbda924f939464825b508976aabe7ed128605cbmachenbach@chromium.org __ movp(Operand(rbp, StandardFrameConstants::kContextOffset), rax); 208ea4f62e1df22417fc8dc2c2425485dca98b13d07ager@chromium.org 209ea4f62e1df22417fc8dc2c2425485dca98b13d07ager@chromium.org // Copy any necessary parameters into the context. 2104f693d6b99ffdbc05e5e211e08ed5039e13279d2ricow@chromium.org int num_parameters = info->scope()->num_parameters(); 211ea4f62e1df22417fc8dc2c2425485dca98b13d07ager@chromium.org for (int i = 0; i < num_parameters; i++) { 212486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org Variable* var = scope()->parameter(i); 213486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org if (var->IsContextSlot()) { 214ea4f62e1df22417fc8dc2c2425485dca98b13d07ager@chromium.org int parameter_offset = StandardFrameConstants::kCallerSPOffset + 215ea4f62e1df22417fc8dc2c2425485dca98b13d07ager@chromium.org (num_parameters - 1 - i) * kPointerSize; 216ea4f62e1df22417fc8dc2c2425485dca98b13d07ager@chromium.org // Load parameter from stack. 21743c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rax, Operand(rbp, parameter_offset)); 218ea4f62e1df22417fc8dc2c2425485dca98b13d07ager@chromium.org // Store it in the context. 219486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org int context_offset = Context::SlotOffset(var->index()); 22043c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(Operand(rsi, context_offset), rax); 221c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com // Update the write barrier. This clobbers rax and rbx. 2227e6132b924829c353864933f29124419916db550machenbach@chromium.org if (need_write_barrier) { 2237e6132b924829c353864933f29124419916db550machenbach@chromium.org __ RecordWriteContextSlot( 2247e6132b924829c353864933f29124419916db550machenbach@chromium.org rsi, context_offset, rax, rbx, kDontSaveFPRegs); 2257e6132b924829c353864933f29124419916db550machenbach@chromium.org } else if (FLAG_debug_code) { 2267e6132b924829c353864933f29124419916db550machenbach@chromium.org Label done; 2277e6132b924829c353864933f29124419916db550machenbach@chromium.org __ JumpIfInNewSpace(rsi, rax, &done, Label::kNear); 2287e6132b924829c353864933f29124419916db550machenbach@chromium.org __ Abort(kExpectedNewSpaceObject); 2297e6132b924829c353864933f29124419916db550machenbach@chromium.org __ bind(&done); 2307e6132b924829c353864933f29124419916db550machenbach@chromium.org } 231b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org } 232b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org } 233ea4f62e1df22417fc8dc2c2425485dca98b13d07ager@chromium.org } 234b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 235ea4f62e1df22417fc8dc2c2425485dca98b13d07ager@chromium.org // Possibly allocate an arguments object. 2364a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org Variable* arguments = scope()->arguments(); 237ea4f62e1df22417fc8dc2c2425485dca98b13d07ager@chromium.org if (arguments != NULL) { 238ea4f62e1df22417fc8dc2c2425485dca98b13d07ager@chromium.org // Arguments object must be allocated after the context object, in 239ea4f62e1df22417fc8dc2c2425485dca98b13d07ager@chromium.org // case the "arguments" or ".arguments" variables are in the context. 240ea4f62e1df22417fc8dc2c2425485dca98b13d07ager@chromium.org Comment cmnt(masm_, "[ Allocate arguments object"); 241ea4f62e1df22417fc8dc2c2425485dca98b13d07ager@chromium.org if (function_in_register) { 242763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(rdi); 243ea4f62e1df22417fc8dc2c2425485dca98b13d07ager@chromium.org } else { 244763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(Operand(rbp, JavaScriptFrameConstants::kFunctionOffset)); 245b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org } 246ea4f62e1df22417fc8dc2c2425485dca98b13d07ager@chromium.org // The receiver is just before the parameters on the caller's stack. 2474f693d6b99ffdbc05e5e211e08ed5039e13279d2ricow@chromium.org int num_parameters = info->scope()->num_parameters(); 2484f693d6b99ffdbc05e5e211e08ed5039e13279d2ricow@chromium.org int offset = num_parameters * kPointerSize; 249895f00d1d8c5a7a7209c36d690688e3552de3df4machenbach@chromium.org __ leap(rdx, 250ea4f62e1df22417fc8dc2c2425485dca98b13d07ager@chromium.org Operand(rbp, StandardFrameConstants::kCallerSPOffset + offset)); 251763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(rdx); 2524f693d6b99ffdbc05e5e211e08ed5039e13279d2ricow@chromium.org __ Push(Smi::FromInt(num_parameters)); 253ea4f62e1df22417fc8dc2c2425485dca98b13d07ager@chromium.org // Arguments to ArgumentsAccessStub: 254ea4f62e1df22417fc8dc2c2425485dca98b13d07ager@chromium.org // function, receiver address, parameter count. 255ea4f62e1df22417fc8dc2c2425485dca98b13d07ager@chromium.org // The stub will rewrite receiver and parameter count if the previous 256ea4f62e1df22417fc8dc2c2425485dca98b13d07ager@chromium.org // stack frame was an arguments adapter frame. 2572efb900e7350b14be905abdeab077f3a64c583cfulan@chromium.org ArgumentsAccessStub::Type type; 258486536df718553960f9700559e80e5b10b0d5994dslomov@chromium.org if (strict_mode() == STRICT) { 2592efb900e7350b14be905abdeab077f3a64c583cfulan@chromium.org type = ArgumentsAccessStub::NEW_STRICT; 2602efb900e7350b14be905abdeab077f3a64c583cfulan@chromium.org } else if (function()->has_duplicate_parameters()) { 261486536df718553960f9700559e80e5b10b0d5994dslomov@chromium.org type = ArgumentsAccessStub::NEW_SLOPPY_SLOW; 2622efb900e7350b14be905abdeab077f3a64c583cfulan@chromium.org } else { 263486536df718553960f9700559e80e5b10b0d5994dslomov@chromium.org type = ArgumentsAccessStub::NEW_SLOPPY_FAST; 2642efb900e7350b14be905abdeab077f3a64c583cfulan@chromium.org } 265f2f0489407bbb5e50d16ae791442df29513b53b5machenbach@chromium.org ArgumentsAccessStub stub(isolate(), type); 266ea4f62e1df22417fc8dc2c2425485dca98b13d07ager@chromium.org __ CallStub(&stub); 2674d3fe4e246b0312eba361689f288ddf8dd516960danno@chromium.org 268486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org SetVar(arguments, rax, rbx, rdx); 269b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org } 270b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 271a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org if (FLAG_trace) { 272a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org __ CallRuntime(Runtime::kTraceEnter, 0); 273a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org } 274a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org 2755d6c1f5b20195b800bc6db146920fd6f878d1fd4vegorov@chromium.org // Visit the declarations and body unless there is an illegal 2765d6c1f5b20195b800bc6db146920fd6f878d1fd4vegorov@chromium.org // redeclaration. 2775d6c1f5b20195b800bc6db146920fd6f878d1fd4vegorov@chromium.org if (scope()->HasIllegalRedeclaration()) { 2785d6c1f5b20195b800bc6db146920fd6f878d1fd4vegorov@chromium.org Comment cmnt(masm_, "[ Declarations"); 2795d6c1f5b20195b800bc6db146920fd6f878d1fd4vegorov@chromium.org scope()->VisitIllegalRedeclaration(this); 280486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org 2815d6c1f5b20195b800bc6db146920fd6f878d1fd4vegorov@chromium.org } else { 282471f2f1d24adb4bad1edc3bf0ee35092486de187mstarzinger@chromium.org PrepareForBailoutForId(BailoutId::FunctionEntry(), NO_REGISTERS); 2835d6c1f5b20195b800bc6db146920fd6f878d1fd4vegorov@chromium.org { Comment cmnt(masm_, "[ Declarations"); 2845d6c1f5b20195b800bc6db146920fd6f878d1fd4vegorov@chromium.org // For named function expressions, declare the function name as a 2855d6c1f5b20195b800bc6db146920fd6f878d1fd4vegorov@chromium.org // constant. 2865d6c1f5b20195b800bc6db146920fd6f878d1fd4vegorov@chromium.org if (scope()->is_function_scope() && scope()->function() != NULL) { 287ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com VariableDeclaration* function = scope()->function(); 288e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(function->proxy()->var()->mode() == CONST || 289486536df718553960f9700559e80e5b10b0d5994dslomov@chromium.org function->proxy()->var()->mode() == CONST_LEGACY); 290e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(function->proxy()->var()->location() != Variable::UNALLOCATED); 291ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com VisitVariableDeclaration(function); 2925d6c1f5b20195b800bc6db146920fd6f878d1fd4vegorov@chromium.org } 2935d6c1f5b20195b800bc6db146920fd6f878d1fd4vegorov@chromium.org VisitDeclarations(scope()->declarations()); 2945d6c1f5b20195b800bc6db146920fd6f878d1fd4vegorov@chromium.org } 295b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 2965d6c1f5b20195b800bc6db146920fd6f878d1fd4vegorov@chromium.org { Comment cmnt(masm_, "[ Stack check"); 297471f2f1d24adb4bad1edc3bf0ee35092486de187mstarzinger@chromium.org PrepareForBailoutForId(BailoutId::Declarations(), NO_REGISTERS); 2983ee7a7ed19002e4a0efbf6cdb2a201f21763a80adanno@chromium.org Label ok; 2993ee7a7ed19002e4a0efbf6cdb2a201f21763a80adanno@chromium.org __ CompareRoot(rsp, Heap::kStackLimitRootIndex); 3003ee7a7ed19002e4a0efbf6cdb2a201f21763a80adanno@chromium.org __ j(above_equal, &ok, Label::kNear); 3013ee7a7ed19002e4a0efbf6cdb2a201f21763a80adanno@chromium.org __ call(isolate()->builtins()->StackCheck(), RelocInfo::CODE_TARGET); 3023ee7a7ed19002e4a0efbf6cdb2a201f21763a80adanno@chromium.org __ bind(&ok); 3035d6c1f5b20195b800bc6db146920fd6f878d1fd4vegorov@chromium.org } 3045d6c1f5b20195b800bc6db146920fd6f878d1fd4vegorov@chromium.org 3055d6c1f5b20195b800bc6db146920fd6f878d1fd4vegorov@chromium.org { Comment cmnt(masm_, "[ Body"); 306e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(loop_depth() == 0); 3075d6c1f5b20195b800bc6db146920fd6f878d1fd4vegorov@chromium.org VisitStatements(function()->body()); 308e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(loop_depth() == 0); 3095d6c1f5b20195b800bc6db146920fd6f878d1fd4vegorov@chromium.org } 310b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org } 311b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 3125d6c1f5b20195b800bc6db146920fd6f878d1fd4vegorov@chromium.org // Always emit a 'return undefined' in case control fell off the end of 3135d6c1f5b20195b800bc6db146920fd6f878d1fd4vegorov@chromium.org // the body. 314b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org { Comment cmnt(masm_, "[ return <undefined>;"); 315b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org __ LoadRoot(rax, Heap::kUndefinedValueRootIndex); 3162cc82ae439960d1adaf4374e093730dc23945d59ager@chromium.org EmitReturnSequence(); 317b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org } 318b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org} 319b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 320b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 3215f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.orgvoid FullCodeGenerator::ClearAccumulator() { 3225d00b60c201d860c74821f553fdc34f4e057b411lrn@chromium.org __ Set(rax, 0); 3235f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.org} 3245f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.org 3255f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.org 3261456e708d277e725ca42a03463af16fe471c9210jkummerow@chromium.orgvoid FullCodeGenerator::EmitProfilingCounterDecrement(int delta) { 3279cbaabda8b4daeb06759ace10c926ab55bb69d7bulan@chromium.org __ Move(rbx, profiling_counter_, RelocInfo::EMBEDDED_OBJECT); 32841728483f231e098a8dd85f109b5a30e6ccc3c39danno@chromium.org __ SmiAddConstant(FieldOperand(rbx, Cell::kValueOffset), 3291456e708d277e725ca42a03463af16fe471c9210jkummerow@chromium.org Smi::FromInt(-delta)); 3301456e708d277e725ca42a03463af16fe471c9210jkummerow@chromium.org} 3311456e708d277e725ca42a03463af16fe471c9210jkummerow@chromium.org 3321456e708d277e725ca42a03463af16fe471c9210jkummerow@chromium.org 3331456e708d277e725ca42a03463af16fe471c9210jkummerow@chromium.orgvoid FullCodeGenerator::EmitProfilingCounterReset() { 3341456e708d277e725ca42a03463af16fe471c9210jkummerow@chromium.org int reset_value = FLAG_interrupt_budget; 3359cbaabda8b4daeb06759ace10c926ab55bb69d7bulan@chromium.org __ Move(rbx, profiling_counter_, RelocInfo::EMBEDDED_OBJECT); 336e8412be858dc48afaec4959e42c5932f71a7f29bmachenbach@chromium.org __ Move(kScratchRegister, Smi::FromInt(reset_value)); 33743c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(FieldOperand(rbx, Cell::kValueOffset), kScratchRegister); 3381456e708d277e725ca42a03463af16fe471c9210jkummerow@chromium.org} 3391456e708d277e725ca42a03463af16fe471c9210jkummerow@chromium.org 3401456e708d277e725ca42a03463af16fe471c9210jkummerow@chromium.org 341731474e847a8ccd6e27f74842506c9c807dae658jarin@chromium.orgstatic const byte kJnsOffset = kPointerSize == kInt64Size ? 0x1d : 0x14; 342731474e847a8ccd6e27f74842506c9c807dae658jarin@chromium.org 343731474e847a8ccd6e27f74842506c9c807dae658jarin@chromium.org 344cddc71f18a46e6117cc765b1c53ca122e7aaa318rossberg@chromium.orgvoid FullCodeGenerator::EmitBackEdgeBookkeeping(IterationStatement* stmt, 345cddc71f18a46e6117cc765b1c53ca122e7aaa318rossberg@chromium.org Label* back_edge_target) { 346cddc71f18a46e6117cc765b1c53ca122e7aaa318rossberg@chromium.org Comment cmnt(masm_, "[ Back edge bookkeeping"); 34783a4728861129dc263ded92157f3e6389f851f19karlklose@chromium.org Label ok; 3481456e708d277e725ca42a03463af16fe471c9210jkummerow@chromium.org 349e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(back_edge_target->is_bound()); 350afbdadc5f06365a7889e7c1c1fdb7dbf596cce68machenbach@chromium.org int distance = masm_->SizeOfCodeGeneratedSince(back_edge_target); 351afbdadc5f06365a7889e7c1c1fdb7dbf596cce68machenbach@chromium.org int weight = Min(kMaxBackEdgeWeight, 352afbdadc5f06365a7889e7c1c1fdb7dbf596cce68machenbach@chromium.org Max(1, distance / kCodeSizeMultiplier)); 353cddc71f18a46e6117cc765b1c53ca122e7aaa318rossberg@chromium.org EmitProfilingCounterDecrement(weight); 3541456e708d277e725ca42a03463af16fe471c9210jkummerow@chromium.org 355731474e847a8ccd6e27f74842506c9c807dae658jarin@chromium.org __ j(positive, &ok, Label::kNear); 356731474e847a8ccd6e27f74842506c9c807dae658jarin@chromium.org { 357731474e847a8ccd6e27f74842506c9c807dae658jarin@chromium.org PredictableCodeSizeScope predictible_code_size_scope(masm_, kJnsOffset); 358731474e847a8ccd6e27f74842506c9c807dae658jarin@chromium.org DontEmitDebugCodeScope dont_emit_debug_code_scope(masm_); 359731474e847a8ccd6e27f74842506c9c807dae658jarin@chromium.org __ call(isolate()->builtins()->InterruptCheck(), RelocInfo::CODE_TARGET); 360d2c22f0121ebc55ee26a9e742f0fd7c0b8397730kmillikin@chromium.org 361731474e847a8ccd6e27f74842506c9c807dae658jarin@chromium.org // Record a mapping of this PC offset to the OSR id. This is used to find 362731474e847a8ccd6e27f74842506c9c807dae658jarin@chromium.org // the AST id from the unoptimized code in order to use it as a key into 363731474e847a8ccd6e27f74842506c9c807dae658jarin@chromium.org // the deoptimization input data found in the optimized code. 364731474e847a8ccd6e27f74842506c9c807dae658jarin@chromium.org RecordBackEdge(stmt->OsrEntryId()); 3651456e708d277e725ca42a03463af16fe471c9210jkummerow@chromium.org 366731474e847a8ccd6e27f74842506c9c807dae658jarin@chromium.org EmitProfilingCounterReset(); 367731474e847a8ccd6e27f74842506c9c807dae658jarin@chromium.org } 368a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org __ bind(&ok); 369731474e847a8ccd6e27f74842506c9c807dae658jarin@chromium.org 370a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org PrepareForBailoutForId(stmt->EntryId(), NO_REGISTERS); 371d2c22f0121ebc55ee26a9e742f0fd7c0b8397730kmillikin@chromium.org // Record a mapping of the OSR id to this PC. This is used if the OSR 372d2c22f0121ebc55ee26a9e742f0fd7c0b8397730kmillikin@chromium.org // entry becomes the target of a bailout. We don't expect it to be, but 373d2c22f0121ebc55ee26a9e742f0fd7c0b8397730kmillikin@chromium.org // we want it to work if it is. 374a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org PrepareForBailoutForId(stmt->OsrEntryId(), NO_REGISTERS); 375a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org} 376a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org 377a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org 3782cc82ae439960d1adaf4374e093730dc23945d59ager@chromium.orgvoid FullCodeGenerator::EmitReturnSequence() { 379b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org Comment cmnt(masm_, "[ Return sequence"); 380b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org if (return_label_.is_bound()) { 381b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org __ jmp(&return_label_); 382b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org } else { 383b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org __ bind(&return_label_); 384b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org if (FLAG_trace) { 385763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(rax); 386b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org __ CallRuntime(Runtime::kTraceExit, 1); 387b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org } 388afbdadc5f06365a7889e7c1c1fdb7dbf596cce68machenbach@chromium.org // Pretend that the exit is a backwards jump to the entry. 389afbdadc5f06365a7889e7c1c1fdb7dbf596cce68machenbach@chromium.org int weight = 1; 390afbdadc5f06365a7889e7c1c1fdb7dbf596cce68machenbach@chromium.org if (info_->ShouldSelfOptimize()) { 391afbdadc5f06365a7889e7c1c1fdb7dbf596cce68machenbach@chromium.org weight = FLAG_interrupt_budget / FLAG_self_opt_count; 392afbdadc5f06365a7889e7c1c1fdb7dbf596cce68machenbach@chromium.org } else { 393afbdadc5f06365a7889e7c1c1fdb7dbf596cce68machenbach@chromium.org int distance = masm_->pc_offset(); 394afbdadc5f06365a7889e7c1c1fdb7dbf596cce68machenbach@chromium.org weight = Min(kMaxBackEdgeWeight, 395afbdadc5f06365a7889e7c1c1fdb7dbf596cce68machenbach@chromium.org Max(1, distance / kCodeSizeMultiplier)); 3961456e708d277e725ca42a03463af16fe471c9210jkummerow@chromium.org } 397afbdadc5f06365a7889e7c1c1fdb7dbf596cce68machenbach@chromium.org EmitProfilingCounterDecrement(weight); 398afbdadc5f06365a7889e7c1c1fdb7dbf596cce68machenbach@chromium.org Label ok; 399afbdadc5f06365a7889e7c1c1fdb7dbf596cce68machenbach@chromium.org __ j(positive, &ok, Label::kNear); 400763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(rax); 401afbdadc5f06365a7889e7c1c1fdb7dbf596cce68machenbach@chromium.org __ call(isolate()->builtins()->InterruptCheck(), 402afbdadc5f06365a7889e7c1c1fdb7dbf596cce68machenbach@chromium.org RelocInfo::CODE_TARGET); 403763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Pop(rax); 404afbdadc5f06365a7889e7c1c1fdb7dbf596cce68machenbach@chromium.org EmitProfilingCounterReset(); 405afbdadc5f06365a7889e7c1c1fdb7dbf596cce68machenbach@chromium.org __ bind(&ok); 406b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org#ifdef DEBUG 407b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org // Add a label for checking the size of the code used for returning. 408b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org Label check_exit_codesize; 409b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org masm_->bind(&check_exit_codesize); 410b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org#endif 411e90029b96bc4097e0f14d33cc086030d7ad5007awhesse@chromium.org CodeGenerator::RecordPositions(masm_, function()->end_position() - 1); 412b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org __ RecordJSReturn(); 413b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org // Do not use the leave instruction here because it is too short to 414b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org // patch with the code required by the debugger. 41543c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rsp, rbp); 416763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ popq(rbp); 4174e308cf00936c6e7bead43e5141a04e37b49b9b5jkummerow@chromium.org int no_frame_start = masm_->pc_offset(); 418d91075f76b836c2cfa4f4e4cc0fb31170df864ccerik.corry@gmail.com 4194f693d6b99ffdbc05e5e211e08ed5039e13279d2ricow@chromium.org int arguments_bytes = (info_->scope()->num_parameters() + 1) * kPointerSize; 420d91075f76b836c2cfa4f4e4cc0fb31170df864ccerik.corry@gmail.com __ Ret(arguments_bytes, rcx); 421d91075f76b836c2cfa4f4e4cc0fb31170df864ccerik.corry@gmail.com 422b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org // Add padding that will be overwritten by a debugger breakpoint. We 4234edebd5691ee147fa134ad8aaf6cc3c939831b93machenbach@chromium.org // have just generated at least 7 bytes: "movp rsp, rbp; pop rbp; ret k" 4244edebd5691ee147fa134ad8aaf6cc3c939831b93machenbach@chromium.org // (3 + 1 + 3) for x64 and at least 6 (2 + 1 + 3) bytes for x32. 4254edebd5691ee147fa134ad8aaf6cc3c939831b93machenbach@chromium.org const int kPadding = Assembler::kJSReturnSequenceLength - 4264edebd5691ee147fa134ad8aaf6cc3c939831b93machenbach@chromium.org kPointerSize == kInt64Size ? 7 : 6; 427b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org for (int i = 0; i < kPadding; ++i) { 428b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org masm_->int3(); 429b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org } 430d91075f76b836c2cfa4f4e4cc0fb31170df864ccerik.corry@gmail.com // Check that the size of the code used for returning is large enough 431d91075f76b836c2cfa4f4e4cc0fb31170df864ccerik.corry@gmail.com // for the debugger's requirements. 432e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(Assembler::kJSReturnSequenceLength <= 433d91075f76b836c2cfa4f4e4cc0fb31170df864ccerik.corry@gmail.com masm_->SizeOfCodeGeneratedSince(&check_exit_codesize)); 434865f51ff8c94f86f4c97636d70addc0f29e79674machenbach@chromium.org 4354e308cf00936c6e7bead43e5141a04e37b49b9b5jkummerow@chromium.org info_->AddNoFrameRange(no_frame_start, masm_->pc_offset()); 436b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org } 437b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org} 438b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 439b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 440486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.orgvoid FullCodeGenerator::EffectContext::Plug(Variable* var) const { 441e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(var->IsStackAllocated() || var->IsContextSlot()); 4424a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org} 443b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 444b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 445486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.orgvoid FullCodeGenerator::AccumulatorValueContext::Plug(Variable* var) const { 446e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(var->IsStackAllocated() || var->IsContextSlot()); 447486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org codegen()->GetVar(result_register(), var); 4484a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org} 449b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 4504a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org 451486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.orgvoid FullCodeGenerator::StackValueContext::Plug(Variable* var) const { 452e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(var->IsStackAllocated() || var->IsContextSlot()); 453486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org MemOperand operand = codegen()->VarOperand(var, result_register()); 454763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(operand); 455b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org} 456b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 457b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 458486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.orgvoid FullCodeGenerator::TestContext::Plug(Variable* var) const { 459486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org codegen()->GetVar(result_register(), var); 460c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org codegen()->PrepareForBailoutBeforeSplit(condition(), false, NULL, NULL); 4616d786c9805481bd13ecb29c3155540f2f32950e1svenpanne@chromium.org codegen()->DoTest(this); 4624a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org} 463b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 4644a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org 4654a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.orgvoid FullCodeGenerator::EffectContext::Plug(Heap::RootListIndex index) const { 466b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org} 467b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 468b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 4694a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.orgvoid FullCodeGenerator::AccumulatorValueContext::Plug( 4704a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org Heap::RootListIndex index) const { 4714a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org __ LoadRoot(result_register(), index); 4724a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org} 473b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 4744a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org 4754a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.orgvoid FullCodeGenerator::StackValueContext::Plug( 4764a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org Heap::RootListIndex index) const { 4774a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org __ PushRoot(index); 4784a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org} 4794a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org 4804a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org 4814a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.orgvoid FullCodeGenerator::TestContext::Plug(Heap::RootListIndex index) const { 482c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org codegen()->PrepareForBailoutBeforeSplit(condition(), 483a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org true, 484a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org true_label_, 485a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org false_label_); 4864a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org if (index == Heap::kUndefinedValueRootIndex || 4874a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org index == Heap::kNullValueRootIndex || 4884a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org index == Heap::kFalseValueRootIndex) { 489a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org if (false_label_ != fall_through_) __ jmp(false_label_); 4904a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org } else if (index == Heap::kTrueValueRootIndex) { 491a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org if (true_label_ != fall_through_) __ jmp(true_label_); 4924a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org } else { 4934a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org __ LoadRoot(result_register(), index); 4946d786c9805481bd13ecb29c3155540f2f32950e1svenpanne@chromium.org codegen()->DoTest(this); 495b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org } 496b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org} 497b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 498b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 4994a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.orgvoid FullCodeGenerator::EffectContext::Plug(Handle<Object> lit) const { 5004a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org} 501b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 502b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 5034a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.orgvoid FullCodeGenerator::AccumulatorValueContext::Plug( 5044a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org Handle<Object> lit) const { 5057a6fc815d62905d0c52705b96225b1bd23e00a43jkummerow@chromium.org if (lit->IsSmi()) { 5067a6fc815d62905d0c52705b96225b1bd23e00a43jkummerow@chromium.org __ SafeMove(result_register(), Smi::cast(*lit)); 5077a6fc815d62905d0c52705b96225b1bd23e00a43jkummerow@chromium.org } else { 5087a6fc815d62905d0c52705b96225b1bd23e00a43jkummerow@chromium.org __ Move(result_register(), lit); 5097a6fc815d62905d0c52705b96225b1bd23e00a43jkummerow@chromium.org } 5104a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org} 511b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 5124a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org 5134a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.orgvoid FullCodeGenerator::StackValueContext::Plug(Handle<Object> lit) const { 5147a6fc815d62905d0c52705b96225b1bd23e00a43jkummerow@chromium.org if (lit->IsSmi()) { 5157a6fc815d62905d0c52705b96225b1bd23e00a43jkummerow@chromium.org __ SafePush(Smi::cast(*lit)); 5167a6fc815d62905d0c52705b96225b1bd23e00a43jkummerow@chromium.org } else { 5177a6fc815d62905d0c52705b96225b1bd23e00a43jkummerow@chromium.org __ Push(lit); 5187a6fc815d62905d0c52705b96225b1bd23e00a43jkummerow@chromium.org } 5194a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org} 5204a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org 5214a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org 5224a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.orgvoid FullCodeGenerator::TestContext::Plug(Handle<Object> lit) const { 523c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org codegen()->PrepareForBailoutBeforeSplit(condition(), 524a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org true, 525a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org true_label_, 526a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org false_label_); 527e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(!lit->IsUndetectableObject()); // There are no undetectable literals. 5284a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org if (lit->IsUndefined() || lit->IsNull() || lit->IsFalse()) { 529a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org if (false_label_ != fall_through_) __ jmp(false_label_); 5304a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org } else if (lit->IsTrue() || lit->IsJSObject()) { 531a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org if (true_label_ != fall_through_) __ jmp(true_label_); 5324a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org } else if (lit->IsString()) { 5334a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org if (String::cast(*lit)->length() == 0) { 534a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org if (false_label_ != fall_through_) __ jmp(false_label_); 5354a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org } else { 536a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org if (true_label_ != fall_through_) __ jmp(true_label_); 5374a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org } 5384a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org } else if (lit->IsSmi()) { 5394a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org if (Smi::cast(*lit)->value() == 0) { 540a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org if (false_label_ != fall_through_) __ jmp(false_label_); 5414a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org } else { 542a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org if (true_label_ != fall_through_) __ jmp(true_label_); 5434a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org } 5444a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org } else { 5454a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org // For simplicity we always test the accumulator register. 5464a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org __ Move(result_register(), lit); 5476d786c9805481bd13ecb29c3155540f2f32950e1svenpanne@chromium.org codegen()->DoTest(this); 548b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org } 549b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org} 550b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 551b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 5524a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.orgvoid FullCodeGenerator::EffectContext::DropAndPlug(int count, 5534a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org Register reg) const { 554e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(count > 0); 5554a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org __ Drop(count); 5564a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org} 557b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 558b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 5594a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.orgvoid FullCodeGenerator::AccumulatorValueContext::DropAndPlug( 5604a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org int count, 5614a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org Register reg) const { 562e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(count > 0); 5634a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org __ Drop(count); 5644a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org __ Move(result_register(), reg); 5654a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org} 566b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 5674a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org 5684a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.orgvoid FullCodeGenerator::StackValueContext::DropAndPlug(int count, 5694a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org Register reg) const { 570e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(count > 0); 5714a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org if (count > 1) __ Drop(count - 1); 57243c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(Operand(rsp, 0), reg); 5739dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com} 5749dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 5759dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 5764a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.orgvoid FullCodeGenerator::TestContext::DropAndPlug(int count, 5774a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org Register reg) const { 578e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(count > 0); 5794a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org // For simplicity we always test the accumulator register. 5804a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org __ Drop(count); 5814a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org __ Move(result_register(), reg); 582c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org codegen()->PrepareForBailoutBeforeSplit(condition(), false, NULL, NULL); 5836d786c9805481bd13ecb29c3155540f2f32950e1svenpanne@chromium.org codegen()->DoTest(this); 5844a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org} 585b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 586b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 5874a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.orgvoid FullCodeGenerator::EffectContext::Plug(Label* materialize_true, 5884a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org Label* materialize_false) const { 589e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(materialize_true == materialize_false); 5904a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org __ bind(materialize_true); 5914a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org} 592b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 5934a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org 5944a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.orgvoid FullCodeGenerator::AccumulatorValueContext::Plug( 5954a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org Label* materialize_true, 5964a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org Label* materialize_false) const { 59783a4728861129dc263ded92157f3e6389f851f19karlklose@chromium.org Label done; 5984a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org __ bind(materialize_true); 599ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org __ Move(result_register(), isolate()->factory()->true_value()); 60083a4728861129dc263ded92157f3e6389f851f19karlklose@chromium.org __ jmp(&done, Label::kNear); 6014a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org __ bind(materialize_false); 602ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org __ Move(result_register(), isolate()->factory()->false_value()); 6034a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org __ bind(&done); 604b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org} 605b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 606b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 6074a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.orgvoid FullCodeGenerator::StackValueContext::Plug( 6084a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org Label* materialize_true, 6094a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org Label* materialize_false) const { 61083a4728861129dc263ded92157f3e6389f851f19karlklose@chromium.org Label done; 6114a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org __ bind(materialize_true); 612ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org __ Push(isolate()->factory()->true_value()); 61383a4728861129dc263ded92157f3e6389f851f19karlklose@chromium.org __ jmp(&done, Label::kNear); 6144a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org __ bind(materialize_false); 615ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org __ Push(isolate()->factory()->false_value()); 6164a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org __ bind(&done); 6174a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org} 6184a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org 6194a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org 6204a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.orgvoid FullCodeGenerator::TestContext::Plug(Label* materialize_true, 6214a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org Label* materialize_false) const { 622e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(materialize_true == true_label_); 623e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(materialize_false == false_label_); 6244a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org} 6254a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org 6264a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org 6274a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.orgvoid FullCodeGenerator::EffectContext::Plug(bool flag) const { 6284a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org} 6294a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org 6304a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org 6314a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.orgvoid FullCodeGenerator::AccumulatorValueContext::Plug(bool flag) const { 6324a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org Heap::RootListIndex value_root_index = 6334a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org flag ? Heap::kTrueValueRootIndex : Heap::kFalseValueRootIndex; 6344a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org __ LoadRoot(result_register(), value_root_index); 6354a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org} 6364a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org 6374a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org 6384a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.orgvoid FullCodeGenerator::StackValueContext::Plug(bool flag) const { 6394a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org Heap::RootListIndex value_root_index = 6404a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org flag ? Heap::kTrueValueRootIndex : Heap::kFalseValueRootIndex; 6414a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org __ PushRoot(value_root_index); 6424a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org} 6434a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org 6444a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org 6454a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.orgvoid FullCodeGenerator::TestContext::Plug(bool flag) const { 646c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org codegen()->PrepareForBailoutBeforeSplit(condition(), 647d2c22f0121ebc55ee26a9e742f0fd7c0b8397730kmillikin@chromium.org true, 648d2c22f0121ebc55ee26a9e742f0fd7c0b8397730kmillikin@chromium.org true_label_, 649d2c22f0121ebc55ee26a9e742f0fd7c0b8397730kmillikin@chromium.org false_label_); 6504a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org if (flag) { 6514a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org if (true_label_ != fall_through_) __ jmp(true_label_); 6524a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org } else { 6534a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org if (false_label_ != fall_through_) __ jmp(false_label_); 6549dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com } 6559dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com} 6569dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 6579dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 6586d786c9805481bd13ecb29c3155540f2f32950e1svenpanne@chromium.orgvoid FullCodeGenerator::DoTest(Expression* condition, 6596d786c9805481bd13ecb29c3155540f2f32950e1svenpanne@chromium.org Label* if_true, 66065fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org Label* if_false, 66165fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org Label* fall_through) { 662b99c75496e05b4cd58815ada1e39e6029130d11crossberg@chromium.org Handle<Code> ic = ToBooleanStub::GetUninitialized(isolate()); 663f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org CallIC(ic, condition->test_id()); 6647a1bfbe9bc8295770315c55f7ce40822b7951aabmachenbach@chromium.org __ testp(result_register(), result_register()); 66565fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org // The stub returns nonzero for true. 66665fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org Split(not_zero, if_true, if_false, fall_through); 66765fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org} 668b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 669b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 67065fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.orgvoid FullCodeGenerator::Split(Condition cc, 67165fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org Label* if_true, 67265fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org Label* if_false, 67365fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org Label* fall_through) { 67465fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org if (if_false == fall_through) { 67565fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org __ j(cc, if_true); 67665fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org } else if (if_true == fall_through) { 67765fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org __ j(NegateCondition(cc), if_false); 67865fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org } else { 67965fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org __ j(cc, if_true); 68065fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org __ jmp(if_false); 681b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org } 682b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org} 683b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 684b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 685486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.orgMemOperand FullCodeGenerator::StackOperand(Variable* var) { 686e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(var->IsStackAllocated()); 687486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org // Offset is negative because higher indexes are at lower addresses. 688486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org int offset = -var->index() * kPointerSize; 689486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org // Adjust by a (parameter or local) base offset. 690486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org if (var->IsParameter()) { 691d8a3a149cb9dac7437e264a2fe50f680418c3a45jkummerow@chromium.org offset += kFPOnStackSize + kPCOnStackSize + 692d8a3a149cb9dac7437e264a2fe50f680418c3a45jkummerow@chromium.org (info_->scope()->num_parameters() - 1) * kPointerSize; 693486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org } else { 694486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org offset += JavaScriptFrameConstants::kLocal0Offset; 695486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org } 696486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org return Operand(rbp, offset); 697486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org} 698486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org 699486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org 700486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.orgMemOperand FullCodeGenerator::VarOperand(Variable* var, Register scratch) { 701e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(var->IsContextSlot() || var->IsStackAllocated()); 702486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org if (var->IsContextSlot()) { 703486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org int context_chain_length = scope()->ContextChainLength(var->scope()); 704486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org __ LoadContext(scratch, context_chain_length); 705486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org return ContextOperand(scratch, var->index()); 706486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org } else { 707486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org return StackOperand(var); 708b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org } 709b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org} 710b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 711b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 712486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.orgvoid FullCodeGenerator::GetVar(Register dest, Variable* var) { 713e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(var->IsContextSlot() || var->IsStackAllocated()); 714486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org MemOperand location = VarOperand(var, dest); 71543c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(dest, location); 716b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org} 717b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 718b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 719486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.orgvoid FullCodeGenerator::SetVar(Variable* var, 720486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org Register src, 721486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org Register scratch0, 722486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org Register scratch1) { 723e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(var->IsContextSlot() || var->IsStackAllocated()); 724e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(!scratch0.is(src)); 725e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(!scratch0.is(scratch1)); 726e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(!scratch1.is(src)); 727486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org MemOperand location = VarOperand(var, scratch0); 72843c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(location, src); 729c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com 730b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org // Emit the write barrier code if the location is in the heap. 731486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org if (var->IsContextSlot()) { 732486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org int offset = Context::SlotOffset(var->index()); 733c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com __ RecordWriteContextSlot(scratch0, offset, src, scratch1, kDontSaveFPRegs); 734b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org } 735b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org} 736b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 737b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 738c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.orgvoid FullCodeGenerator::PrepareForBailoutBeforeSplit(Expression* expr, 739a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org bool should_normalize, 740a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org Label* if_true, 741a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org Label* if_false) { 742d2c22f0121ebc55ee26a9e742f0fd7c0b8397730kmillikin@chromium.org // Only prepare for bailouts before splits if we're in a test 743d2c22f0121ebc55ee26a9e742f0fd7c0b8397730kmillikin@chromium.org // context. Otherwise, we let the Visit function deal with the 744d2c22f0121ebc55ee26a9e742f0fd7c0b8397730kmillikin@chromium.org // preparation to avoid preparing with the same AST id twice. 745d2c22f0121ebc55ee26a9e742f0fd7c0b8397730kmillikin@chromium.org if (!context()->IsTest() || !info_->IsOptimizable()) return; 746d2c22f0121ebc55ee26a9e742f0fd7c0b8397730kmillikin@chromium.org 74783a4728861129dc263ded92157f3e6389f851f19karlklose@chromium.org Label skip; 74883a4728861129dc263ded92157f3e6389f851f19karlklose@chromium.org if (should_normalize) __ jmp(&skip, Label::kNear); 749c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org PrepareForBailout(expr, TOS_REG); 750d2c22f0121ebc55ee26a9e742f0fd7c0b8397730kmillikin@chromium.org if (should_normalize) { 751d2c22f0121ebc55ee26a9e742f0fd7c0b8397730kmillikin@chromium.org __ CompareRoot(rax, Heap::kTrueValueRootIndex); 752d2c22f0121ebc55ee26a9e742f0fd7c0b8397730kmillikin@chromium.org Split(equal, if_true, if_false, NULL); 753d2c22f0121ebc55ee26a9e742f0fd7c0b8397730kmillikin@chromium.org __ bind(&skip); 754d2c22f0121ebc55ee26a9e742f0fd7c0b8397730kmillikin@chromium.org } 755a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org} 756a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org 757a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org 758ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.comvoid FullCodeGenerator::EmitDebugCheckDeclarationContext(Variable* variable) { 7598e8d8825f97138de12985f8e0d3163074dff5258ulan@chromium.org // The variable in the declaration always resides in the current context. 760e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK_EQ(0, scope()->ContextChainLength(variable->scope())); 761000f7fbc1dfa59e414332fd2898b5da4d44eedd6jkummerow@chromium.org if (generate_debug_code_) { 762ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com // Check that we're not inside a with or catch context. 76343c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rbx, FieldOperand(rsi, HeapObject::kMapOffset)); 764ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com __ CompareRoot(rbx, Heap::kWithContextMapRootIndex); 765594006017e46d82ed7146611dc12c20e3c509c7ddanno@chromium.org __ Check(not_equal, kDeclarationInWithContext); 766ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com __ CompareRoot(rbx, Heap::kCatchContextMapRootIndex); 767594006017e46d82ed7146611dc12c20e3c509c7ddanno@chromium.org __ Check(not_equal, kDeclarationInCatchContext); 768ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com } 769ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com} 770ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com 771ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com 772ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.comvoid FullCodeGenerator::VisitVariableDeclaration( 773ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com VariableDeclaration* declaration) { 774486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org // If it was not possible to allocate the variable at compile time, we 775486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org // need to "declare" it at runtime to make sure it actually exists in the 776486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org // local context. 777ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com VariableProxy* proxy = declaration->proxy(); 778ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com VariableMode mode = declaration->mode(); 7791805e21b0aece8c05f4960a5c0751c4463557891fschneider@chromium.org Variable* variable = proxy->var(); 780486536df718553960f9700559e80e5b10b0d5994dslomov@chromium.org bool hole_init = mode == LET || mode == CONST || mode == CONST_LEGACY; 781486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org switch (variable->location()) { 782486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org case Variable::UNALLOCATED: 7837028c05c1c71b9d5c5fe1bca01f2461d17a2dda7mmassi@chromium.org globals_->Add(variable->name(), zone()); 784ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com globals_->Add(variable->binding_needs_init() 785ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com ? isolate()->factory()->the_hole_value() 7867028c05c1c71b9d5c5fe1bca01f2461d17a2dda7mmassi@chromium.org : isolate()->factory()->undefined_value(), 7877028c05c1c71b9d5c5fe1bca01f2461d17a2dda7mmassi@chromium.org zone()); 788486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org break; 789486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org 790486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org case Variable::PARAMETER: 791486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org case Variable::LOCAL: 792ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com if (hole_init) { 793ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com Comment cmnt(masm_, "[ VariableDeclaration"); 79480c42ed5ace766a3a02b30a53a25e5e81e234723yangguo@chromium.org __ LoadRoot(kScratchRegister, Heap::kTheHoleValueRootIndex); 79543c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(StackOperand(variable), kScratchRegister); 796b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org } 7974668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org break; 798b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 799486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org case Variable::CONTEXT: 800ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com if (hole_init) { 801ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com Comment cmnt(masm_, "[ VariableDeclaration"); 802ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com EmitDebugCheckDeclarationContext(variable); 80380c42ed5ace766a3a02b30a53a25e5e81e234723yangguo@chromium.org __ LoadRoot(kScratchRegister, Heap::kTheHoleValueRootIndex); 80443c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(ContextOperand(rsi, variable->index()), kScratchRegister); 80580c42ed5ace766a3a02b30a53a25e5e81e234723yangguo@chromium.org // No write barrier since the hole value is in old space. 8061805e21b0aece8c05f4960a5c0751c4463557891fschneider@chromium.org PrepareForBailoutForId(proxy->id(), NO_REGISTERS); 8074668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org } 8084668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org break; 809b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 810486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org case Variable::LOOKUP: { 811ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com Comment cmnt(masm_, "[ VariableDeclaration"); 812763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(rsi); 8134668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org __ Push(variable->name()); 814394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com // Declaration nodes are always introduced in one of four modes. 815e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(IsDeclaredVariableMode(mode)); 816394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com PropertyAttributes attr = 817355cfd19c23ac613f2738a40e356ea48297f7d5eyangguo@chromium.org IsImmutableVariableMode(mode) ? READ_ONLY : NONE; 8184668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org __ Push(Smi::FromInt(attr)); 8194668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org // Push initial value, if any. 8204668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org // Note: For variables we must not push an initial value (such as 8214668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org // 'undefined') because we may have a (legal) redeclaration and we 8224668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org // must not destroy the current value. 823ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com if (hole_init) { 82480c42ed5ace766a3a02b30a53a25e5e81e234723yangguo@chromium.org __ PushRoot(Heap::kTheHoleValueRootIndex); 8254668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org } else { 826486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org __ Push(Smi::FromInt(0)); // Indicates no initial value. 8274668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org } 8289bf7aff6cc5ed8807b7b2abc11b6cf77b928ded1machenbach@chromium.org __ CallRuntime(Runtime::kDeclareLookupSlot, 4); 8294668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org break; 830b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org } 831b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org } 832b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org} 833b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 834b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 835ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.comvoid FullCodeGenerator::VisitFunctionDeclaration( 836ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com FunctionDeclaration* declaration) { 837ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com VariableProxy* proxy = declaration->proxy(); 838ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com Variable* variable = proxy->var(); 839ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com switch (variable->location()) { 840ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com case Variable::UNALLOCATED: { 8417028c05c1c71b9d5c5fe1bca01f2461d17a2dda7mmassi@chromium.org globals_->Add(variable->name(), zone()); 842ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com Handle<SharedFunctionInfo> function = 8437c0666e15d1f68f0fef5db9e5c409fab010ed816machenbach@chromium.org Compiler::BuildFunctionInfo(declaration->fun(), script(), info_); 844ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com // Check for stack-overflow exception. 845ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com if (function.is_null()) return SetStackOverflow(); 8467028c05c1c71b9d5c5fe1bca01f2461d17a2dda7mmassi@chromium.org globals_->Add(function, zone()); 847ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com break; 848ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com } 849ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com 850ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com case Variable::PARAMETER: 851ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com case Variable::LOCAL: { 852ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com Comment cmnt(masm_, "[ FunctionDeclaration"); 853ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com VisitForAccumulatorValue(declaration->fun()); 85443c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(StackOperand(variable), result_register()); 855ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com break; 856ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com } 857ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com 858ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com case Variable::CONTEXT: { 859ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com Comment cmnt(masm_, "[ FunctionDeclaration"); 860ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com EmitDebugCheckDeclarationContext(variable); 861ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com VisitForAccumulatorValue(declaration->fun()); 86243c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(ContextOperand(rsi, variable->index()), result_register()); 863ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com int offset = Context::SlotOffset(variable->index()); 864ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com // We know that we have written a function, which is not a smi. 865ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com __ RecordWriteContextSlot(rsi, 866ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com offset, 867ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com result_register(), 868ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com rcx, 869ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com kDontSaveFPRegs, 870ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com EMIT_REMEMBERED_SET, 871ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com OMIT_SMI_CHECK); 872ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com PrepareForBailoutForId(proxy->id(), NO_REGISTERS); 873ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com break; 874ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com } 875ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com 876ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com case Variable::LOOKUP: { 877ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com Comment cmnt(masm_, "[ FunctionDeclaration"); 878763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(rsi); 879ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com __ Push(variable->name()); 880ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com __ Push(Smi::FromInt(NONE)); 881ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com VisitForStackValue(declaration->fun()); 8829bf7aff6cc5ed8807b7b2abc11b6cf77b928ded1machenbach@chromium.org __ CallRuntime(Runtime::kDeclareLookupSlot, 4); 883ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com break; 884ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com } 885ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com } 886ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com} 887ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com 888ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com 889ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.comvoid FullCodeGenerator::VisitModuleDeclaration(ModuleDeclaration* declaration) { 8908e8d8825f97138de12985f8e0d3163074dff5258ulan@chromium.org Variable* variable = declaration->proxy()->var(); 891e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(variable->location() == Variable::CONTEXT); 892e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(variable->interface()->IsFrozen()); 8938e8d8825f97138de12985f8e0d3163074dff5258ulan@chromium.org 8948e8d8825f97138de12985f8e0d3163074dff5258ulan@chromium.org Comment cmnt(masm_, "[ ModuleDeclaration"); 8958e8d8825f97138de12985f8e0d3163074dff5258ulan@chromium.org EmitDebugCheckDeclarationContext(variable); 8968e8d8825f97138de12985f8e0d3163074dff5258ulan@chromium.org 8978e8d8825f97138de12985f8e0d3163074dff5258ulan@chromium.org // Load instance object. 8988e8d8825f97138de12985f8e0d3163074dff5258ulan@chromium.org __ LoadContext(rax, scope_->ContextChainLength(scope_->GlobalScope())); 89943c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rax, ContextOperand(rax, variable->interface()->Index())); 90043c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rax, ContextOperand(rax, Context::EXTENSION_INDEX)); 9018e8d8825f97138de12985f8e0d3163074dff5258ulan@chromium.org 9028e8d8825f97138de12985f8e0d3163074dff5258ulan@chromium.org // Assign it. 90343c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(ContextOperand(rsi, variable->index()), rax); 9048e8d8825f97138de12985f8e0d3163074dff5258ulan@chromium.org // We know that we have written a module, which is not a smi. 9058e8d8825f97138de12985f8e0d3163074dff5258ulan@chromium.org __ RecordWriteContextSlot(rsi, 9068e8d8825f97138de12985f8e0d3163074dff5258ulan@chromium.org Context::SlotOffset(variable->index()), 9078e8d8825f97138de12985f8e0d3163074dff5258ulan@chromium.org rax, 9088e8d8825f97138de12985f8e0d3163074dff5258ulan@chromium.org rcx, 9098e8d8825f97138de12985f8e0d3163074dff5258ulan@chromium.org kDontSaveFPRegs, 9108e8d8825f97138de12985f8e0d3163074dff5258ulan@chromium.org EMIT_REMEMBERED_SET, 9118e8d8825f97138de12985f8e0d3163074dff5258ulan@chromium.org OMIT_SMI_CHECK); 9128e8d8825f97138de12985f8e0d3163074dff5258ulan@chromium.org PrepareForBailoutForId(declaration->proxy()->id(), NO_REGISTERS); 9138e8d8825f97138de12985f8e0d3163074dff5258ulan@chromium.org 9148e8d8825f97138de12985f8e0d3163074dff5258ulan@chromium.org // Traverse into body. 9158e8d8825f97138de12985f8e0d3163074dff5258ulan@chromium.org Visit(declaration->module()); 916ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com} 917ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com 918ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com 919ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.comvoid FullCodeGenerator::VisitImportDeclaration(ImportDeclaration* declaration) { 920ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com VariableProxy* proxy = declaration->proxy(); 921ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com Variable* variable = proxy->var(); 922ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com switch (variable->location()) { 923ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com case Variable::UNALLOCATED: 924ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com // TODO(rossberg) 925ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com break; 926ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com 927ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com case Variable::CONTEXT: { 928ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com Comment cmnt(masm_, "[ ImportDeclaration"); 929ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com EmitDebugCheckDeclarationContext(variable); 930ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com // TODO(rossberg) 931ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com break; 932ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com } 933ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com 934ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com case Variable::PARAMETER: 935ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com case Variable::LOCAL: 936ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com case Variable::LOOKUP: 937ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com UNREACHABLE(); 938ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com } 939ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com} 940ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com 941ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com 942ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.comvoid FullCodeGenerator::VisitExportDeclaration(ExportDeclaration* declaration) { 943ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com // TODO(rossberg) 944ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com} 945ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com 946ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com 947b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.orgvoid FullCodeGenerator::DeclareGlobals(Handle<FixedArray> pairs) { 948b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org // Call the runtime to declare the globals. 949763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(rsi); // The context is the first argument. 950b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org __ Push(pairs); 9511805e21b0aece8c05f4960a5c0751c4463557891fschneider@chromium.org __ Push(Smi::FromInt(DeclareGlobalsFlags())); 95247390597afd6b17870f41dfb5dd8c057aea1f068machenbach@chromium.org __ CallRuntime(Runtime::kDeclareGlobals, 3); 953b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org // Return value is ignored. 954b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org} 955b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 956b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 9578e8d8825f97138de12985f8e0d3163074dff5258ulan@chromium.orgvoid FullCodeGenerator::DeclareModules(Handle<FixedArray> descriptions) { 9588e8d8825f97138de12985f8e0d3163074dff5258ulan@chromium.org // Call the runtime to declare the modules. 9598e8d8825f97138de12985f8e0d3163074dff5258ulan@chromium.org __ Push(descriptions); 96047390597afd6b17870f41dfb5dd8c057aea1f068machenbach@chromium.org __ CallRuntime(Runtime::kDeclareModules, 1); 9618e8d8825f97138de12985f8e0d3163074dff5258ulan@chromium.org // Return value is ignored. 9628e8d8825f97138de12985f8e0d3163074dff5258ulan@chromium.org} 9638e8d8825f97138de12985f8e0d3163074dff5258ulan@chromium.org 9648e8d8825f97138de12985f8e0d3163074dff5258ulan@chromium.org 9659dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.comvoid FullCodeGenerator::VisitSwitchStatement(SwitchStatement* stmt) { 9669dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com Comment cmnt(masm_, "[ SwitchStatement"); 9679dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com Breakable nested_statement(this, stmt); 9689dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com SetStatementPosition(stmt); 969d2c22f0121ebc55ee26a9e742f0fd7c0b8397730kmillikin@chromium.org 9709dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com // Keep the switch value on the stack until a case matches. 9714a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org VisitForStackValue(stmt->tag()); 972d2c22f0121ebc55ee26a9e742f0fd7c0b8397730kmillikin@chromium.org PrepareForBailoutForId(stmt->EntryId(), NO_REGISTERS); 9739dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 9749dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com ZoneList<CaseClause*>* clauses = stmt->cases(); 9759dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com CaseClause* default_clause = NULL; // Can occur anywhere in the list. 9769dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 9779dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com Label next_test; // Recycled for each test. 9789dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com // Compile all the tests with branches to their bodies. 9799dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com for (int i = 0; i < clauses->length(); i++) { 9809dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com CaseClause* clause = clauses->at(i); 98144bc7080a85cc25bff3b9b77cd53f7beffab711bkarlklose@chromium.org clause->body_target()->Unuse(); 982d218783b5ca3a9706b143874e9372e469f3e6f71fschneider@chromium.org 9839dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com // The default is not a test, but remember it as final fall through. 9849dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com if (clause->is_default()) { 9859dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com default_clause = clause; 9869dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com continue; 9879dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com } 9889dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 9899dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com Comment cmnt(masm_, "[ Case comparison"); 9909dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ bind(&next_test); 9919dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com next_test.Unuse(); 9929dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 9939dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com // Compile the label expression. 9944a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org VisitForAccumulatorValue(clause->label()); 9959dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 99665fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org // Perform the comparison as if via '==='. 99743c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rdx, Operand(rsp, 0)); // Switch value. 998d88afa260e45de10e729b05a20146184a488aff7erik.corry@gmail.com bool inline_smi_code = ShouldInlineSmiCase(Token::EQ_STRICT); 999d91075f76b836c2cfa4f4e4cc0fb31170df864ccerik.corry@gmail.com JumpPatchSite patch_site(masm_); 1000d88afa260e45de10e729b05a20146184a488aff7erik.corry@gmail.com if (inline_smi_code) { 100183a4728861129dc263ded92157f3e6389f851f19karlklose@chromium.org Label slow_case; 100243c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rcx, rdx); 1003895f00d1d8c5a7a7209c36d690688e3552de3df4machenbach@chromium.org __ orp(rcx, rax); 100483a4728861129dc263ded92157f3e6389f851f19karlklose@chromium.org patch_site.EmitJumpIfNotSmi(rcx, &slow_case, Label::kNear); 1005d91075f76b836c2cfa4f4e4cc0fb31170df864ccerik.corry@gmail.com 10067a1bfbe9bc8295770315c55f7ce40822b7951aabmachenbach@chromium.org __ cmpp(rdx, rax); 100765fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org __ j(not_equal, &next_test); 100865fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org __ Drop(1); // Switch value is no longer needed. 100944bc7080a85cc25bff3b9b77cd53f7beffab711bkarlklose@chromium.org __ jmp(clause->body_target()); 101065fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org __ bind(&slow_case); 101165fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org } 10129dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 1013d91075f76b836c2cfa4f4e4cc0fb31170df864ccerik.corry@gmail.com // Record position before stub call for type feedback. 1014d91075f76b836c2cfa4f4e4cc0fb31170df864ccerik.corry@gmail.com SetSourcePosition(clause->position()); 10156313e220249748eb26e1ddcee2bbe857fef03b42machenbach@chromium.org Handle<Code> ic = 10166313e220249748eb26e1ddcee2bbe857fef03b42machenbach@chromium.org CodeFactory::CompareIC(isolate(), Token::EQ_STRICT).code(); 1017f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org CallIC(ic, clause->CompareId()); 10184f693d6b99ffdbc05e5e211e08ed5039e13279d2ricow@chromium.org patch_site.EmitPatchInfo(); 1019d91075f76b836c2cfa4f4e4cc0fb31170df864ccerik.corry@gmail.com 10204f99be9ff2091451687891a05d99cc31990de709hpayer@chromium.org Label skip; 10214f99be9ff2091451687891a05d99cc31990de709hpayer@chromium.org __ jmp(&skip, Label::kNear); 10224f99be9ff2091451687891a05d99cc31990de709hpayer@chromium.org PrepareForBailout(clause, TOS_REG); 10234f99be9ff2091451687891a05d99cc31990de709hpayer@chromium.org __ CompareRoot(rax, Heap::kTrueValueRootIndex); 10244f99be9ff2091451687891a05d99cc31990de709hpayer@chromium.org __ j(not_equal, &next_test); 10254f99be9ff2091451687891a05d99cc31990de709hpayer@chromium.org __ Drop(1); 10264f99be9ff2091451687891a05d99cc31990de709hpayer@chromium.org __ jmp(clause->body_target()); 10274f99be9ff2091451687891a05d99cc31990de709hpayer@chromium.org __ bind(&skip); 10284f99be9ff2091451687891a05d99cc31990de709hpayer@chromium.org 10297a1bfbe9bc8295770315c55f7ce40822b7951aabmachenbach@chromium.org __ testp(rax, rax); 10309dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ j(not_equal, &next_test); 10319dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ Drop(1); // Switch value is no longer needed. 103244bc7080a85cc25bff3b9b77cd53f7beffab711bkarlklose@chromium.org __ jmp(clause->body_target()); 10339dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com } 10349dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 10359dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com // Discard the test value and jump to the default if present, otherwise to 10369dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com // the end of the statement. 10379dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ bind(&next_test); 10389dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ Drop(1); // Switch value is no longer needed. 10399dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com if (default_clause == NULL) { 104028a37086dc5bb171203246e0d9701882d56d6e81rossberg@chromium.org __ jmp(nested_statement.break_label()); 10419dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com } else { 104244bc7080a85cc25bff3b9b77cd53f7beffab711bkarlklose@chromium.org __ jmp(default_clause->body_target()); 10439dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com } 10449dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 10459dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com // Compile all the case bodies. 10469dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com for (int i = 0; i < clauses->length(); i++) { 10479dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com Comment cmnt(masm_, "[ Case body"); 10489dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com CaseClause* clause = clauses->at(i); 104944bc7080a85cc25bff3b9b77cd53f7beffab711bkarlklose@chromium.org __ bind(clause->body_target()); 10504d3fe4e246b0312eba361689f288ddf8dd516960danno@chromium.org PrepareForBailoutForId(clause->EntryId(), NO_REGISTERS); 10519dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com VisitStatements(clause->statements()); 10529dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com } 10539dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 105428a37086dc5bb171203246e0d9701882d56d6e81rossberg@chromium.org __ bind(nested_statement.break_label()); 1055d2c22f0121ebc55ee26a9e742f0fd7c0b8397730kmillikin@chromium.org PrepareForBailoutForId(stmt->ExitId(), NO_REGISTERS); 10569dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com} 10579dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 10589dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 10599dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.comvoid FullCodeGenerator::VisitForInStatement(ForInStatement* stmt) { 10609dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com Comment cmnt(masm_, "[ ForInStatement"); 1061f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org int slot = stmt->ForInFeedbackSlot(); 10629dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com SetStatementPosition(stmt); 10639dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 10649dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com Label loop, exit; 10659dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com ForIn loop_statement(this, stmt); 10669dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com increment_loop_depth(); 10679dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 10681fd77d58ca66b2711f09cdea32c0c2d1a01b3ae5danno@chromium.org // Get the object to enumerate over. If the object is null or undefined, skip 10691fd77d58ca66b2711f09cdea32c0c2d1a01b3ae5danno@chromium.org // over the loop. See ECMA-262 version 5, section 12.6.4. 10704a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org VisitForAccumulatorValue(stmt->enumerable()); 10719dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ CompareRoot(rax, Heap::kUndefinedValueRootIndex); 10729dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ j(equal, &exit); 10735d6c1f5b20195b800bc6db146920fd6f878d1fd4vegorov@chromium.org Register null_value = rdi; 10745d6c1f5b20195b800bc6db146920fd6f878d1fd4vegorov@chromium.org __ LoadRoot(null_value, Heap::kNullValueRootIndex); 10757a1bfbe9bc8295770315c55f7ce40822b7951aabmachenbach@chromium.org __ cmpp(rax, null_value); 10769dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ j(equal, &exit); 10779dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 1078be6bd10d8264b7a05e0a04407eb98b253bc0f152kmillikin@chromium.org PrepareForBailoutForId(stmt->PrepareId(), TOS_REG); 1079be6bd10d8264b7a05e0a04407eb98b253bc0f152kmillikin@chromium.org 10809dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com // Convert the object to a JS object. 10819dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com Label convert, done_convert; 10829dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ JumpIfSmi(rax, &convert); 1083d2be901879306d8ff27e78e37783028d581d46fcricow@chromium.org __ CmpObjectType(rax, FIRST_SPEC_OBJECT_TYPE, rcx); 10849dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ j(above_equal, &done_convert); 10859dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ bind(&convert); 1086763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(rax); 10879dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ InvokeBuiltin(Builtins::TO_OBJECT, CALL_FUNCTION); 10889dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ bind(&done_convert); 1089763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(rax); 10909dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 1091394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com // Check for proxies. 1092394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com Label call_runtime; 1093394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com STATIC_ASSERT(FIRST_JS_PROXY_TYPE == FIRST_SPEC_OBJECT_TYPE); 1094394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com __ CmpObjectType(rax, LAST_JS_PROXY_TYPE, rcx); 1095394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com __ j(below_equal, &call_runtime); 1096394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com 10975d6c1f5b20195b800bc6db146920fd6f878d1fd4vegorov@chromium.org // Check cache validity in generated code. This is a fast case for 10985d6c1f5b20195b800bc6db146920fd6f878d1fd4vegorov@chromium.org // the JSObject::IsSimpleEnum cache validity checks. If we cannot 10995d6c1f5b20195b800bc6db146920fd6f878d1fd4vegorov@chromium.org // guarantee cache validity, call the runtime system to check cache 11005d6c1f5b20195b800bc6db146920fd6f878d1fd4vegorov@chromium.org // validity or get the property names in a fixed array. 1101be6bd10d8264b7a05e0a04407eb98b253bc0f152kmillikin@chromium.org __ CheckEnumCache(null_value, &call_runtime); 11025d6c1f5b20195b800bc6db146920fd6f878d1fd4vegorov@chromium.org 11035d6c1f5b20195b800bc6db146920fd6f878d1fd4vegorov@chromium.org // The enum cache is valid. Load the map of the object being 11045d6c1f5b20195b800bc6db146920fd6f878d1fd4vegorov@chromium.org // iterated over and use the cache for the iteration. 110583a4728861129dc263ded92157f3e6389f851f19karlklose@chromium.org Label use_cache; 110643c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rax, FieldOperand(rax, HeapObject::kMapOffset)); 110783a4728861129dc263ded92157f3e6389f851f19karlklose@chromium.org __ jmp(&use_cache, Label::kNear); 11089dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 11099dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com // Get the set of properties to enumerate. 11105d6c1f5b20195b800bc6db146920fd6f878d1fd4vegorov@chromium.org __ bind(&call_runtime); 1111763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(rax); // Duplicate the enumerable object on the stack. 11129dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ CallRuntime(Runtime::kGetPropertyNamesFast, 1); 11139dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 11149dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com // If we got a map from the runtime call, we can do a fast 11159dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com // modification check. Otherwise, we got a fixed array, and we have 11169dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com // to do a slow check. 111783a4728861129dc263ded92157f3e6389f851f19karlklose@chromium.org Label fixed_array; 11189dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ CompareRoot(FieldOperand(rax, HeapObject::kMapOffset), 11199dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com Heap::kMetaMapRootIndex); 1120355cfd19c23ac613f2738a40e356ea48297f7d5eyangguo@chromium.org __ j(not_equal, &fixed_array); 11219dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 11229dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com // We got a map in register rax. Get the enumeration cache from it. 11235d6c1f5b20195b800bc6db146920fd6f878d1fd4vegorov@chromium.org __ bind(&use_cache); 1124355cfd19c23ac613f2738a40e356ea48297f7d5eyangguo@chromium.org 1125355cfd19c23ac613f2738a40e356ea48297f7d5eyangguo@chromium.org Label no_descriptors; 1126355cfd19c23ac613f2738a40e356ea48297f7d5eyangguo@chromium.org 1127355cfd19c23ac613f2738a40e356ea48297f7d5eyangguo@chromium.org __ EnumLength(rdx, rax); 1128355cfd19c23ac613f2738a40e356ea48297f7d5eyangguo@chromium.org __ Cmp(rdx, Smi::FromInt(0)); 1129355cfd19c23ac613f2738a40e356ea48297f7d5eyangguo@chromium.org __ j(equal, &no_descriptors); 1130355cfd19c23ac613f2738a40e356ea48297f7d5eyangguo@chromium.org 113140cb878ef373bea9bdf7998829891e4096751dd0danno@chromium.org __ LoadInstanceDescriptors(rax, rcx); 113243c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rcx, FieldOperand(rcx, DescriptorArray::kEnumCacheOffset)); 113343c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rcx, FieldOperand(rcx, DescriptorArray::kEnumCacheBridgeCacheOffset)); 11349dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 1135f2038fb01417bcf7698b87a5dfaa4a861539618aerik.corry@gmail.com // Set up the four remaining stack slots. 1136763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(rax); // Map. 1137763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(rcx); // Enumeration cache. 1138763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(rdx); // Number of valid entries for the map in the enum cache. 11399dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ Push(Smi::FromInt(0)); // Initial index. 11409dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ jmp(&loop); 11419dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 1142355cfd19c23ac613f2738a40e356ea48297f7d5eyangguo@chromium.org __ bind(&no_descriptors); 1143fa0c3c69b9d632e5730bdd9c745c375beef5e54dmachenbach@chromium.org __ addp(rsp, Immediate(kPointerSize)); 1144355cfd19c23ac613f2738a40e356ea48297f7d5eyangguo@chromium.org __ jmp(&exit); 1145355cfd19c23ac613f2738a40e356ea48297f7d5eyangguo@chromium.org 11469dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com // We got a fixed array in register rax. Iterate through that. 1147394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com Label non_proxy; 11489dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ bind(&fixed_array); 11499a21ec41a2007f01ba18cf5fa48f7987e40e5109ulan@chromium.org 1150f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org // No need for a write barrier, we are storing a Smi in the feedback vector. 1151f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org __ Move(rbx, FeedbackVector()); 1152f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org __ Move(FieldOperand(rbx, FixedArray::OffsetOfElementAt(slot)), 1153a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org TypeFeedbackVector::MegamorphicSentinel(isolate())); 1154394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com __ Move(rbx, Smi::FromInt(1)); // Smi indicates slow check 115543c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rcx, Operand(rsp, 0 * kPointerSize)); // Get enumerated object 1156394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com STATIC_ASSERT(FIRST_JS_PROXY_TYPE == FIRST_SPEC_OBJECT_TYPE); 1157394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com __ CmpObjectType(rcx, LAST_JS_PROXY_TYPE, rcx); 1158394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com __ j(above, &non_proxy); 1159394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com __ Move(rbx, Smi::FromInt(0)); // Zero indicates proxy 1160394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com __ bind(&non_proxy); 1161763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(rbx); // Smi 1162763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(rax); // Array 116343c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rax, FieldOperand(rax, FixedArray::kLengthOffset)); 1164763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(rax); // Fixed array length (as smi). 11659dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ Push(Smi::FromInt(0)); // Initial index. 11669dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 11679dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com // Generate code for doing the condition check. 1168be6bd10d8264b7a05e0a04407eb98b253bc0f152kmillikin@chromium.org PrepareForBailoutForId(stmt->BodyId(), NO_REGISTERS); 11699dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ bind(&loop); 117043c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rax, Operand(rsp, 0 * kPointerSize)); // Get the current index. 11717a1bfbe9bc8295770315c55f7ce40822b7951aabmachenbach@chromium.org __ cmpp(rax, Operand(rsp, 1 * kPointerSize)); // Compare to the array length. 117228a37086dc5bb171203246e0d9701882d56d6e81rossberg@chromium.org __ j(above_equal, loop_statement.break_label()); 11739dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 11749dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com // Get the current entry of the array into register rbx. 117543c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rbx, Operand(rsp, 2 * kPointerSize)); 1176eb7c144137bd7d461d4996f752f1353a0856fac1ricow@chromium.org SmiIndex index = masm()->SmiToIndex(rax, rax, kPointerSizeLog2); 117743c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rbx, FieldOperand(rbx, 11789dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com index.reg, 11799dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com index.scale, 11809dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com FixedArray::kHeaderSize)); 11819dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 1182394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com // Get the expected map from the stack or a smi in the 11839dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com // permanent slow case into register rdx. 118443c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rdx, Operand(rsp, 3 * kPointerSize)); 11859dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 11869dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com // Check if the expected map still matches that of the enumerable. 1187394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com // If not, we may have to filter the key. 118883a4728861129dc263ded92157f3e6389f851f19karlklose@chromium.org Label update_each; 118943c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rcx, Operand(rsp, 4 * kPointerSize)); 11907a1bfbe9bc8295770315c55f7ce40822b7951aabmachenbach@chromium.org __ cmpp(rdx, FieldOperand(rcx, HeapObject::kMapOffset)); 119183a4728861129dc263ded92157f3e6389f851f19karlklose@chromium.org __ j(equal, &update_each, Label::kNear); 11929dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 1193394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com // For proxies, no filtering is done. 1194394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com // TODO(rossberg): What if only a prototype is a proxy? Not specified yet. 1195394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com __ Cmp(rdx, Smi::FromInt(0)); 1196394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com __ j(equal, &update_each, Label::kNear); 1197394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com 11989dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com // Convert the entry to a string or null if it isn't a property 11999dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com // anymore. If the property has been removed while iterating, we 12009dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com // just skip it. 1201763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(rcx); // Enumerable. 1202763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(rbx); // Current entry. 12039dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ InvokeBuiltin(Builtins::FILTER_KEY, CALL_FUNCTION); 1204badaffc570baec00166b0ad3bdc96995751a7e13ricow@chromium.org __ Cmp(rax, Smi::FromInt(0)); 120528a37086dc5bb171203246e0d9701882d56d6e81rossberg@chromium.org __ j(equal, loop_statement.continue_label()); 120643c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rbx, rax); 12079dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 12089dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com // Update the 'each' property or variable from the possibly filtered 12099dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com // entry in register rbx. 12109dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ bind(&update_each); 121143c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(result_register(), rbx); 12129dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com // Perform the assignment as if via '='. 12135f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.org { EffectContext context(this); 1214be6bd10d8264b7a05e0a04407eb98b253bc0f152kmillikin@chromium.org EmitAssignment(stmt->each()); 12155f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.org } 12169dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 12179dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com // Generate code for the body of the loop. 12189dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com Visit(stmt->body()); 12199dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 12209dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com // Generate code for going to the next element by incrementing the 12219dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com // index (smi) stored on top of the stack. 122228a37086dc5bb171203246e0d9701882d56d6e81rossberg@chromium.org __ bind(loop_statement.continue_label()); 12239dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ SmiAddConstant(Operand(rsp, 0 * kPointerSize), Smi::FromInt(1)); 12249dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 1225cddc71f18a46e6117cc765b1c53ca122e7aaa318rossberg@chromium.org EmitBackEdgeBookkeeping(stmt, &loop); 1226a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org __ jmp(&loop); 12279dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 12289dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com // Remove the pointers stored on the stack. 122928a37086dc5bb171203246e0d9701882d56d6e81rossberg@chromium.org __ bind(loop_statement.break_label()); 1230fa0c3c69b9d632e5730bdd9c745c375beef5e54dmachenbach@chromium.org __ addp(rsp, Immediate(5 * kPointerSize)); 12319dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 12329dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com // Exit and decrement the loop depth. 1233be6bd10d8264b7a05e0a04407eb98b253bc0f152kmillikin@chromium.org PrepareForBailoutForId(stmt->ExitId(), NO_REGISTERS); 12349dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ bind(&exit); 12359dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com decrement_loop_depth(); 12369dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com} 1237b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 1238b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 12391fd77d58ca66b2711f09cdea32c0c2d1a01b3ae5danno@chromium.orgvoid FullCodeGenerator::VisitForOfStatement(ForOfStatement* stmt) { 12401fd77d58ca66b2711f09cdea32c0c2d1a01b3ae5danno@chromium.org Comment cmnt(masm_, "[ ForOfStatement"); 12411fd77d58ca66b2711f09cdea32c0c2d1a01b3ae5danno@chromium.org SetStatementPosition(stmt); 12421fd77d58ca66b2711f09cdea32c0c2d1a01b3ae5danno@chromium.org 12431fd77d58ca66b2711f09cdea32c0c2d1a01b3ae5danno@chromium.org Iteration loop_statement(this, stmt); 12441fd77d58ca66b2711f09cdea32c0c2d1a01b3ae5danno@chromium.org increment_loop_depth(); 12451fd77d58ca66b2711f09cdea32c0c2d1a01b3ae5danno@chromium.org 12461845eb0120c7a870d7388de091246a7d1b48a4f8machenbach@chromium.org // var iterator = iterable[Symbol.iterator](); 12471845eb0120c7a870d7388de091246a7d1b48a4f8machenbach@chromium.org VisitForEffect(stmt->assign_iterator()); 12481fd77d58ca66b2711f09cdea32c0c2d1a01b3ae5danno@chromium.org 12491fd77d58ca66b2711f09cdea32c0c2d1a01b3ae5danno@chromium.org // Loop entry. 12501fd77d58ca66b2711f09cdea32c0c2d1a01b3ae5danno@chromium.org __ bind(loop_statement.continue_label()); 12511fd77d58ca66b2711f09cdea32c0c2d1a01b3ae5danno@chromium.org 12521fd77d58ca66b2711f09cdea32c0c2d1a01b3ae5danno@chromium.org // result = iterator.next() 12531fd77d58ca66b2711f09cdea32c0c2d1a01b3ae5danno@chromium.org VisitForEffect(stmt->next_result()); 12541fd77d58ca66b2711f09cdea32c0c2d1a01b3ae5danno@chromium.org 12551fd77d58ca66b2711f09cdea32c0c2d1a01b3ae5danno@chromium.org // if (result.done) break; 12561fd77d58ca66b2711f09cdea32c0c2d1a01b3ae5danno@chromium.org Label result_not_done; 12571fd77d58ca66b2711f09cdea32c0c2d1a01b3ae5danno@chromium.org VisitForControl(stmt->result_done(), 12581fd77d58ca66b2711f09cdea32c0c2d1a01b3ae5danno@chromium.org loop_statement.break_label(), 12591fd77d58ca66b2711f09cdea32c0c2d1a01b3ae5danno@chromium.org &result_not_done, 12601fd77d58ca66b2711f09cdea32c0c2d1a01b3ae5danno@chromium.org &result_not_done); 12611fd77d58ca66b2711f09cdea32c0c2d1a01b3ae5danno@chromium.org __ bind(&result_not_done); 12621fd77d58ca66b2711f09cdea32c0c2d1a01b3ae5danno@chromium.org 12631fd77d58ca66b2711f09cdea32c0c2d1a01b3ae5danno@chromium.org // each = result.value 12641fd77d58ca66b2711f09cdea32c0c2d1a01b3ae5danno@chromium.org VisitForEffect(stmt->assign_each()); 12651fd77d58ca66b2711f09cdea32c0c2d1a01b3ae5danno@chromium.org 12661fd77d58ca66b2711f09cdea32c0c2d1a01b3ae5danno@chromium.org // Generate code for the body of the loop. 12671fd77d58ca66b2711f09cdea32c0c2d1a01b3ae5danno@chromium.org Visit(stmt->body()); 12681fd77d58ca66b2711f09cdea32c0c2d1a01b3ae5danno@chromium.org 12691fd77d58ca66b2711f09cdea32c0c2d1a01b3ae5danno@chromium.org // Check stack before looping. 12701fd77d58ca66b2711f09cdea32c0c2d1a01b3ae5danno@chromium.org PrepareForBailoutForId(stmt->BackEdgeId(), NO_REGISTERS); 12711fd77d58ca66b2711f09cdea32c0c2d1a01b3ae5danno@chromium.org EmitBackEdgeBookkeeping(stmt, loop_statement.continue_label()); 12721fd77d58ca66b2711f09cdea32c0c2d1a01b3ae5danno@chromium.org __ jmp(loop_statement.continue_label()); 12731fd77d58ca66b2711f09cdea32c0c2d1a01b3ae5danno@chromium.org 12741fd77d58ca66b2711f09cdea32c0c2d1a01b3ae5danno@chromium.org // Exit and decrement the loop depth. 12751fd77d58ca66b2711f09cdea32c0c2d1a01b3ae5danno@chromium.org PrepareForBailoutForId(stmt->ExitId(), NO_REGISTERS); 12761fd77d58ca66b2711f09cdea32c0c2d1a01b3ae5danno@chromium.org __ bind(loop_statement.break_label()); 12771fd77d58ca66b2711f09cdea32c0c2d1a01b3ae5danno@chromium.org decrement_loop_depth(); 12781fd77d58ca66b2711f09cdea32c0c2d1a01b3ae5danno@chromium.org} 12791fd77d58ca66b2711f09cdea32c0c2d1a01b3ae5danno@chromium.org 12801fd77d58ca66b2711f09cdea32c0c2d1a01b3ae5danno@chromium.org 128121b5e95db1c650dfc2ba8e11d010bb01293f85c5vegorov@chromium.orgvoid FullCodeGenerator::EmitNewClosure(Handle<SharedFunctionInfo> info, 128221b5e95db1c650dfc2ba8e11d010bb01293f85c5vegorov@chromium.org bool pretenure) { 12839dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com // Use the fast case closure allocation code that allocates in new 12845d6c1f5b20195b800bc6db146920fd6f878d1fd4vegorov@chromium.org // space for nested functions that don't need literals cloning. If 12855d6c1f5b20195b800bc6db146920fd6f878d1fd4vegorov@chromium.org // we're running with the --always-opt or the --prepare-always-opt 12865d6c1f5b20195b800bc6db146920fd6f878d1fd4vegorov@chromium.org // flag, we need to use the runtime function so that the new function 12875d6c1f5b20195b800bc6db146920fd6f878d1fd4vegorov@chromium.org // we are creating here gets a chance to have its code optimized and 12885d6c1f5b20195b800bc6db146920fd6f878d1fd4vegorov@chromium.org // doesn't just get a copy of the existing unoptimized code. 12895d6c1f5b20195b800bc6db146920fd6f878d1fd4vegorov@chromium.org if (!FLAG_always_opt && 12905d6c1f5b20195b800bc6db146920fd6f878d1fd4vegorov@chromium.org !FLAG_prepare_always_opt && 1291ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org !pretenure && 12925d6c1f5b20195b800bc6db146920fd6f878d1fd4vegorov@chromium.org scope()->is_function_scope() && 1293ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org info->num_literals() == 0) { 12942c81ceb7f1e1ccf5f304be0646f4c1375941a7f2machenbach@chromium.org FastNewClosureStub stub(isolate(), info->strict_mode(), info->kind()); 1295662436e7b124b3535773535c671c53db322070b5verwaest@chromium.org __ Move(rbx, info); 12969dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ CallStub(&stub); 12979dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com } else { 1298763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(rsi); 12999dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ Push(info); 1300ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org __ Push(pretenure 1301ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org ? isolate()->factory()->true_value() 1302ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org : isolate()->factory()->false_value()); 130347390597afd6b17870f41dfb5dd8c057aea1f068machenbach@chromium.org __ CallRuntime(Runtime::kNewClosure, 3); 13049dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com } 13054a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org context()->Plug(rax); 1306b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org} 1307b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 1308b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 1309b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.orgvoid FullCodeGenerator::VisitVariableProxy(VariableProxy* expr) { 1310b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org Comment cmnt(masm_, "[ VariableProxy"); 1311030d38ee536bc25856546e75fdac60d1a0c42bddwhesse@chromium.org EmitVariableLoad(expr); 1312b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org} 1313b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 1314b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 1315a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.orgvoid FullCodeGenerator::EmitLoadHomeObject(SuperReference* expr) { 1316a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org Comment cnmt(masm_, "[ SuperReference "); 1317a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org 1318a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org __ movp(LoadDescriptor::ReceiverRegister(), 1319a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org Operand(rbp, JavaScriptFrameConstants::kFunctionOffset)); 1320a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org 1321a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org Handle<Symbol> home_object_symbol(isolate()->heap()->home_object_symbol()); 1322a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org __ Move(LoadDescriptor::NameRegister(), home_object_symbol); 1323a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org 1324a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org CallLoadIC(NOT_CONTEXTUAL, expr->HomeObjectFeedbackId()); 1325a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org 1326a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org __ Cmp(rax, isolate()->factory()->undefined_value()); 1327a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org Label done; 1328a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org __ j(not_equal, &done); 1329a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org __ CallRuntime(Runtime::kThrowNonMethodError, 0); 1330a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org __ bind(&done); 1331a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org} 1332a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org 1333a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org 13349d1a7a8cdb664730cf5703185e85a4716748c564machenbach@chromium.orgvoid FullCodeGenerator::EmitLoadGlobalCheckExtensions(VariableProxy* proxy, 1335486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org TypeofState typeof_state, 1336486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org Label* slow) { 13372ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org Register context = rsi; 13382ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org Register temp = rdx; 13392ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org 13402ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org Scope* s = scope(); 13412ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org while (s != NULL) { 13422ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org if (s->num_heap_slots() > 0) { 1343486536df718553960f9700559e80e5b10b0d5994dslomov@chromium.org if (s->calls_sloppy_eval()) { 13442ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org // Check that extension is NULL. 13457a1bfbe9bc8295770315c55f7ce40822b7951aabmachenbach@chromium.org __ cmpp(ContextOperand(context, Context::EXTENSION_INDEX), 13462ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org Immediate(0)); 13472ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org __ j(not_equal, slow); 13482ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org } 13492ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org // Load next context in chain. 135043c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(temp, ContextOperand(context, Context::PREVIOUS_INDEX)); 13512ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org // Walk the rest of the chain without clobbering rsi. 13522ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org context = temp; 13532ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org } 13542ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org // If no outer scope calls eval, we do not need to check more 13552ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org // context extensions. If we have reached an eval scope, we check 13562ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org // all extensions from this point. 1357486536df718553960f9700559e80e5b10b0d5994dslomov@chromium.org if (!s->outer_scope_calls_sloppy_eval() || s->is_eval_scope()) break; 13582ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org s = s->outer_scope(); 13592ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org } 13602ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org 13612ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org if (s != NULL && s->is_eval_scope()) { 13622ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org // Loop up the context chain. There is no frame effect so it is 13632ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org // safe to use raw labels here. 136483a4728861129dc263ded92157f3e6389f851f19karlklose@chromium.org Label next, fast; 13652ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org if (!context.is(temp)) { 136643c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(temp, context); 13672ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org } 13682ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org // Load map for comparison into register, outside loop. 136946839fbbdee40a3d2d924e8b5b13c4139b0b24f2yangguo@chromium.org __ LoadRoot(kScratchRegister, Heap::kNativeContextMapRootIndex); 13702ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org __ bind(&next); 137146839fbbdee40a3d2d924e8b5b13c4139b0b24f2yangguo@chromium.org // Terminate at native context. 13727a1bfbe9bc8295770315c55f7ce40822b7951aabmachenbach@chromium.org __ cmpp(kScratchRegister, FieldOperand(temp, HeapObject::kMapOffset)); 137383a4728861129dc263ded92157f3e6389f851f19karlklose@chromium.org __ j(equal, &fast, Label::kNear); 13742ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org // Check that extension is NULL. 13757a1bfbe9bc8295770315c55f7ce40822b7951aabmachenbach@chromium.org __ cmpp(ContextOperand(temp, Context::EXTENSION_INDEX), Immediate(0)); 13762ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org __ j(not_equal, slow); 13772ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org // Load next context in chain. 137843c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(temp, ContextOperand(temp, Context::PREVIOUS_INDEX)); 13792ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org __ jmp(&next); 13802ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org __ bind(&fast); 13812ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org } 13822ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org 13832ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org // All extension objects were empty and it is safe to use a global 13842ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org // load IC call. 13859aaa825cf89e1bcfece269a453300ebf4a26d64dmachenbach@chromium.org __ movp(LoadDescriptor::ReceiverRegister(), GlobalObjectOperand()); 13869aaa825cf89e1bcfece269a453300ebf4a26d64dmachenbach@chromium.org __ Move(LoadDescriptor::NameRegister(), proxy->var()->name()); 13879d1a7a8cdb664730cf5703185e85a4716748c564machenbach@chromium.org if (FLAG_vector_ics) { 13889aaa825cf89e1bcfece269a453300ebf4a26d64dmachenbach@chromium.org __ Move(VectorLoadICDescriptor::SlotRegister(), 13899d1a7a8cdb664730cf5703185e85a4716748c564machenbach@chromium.org Smi::FromInt(proxy->VariableFeedbackSlot())); 13909d1a7a8cdb664730cf5703185e85a4716748c564machenbach@chromium.org } 13919d1a7a8cdb664730cf5703185e85a4716748c564machenbach@chromium.org 13929cbaabda8b4daeb06759ace10c926ab55bb69d7bulan@chromium.org ContextualMode mode = (typeof_state == INSIDE_TYPEOF) 13939cbaabda8b4daeb06759ace10c926ab55bb69d7bulan@chromium.org ? NOT_CONTEXTUAL 13949cbaabda8b4daeb06759ace10c926ab55bb69d7bulan@chromium.org : CONTEXTUAL; 13959cbaabda8b4daeb06759ace10c926ab55bb69d7bulan@chromium.org CallLoadIC(mode); 13962ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org} 13972ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org 13982ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org 1399486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.orgMemOperand FullCodeGenerator::ContextSlotOperandCheckExtensions(Variable* var, 1400486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org Label* slow) { 1401e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(var->IsContextSlot()); 14022ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org Register context = rsi; 14032ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org Register temp = rbx; 14042ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org 1405486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org for (Scope* s = scope(); s != var->scope(); s = s->outer_scope()) { 14062ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org if (s->num_heap_slots() > 0) { 1407486536df718553960f9700559e80e5b10b0d5994dslomov@chromium.org if (s->calls_sloppy_eval()) { 14082ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org // Check that extension is NULL. 14097a1bfbe9bc8295770315c55f7ce40822b7951aabmachenbach@chromium.org __ cmpp(ContextOperand(context, Context::EXTENSION_INDEX), 14102ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org Immediate(0)); 14112ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org __ j(not_equal, slow); 14122ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org } 141343c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(temp, ContextOperand(context, Context::PREVIOUS_INDEX)); 14142ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org // Walk the rest of the chain without clobbering rsi. 14152ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org context = temp; 14162ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org } 14172ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org } 14182ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org // Check that last extension is NULL. 14197a1bfbe9bc8295770315c55f7ce40822b7951aabmachenbach@chromium.org __ cmpp(ContextOperand(context, Context::EXTENSION_INDEX), Immediate(0)); 14202ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org __ j(not_equal, slow); 14215d6c1f5b20195b800bc6db146920fd6f878d1fd4vegorov@chromium.org 14225d6c1f5b20195b800bc6db146920fd6f878d1fd4vegorov@chromium.org // This function is used only for loads, not stores, so it's safe to 14235d6c1f5b20195b800bc6db146920fd6f878d1fd4vegorov@chromium.org // return an rsi-based operand (the write barrier cannot be allowed to 14245d6c1f5b20195b800bc6db146920fd6f878d1fd4vegorov@chromium.org // destroy the rsi register). 1425486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org return ContextOperand(context, var->index()); 14262ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org} 14272ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org 14282ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org 14299d1a7a8cdb664730cf5703185e85a4716748c564machenbach@chromium.orgvoid FullCodeGenerator::EmitDynamicLookupFastCase(VariableProxy* proxy, 1430486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org TypeofState typeof_state, 1431486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org Label* slow, 1432486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org Label* done) { 14332ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org // Generate fast-case code for variables that might be shadowed by 14342ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org // eval-introduced variables. Eval is used a lot without 14352ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org // introducing variables. In those cases, we do not want to 14362ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org // perform a runtime call for all variables in the scope 14372ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org // containing the eval. 14389d1a7a8cdb664730cf5703185e85a4716748c564machenbach@chromium.org Variable* var = proxy->var(); 1439b4b2aa69a9f12525fca190287f47a66d7bdcb3aerossberg@chromium.org if (var->mode() == DYNAMIC_GLOBAL) { 14409d1a7a8cdb664730cf5703185e85a4716748c564machenbach@chromium.org EmitLoadGlobalCheckExtensions(proxy, typeof_state, slow); 14412ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org __ jmp(done); 1442b4b2aa69a9f12525fca190287f47a66d7bdcb3aerossberg@chromium.org } else if (var->mode() == DYNAMIC_LOCAL) { 1443486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org Variable* local = var->local_if_not_shadowed(); 144443c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rax, ContextSlotOperandCheckExtensions(local, slow)); 1445486536df718553960f9700559e80e5b10b0d5994dslomov@chromium.org if (local->mode() == LET || local->mode() == CONST || 1446486536df718553960f9700559e80e5b10b0d5994dslomov@chromium.org local->mode() == CONST_LEGACY) { 1447486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org __ CompareRoot(rax, Heap::kTheHoleValueRootIndex); 1448486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org __ j(not_equal, done); 1449486536df718553960f9700559e80e5b10b0d5994dslomov@chromium.org if (local->mode() == CONST_LEGACY) { 1450a8bb4d938869bdcdf759625ee868775ff24826d9svenpanne@chromium.org __ LoadRoot(rax, Heap::kUndefinedValueRootIndex); 1451486536df718553960f9700559e80e5b10b0d5994dslomov@chromium.org } else { // LET || CONST 1452a8bb4d938869bdcdf759625ee868775ff24826d9svenpanne@chromium.org __ Push(var->name()); 145347390597afd6b17870f41dfb5dd8c057aea1f068machenbach@chromium.org __ CallRuntime(Runtime::kThrowReferenceError, 1); 1454a8bb4d938869bdcdf759625ee868775ff24826d9svenpanne@chromium.org } 14552ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org } 1456486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org __ jmp(done); 14572ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org } 14582ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org} 14592ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org 14602ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org 1461030d38ee536bc25856546e75fdac60d1a0c42bddwhesse@chromium.orgvoid FullCodeGenerator::EmitVariableLoad(VariableProxy* proxy) { 1462030d38ee536bc25856546e75fdac60d1a0c42bddwhesse@chromium.org // Record position before possible IC call. 1463030d38ee536bc25856546e75fdac60d1a0c42bddwhesse@chromium.org SetSourcePosition(proxy->position()); 1464030d38ee536bc25856546e75fdac60d1a0c42bddwhesse@chromium.org Variable* var = proxy->var(); 1465030d38ee536bc25856546e75fdac60d1a0c42bddwhesse@chromium.org 1466486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org // Three cases: global variables, lookup variables, and all other types of 1467486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org // variables. 1468486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org switch (var->location()) { 1469486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org case Variable::UNALLOCATED: { 1470f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org Comment cmnt(masm_, "[ Global variable"); 14719aaa825cf89e1bcfece269a453300ebf4a26d64dmachenbach@chromium.org __ Move(LoadDescriptor::NameRegister(), var->name()); 14729aaa825cf89e1bcfece269a453300ebf4a26d64dmachenbach@chromium.org __ movp(LoadDescriptor::ReceiverRegister(), GlobalObjectOperand()); 14739d1a7a8cdb664730cf5703185e85a4716748c564machenbach@chromium.org if (FLAG_vector_ics) { 14749aaa825cf89e1bcfece269a453300ebf4a26d64dmachenbach@chromium.org __ Move(VectorLoadICDescriptor::SlotRegister(), 14759d1a7a8cdb664730cf5703185e85a4716748c564machenbach@chromium.org Smi::FromInt(proxy->VariableFeedbackSlot())); 14769d1a7a8cdb664730cf5703185e85a4716748c564machenbach@chromium.org } 14779cbaabda8b4daeb06759ace10c926ab55bb69d7bulan@chromium.org CallLoadIC(CONTEXTUAL); 1478486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org context()->Plug(rax); 1479486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org break; 1480486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org } 14812ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org 1482486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org case Variable::PARAMETER: 1483486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org case Variable::LOCAL: 1484486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org case Variable::CONTEXT: { 1485f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org Comment cmnt(masm_, var->IsContextSlot() ? "[ Context slot" 1486f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org : "[ Stack slot"); 1487c612e0211bdb8821cbd7886e15b0273ed82d2e9edanno@chromium.org if (var->binding_needs_init()) { 1488c612e0211bdb8821cbd7886e15b0273ed82d2e9edanno@chromium.org // var->scope() may be NULL when the proxy is located in eval code and 1489c612e0211bdb8821cbd7886e15b0273ed82d2e9edanno@chromium.org // refers to a potential outside binding. Currently those bindings are 1490c612e0211bdb8821cbd7886e15b0273ed82d2e9edanno@chromium.org // always looked up dynamically, i.e. in that case 1491c612e0211bdb8821cbd7886e15b0273ed82d2e9edanno@chromium.org // var->location() == LOOKUP. 1492c612e0211bdb8821cbd7886e15b0273ed82d2e9edanno@chromium.org // always holds. 1493e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(var->scope() != NULL); 1494c612e0211bdb8821cbd7886e15b0273ed82d2e9edanno@chromium.org 1495c612e0211bdb8821cbd7886e15b0273ed82d2e9edanno@chromium.org // Check if the binding really needs an initialization check. The check 1496c612e0211bdb8821cbd7886e15b0273ed82d2e9edanno@chromium.org // can be skipped in the following situation: we have a LET or CONST 1497c612e0211bdb8821cbd7886e15b0273ed82d2e9edanno@chromium.org // binding in harmony mode, both the Variable and the VariableProxy have 1498c612e0211bdb8821cbd7886e15b0273ed82d2e9edanno@chromium.org // the same declaration scope (i.e. they are both in global code, in the 1499c612e0211bdb8821cbd7886e15b0273ed82d2e9edanno@chromium.org // same function or in the same eval code) and the VariableProxy is in 1500c612e0211bdb8821cbd7886e15b0273ed82d2e9edanno@chromium.org // the source physically located after the initializer of the variable. 1501c612e0211bdb8821cbd7886e15b0273ed82d2e9edanno@chromium.org // 1502c612e0211bdb8821cbd7886e15b0273ed82d2e9edanno@chromium.org // We cannot skip any initialization checks for CONST in non-harmony 1503c612e0211bdb8821cbd7886e15b0273ed82d2e9edanno@chromium.org // mode because const variables may be declared but never initialized: 1504c612e0211bdb8821cbd7886e15b0273ed82d2e9edanno@chromium.org // if (false) { const x; }; var y = x; 1505c612e0211bdb8821cbd7886e15b0273ed82d2e9edanno@chromium.org // 1506c612e0211bdb8821cbd7886e15b0273ed82d2e9edanno@chromium.org // The condition on the declaration scopes is a conservative check for 1507c612e0211bdb8821cbd7886e15b0273ed82d2e9edanno@chromium.org // nested functions that access a binding and are called before the 1508c612e0211bdb8821cbd7886e15b0273ed82d2e9edanno@chromium.org // binding is initialized: 1509c612e0211bdb8821cbd7886e15b0273ed82d2e9edanno@chromium.org // function() { f(); let x = 1; function f() { x = 2; } } 1510c612e0211bdb8821cbd7886e15b0273ed82d2e9edanno@chromium.org // 1511c612e0211bdb8821cbd7886e15b0273ed82d2e9edanno@chromium.org bool skip_init_check; 1512c612e0211bdb8821cbd7886e15b0273ed82d2e9edanno@chromium.org if (var->scope()->DeclarationScope() != scope()->DeclarationScope()) { 1513c612e0211bdb8821cbd7886e15b0273ed82d2e9edanno@chromium.org skip_init_check = false; 1514ac45fedf88208de9636b896863f0942bae969d67jkummerow@chromium.org } else { 1515c612e0211bdb8821cbd7886e15b0273ed82d2e9edanno@chromium.org // Check that we always have valid source position. 1516e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(var->initializer_position() != RelocInfo::kNoPosition); 1517e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(proxy->position() != RelocInfo::kNoPosition); 1518486536df718553960f9700559e80e5b10b0d5994dslomov@chromium.org skip_init_check = var->mode() != CONST_LEGACY && 1519c612e0211bdb8821cbd7886e15b0273ed82d2e9edanno@chromium.org var->initializer_position() < proxy->position(); 1520c612e0211bdb8821cbd7886e15b0273ed82d2e9edanno@chromium.org } 1521c612e0211bdb8821cbd7886e15b0273ed82d2e9edanno@chromium.org 1522c612e0211bdb8821cbd7886e15b0273ed82d2e9edanno@chromium.org if (!skip_init_check) { 1523c612e0211bdb8821cbd7886e15b0273ed82d2e9edanno@chromium.org // Let and const need a read barrier. 1524c612e0211bdb8821cbd7886e15b0273ed82d2e9edanno@chromium.org Label done; 1525c612e0211bdb8821cbd7886e15b0273ed82d2e9edanno@chromium.org GetVar(rax, var); 1526c612e0211bdb8821cbd7886e15b0273ed82d2e9edanno@chromium.org __ CompareRoot(rax, Heap::kTheHoleValueRootIndex); 1527c612e0211bdb8821cbd7886e15b0273ed82d2e9edanno@chromium.org __ j(not_equal, &done, Label::kNear); 1528486536df718553960f9700559e80e5b10b0d5994dslomov@chromium.org if (var->mode() == LET || var->mode() == CONST) { 1529c612e0211bdb8821cbd7886e15b0273ed82d2e9edanno@chromium.org // Throw a reference error when using an uninitialized let/const 1530c612e0211bdb8821cbd7886e15b0273ed82d2e9edanno@chromium.org // binding in harmony mode. 1531c612e0211bdb8821cbd7886e15b0273ed82d2e9edanno@chromium.org __ Push(var->name()); 153247390597afd6b17870f41dfb5dd8c057aea1f068machenbach@chromium.org __ CallRuntime(Runtime::kThrowReferenceError, 1); 1533c612e0211bdb8821cbd7886e15b0273ed82d2e9edanno@chromium.org } else { 1534c612e0211bdb8821cbd7886e15b0273ed82d2e9edanno@chromium.org // Uninitalized const bindings outside of harmony mode are unholed. 1535e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(var->mode() == CONST_LEGACY); 1536c612e0211bdb8821cbd7886e15b0273ed82d2e9edanno@chromium.org __ LoadRoot(rax, Heap::kUndefinedValueRootIndex); 1537c612e0211bdb8821cbd7886e15b0273ed82d2e9edanno@chromium.org } 1538c612e0211bdb8821cbd7886e15b0273ed82d2e9edanno@chromium.org __ bind(&done); 1539c612e0211bdb8821cbd7886e15b0273ed82d2e9edanno@chromium.org context()->Plug(rax); 1540c612e0211bdb8821cbd7886e15b0273ed82d2e9edanno@chromium.org break; 1541486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org } 1542486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org } 1543c612e0211bdb8821cbd7886e15b0273ed82d2e9edanno@chromium.org context()->Plug(var); 1544486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org break; 1545486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org } 1546b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 1547486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org case Variable::LOOKUP: { 1548f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org Comment cmnt(masm_, "[ Lookup slot"); 1549486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org Label done, slow; 1550486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org // Generate code for loading from variables potentially shadowed 1551486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org // by eval-introduced variables. 15529d1a7a8cdb664730cf5703185e85a4716748c564machenbach@chromium.org EmitDynamicLookupFastCase(proxy, NOT_INSIDE_TYPEOF, &slow, &done); 1553486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org __ bind(&slow); 1554763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(rsi); // Context. 155580c42ed5ace766a3a02b30a53a25e5e81e234723yangguo@chromium.org __ Push(var->name()); 15564c3ce7c3fd2802da8f91c6516a9c9aea3cd93f1emachenbach@chromium.org __ CallRuntime(Runtime::kLoadLookupSlot, 2); 155780c42ed5ace766a3a02b30a53a25e5e81e234723yangguo@chromium.org __ bind(&done); 155880c42ed5ace766a3a02b30a53a25e5e81e234723yangguo@chromium.org context()->Plug(rax); 1559486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org break; 15609dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com } 1561b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org } 1562b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org} 1563b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 1564b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 1565b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.orgvoid FullCodeGenerator::VisitRegExpLiteral(RegExpLiteral* expr) { 1566b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org Comment cmnt(masm_, "[ RegExpLiteral"); 1567c4e51ac6d26b42753a57a4a9e4a419243b50151clrn@chromium.org Label materialized; 1568b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org // Registers will be used as follows: 1569b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org // rdi = JS function. 1570c4e51ac6d26b42753a57a4a9e4a419243b50151clrn@chromium.org // rcx = literals array. 1571c4e51ac6d26b42753a57a4a9e4a419243b50151clrn@chromium.org // rbx = regexp literal. 1572c4e51ac6d26b42753a57a4a9e4a419243b50151clrn@chromium.org // rax = regexp literal clone. 157343c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rdi, Operand(rbp, JavaScriptFrameConstants::kFunctionOffset)); 157443c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rcx, FieldOperand(rdi, JSFunction::kLiteralsOffset)); 1575b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org int literal_offset = 157665fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org FixedArray::kHeaderSize + expr->literal_index() * kPointerSize; 157743c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rbx, FieldOperand(rcx, literal_offset)); 1578c4e51ac6d26b42753a57a4a9e4a419243b50151clrn@chromium.org __ CompareRoot(rbx, Heap::kUndefinedValueRootIndex); 1579486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org __ j(not_equal, &materialized, Label::kNear); 1580c4e51ac6d26b42753a57a4a9e4a419243b50151clrn@chromium.org 1581b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org // Create regexp literal using runtime function 1582b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org // Result will be in rax. 1583763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(rcx); 1584b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org __ Push(Smi::FromInt(expr->literal_index())); 1585b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org __ Push(expr->pattern()); 1586b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org __ Push(expr->flags()); 158747390597afd6b17870f41dfb5dd8c057aea1f068machenbach@chromium.org __ CallRuntime(Runtime::kMaterializeRegExpLiteral, 4); 158843c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rbx, rax); 1589c4e51ac6d26b42753a57a4a9e4a419243b50151clrn@chromium.org 1590c4e51ac6d26b42753a57a4a9e4a419243b50151clrn@chromium.org __ bind(&materialized); 1591c4e51ac6d26b42753a57a4a9e4a419243b50151clrn@chromium.org int size = JSRegExp::kSize + JSRegExp::kInObjectFieldCount * kPointerSize; 1592c4e51ac6d26b42753a57a4a9e4a419243b50151clrn@chromium.org Label allocated, runtime_allocate; 15932bda543d75374afd8d7e98f56ca99a57ae1b7bd1svenpanne@chromium.org __ Allocate(size, rax, rcx, rdx, &runtime_allocate, TAG_OBJECT); 1594c4e51ac6d26b42753a57a4a9e4a419243b50151clrn@chromium.org __ jmp(&allocated); 1595c4e51ac6d26b42753a57a4a9e4a419243b50151clrn@chromium.org 1596c4e51ac6d26b42753a57a4a9e4a419243b50151clrn@chromium.org __ bind(&runtime_allocate); 1597763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(rbx); 1598c4e51ac6d26b42753a57a4a9e4a419243b50151clrn@chromium.org __ Push(Smi::FromInt(size)); 159947390597afd6b17870f41dfb5dd8c057aea1f068machenbach@chromium.org __ CallRuntime(Runtime::kAllocateInNewSpace, 1); 1600763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Pop(rbx); 1601c4e51ac6d26b42753a57a4a9e4a419243b50151clrn@chromium.org 1602c4e51ac6d26b42753a57a4a9e4a419243b50151clrn@chromium.org __ bind(&allocated); 1603c4e51ac6d26b42753a57a4a9e4a419243b50151clrn@chromium.org // Copy the content into the newly allocated memory. 1604c4e51ac6d26b42753a57a4a9e4a419243b50151clrn@chromium.org // (Unroll copy loop once for better throughput). 1605c4e51ac6d26b42753a57a4a9e4a419243b50151clrn@chromium.org for (int i = 0; i < size - kPointerSize; i += 2 * kPointerSize) { 160643c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rdx, FieldOperand(rbx, i)); 160743c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rcx, FieldOperand(rbx, i + kPointerSize)); 160843c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(FieldOperand(rax, i), rdx); 160943c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(FieldOperand(rax, i + kPointerSize), rcx); 1610c4e51ac6d26b42753a57a4a9e4a419243b50151clrn@chromium.org } 1611c4e51ac6d26b42753a57a4a9e4a419243b50151clrn@chromium.org if ((size % (2 * kPointerSize)) != 0) { 161243c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rdx, FieldOperand(rbx, size - kPointerSize)); 161343c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(FieldOperand(rax, size - kPointerSize), rdx); 1614c4e51ac6d26b42753a57a4a9e4a419243b50151clrn@chromium.org } 16154a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org context()->Plug(rax); 1616b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org} 1617b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 1618b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 16192c067b150f65db3e076b6b5a813e7f6f2492f770rossberg@chromium.orgvoid FullCodeGenerator::EmitAccessor(Expression* expression) { 16202c067b150f65db3e076b6b5a813e7f6f2492f770rossberg@chromium.org if (expression == NULL) { 16212c067b150f65db3e076b6b5a813e7f6f2492f770rossberg@chromium.org __ PushRoot(Heap::kNullValueRootIndex); 16222c067b150f65db3e076b6b5a813e7f6f2492f770rossberg@chromium.org } else { 16232c067b150f65db3e076b6b5a813e7f6f2492f770rossberg@chromium.org VisitForStackValue(expression); 16242c067b150f65db3e076b6b5a813e7f6f2492f770rossberg@chromium.org } 16252c067b150f65db3e076b6b5a813e7f6f2492f770rossberg@chromium.org} 16262c067b150f65db3e076b6b5a813e7f6f2492f770rossberg@chromium.org 16272c067b150f65db3e076b6b5a813e7f6f2492f770rossberg@chromium.org 1628b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.orgvoid FullCodeGenerator::VisitObjectLiteral(ObjectLiteral* expr) { 1629b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org Comment cmnt(masm_, "[ ObjectLiteral"); 1630e8412be858dc48afaec4959e42c5932f71a7f29bmachenbach@chromium.org 16317ff7607c2315ea91e4d13330ce14125e4bb4851amachenbach@chromium.org expr->BuildConstantProperties(isolate()); 1632f8c6bd531c2a8ba717cb8d316206347b05acebedmstarzinger@chromium.org Handle<FixedArray> constant_properties = expr->constant_properties(); 1633ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org int flags = expr->fast_elements() 1634ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org ? ObjectLiteral::kFastElements 1635ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org : ObjectLiteral::kNoFlags; 1636ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org flags |= expr->has_function() 1637ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org ? ObjectLiteral::kHasFunction 1638ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org : ObjectLiteral::kNoFlags; 1639f8c6bd531c2a8ba717cb8d316206347b05acebedmstarzinger@chromium.org int properties_count = constant_properties->length() / 2; 1640a86d416fb652b1936026eee315eccd4f17ca1002machenbach@chromium.org if (expr->may_store_doubles() || expr->depth() > 1 || 1641874aad37f2a832804012c6f56739f4fc6c9283cdmachenbach@chromium.org masm()->serializer_enabled() || flags != ObjectLiteral::kFastElements || 1642f8c6bd531c2a8ba717cb8d316206347b05acebedmstarzinger@chromium.org properties_count > FastCloneShallowObjectStub::kMaximumClonedProperties) { 164343c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rdi, Operand(rbp, JavaScriptFrameConstants::kFunctionOffset)); 1644763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(FieldOperand(rdi, JSFunction::kLiteralsOffset)); 164571fc3467b5396c27d0b701d88e196e88c78d8864mstarzinger@chromium.org __ Push(Smi::FromInt(expr->literal_index())); 164671fc3467b5396c27d0b701d88e196e88c78d8864mstarzinger@chromium.org __ Push(constant_properties); 164771fc3467b5396c27d0b701d88e196e88c78d8864mstarzinger@chromium.org __ Push(Smi::FromInt(flags)); 164847390597afd6b17870f41dfb5dd8c057aea1f068machenbach@chromium.org __ CallRuntime(Runtime::kCreateObjectLiteral, 4); 1649f8c6bd531c2a8ba717cb8d316206347b05acebedmstarzinger@chromium.org } else { 165043c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rdi, Operand(rbp, JavaScriptFrameConstants::kFunctionOffset)); 165143c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rax, FieldOperand(rdi, JSFunction::kLiteralsOffset)); 165271fc3467b5396c27d0b701d88e196e88c78d8864mstarzinger@chromium.org __ Move(rbx, Smi::FromInt(expr->literal_index())); 165371fc3467b5396c27d0b701d88e196e88c78d8864mstarzinger@chromium.org __ Move(rcx, constant_properties); 165471fc3467b5396c27d0b701d88e196e88c78d8864mstarzinger@chromium.org __ Move(rdx, Smi::FromInt(flags)); 1655f2f0489407bbb5e50d16ae791442df29513b53b5machenbach@chromium.org FastCloneShallowObjectStub stub(isolate(), properties_count); 1656f8c6bd531c2a8ba717cb8d316206347b05acebedmstarzinger@chromium.org __ CallStub(&stub); 1657b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org } 1658b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 1659b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org // If result_saved is true the result is on top of the stack. If 1660b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org // result_saved is false the result is in rax. 1661b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org bool result_saved = false; 1662b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 1663e03fb64ef23331755b7986d2560bc4c00ba3e67bfschneider@chromium.org // Mark all computed expressions that are bound to a key that 1664e03fb64ef23331755b7986d2560bc4c00ba3e67bfschneider@chromium.org // is shadowed by a later occurrence of the same key. For the 1665e03fb64ef23331755b7986d2560bc4c00ba3e67bfschneider@chromium.org // marked expressions, no store code is emitted. 16667028c05c1c71b9d5c5fe1bca01f2461d17a2dda7mmassi@chromium.org expr->CalculateEmitStore(zone()); 1667e03fb64ef23331755b7986d2560bc4c00ba3e67bfschneider@chromium.org 16685a11aaf63fdb7843c9b116fdb84ee35b0a980ea6yangguo@chromium.org AccessorTable accessor_table(zone()); 1669b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org for (int i = 0; i < expr->properties()->length(); i++) { 1670b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org ObjectLiteral::Property* property = expr->properties()->at(i); 1671b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org if (property->IsCompileTimeValue()) continue; 1672b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 1673b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org Literal* key = property->key(); 1674b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org Expression* value = property->value(); 1675b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org if (!result_saved) { 1676763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(rax); // Save result on the stack 1677b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org result_saved = true; 1678b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org } 1679b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org switch (property->kind()) { 1680b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org case ObjectLiteral::Property::CONSTANT: 1681b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org UNREACHABLE(); 1682b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org case ObjectLiteral::Property::MATERIALIZED_LITERAL: 1683e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(!CompileTimeValue::IsCompileTimeValue(value)); 1684b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org // Fall through. 1685b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org case ObjectLiteral::Property::COMPUTED: 16861510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org if (key->value()->IsInternalizedString()) { 1687e03fb64ef23331755b7986d2560bc4c00ba3e67bfschneider@chromium.org if (property->emit_store()) { 168840cb878ef373bea9bdf7998829891e4096751dd0danno@chromium.org VisitForAccumulatorValue(value); 16899aaa825cf89e1bcfece269a453300ebf4a26d64dmachenbach@chromium.org DCHECK(StoreDescriptor::ValueRegister().is(rax)); 16909aaa825cf89e1bcfece269a453300ebf4a26d64dmachenbach@chromium.org __ Move(StoreDescriptor::NameRegister(), key->value()); 16919aaa825cf89e1bcfece269a453300ebf4a26d64dmachenbach@chromium.org __ movp(StoreDescriptor::ReceiverRegister(), Operand(rsp, 0)); 1692f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org CallStoreIC(key->LiteralFeedbackId()); 1693d2c22f0121ebc55ee26a9e742f0fd7c0b8397730kmillikin@chromium.org PrepareForBailoutForId(key->id(), NO_REGISTERS); 169440cb878ef373bea9bdf7998829891e4096751dd0danno@chromium.org } else { 169540cb878ef373bea9bdf7998829891e4096751dd0danno@chromium.org VisitForEffect(value); 1696e03fb64ef23331755b7986d2560bc4c00ba3e67bfschneider@chromium.org } 1697b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org break; 1698b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org } 1699763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(Operand(rsp, 0)); // Duplicate receiver. 17004a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org VisitForStackValue(key); 17014a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org VisitForStackValue(value); 1702e03fb64ef23331755b7986d2560bc4c00ba3e67bfschneider@chromium.org if (property->emit_store()) { 1703f15d0cdbef11a212e108432465f014a7d3c3aa12machenbach@chromium.org __ Push(Smi::FromInt(SLOPPY)); // Strict mode 1704f15d0cdbef11a212e108432465f014a7d3c3aa12machenbach@chromium.org __ CallRuntime(Runtime::kSetProperty, 4); 1705e03fb64ef23331755b7986d2560bc4c00ba3e67bfschneider@chromium.org } else { 1706e03fb64ef23331755b7986d2560bc4c00ba3e67bfschneider@chromium.org __ Drop(3); 1707e03fb64ef23331755b7986d2560bc4c00ba3e67bfschneider@chromium.org } 1708b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org break; 1709750145ab1b720c97adf2b548cc8fbd28c8b8e06dulan@chromium.org case ObjectLiteral::Property::PROTOTYPE: 1710763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(Operand(rsp, 0)); // Duplicate receiver. 1711750145ab1b720c97adf2b548cc8fbd28c8b8e06dulan@chromium.org VisitForStackValue(value); 1712750145ab1b720c97adf2b548cc8fbd28c8b8e06dulan@chromium.org if (property->emit_store()) { 1713750145ab1b720c97adf2b548cc8fbd28c8b8e06dulan@chromium.org __ CallRuntime(Runtime::kSetPrototype, 2); 1714750145ab1b720c97adf2b548cc8fbd28c8b8e06dulan@chromium.org } else { 1715750145ab1b720c97adf2b548cc8fbd28c8b8e06dulan@chromium.org __ Drop(2); 1716750145ab1b720c97adf2b548cc8fbd28c8b8e06dulan@chromium.org } 1717750145ab1b720c97adf2b548cc8fbd28c8b8e06dulan@chromium.org break; 1718b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org case ObjectLiteral::Property::GETTER: 17192c067b150f65db3e076b6b5a813e7f6f2492f770rossberg@chromium.org accessor_table.lookup(key)->second->getter = value; 17202c067b150f65db3e076b6b5a813e7f6f2492f770rossberg@chromium.org break; 17212c067b150f65db3e076b6b5a813e7f6f2492f770rossberg@chromium.org case ObjectLiteral::Property::SETTER: 17222c067b150f65db3e076b6b5a813e7f6f2492f770rossberg@chromium.org accessor_table.lookup(key)->second->setter = value; 1723b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org break; 1724b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org } 1725b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org } 1726b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 17272c067b150f65db3e076b6b5a813e7f6f2492f770rossberg@chromium.org // Emit code to define accessors, using only a single call to the runtime for 17282c067b150f65db3e076b6b5a813e7f6f2492f770rossberg@chromium.org // each pair of corresponding getters and setters. 17292c067b150f65db3e076b6b5a813e7f6f2492f770rossberg@chromium.org for (AccessorTable::Iterator it = accessor_table.begin(); 17302c067b150f65db3e076b6b5a813e7f6f2492f770rossberg@chromium.org it != accessor_table.end(); 17312c067b150f65db3e076b6b5a813e7f6f2492f770rossberg@chromium.org ++it) { 1732763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(Operand(rsp, 0)); // Duplicate receiver. 17332c067b150f65db3e076b6b5a813e7f6f2492f770rossberg@chromium.org VisitForStackValue(it->first); 17342c067b150f65db3e076b6b5a813e7f6f2492f770rossberg@chromium.org EmitAccessor(it->second->getter); 17352c067b150f65db3e076b6b5a813e7f6f2492f770rossberg@chromium.org EmitAccessor(it->second->setter); 17362c067b150f65db3e076b6b5a813e7f6f2492f770rossberg@chromium.org __ Push(Smi::FromInt(NONE)); 1737248dd43badb99ffce44eae2d767cda3cefaad521machenbach@chromium.org __ CallRuntime(Runtime::kDefineAccessorPropertyUnchecked, 5); 17382c067b150f65db3e076b6b5a813e7f6f2492f770rossberg@chromium.org } 17392c067b150f65db3e076b6b5a813e7f6f2492f770rossberg@chromium.org 1740ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org if (expr->has_function()) { 1741e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(result_saved); 1742763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(Operand(rsp, 0)); 1743ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org __ CallRuntime(Runtime::kToFastProperties, 1); 1744ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org } 1745ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org 1746b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org if (result_saved) { 17474a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org context()->PlugTOS(); 1748b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org } else { 17494a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org context()->Plug(rax); 1750b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org } 1751b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org} 1752b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 1753b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 1754b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.orgvoid FullCodeGenerator::VisitArrayLiteral(ArrayLiteral* expr) { 1755b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org Comment cmnt(masm_, "[ ArrayLiteral"); 17569dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 17577ff7607c2315ea91e4d13330ce14125e4bb4851amachenbach@chromium.org expr->BuildConstantElements(isolate()); 175837be408adf363bbe682921a4a690752fa0ec33femachenbach@chromium.org int flags = expr->depth() == 1 175937be408adf363bbe682921a4a690752fa0ec33femachenbach@chromium.org ? ArrayLiteral::kShallowElements 176037be408adf363bbe682921a4a690752fa0ec33femachenbach@chromium.org : ArrayLiteral::kNoFlags; 176137be408adf363bbe682921a4a690752fa0ec33femachenbach@chromium.org 17629dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com ZoneList<Expression*>* subexprs = expr->values(); 17639dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com int length = subexprs->length(); 1764394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com Handle<FixedArray> constant_elements = expr->constant_elements(); 1765e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK_EQ(2, constant_elements->length()); 1766394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com ElementsKind constant_elements_kind = 1767394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com static_cast<ElementsKind>(Smi::cast(constant_elements->get(0))->value()); 1768830d30c478be03b0ac560f4002833ab141e41effsvenpanne@chromium.org bool has_constant_fast_elements = 1769830d30c478be03b0ac560f4002833ab141e41effsvenpanne@chromium.org IsFastObjectElementsKind(constant_elements_kind); 1770394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com Handle<FixedArrayBase> constant_elements_values( 1771394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com FixedArrayBase::cast(constant_elements->get(1))); 17729dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 17739cbaabda8b4daeb06759ace10c926ab55bb69d7bulan@chromium.org AllocationSiteMode allocation_site_mode = TRACK_ALLOCATION_SITE; 1774c86e8c29eea534916f0d6a2a285b65a86d1b3b67machenbach@chromium.org if (has_constant_fast_elements && !FLAG_allocation_site_pretenuring) { 1775c86e8c29eea534916f0d6a2a285b65a86d1b3b67machenbach@chromium.org // If the only customer of allocation sites is transitioning, then 1776c86e8c29eea534916f0d6a2a285b65a86d1b3b67machenbach@chromium.org // we can turn it off if we don't have anywhere else to transition to. 1777c86e8c29eea534916f0d6a2a285b65a86d1b3b67machenbach@chromium.org allocation_site_mode = DONT_TRACK_ALLOCATION_SITE; 1778c86e8c29eea534916f0d6a2a285b65a86d1b3b67machenbach@chromium.org } 1779c86e8c29eea534916f0d6a2a285b65a86d1b3b67machenbach@chromium.org 1780e31b63e9608909e17e35a3330b0075140af2fe91machenbach@chromium.org if (expr->depth() > 1 || length > JSObject::kInitialMaxFastElementArray) { 178143c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rbx, Operand(rbp, JavaScriptFrameConstants::kFunctionOffset)); 1782763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(FieldOperand(rbx, JSFunction::kLiteralsOffset)); 1783e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org __ Push(Smi::FromInt(expr->literal_index())); 1784e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org __ Push(constant_elements); 178537be408adf363bbe682921a4a690752fa0ec33femachenbach@chromium.org __ Push(Smi::FromInt(flags)); 178647390597afd6b17870f41dfb5dd8c057aea1f068machenbach@chromium.org __ CallRuntime(Runtime::kCreateArrayLiteral, 4); 17879dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com } else { 178843c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rbx, Operand(rbp, JavaScriptFrameConstants::kFunctionOffset)); 178943c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rax, FieldOperand(rbx, JSFunction::kLiteralsOffset)); 1790e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org __ Move(rbx, Smi::FromInt(expr->literal_index())); 1791e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org __ Move(rcx, constant_elements); 1792a3b66334e4dd35d9d4874d275ef9c4a756f0225cmachenbach@chromium.org FastCloneShallowArrayStub stub(isolate(), allocation_site_mode); 17939dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ CallStub(&stub); 1794b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org } 1795b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 1796b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org bool result_saved = false; // Is the result saved to the stack? 1797b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 1798b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org // Emit code to evaluate all the non-constant subexpressions and to store 1799b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org // them into the newly cloned array. 18009dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com for (int i = 0; i < length; i++) { 1801b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org Expression* subexpr = subexprs->at(i); 1802b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org // If the subexpression is a literal or a simple materialized literal it 1803b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org // is already set in the cloned array. 18041510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org if (CompileTimeValue::IsCompileTimeValue(subexpr)) continue; 1805b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 1806b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org if (!result_saved) { 1807763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(rax); // array literal 1808b752d4061aaeb7d6a6ec368607871789d54b0207dslomov@chromium.org __ Push(Smi::FromInt(expr->literal_index())); 1809b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org result_saved = true; 1810b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org } 18114a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org VisitForAccumulatorValue(subexpr); 1812b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 1813830d30c478be03b0ac560f4002833ab141e41effsvenpanne@chromium.org if (IsFastObjectElementsKind(constant_elements_kind)) { 1814830d30c478be03b0ac560f4002833ab141e41effsvenpanne@chromium.org // Fast-case array literal with ElementsKind of FAST_*_ELEMENTS, they 1815830d30c478be03b0ac560f4002833ab141e41effsvenpanne@chromium.org // cannot transition and don't need to call the runtime stub. 18161b3afd1cab9087ca3c4e585d3da77d374d65c082mstarzinger@chromium.org int offset = FixedArray::kHeaderSize + (i * kPointerSize); 181743c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rbx, Operand(rsp, kPointerSize)); // Copy of array literal. 181843c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rbx, FieldOperand(rbx, JSObject::kElementsOffset)); 18191b3afd1cab9087ca3c4e585d3da77d374d65c082mstarzinger@chromium.org // Store the subexpression value in the array's elements. 182043c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(FieldOperand(rbx, offset), result_register()); 18211b3afd1cab9087ca3c4e585d3da77d374d65c082mstarzinger@chromium.org // Update the write barrier for the array store. 18221b3afd1cab9087ca3c4e585d3da77d374d65c082mstarzinger@chromium.org __ RecordWriteField(rbx, offset, result_register(), rcx, 18231b3afd1cab9087ca3c4e585d3da77d374d65c082mstarzinger@chromium.org kDontSaveFPRegs, 18241b3afd1cab9087ca3c4e585d3da77d374d65c082mstarzinger@chromium.org EMIT_REMEMBERED_SET, 18251b3afd1cab9087ca3c4e585d3da77d374d65c082mstarzinger@chromium.org INLINE_SMI_CHECK); 18261b3afd1cab9087ca3c4e585d3da77d374d65c082mstarzinger@chromium.org } else { 18271b3afd1cab9087ca3c4e585d3da77d374d65c082mstarzinger@chromium.org // Store the subexpression value in the array's elements. 18281b3afd1cab9087ca3c4e585d3da77d374d65c082mstarzinger@chromium.org __ Move(rcx, Smi::FromInt(i)); 1829f2f0489407bbb5e50d16ae791442df29513b53b5machenbach@chromium.org StoreArrayLiteralElementStub stub(isolate()); 18301b3afd1cab9087ca3c4e585d3da77d374d65c082mstarzinger@chromium.org __ CallStub(&stub); 18311b3afd1cab9087ca3c4e585d3da77d374d65c082mstarzinger@chromium.org } 1832d2c22f0121ebc55ee26a9e742f0fd7c0b8397730kmillikin@chromium.org 1833d2c22f0121ebc55ee26a9e742f0fd7c0b8397730kmillikin@chromium.org PrepareForBailoutForId(expr->GetIdForElement(i), NO_REGISTERS); 1834b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org } 1835b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 1836b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org if (result_saved) { 1837fa0c3c69b9d632e5730bdd9c745c375beef5e54dmachenbach@chromium.org __ addp(rsp, Immediate(kPointerSize)); // literal index 18384a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org context()->PlugTOS(); 1839b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org } else { 18404a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org context()->Plug(rax); 1841b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org } 1842b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org} 1843b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 1844b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 18455c838251403b0be9a882540f1922577abba4c872ager@chromium.orgvoid FullCodeGenerator::VisitAssignment(Assignment* expr) { 1846e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(expr->target()->IsValidReferenceExpression()); 18472904d1a42292be3056c2dd3f98822f8e1470fa72machenbach@chromium.org 18485c838251403b0be9a882540f1922577abba4c872ager@chromium.org Comment cmnt(masm_, "[ Assignment"); 18499dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 18505c838251403b0be9a882540f1922577abba4c872ager@chromium.org // Left-hand side can only be a property, a global or a (parameter or local) 18517b26015ac58e54e88f4214e248f772ad4f055477whesse@chromium.org // slot. 18525c838251403b0be9a882540f1922577abba4c872ager@chromium.org enum LhsKind { VARIABLE, NAMED_PROPERTY, KEYED_PROPERTY }; 18535c838251403b0be9a882540f1922577abba4c872ager@chromium.org LhsKind assign_type = VARIABLE; 1854d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org Property* property = expr->target()->AsProperty(); 1855d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org if (property != NULL) { 1856d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org assign_type = (property->key()->IsPropertyName()) 1857d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org ? NAMED_PROPERTY 1858d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org : KEYED_PROPERTY; 18595c838251403b0be9a882540f1922577abba4c872ager@chromium.org } 18605c838251403b0be9a882540f1922577abba4c872ager@chromium.org 18615c838251403b0be9a882540f1922577abba4c872ager@chromium.org // Evaluate LHS expression. 18625c838251403b0be9a882540f1922577abba4c872ager@chromium.org switch (assign_type) { 18635c838251403b0be9a882540f1922577abba4c872ager@chromium.org case VARIABLE: 18645c838251403b0be9a882540f1922577abba4c872ager@chromium.org // Nothing to do here. 18655c838251403b0be9a882540f1922577abba4c872ager@chromium.org break; 18665c838251403b0be9a882540f1922577abba4c872ager@chromium.org case NAMED_PROPERTY: 18675c838251403b0be9a882540f1922577abba4c872ager@chromium.org if (expr->is_compound()) { 18685de0074a922429f5e0ec2cf140c2d2989bf88140yangguo@chromium.org // We need the receiver both on the stack and in the register. 18695de0074a922429f5e0ec2cf140c2d2989bf88140yangguo@chromium.org VisitForStackValue(property->obj()); 18709aaa825cf89e1bcfece269a453300ebf4a26d64dmachenbach@chromium.org __ movp(LoadDescriptor::ReceiverRegister(), Operand(rsp, 0)); 18715c838251403b0be9a882540f1922577abba4c872ager@chromium.org } else { 18724a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org VisitForStackValue(property->obj()); 18735c838251403b0be9a882540f1922577abba4c872ager@chromium.org } 18745c838251403b0be9a882540f1922577abba4c872ager@chromium.org break; 1875d2c22f0121ebc55ee26a9e742f0fd7c0b8397730kmillikin@chromium.org case KEYED_PROPERTY: { 18769dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com if (expr->is_compound()) { 18777b26015ac58e54e88f4214e248f772ad4f055477whesse@chromium.org VisitForStackValue(property->obj()); 18785de0074a922429f5e0ec2cf140c2d2989bf88140yangguo@chromium.org VisitForStackValue(property->key()); 18799aaa825cf89e1bcfece269a453300ebf4a26d64dmachenbach@chromium.org __ movp(LoadDescriptor::ReceiverRegister(), Operand(rsp, kPointerSize)); 18809aaa825cf89e1bcfece269a453300ebf4a26d64dmachenbach@chromium.org __ movp(LoadDescriptor::NameRegister(), Operand(rsp, 0)); 18819dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com } else { 18827b26015ac58e54e88f4214e248f772ad4f055477whesse@chromium.org VisitForStackValue(property->obj()); 18837b26015ac58e54e88f4214e248f772ad4f055477whesse@chromium.org VisitForStackValue(property->key()); 18849dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com } 18855c838251403b0be9a882540f1922577abba4c872ager@chromium.org break; 1886d2c22f0121ebc55ee26a9e742f0fd7c0b8397730kmillikin@chromium.org } 18875c838251403b0be9a882540f1922577abba4c872ager@chromium.org } 18885c838251403b0be9a882540f1922577abba4c872ager@chromium.org 1889c36ce6e8979bbbd43539f0a0effc87ea20dd65cckmillikin@chromium.org // For compound assignments we need another deoptimization point after the 1890c36ce6e8979bbbd43539f0a0effc87ea20dd65cckmillikin@chromium.org // variable/property load. 18915c838251403b0be9a882540f1922577abba4c872ager@chromium.org if (expr->is_compound()) { 18924a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org { AccumulatorValueContext context(this); 18934a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org switch (assign_type) { 18944a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org case VARIABLE: 1895030d38ee536bc25856546e75fdac60d1a0c42bddwhesse@chromium.org EmitVariableLoad(expr->target()->AsVariableProxy()); 1896c36ce6e8979bbbd43539f0a0effc87ea20dd65cckmillikin@chromium.org PrepareForBailout(expr->target(), TOS_REG); 18974a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org break; 18984a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org case NAMED_PROPERTY: 18994a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org EmitNamedPropertyLoad(property); 1900471f2f1d24adb4bad1edc3bf0ee35092486de187mstarzinger@chromium.org PrepareForBailoutForId(property->LoadId(), TOS_REG); 19014a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org break; 19024a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org case KEYED_PROPERTY: 19034a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org EmitKeyedPropertyLoad(property); 1904471f2f1d24adb4bad1edc3bf0ee35092486de187mstarzinger@chromium.org PrepareForBailoutForId(property->LoadId(), TOS_REG); 19054a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org break; 19064a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org } 19075c838251403b0be9a882540f1922577abba4c872ager@chromium.org } 19085c838251403b0be9a882540f1922577abba4c872ager@chromium.org 1909d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org Token::Value op = expr->binary_op(); 1910763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(rax); // Left operand goes on the stack. 19119ee27ae43ab88e9bb6417ff9e27af64e0cf13729ager@chromium.org VisitForAccumulatorValue(expr->value()); 19125c838251403b0be9a882540f1922577abba4c872ager@chromium.org 191365fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org OverwriteMode mode = expr->value()->ResultOverwriteAllowed() 191465fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org ? OVERWRITE_RIGHT 191565fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org : NO_OVERWRITE; 1916d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org SetSourcePosition(expr->position() + 1); 19174a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org AccumulatorValueContext context(this); 1918d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org if (ShouldInlineSmiCase(op)) { 19198e8294a88dc7d58f579aee0ba08c19fc8a616e2dsgjesse@chromium.org EmitInlineSmiBinaryOp(expr->binary_operation(), 1920d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org op, 1921d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org mode, 1922d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org expr->target(), 19239ee27ae43ab88e9bb6417ff9e27af64e0cf13729ager@chromium.org expr->value()); 1924d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org } else { 19258e8294a88dc7d58f579aee0ba08c19fc8a616e2dsgjesse@chromium.org EmitBinaryOp(expr->binary_operation(), op, mode); 1926d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org } 1927d2c22f0121ebc55ee26a9e742f0fd7c0b8397730kmillikin@chromium.org // Deoptimization point in case the binary operation may have side effects. 1928d2c22f0121ebc55ee26a9e742f0fd7c0b8397730kmillikin@chromium.org PrepareForBailout(expr->binary_operation(), TOS_REG); 1929d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org } else { 19304a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org VisitForAccumulatorValue(expr->value()); 19315c838251403b0be9a882540f1922577abba4c872ager@chromium.org } 19325c838251403b0be9a882540f1922577abba4c872ager@chromium.org 19335c838251403b0be9a882540f1922577abba4c872ager@chromium.org // Record source position before possible IC call. 19345c838251403b0be9a882540f1922577abba4c872ager@chromium.org SetSourcePosition(expr->position()); 19355c838251403b0be9a882540f1922577abba4c872ager@chromium.org 19365c838251403b0be9a882540f1922577abba4c872ager@chromium.org // Store the value. 19375c838251403b0be9a882540f1922577abba4c872ager@chromium.org switch (assign_type) { 19385c838251403b0be9a882540f1922577abba4c872ager@chromium.org case VARIABLE: 19395c838251403b0be9a882540f1922577abba4c872ager@chromium.org EmitVariableAssignment(expr->target()->AsVariableProxy()->var(), 19404a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org expr->op()); 1941d2c22f0121ebc55ee26a9e742f0fd7c0b8397730kmillikin@chromium.org PrepareForBailoutForId(expr->AssignmentId(), TOS_REG); 19425f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.org context()->Plug(rax); 19435c838251403b0be9a882540f1922577abba4c872ager@chromium.org break; 19445c838251403b0be9a882540f1922577abba4c872ager@chromium.org case NAMED_PROPERTY: 19455c838251403b0be9a882540f1922577abba4c872ager@chromium.org EmitNamedPropertyAssignment(expr); 19465c838251403b0be9a882540f1922577abba4c872ager@chromium.org break; 19475c838251403b0be9a882540f1922577abba4c872ager@chromium.org case KEYED_PROPERTY: 19485c838251403b0be9a882540f1922577abba4c872ager@chromium.org EmitKeyedPropertyAssignment(expr); 19495c838251403b0be9a882540f1922577abba4c872ager@chromium.org break; 19505c838251403b0be9a882540f1922577abba4c872ager@chromium.org } 19515c838251403b0be9a882540f1922577abba4c872ager@chromium.org} 19525c838251403b0be9a882540f1922577abba4c872ager@chromium.org 19535c838251403b0be9a882540f1922577abba4c872ager@chromium.org 195477ca49ac05d25684c89442029c22f5b2bce94395ulan@chromium.orgvoid FullCodeGenerator::VisitYield(Yield* expr) { 195577ca49ac05d25684c89442029c22f5b2bce94395ulan@chromium.org Comment cmnt(masm_, "[ Yield"); 195677ca49ac05d25684c89442029c22f5b2bce94395ulan@chromium.org // Evaluate yielded value first; the initial iterator definition depends on 195777ca49ac05d25684c89442029c22f5b2bce94395ulan@chromium.org // this. It stays on the stack while we update the iterator. 195877ca49ac05d25684c89442029c22f5b2bce94395ulan@chromium.org VisitForStackValue(expr->expression()); 195977ca49ac05d25684c89442029c22f5b2bce94395ulan@chromium.org 196077ca49ac05d25684c89442029c22f5b2bce94395ulan@chromium.org switch (expr->yield_kind()) { 1961ada3a6017e603965f87fa34f6e2fa60379e8d697machenbach@chromium.org case Yield::kSuspend: 196241728483f231e098a8dd85f109b5a30e6ccc3c39danno@chromium.org // Pop value from top-of-stack slot; box result into result register. 196341728483f231e098a8dd85f109b5a30e6ccc3c39danno@chromium.org EmitCreateIteratorResult(false); 1964763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(result_register()); 196541728483f231e098a8dd85f109b5a30e6ccc3c39danno@chromium.org // Fall through. 1966ada3a6017e603965f87fa34f6e2fa60379e8d697machenbach@chromium.org case Yield::kInitial: { 19671510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org Label suspend, continuation, post_runtime, resume; 19681510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org 19691510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org __ jmp(&suspend); 19701510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org 19711510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org __ bind(&continuation); 19721510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org __ jmp(&resume); 19731510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org 19741510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org __ bind(&suspend); 19751510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org VisitForAccumulatorValue(expr->generator_object()); 1976e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(continuation.pos() > 0 && Smi::IsValid(continuation.pos())); 19771510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org __ Move(FieldOperand(rax, JSGeneratorObject::kContinuationOffset), 19781510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org Smi::FromInt(continuation.pos())); 197943c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(FieldOperand(rax, JSGeneratorObject::kContextOffset), rsi); 198043c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rcx, rsi); 19811510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org __ RecordWriteField(rax, JSGeneratorObject::kContextOffset, rcx, rdx, 19821510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org kDontSaveFPRegs); 1983895f00d1d8c5a7a7209c36d690688e3552de3df4machenbach@chromium.org __ leap(rbx, Operand(rbp, StandardFrameConstants::kExpressionsOffset)); 19847a1bfbe9bc8295770315c55f7ce40822b7951aabmachenbach@chromium.org __ cmpp(rsp, rbx); 19851510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org __ j(equal, &post_runtime); 1986763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(rax); // generator object 198747390597afd6b17870f41dfb5dd8c057aea1f068machenbach@chromium.org __ CallRuntime(Runtime::kSuspendJSGeneratorObject, 1); 198843c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(context_register(), 198977ca49ac05d25684c89442029c22f5b2bce94395ulan@chromium.org Operand(rbp, StandardFrameConstants::kContextOffset)); 19901510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org __ bind(&post_runtime); 199177ca49ac05d25684c89442029c22f5b2bce94395ulan@chromium.org 1992763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Pop(result_register()); 199341728483f231e098a8dd85f109b5a30e6ccc3c39danno@chromium.org EmitReturnSequence(); 199477ca49ac05d25684c89442029c22f5b2bce94395ulan@chromium.org 199577ca49ac05d25684c89442029c22f5b2bce94395ulan@chromium.org __ bind(&resume); 199677ca49ac05d25684c89442029c22f5b2bce94395ulan@chromium.org context()->Plug(result_register()); 199777ca49ac05d25684c89442029c22f5b2bce94395ulan@chromium.org break; 199877ca49ac05d25684c89442029c22f5b2bce94395ulan@chromium.org } 199977ca49ac05d25684c89442029c22f5b2bce94395ulan@chromium.org 2000ada3a6017e603965f87fa34f6e2fa60379e8d697machenbach@chromium.org case Yield::kFinal: { 200177ca49ac05d25684c89442029c22f5b2bce94395ulan@chromium.org VisitForAccumulatorValue(expr->generator_object()); 200277ca49ac05d25684c89442029c22f5b2bce94395ulan@chromium.org __ Move(FieldOperand(result_register(), 200377ca49ac05d25684c89442029c22f5b2bce94395ulan@chromium.org JSGeneratorObject::kContinuationOffset), 200477ca49ac05d25684c89442029c22f5b2bce94395ulan@chromium.org Smi::FromInt(JSGeneratorObject::kGeneratorClosed)); 200541728483f231e098a8dd85f109b5a30e6ccc3c39danno@chromium.org // Pop value from top-of-stack slot, box result into result register. 200641728483f231e098a8dd85f109b5a30e6ccc3c39danno@chromium.org EmitCreateIteratorResult(true); 200741728483f231e098a8dd85f109b5a30e6ccc3c39danno@chromium.org EmitUnwindBeforeReturn(); 200841728483f231e098a8dd85f109b5a30e6ccc3c39danno@chromium.org EmitReturnSequence(); 200977ca49ac05d25684c89442029c22f5b2bce94395ulan@chromium.org break; 201077ca49ac05d25684c89442029c22f5b2bce94395ulan@chromium.org } 201177ca49ac05d25684c89442029c22f5b2bce94395ulan@chromium.org 2012ada3a6017e603965f87fa34f6e2fa60379e8d697machenbach@chromium.org case Yield::kDelegating: { 20134e308cf00936c6e7bead43e5141a04e37b49b9b5jkummerow@chromium.org VisitForStackValue(expr->generator_object()); 20144e308cf00936c6e7bead43e5141a04e37b49b9b5jkummerow@chromium.org 20154e308cf00936c6e7bead43e5141a04e37b49b9b5jkummerow@chromium.org // Initial stack layout is as follows: 20164e308cf00936c6e7bead43e5141a04e37b49b9b5jkummerow@chromium.org // [sp + 1 * kPointerSize] iter 20174e308cf00936c6e7bead43e5141a04e37b49b9b5jkummerow@chromium.org // [sp + 0 * kPointerSize] g 20184e308cf00936c6e7bead43e5141a04e37b49b9b5jkummerow@chromium.org 20191510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org Label l_catch, l_try, l_suspend, l_continuation, l_resume; 20201510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org Label l_next, l_call, l_loop; 20219aaa825cf89e1bcfece269a453300ebf4a26d64dmachenbach@chromium.org Register load_receiver = LoadDescriptor::ReceiverRegister(); 20229aaa825cf89e1bcfece269a453300ebf4a26d64dmachenbach@chromium.org Register load_name = LoadDescriptor::NameRegister(); 20235de0074a922429f5e0ec2cf140c2d2989bf88140yangguo@chromium.org 20244e308cf00936c6e7bead43e5141a04e37b49b9b5jkummerow@chromium.org // Initial send value is undefined. 20254e308cf00936c6e7bead43e5141a04e37b49b9b5jkummerow@chromium.org __ LoadRoot(rax, Heap::kUndefinedValueRootIndex); 20268a00e82ec5c3dbedfd3dcb56996c7df2452da4a5verwaest@chromium.org __ jmp(&l_next); 20274e308cf00936c6e7bead43e5141a04e37b49b9b5jkummerow@chromium.org 2028f95d4b920abb640ab0986d138ad559a7d3b91d04danno@chromium.org // catch (e) { receiver = iter; f = 'throw'; arg = e; goto l_call; } 20294e308cf00936c6e7bead43e5141a04e37b49b9b5jkummerow@chromium.org __ bind(&l_catch); 20304e308cf00936c6e7bead43e5141a04e37b49b9b5jkummerow@chromium.org handler_table()->set(expr->index(), Smi::FromInt(l_catch.pos())); 20315de0074a922429f5e0ec2cf140c2d2989bf88140yangguo@chromium.org __ LoadRoot(load_name, Heap::kthrow_stringRootIndex); // "throw" 20325de0074a922429f5e0ec2cf140c2d2989bf88140yangguo@chromium.org __ Push(load_name); 20335de0074a922429f5e0ec2cf140c2d2989bf88140yangguo@chromium.org __ Push(Operand(rsp, 2 * kPointerSize)); // iter 20345de0074a922429f5e0ec2cf140c2d2989bf88140yangguo@chromium.org __ Push(rax); // exception 20354e308cf00936c6e7bead43e5141a04e37b49b9b5jkummerow@chromium.org __ jmp(&l_call); 20364e308cf00936c6e7bead43e5141a04e37b49b9b5jkummerow@chromium.org 2037f95d4b920abb640ab0986d138ad559a7d3b91d04danno@chromium.org // try { received = %yield result } 2038f95d4b920abb640ab0986d138ad559a7d3b91d04danno@chromium.org // Shuffle the received result above a try handler and yield it without 2039f95d4b920abb640ab0986d138ad559a7d3b91d04danno@chromium.org // re-boxing. 20404e308cf00936c6e7bead43e5141a04e37b49b9b5jkummerow@chromium.org __ bind(&l_try); 2041763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Pop(rax); // result 20424e308cf00936c6e7bead43e5141a04e37b49b9b5jkummerow@chromium.org __ PushTryHandler(StackHandler::CATCH, expr->index()); 20434e308cf00936c6e7bead43e5141a04e37b49b9b5jkummerow@chromium.org const int handler_size = StackHandlerConstants::kSize; 2044763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(rax); // result 20451510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org __ jmp(&l_suspend); 20461510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org __ bind(&l_continuation); 20471510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org __ jmp(&l_resume); 20481510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org __ bind(&l_suspend); 20491510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org const int generator_object_depth = kPointerSize + handler_size; 205043c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rax, Operand(rsp, generator_object_depth)); 2051763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(rax); // g 2052e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(l_continuation.pos() > 0 && Smi::IsValid(l_continuation.pos())); 20531510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org __ Move(FieldOperand(rax, JSGeneratorObject::kContinuationOffset), 20541510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org Smi::FromInt(l_continuation.pos())); 205543c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(FieldOperand(rax, JSGeneratorObject::kContextOffset), rsi); 205643c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rcx, rsi); 20571510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org __ RecordWriteField(rax, JSGeneratorObject::kContextOffset, rcx, rdx, 20581510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org kDontSaveFPRegs); 205947390597afd6b17870f41dfb5dd8c057aea1f068machenbach@chromium.org __ CallRuntime(Runtime::kSuspendJSGeneratorObject, 1); 206043c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(context_register(), 20614e308cf00936c6e7bead43e5141a04e37b49b9b5jkummerow@chromium.org Operand(rbp, StandardFrameConstants::kContextOffset)); 2062763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Pop(rax); // result 206341728483f231e098a8dd85f109b5a30e6ccc3c39danno@chromium.org EmitReturnSequence(); 20644e308cf00936c6e7bead43e5141a04e37b49b9b5jkummerow@chromium.org __ bind(&l_resume); // received in rax 20654e308cf00936c6e7bead43e5141a04e37b49b9b5jkummerow@chromium.org __ PopTryHandler(); 20664e308cf00936c6e7bead43e5141a04e37b49b9b5jkummerow@chromium.org 2067f95d4b920abb640ab0986d138ad559a7d3b91d04danno@chromium.org // receiver = iter; f = 'next'; arg = received; 20688a00e82ec5c3dbedfd3dcb56996c7df2452da4a5verwaest@chromium.org __ bind(&l_next); 2069248dd43badb99ffce44eae2d767cda3cefaad521machenbach@chromium.org 20705de0074a922429f5e0ec2cf140c2d2989bf88140yangguo@chromium.org __ LoadRoot(load_name, Heap::knext_stringRootIndex); 20715de0074a922429f5e0ec2cf140c2d2989bf88140yangguo@chromium.org __ Push(load_name); // "next" 20725de0074a922429f5e0ec2cf140c2d2989bf88140yangguo@chromium.org __ Push(Operand(rsp, 2 * kPointerSize)); // iter 20735de0074a922429f5e0ec2cf140c2d2989bf88140yangguo@chromium.org __ Push(rax); // received 20744e308cf00936c6e7bead43e5141a04e37b49b9b5jkummerow@chromium.org 2075f95d4b920abb640ab0986d138ad559a7d3b91d04danno@chromium.org // result = receiver[f](arg); 20764e308cf00936c6e7bead43e5141a04e37b49b9b5jkummerow@chromium.org __ bind(&l_call); 20775de0074a922429f5e0ec2cf140c2d2989bf88140yangguo@chromium.org __ movp(load_receiver, Operand(rsp, kPointerSize)); 20789d1a7a8cdb664730cf5703185e85a4716748c564machenbach@chromium.org if (FLAG_vector_ics) { 20799aaa825cf89e1bcfece269a453300ebf4a26d64dmachenbach@chromium.org __ Move(VectorLoadICDescriptor::SlotRegister(), 20809d1a7a8cdb664730cf5703185e85a4716748c564machenbach@chromium.org Smi::FromInt(expr->KeyedLoadFeedbackSlot())); 20819d1a7a8cdb664730cf5703185e85a4716748c564machenbach@chromium.org } 20826313e220249748eb26e1ddcee2bbe857fef03b42machenbach@chromium.org Handle<Code> ic = CodeFactory::KeyedLoadIC(isolate()).code(); 2083f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org CallIC(ic, TypeFeedbackId::None()); 2084a03ba1e53fa6a04b8e56747536f226380bb6269bmachenbach@chromium.org __ movp(rdi, rax); 2085a03ba1e53fa6a04b8e56747536f226380bb6269bmachenbach@chromium.org __ movp(Operand(rsp, 2 * kPointerSize), rdi); 2086f2f0489407bbb5e50d16ae791442df29513b53b5machenbach@chromium.org CallFunctionStub stub(isolate(), 1, CALL_AS_METHOD); 2087a03ba1e53fa6a04b8e56747536f226380bb6269bmachenbach@chromium.org __ CallStub(&stub); 2088a03ba1e53fa6a04b8e56747536f226380bb6269bmachenbach@chromium.org 208943c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rsi, Operand(rbp, StandardFrameConstants::kContextOffset)); 2090a03ba1e53fa6a04b8e56747536f226380bb6269bmachenbach@chromium.org __ Drop(1); // The function is still on the stack; drop it. 20914e308cf00936c6e7bead43e5141a04e37b49b9b5jkummerow@chromium.org 2092f95d4b920abb640ab0986d138ad559a7d3b91d04danno@chromium.org // if (!result.done) goto l_try; 20934e308cf00936c6e7bead43e5141a04e37b49b9b5jkummerow@chromium.org __ bind(&l_loop); 20945de0074a922429f5e0ec2cf140c2d2989bf88140yangguo@chromium.org __ Move(load_receiver, rax); 2095248dd43badb99ffce44eae2d767cda3cefaad521machenbach@chromium.org __ Push(load_receiver); // save result 2096248dd43badb99ffce44eae2d767cda3cefaad521machenbach@chromium.org __ LoadRoot(load_name, Heap::kdone_stringRootIndex); // "done" 20979d1a7a8cdb664730cf5703185e85a4716748c564machenbach@chromium.org if (FLAG_vector_ics) { 20989aaa825cf89e1bcfece269a453300ebf4a26d64dmachenbach@chromium.org __ Move(VectorLoadICDescriptor::SlotRegister(), 2099fa7f914e3bacba481b13da5cf2bc4c935567ebc4machenbach@chromium.org Smi::FromInt(expr->DoneFeedbackSlot())); 21009d1a7a8cdb664730cf5703185e85a4716748c564machenbach@chromium.org } 2101248dd43badb99ffce44eae2d767cda3cefaad521machenbach@chromium.org CallLoadIC(NOT_CONTEXTUAL); // rax=result.done 2102b99c75496e05b4cd58815ada1e39e6029130d11crossberg@chromium.org Handle<Code> bool_ic = ToBooleanStub::GetUninitialized(isolate()); 2103b99c75496e05b4cd58815ada1e39e6029130d11crossberg@chromium.org CallIC(bool_ic); 21047a1bfbe9bc8295770315c55f7ce40822b7951aabmachenbach@chromium.org __ testp(result_register(), result_register()); 21054e308cf00936c6e7bead43e5141a04e37b49b9b5jkummerow@chromium.org __ j(zero, &l_try); 21064e308cf00936c6e7bead43e5141a04e37b49b9b5jkummerow@chromium.org 21074e308cf00936c6e7bead43e5141a04e37b49b9b5jkummerow@chromium.org // result.value 2108248dd43badb99ffce44eae2d767cda3cefaad521machenbach@chromium.org __ Pop(load_receiver); // result 2109248dd43badb99ffce44eae2d767cda3cefaad521machenbach@chromium.org __ LoadRoot(load_name, Heap::kvalue_stringRootIndex); // "value" 21109d1a7a8cdb664730cf5703185e85a4716748c564machenbach@chromium.org if (FLAG_vector_ics) { 21119aaa825cf89e1bcfece269a453300ebf4a26d64dmachenbach@chromium.org __ Move(VectorLoadICDescriptor::SlotRegister(), 21129d1a7a8cdb664730cf5703185e85a4716748c564machenbach@chromium.org Smi::FromInt(expr->ValueFeedbackSlot())); 21139d1a7a8cdb664730cf5703185e85a4716748c564machenbach@chromium.org } 21149cbaabda8b4daeb06759ace10c926ab55bb69d7bulan@chromium.org CallLoadIC(NOT_CONTEXTUAL); // result.value in rax 21154e308cf00936c6e7bead43e5141a04e37b49b9b5jkummerow@chromium.org context()->DropAndPlug(2, rax); // drop iter and g 21164e308cf00936c6e7bead43e5141a04e37b49b9b5jkummerow@chromium.org break; 21174e308cf00936c6e7bead43e5141a04e37b49b9b5jkummerow@chromium.org } 211877ca49ac05d25684c89442029c22f5b2bce94395ulan@chromium.org } 211977ca49ac05d25684c89442029c22f5b2bce94395ulan@chromium.org} 212077ca49ac05d25684c89442029c22f5b2bce94395ulan@chromium.org 212177ca49ac05d25684c89442029c22f5b2bce94395ulan@chromium.org 2122ca29dd85fa02449d17188f5a6ff9a7cdf2ad9680danno@chromium.orgvoid FullCodeGenerator::EmitGeneratorResume(Expression *generator, 2123ca29dd85fa02449d17188f5a6ff9a7cdf2ad9680danno@chromium.org Expression *value, 2124ca29dd85fa02449d17188f5a6ff9a7cdf2ad9680danno@chromium.org JSGeneratorObject::ResumeMode resume_mode) { 2125ca29dd85fa02449d17188f5a6ff9a7cdf2ad9680danno@chromium.org // The value stays in rax, and is ultimately read by the resumed generator, as 212647390597afd6b17870f41dfb5dd8c057aea1f068machenbach@chromium.org // if CallRuntime(Runtime::kSuspendJSGeneratorObject) returned it. Or it 2127e31286d471eb2e656a1809383fa16b76053dd673machenbach@chromium.org // is read to throw the value when the resumed generator is already closed. 2128e31286d471eb2e656a1809383fa16b76053dd673machenbach@chromium.org // rbx will hold the generator object until the activation has been resumed. 2129ca29dd85fa02449d17188f5a6ff9a7cdf2ad9680danno@chromium.org VisitForStackValue(generator); 2130ca29dd85fa02449d17188f5a6ff9a7cdf2ad9680danno@chromium.org VisitForAccumulatorValue(value); 2131763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Pop(rbx); 2132ca29dd85fa02449d17188f5a6ff9a7cdf2ad9680danno@chromium.org 2133ca29dd85fa02449d17188f5a6ff9a7cdf2ad9680danno@chromium.org // Check generator state. 2134e31286d471eb2e656a1809383fa16b76053dd673machenbach@chromium.org Label wrong_state, closed_state, done; 2135e31286d471eb2e656a1809383fa16b76053dd673machenbach@chromium.org STATIC_ASSERT(JSGeneratorObject::kGeneratorExecuting < 0); 2136e31286d471eb2e656a1809383fa16b76053dd673machenbach@chromium.org STATIC_ASSERT(JSGeneratorObject::kGeneratorClosed == 0); 2137ca29dd85fa02449d17188f5a6ff9a7cdf2ad9680danno@chromium.org __ SmiCompare(FieldOperand(rbx, JSGeneratorObject::kContinuationOffset), 2138ca29dd85fa02449d17188f5a6ff9a7cdf2ad9680danno@chromium.org Smi::FromInt(0)); 2139e31286d471eb2e656a1809383fa16b76053dd673machenbach@chromium.org __ j(equal, &closed_state); 2140e31286d471eb2e656a1809383fa16b76053dd673machenbach@chromium.org __ j(less, &wrong_state); 2141ca29dd85fa02449d17188f5a6ff9a7cdf2ad9680danno@chromium.org 2142ca29dd85fa02449d17188f5a6ff9a7cdf2ad9680danno@chromium.org // Load suspended function and context. 214343c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rsi, FieldOperand(rbx, JSGeneratorObject::kContextOffset)); 214443c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rdi, FieldOperand(rbx, JSGeneratorObject::kFunctionOffset)); 2145ca29dd85fa02449d17188f5a6ff9a7cdf2ad9680danno@chromium.org 2146ca29dd85fa02449d17188f5a6ff9a7cdf2ad9680danno@chromium.org // Push receiver. 2147763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(FieldOperand(rbx, JSGeneratorObject::kReceiverOffset)); 2148ca29dd85fa02449d17188f5a6ff9a7cdf2ad9680danno@chromium.org 2149ca29dd85fa02449d17188f5a6ff9a7cdf2ad9680danno@chromium.org // Push holes for arguments to generator function. 215043c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rdx, FieldOperand(rdi, JSFunction::kSharedFunctionInfoOffset)); 215104a34e6171ac922cb1a4c5162cf471809c468ad0machenbach@chromium.org __ LoadSharedFunctionInfoSpecialField(rdx, rdx, 215204a34e6171ac922cb1a4c5162cf471809c468ad0machenbach@chromium.org SharedFunctionInfo::kFormalParameterCountOffset); 2153ca29dd85fa02449d17188f5a6ff9a7cdf2ad9680danno@chromium.org __ LoadRoot(rcx, Heap::kTheHoleValueRootIndex); 2154ca29dd85fa02449d17188f5a6ff9a7cdf2ad9680danno@chromium.org Label push_argument_holes, push_frame; 2155ca29dd85fa02449d17188f5a6ff9a7cdf2ad9680danno@chromium.org __ bind(&push_argument_holes); 2156fa0c3c69b9d632e5730bdd9c745c375beef5e54dmachenbach@chromium.org __ subp(rdx, Immediate(1)); 2157ca29dd85fa02449d17188f5a6ff9a7cdf2ad9680danno@chromium.org __ j(carry, &push_frame); 2158763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(rcx); 2159ca29dd85fa02449d17188f5a6ff9a7cdf2ad9680danno@chromium.org __ jmp(&push_argument_holes); 2160ca29dd85fa02449d17188f5a6ff9a7cdf2ad9680danno@chromium.org 2161ca29dd85fa02449d17188f5a6ff9a7cdf2ad9680danno@chromium.org // Enter a new JavaScript frame, and initialize its slots as they were when 2162ca29dd85fa02449d17188f5a6ff9a7cdf2ad9680danno@chromium.org // the generator was suspended. 2163ca29dd85fa02449d17188f5a6ff9a7cdf2ad9680danno@chromium.org Label resume_frame; 2164ca29dd85fa02449d17188f5a6ff9a7cdf2ad9680danno@chromium.org __ bind(&push_frame); 2165ca29dd85fa02449d17188f5a6ff9a7cdf2ad9680danno@chromium.org __ call(&resume_frame); 2166ca29dd85fa02449d17188f5a6ff9a7cdf2ad9680danno@chromium.org __ jmp(&done); 2167ca29dd85fa02449d17188f5a6ff9a7cdf2ad9680danno@chromium.org __ bind(&resume_frame); 2168763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ pushq(rbp); // Caller's frame pointer. 216943c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rbp, rsp); 2170763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(rsi); // Callee's context. 2171763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(rdi); // Callee's JS Function. 2172ca29dd85fa02449d17188f5a6ff9a7cdf2ad9680danno@chromium.org 2173ca29dd85fa02449d17188f5a6ff9a7cdf2ad9680danno@chromium.org // Load the operand stack size. 217443c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rdx, FieldOperand(rbx, JSGeneratorObject::kOperandStackOffset)); 217543c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rdx, FieldOperand(rdx, FixedArray::kLengthOffset)); 2176ca29dd85fa02449d17188f5a6ff9a7cdf2ad9680danno@chromium.org __ SmiToInteger32(rdx, rdx); 2177ca29dd85fa02449d17188f5a6ff9a7cdf2ad9680danno@chromium.org 2178ca29dd85fa02449d17188f5a6ff9a7cdf2ad9680danno@chromium.org // If we are sending a value and there is no operand stack, we can jump back 2179ca29dd85fa02449d17188f5a6ff9a7cdf2ad9680danno@chromium.org // in directly. 21808a00e82ec5c3dbedfd3dcb56996c7df2452da4a5verwaest@chromium.org if (resume_mode == JSGeneratorObject::NEXT) { 2181ca29dd85fa02449d17188f5a6ff9a7cdf2ad9680danno@chromium.org Label slow_resume; 21827a1bfbe9bc8295770315c55f7ce40822b7951aabmachenbach@chromium.org __ cmpp(rdx, Immediate(0)); 2183ca29dd85fa02449d17188f5a6ff9a7cdf2ad9680danno@chromium.org __ j(not_zero, &slow_resume); 218443c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rdx, FieldOperand(rdi, JSFunction::kCodeEntryOffset)); 2185ca29dd85fa02449d17188f5a6ff9a7cdf2ad9680danno@chromium.org __ SmiToInteger64(rcx, 2186ca29dd85fa02449d17188f5a6ff9a7cdf2ad9680danno@chromium.org FieldOperand(rbx, JSGeneratorObject::kContinuationOffset)); 2187fa0c3c69b9d632e5730bdd9c745c375beef5e54dmachenbach@chromium.org __ addp(rdx, rcx); 2188ca29dd85fa02449d17188f5a6ff9a7cdf2ad9680danno@chromium.org __ Move(FieldOperand(rbx, JSGeneratorObject::kContinuationOffset), 2189ca29dd85fa02449d17188f5a6ff9a7cdf2ad9680danno@chromium.org Smi::FromInt(JSGeneratorObject::kGeneratorExecuting)); 2190ca29dd85fa02449d17188f5a6ff9a7cdf2ad9680danno@chromium.org __ jmp(rdx); 2191ca29dd85fa02449d17188f5a6ff9a7cdf2ad9680danno@chromium.org __ bind(&slow_resume); 2192ca29dd85fa02449d17188f5a6ff9a7cdf2ad9680danno@chromium.org } 2193ca29dd85fa02449d17188f5a6ff9a7cdf2ad9680danno@chromium.org 2194ca29dd85fa02449d17188f5a6ff9a7cdf2ad9680danno@chromium.org // Otherwise, we push holes for the operand stack and call the runtime to fix 2195ca29dd85fa02449d17188f5a6ff9a7cdf2ad9680danno@chromium.org // up the stack and the handlers. 2196ca29dd85fa02449d17188f5a6ff9a7cdf2ad9680danno@chromium.org Label push_operand_holes, call_resume; 2197ca29dd85fa02449d17188f5a6ff9a7cdf2ad9680danno@chromium.org __ bind(&push_operand_holes); 2198fa0c3c69b9d632e5730bdd9c745c375beef5e54dmachenbach@chromium.org __ subp(rdx, Immediate(1)); 2199ca29dd85fa02449d17188f5a6ff9a7cdf2ad9680danno@chromium.org __ j(carry, &call_resume); 2200763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(rcx); 2201ca29dd85fa02449d17188f5a6ff9a7cdf2ad9680danno@chromium.org __ jmp(&push_operand_holes); 2202ca29dd85fa02449d17188f5a6ff9a7cdf2ad9680danno@chromium.org __ bind(&call_resume); 2203763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(rbx); 2204763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(result_register()); 2205ca29dd85fa02449d17188f5a6ff9a7cdf2ad9680danno@chromium.org __ Push(Smi::FromInt(resume_mode)); 220647390597afd6b17870f41dfb5dd8c057aea1f068machenbach@chromium.org __ CallRuntime(Runtime::kResumeJSGeneratorObject, 3); 2207ca29dd85fa02449d17188f5a6ff9a7cdf2ad9680danno@chromium.org // Not reached: the runtime call returns elsewhere. 2208594006017e46d82ed7146611dc12c20e3c509c7ddanno@chromium.org __ Abort(kGeneratorFailedToResume); 2209ca29dd85fa02449d17188f5a6ff9a7cdf2ad9680danno@chromium.org 2210e31286d471eb2e656a1809383fa16b76053dd673machenbach@chromium.org // Reach here when generator is closed. 2211e31286d471eb2e656a1809383fa16b76053dd673machenbach@chromium.org __ bind(&closed_state); 2212e31286d471eb2e656a1809383fa16b76053dd673machenbach@chromium.org if (resume_mode == JSGeneratorObject::NEXT) { 2213e31286d471eb2e656a1809383fa16b76053dd673machenbach@chromium.org // Return completed iterator result when generator is closed. 2214e31286d471eb2e656a1809383fa16b76053dd673machenbach@chromium.org __ PushRoot(Heap::kUndefinedValueRootIndex); 2215e31286d471eb2e656a1809383fa16b76053dd673machenbach@chromium.org // Pop value from top-of-stack slot; box result into result register. 2216e31286d471eb2e656a1809383fa16b76053dd673machenbach@chromium.org EmitCreateIteratorResult(true); 2217e31286d471eb2e656a1809383fa16b76053dd673machenbach@chromium.org } else { 2218e31286d471eb2e656a1809383fa16b76053dd673machenbach@chromium.org // Throw the provided value. 2219763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(rax); 222047390597afd6b17870f41dfb5dd8c057aea1f068machenbach@chromium.org __ CallRuntime(Runtime::kThrow, 1); 2221e31286d471eb2e656a1809383fa16b76053dd673machenbach@chromium.org } 2222e31286d471eb2e656a1809383fa16b76053dd673machenbach@chromium.org __ jmp(&done); 2223e31286d471eb2e656a1809383fa16b76053dd673machenbach@chromium.org 2224ca29dd85fa02449d17188f5a6ff9a7cdf2ad9680danno@chromium.org // Throw error if we attempt to operate on a running generator. 2225ca29dd85fa02449d17188f5a6ff9a7cdf2ad9680danno@chromium.org __ bind(&wrong_state); 2226763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(rbx); 222747390597afd6b17870f41dfb5dd8c057aea1f068machenbach@chromium.org __ CallRuntime(Runtime::kThrowGeneratorStateError, 1); 2228ca29dd85fa02449d17188f5a6ff9a7cdf2ad9680danno@chromium.org 2229ca29dd85fa02449d17188f5a6ff9a7cdf2ad9680danno@chromium.org __ bind(&done); 2230ca29dd85fa02449d17188f5a6ff9a7cdf2ad9680danno@chromium.org context()->Plug(result_register()); 2231ca29dd85fa02449d17188f5a6ff9a7cdf2ad9680danno@chromium.org} 2232ca29dd85fa02449d17188f5a6ff9a7cdf2ad9680danno@chromium.org 2233ca29dd85fa02449d17188f5a6ff9a7cdf2ad9680danno@chromium.org 223441728483f231e098a8dd85f109b5a30e6ccc3c39danno@chromium.orgvoid FullCodeGenerator::EmitCreateIteratorResult(bool done) { 223557ff881caeb2e15b46ac9e4dfc00e378f7c5f929ulan@chromium.org Label gc_required; 223657ff881caeb2e15b46ac9e4dfc00e378f7c5f929ulan@chromium.org Label allocated; 223757ff881caeb2e15b46ac9e4dfc00e378f7c5f929ulan@chromium.org 22384ef23eea527ce7f45bdc5edd52bd4d1a989e2359machenbach@chromium.org Handle<Map> map(isolate()->native_context()->iterator_result_map()); 223957ff881caeb2e15b46ac9e4dfc00e378f7c5f929ulan@chromium.org 224057ff881caeb2e15b46ac9e4dfc00e378f7c5f929ulan@chromium.org __ Allocate(map->instance_size(), rax, rcx, rdx, &gc_required, TAG_OBJECT); 224141728483f231e098a8dd85f109b5a30e6ccc3c39danno@chromium.org __ jmp(&allocated); 224241728483f231e098a8dd85f109b5a30e6ccc3c39danno@chromium.org 224341728483f231e098a8dd85f109b5a30e6ccc3c39danno@chromium.org __ bind(&gc_required); 224441728483f231e098a8dd85f109b5a30e6ccc3c39danno@chromium.org __ Push(Smi::FromInt(map->instance_size())); 224547390597afd6b17870f41dfb5dd8c057aea1f068machenbach@chromium.org __ CallRuntime(Runtime::kAllocateInNewSpace, 1); 224643c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(context_register(), 224741728483f231e098a8dd85f109b5a30e6ccc3c39danno@chromium.org Operand(rbp, StandardFrameConstants::kContextOffset)); 224857ff881caeb2e15b46ac9e4dfc00e378f7c5f929ulan@chromium.org 224957ff881caeb2e15b46ac9e4dfc00e378f7c5f929ulan@chromium.org __ bind(&allocated); 225057ff881caeb2e15b46ac9e4dfc00e378f7c5f929ulan@chromium.org __ Move(rbx, map); 2251763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Pop(rcx); 225257ff881caeb2e15b46ac9e4dfc00e378f7c5f929ulan@chromium.org __ Move(rdx, isolate()->factory()->ToBoolean(done)); 2253e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK_EQ(map->instance_size(), 5 * kPointerSize); 225443c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(FieldOperand(rax, HeapObject::kMapOffset), rbx); 225557ff881caeb2e15b46ac9e4dfc00e378f7c5f929ulan@chromium.org __ Move(FieldOperand(rax, JSObject::kPropertiesOffset), 225657ff881caeb2e15b46ac9e4dfc00e378f7c5f929ulan@chromium.org isolate()->factory()->empty_fixed_array()); 225757ff881caeb2e15b46ac9e4dfc00e378f7c5f929ulan@chromium.org __ Move(FieldOperand(rax, JSObject::kElementsOffset), 225857ff881caeb2e15b46ac9e4dfc00e378f7c5f929ulan@chromium.org isolate()->factory()->empty_fixed_array()); 225943c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(FieldOperand(rax, JSGeneratorObject::kResultValuePropertyOffset), 226057ff881caeb2e15b46ac9e4dfc00e378f7c5f929ulan@chromium.org rcx); 226143c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(FieldOperand(rax, JSGeneratorObject::kResultDonePropertyOffset), 226257ff881caeb2e15b46ac9e4dfc00e378f7c5f929ulan@chromium.org rdx); 226357ff881caeb2e15b46ac9e4dfc00e378f7c5f929ulan@chromium.org 226457ff881caeb2e15b46ac9e4dfc00e378f7c5f929ulan@chromium.org // Only the value field needs a write barrier, as the other values are in the 226557ff881caeb2e15b46ac9e4dfc00e378f7c5f929ulan@chromium.org // root set. 226657ff881caeb2e15b46ac9e4dfc00e378f7c5f929ulan@chromium.org __ RecordWriteField(rax, JSGeneratorObject::kResultValuePropertyOffset, 226757ff881caeb2e15b46ac9e4dfc00e378f7c5f929ulan@chromium.org rcx, rdx, kDontSaveFPRegs); 226857ff881caeb2e15b46ac9e4dfc00e378f7c5f929ulan@chromium.org} 226957ff881caeb2e15b46ac9e4dfc00e378f7c5f929ulan@chromium.org 227057ff881caeb2e15b46ac9e4dfc00e378f7c5f929ulan@chromium.org 2271b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.orgvoid FullCodeGenerator::EmitNamedPropertyLoad(Property* prop) { 2272b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org SetSourcePosition(prop->position()); 2273b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org Literal* key = prop->key()->AsLiteral(); 22749aaa825cf89e1bcfece269a453300ebf4a26d64dmachenbach@chromium.org __ Move(LoadDescriptor::NameRegister(), key->value()); 22759d1a7a8cdb664730cf5703185e85a4716748c564machenbach@chromium.org if (FLAG_vector_ics) { 22769aaa825cf89e1bcfece269a453300ebf4a26d64dmachenbach@chromium.org __ Move(VectorLoadICDescriptor::SlotRegister(), 2277fa7f914e3bacba481b13da5cf2bc4c935567ebc4machenbach@chromium.org Smi::FromInt(prop->PropertyFeedbackSlot())); 22789d1a7a8cdb664730cf5703185e85a4716748c564machenbach@chromium.org CallLoadIC(NOT_CONTEXTUAL); 22799d1a7a8cdb664730cf5703185e85a4716748c564machenbach@chromium.org } else { 22809d1a7a8cdb664730cf5703185e85a4716748c564machenbach@chromium.org CallLoadIC(NOT_CONTEXTUAL, prop->PropertyFeedbackId()); 22819d1a7a8cdb664730cf5703185e85a4716748c564machenbach@chromium.org } 2282b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org} 2283b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 2284b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 2285a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.orgvoid FullCodeGenerator::EmitNamedSuperPropertyLoad(Property* prop) { 2286a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org SetSourcePosition(prop->position()); 2287a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org Literal* key = prop->key()->AsLiteral(); 2288a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org DCHECK(!key->value()->IsSmi()); 2289a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org DCHECK(prop->IsSuperAccess()); 2290a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org 2291a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org SuperReference* super_ref = prop->obj()->AsSuperReference(); 2292a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org EmitLoadHomeObject(super_ref); 2293a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org __ Push(rax); 2294a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org VisitForStackValue(super_ref->this_var()); 2295a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org __ Push(key->value()); 2296a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org __ CallRuntime(Runtime::kLoadFromSuper, 3); 2297a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org} 2298a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org 2299a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org 2300b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.orgvoid FullCodeGenerator::EmitKeyedPropertyLoad(Property* prop) { 2301b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org SetSourcePosition(prop->position()); 23026313e220249748eb26e1ddcee2bbe857fef03b42machenbach@chromium.org Handle<Code> ic = CodeFactory::KeyedLoadIC(isolate()).code(); 23039d1a7a8cdb664730cf5703185e85a4716748c564machenbach@chromium.org if (FLAG_vector_ics) { 23049aaa825cf89e1bcfece269a453300ebf4a26d64dmachenbach@chromium.org __ Move(VectorLoadICDescriptor::SlotRegister(), 2305fa7f914e3bacba481b13da5cf2bc4c935567ebc4machenbach@chromium.org Smi::FromInt(prop->PropertyFeedbackSlot())); 23069d1a7a8cdb664730cf5703185e85a4716748c564machenbach@chromium.org CallIC(ic); 23079d1a7a8cdb664730cf5703185e85a4716748c564machenbach@chromium.org } else { 23089d1a7a8cdb664730cf5703185e85a4716748c564machenbach@chromium.org CallIC(ic, prop->PropertyFeedbackId()); 23099d1a7a8cdb664730cf5703185e85a4716748c564machenbach@chromium.org } 2310b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org} 2311b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 2312b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 23138e8294a88dc7d58f579aee0ba08c19fc8a616e2dsgjesse@chromium.orgvoid FullCodeGenerator::EmitInlineSmiBinaryOp(BinaryOperation* expr, 2314d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org Token::Value op, 2315d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org OverwriteMode mode, 2316d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org Expression* left, 23179ee27ae43ab88e9bb6417ff9e27af64e0cf13729ager@chromium.org Expression* right) { 2318d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org // Do combined smi check of the operands. Left operand is on the 2319d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org // stack (popped into rdx). Right operand is in rax but moved into 2320d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org // rcx to make the shifts easier. 232183a4728861129dc263ded92157f3e6389f851f19karlklose@chromium.org Label done, stub_call, smi_case; 2322763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Pop(rdx); 232343c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rcx, rax); 2324895f00d1d8c5a7a7209c36d690688e3552de3df4machenbach@chromium.org __ orp(rax, rdx); 2325d91075f76b836c2cfa4f4e4cc0fb31170df864ccerik.corry@gmail.com JumpPatchSite patch_site(masm_); 232683a4728861129dc263ded92157f3e6389f851f19karlklose@chromium.org patch_site.EmitJumpIfSmi(rax, &smi_case, Label::kNear); 2327d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org 2328d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org __ bind(&stub_call); 232943c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rax, rcx); 23306313e220249748eb26e1ddcee2bbe857fef03b42machenbach@chromium.org Handle<Code> code = CodeFactory::BinaryOpIC(isolate(), op, mode).code(); 23316313e220249748eb26e1ddcee2bbe857fef03b42machenbach@chromium.org CallIC(code, expr->BinaryOperationFeedbackId()); 23324f693d6b99ffdbc05e5e211e08ed5039e13279d2ricow@chromium.org patch_site.EmitPatchInfo(); 233383a4728861129dc263ded92157f3e6389f851f19karlklose@chromium.org __ jmp(&done, Label::kNear); 2334d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org 2335d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org __ bind(&smi_case); 2336d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org switch (op) { 2337d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org case Token::SAR: 2338d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org __ SmiShiftArithmeticRight(rax, rdx, rcx); 2339d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org break; 2340d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org case Token::SHL: 2341e7a6d372100022f492c88886898add6a51e66977machenbach@chromium.org __ SmiShiftLeft(rax, rdx, rcx, &stub_call); 2342d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org break; 2343d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org case Token::SHR: 2344d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org __ SmiShiftLogicalRight(rax, rdx, rcx, &stub_call); 2345d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org break; 2346d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org case Token::ADD: 2347d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org __ SmiAdd(rax, rdx, rcx, &stub_call); 2348d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org break; 2349d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org case Token::SUB: 2350d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org __ SmiSub(rax, rdx, rcx, &stub_call); 2351d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org break; 2352d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org case Token::MUL: 2353d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org __ SmiMul(rax, rdx, rcx, &stub_call); 2354d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org break; 2355d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org case Token::BIT_OR: 2356d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org __ SmiOr(rax, rdx, rcx); 2357d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org break; 2358d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org case Token::BIT_AND: 2359d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org __ SmiAnd(rax, rdx, rcx); 2360d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org break; 2361d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org case Token::BIT_XOR: 2362d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org __ SmiXor(rax, rdx, rcx); 2363d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org break; 2364d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org default: 2365d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org UNREACHABLE(); 2366d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org break; 2367d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org } 2368d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org 2369d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org __ bind(&done); 23704a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org context()->Plug(rax); 2371d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org} 2372d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org 2373d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org 23748e8294a88dc7d58f579aee0ba08c19fc8a616e2dsgjesse@chromium.orgvoid FullCodeGenerator::EmitBinaryOp(BinaryOperation* expr, 23758e8294a88dc7d58f579aee0ba08c19fc8a616e2dsgjesse@chromium.org Token::Value op, 237665fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org OverwriteMode mode) { 2377763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Pop(rdx); 23786313e220249748eb26e1ddcee2bbe857fef03b42machenbach@chromium.org Handle<Code> code = CodeFactory::BinaryOpIC(isolate(), op, mode).code(); 23794f693d6b99ffdbc05e5e211e08ed5039e13279d2ricow@chromium.org JumpPatchSite patch_site(masm_); // unbound, signals no inlined smi code. 23806313e220249748eb26e1ddcee2bbe857fef03b42machenbach@chromium.org CallIC(code, expr->BinaryOperationFeedbackId()); 23814f693d6b99ffdbc05e5e211e08ed5039e13279d2ricow@chromium.org patch_site.EmitPatchInfo(); 23824a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org context()->Plug(rax); 2383b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org} 2384b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 2385b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 2386be6bd10d8264b7a05e0a04407eb98b253bc0f152kmillikin@chromium.orgvoid FullCodeGenerator::EmitAssignment(Expression* expr) { 2387e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(expr->IsValidReferenceExpression()); 23889dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 23899dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com // Left-hand side can only be a property, a global or a (parameter or local) 23907b26015ac58e54e88f4214e248f772ad4f055477whesse@chromium.org // slot. 23919dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com enum LhsKind { VARIABLE, NAMED_PROPERTY, KEYED_PROPERTY }; 23929dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com LhsKind assign_type = VARIABLE; 23939dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com Property* prop = expr->AsProperty(); 23949dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com if (prop != NULL) { 23959dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com assign_type = (prop->key()->IsPropertyName()) 23969dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com ? NAMED_PROPERTY 23979dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com : KEYED_PROPERTY; 23989dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com } 23999dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 24009dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com switch (assign_type) { 24019dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com case VARIABLE: { 24029dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com Variable* var = expr->AsVariableProxy()->var(); 24034a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org EffectContext context(this); 24044a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org EmitVariableAssignment(var, Token::ASSIGN); 24059dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com break; 24069dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com } 24079dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com case NAMED_PROPERTY: { 2408763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(rax); // Preserve value. 24094a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org VisitForAccumulatorValue(prop->obj()); 24109aaa825cf89e1bcfece269a453300ebf4a26d64dmachenbach@chromium.org __ Move(StoreDescriptor::ReceiverRegister(), rax); 24119aaa825cf89e1bcfece269a453300ebf4a26d64dmachenbach@chromium.org __ Pop(StoreDescriptor::ValueRegister()); // Restore value. 24129aaa825cf89e1bcfece269a453300ebf4a26d64dmachenbach@chromium.org __ Move(StoreDescriptor::NameRegister(), 2413fa7f914e3bacba481b13da5cf2bc4c935567ebc4machenbach@chromium.org prop->key()->AsLiteral()->value()); 2414f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org CallStoreIC(); 24159dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com break; 24169dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com } 24179dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com case KEYED_PROPERTY: { 2418763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(rax); // Preserve value. 24197b26015ac58e54e88f4214e248f772ad4f055477whesse@chromium.org VisitForStackValue(prop->obj()); 24207b26015ac58e54e88f4214e248f772ad4f055477whesse@chromium.org VisitForAccumulatorValue(prop->key()); 24219aaa825cf89e1bcfece269a453300ebf4a26d64dmachenbach@chromium.org __ Move(StoreDescriptor::NameRegister(), rax); 24229aaa825cf89e1bcfece269a453300ebf4a26d64dmachenbach@chromium.org __ Pop(StoreDescriptor::ReceiverRegister()); 24239aaa825cf89e1bcfece269a453300ebf4a26d64dmachenbach@chromium.org __ Pop(StoreDescriptor::ValueRegister()); // Restore value. 24246313e220249748eb26e1ddcee2bbe857fef03b42machenbach@chromium.org Handle<Code> ic = 24256313e220249748eb26e1ddcee2bbe857fef03b42machenbach@chromium.org CodeFactory::KeyedStoreIC(isolate(), strict_mode()).code(); 24261456e708d277e725ca42a03463af16fe471c9210jkummerow@chromium.org CallIC(ic); 24279dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com break; 24289dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com } 24299dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com } 24305f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.org context()->Plug(rax); 24319dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com} 24329dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 24339dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 2434f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.orgvoid FullCodeGenerator::EmitStoreToStackLocalOrContextSlot( 2435f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org Variable* var, MemOperand location) { 2436f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org __ movp(location, rax); 2437f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org if (var->IsContextSlot()) { 2438f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org __ movp(rdx, rax); 2439f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org __ RecordWriteContextSlot( 2440f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org rcx, Context::SlotOffset(var->index()), rdx, rbx, kDontSaveFPRegs); 2441f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org } 2442f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org} 2443f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org 2444f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org 2445b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.orgvoid FullCodeGenerator::EmitVariableAssignment(Variable* var, 24464a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org Token::Value op) { 2447486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org if (var->IsUnallocated()) { 2448486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org // Global var, const, or let. 24499aaa825cf89e1bcfece269a453300ebf4a26d64dmachenbach@chromium.org __ Move(StoreDescriptor::NameRegister(), var->name()); 24509aaa825cf89e1bcfece269a453300ebf4a26d64dmachenbach@chromium.org __ movp(StoreDescriptor::ReceiverRegister(), GlobalObjectOperand()); 2451f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org CallStoreIC(); 2452f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org 2453486536df718553960f9700559e80e5b10b0d5994dslomov@chromium.org } else if (op == Token::INIT_CONST_LEGACY) { 2454486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org // Const initializers need a write barrier. 2455e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(!var->IsParameter()); // No const parameters. 2456f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org if (var->IsLookupSlot()) { 2457763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(rax); 2458763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(rsi); 2459052c9560e8a41c723726ebe914a93747d8f13285hpayer@chromium.org __ Push(var->name()); 24609bf7aff6cc5ed8807b7b2abc11b6cf77b928ded1machenbach@chromium.org __ CallRuntime(Runtime::kInitializeLegacyConstLookupSlot, 3); 2461f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org } else { 2462e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(var->IsStackLocal() || var->IsContextSlot()); 2463f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org Label skip; 2464f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org MemOperand location = VarOperand(var, rcx); 2465f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org __ movp(rdx, location); 2466f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org __ CompareRoot(rdx, Heap::kTheHoleValueRootIndex); 2467f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org __ j(not_equal, &skip); 2468f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org EmitStoreToStackLocalOrContextSlot(var, location); 2469f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org __ bind(&skip); 24705d6c1f5b20195b800bc6db146920fd6f878d1fd4vegorov@chromium.org } 24715d6c1f5b20195b800bc6db146920fd6f878d1fd4vegorov@chromium.org 2472b4b2aa69a9f12525fca190287f47a66d7bdcb3aerossberg@chromium.org } else if (var->mode() == LET && op != Token::INIT_LET) { 2473486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org // Non-initializing assignment to let variable needs a write barrier. 2474e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(!var->IsLookupSlot()); 2475e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(var->IsStackAllocated() || var->IsContextSlot()); 24769bf7aff6cc5ed8807b7b2abc11b6cf77b928ded1machenbach@chromium.org Label assign; 24779bf7aff6cc5ed8807b7b2abc11b6cf77b928ded1machenbach@chromium.org MemOperand location = VarOperand(var, rcx); 24789bf7aff6cc5ed8807b7b2abc11b6cf77b928ded1machenbach@chromium.org __ movp(rdx, location); 24799bf7aff6cc5ed8807b7b2abc11b6cf77b928ded1machenbach@chromium.org __ CompareRoot(rdx, Heap::kTheHoleValueRootIndex); 24809bf7aff6cc5ed8807b7b2abc11b6cf77b928ded1machenbach@chromium.org __ j(not_equal, &assign, Label::kNear); 24819bf7aff6cc5ed8807b7b2abc11b6cf77b928ded1machenbach@chromium.org __ Push(var->name()); 24829bf7aff6cc5ed8807b7b2abc11b6cf77b928ded1machenbach@chromium.org __ CallRuntime(Runtime::kThrowReferenceError, 1); 24839bf7aff6cc5ed8807b7b2abc11b6cf77b928ded1machenbach@chromium.org __ bind(&assign); 24849bf7aff6cc5ed8807b7b2abc11b6cf77b928ded1machenbach@chromium.org EmitStoreToStackLocalOrContextSlot(var, location); 2485b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 2486486536df718553960f9700559e80e5b10b0d5994dslomov@chromium.org } else if (!var->is_const_mode() || op == Token::INIT_CONST) { 2487f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org if (var->IsLookupSlot()) { 24889bf7aff6cc5ed8807b7b2abc11b6cf77b928ded1machenbach@chromium.org // Assignment to var. 24899bf7aff6cc5ed8807b7b2abc11b6cf77b928ded1machenbach@chromium.org __ Push(rax); // Value. 24909bf7aff6cc5ed8807b7b2abc11b6cf77b928ded1machenbach@chromium.org __ Push(rsi); // Context. 24919bf7aff6cc5ed8807b7b2abc11b6cf77b928ded1machenbach@chromium.org __ Push(var->name()); 24929bf7aff6cc5ed8807b7b2abc11b6cf77b928ded1machenbach@chromium.org __ Push(Smi::FromInt(strict_mode())); 24939bf7aff6cc5ed8807b7b2abc11b6cf77b928ded1machenbach@chromium.org __ CallRuntime(Runtime::kStoreLookupSlot, 4); 2494f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org } else { 24959bf7aff6cc5ed8807b7b2abc11b6cf77b928ded1machenbach@chromium.org // Assignment to var or initializing assignment to let/const in harmony 24969bf7aff6cc5ed8807b7b2abc11b6cf77b928ded1machenbach@chromium.org // mode. 2497e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(var->IsStackAllocated() || var->IsContextSlot()); 2498486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org MemOperand location = VarOperand(var, rcx); 2499000f7fbc1dfa59e414332fd2898b5da4d44eedd6jkummerow@chromium.org if (generate_debug_code_ && op == Token::INIT_LET) { 2500486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org // Check for an uninitialized let binding. 250143c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rdx, location); 2502486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org __ CompareRoot(rdx, Heap::kTheHoleValueRootIndex); 2503594006017e46d82ed7146611dc12c20e3c509c7ddanno@chromium.org __ Check(equal, kLetBindingReInitialization); 2504486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org } 2505f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org EmitStoreToStackLocalOrContextSlot(var, location); 2506b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org } 2507b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org } 2508486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org // Non-initializing assignments to consts are ignored. 2509b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org} 2510b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 2511b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 2512b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.orgvoid FullCodeGenerator::EmitNamedPropertyAssignment(Assignment* expr) { 2513b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org // Assignment to a property, using a named store IC. 2514b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org Property* prop = expr->target()->AsProperty(); 2515e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(prop != NULL); 2516e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(prop->key()->IsLiteral()); 2517b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 2518b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org // Record source code position before IC call. 2519b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org SetSourcePosition(expr->position()); 25209aaa825cf89e1bcfece269a453300ebf4a26d64dmachenbach@chromium.org __ Move(StoreDescriptor::NameRegister(), prop->key()->AsLiteral()->value()); 25219aaa825cf89e1bcfece269a453300ebf4a26d64dmachenbach@chromium.org __ Pop(StoreDescriptor::ReceiverRegister()); 2522f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org CallStoreIC(expr->AssignmentFeedbackId()); 2523b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 2524d2c22f0121ebc55ee26a9e742f0fd7c0b8397730kmillikin@chromium.org PrepareForBailoutForId(expr->AssignmentId(), TOS_REG); 25255f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.org context()->Plug(rax); 2526b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org} 2527b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 2528b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 2529b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.orgvoid FullCodeGenerator::EmitKeyedPropertyAssignment(Assignment* expr) { 2530b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org // Assignment to a property, using a keyed store IC. 2531b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 25329aaa825cf89e1bcfece269a453300ebf4a26d64dmachenbach@chromium.org __ Pop(StoreDescriptor::NameRegister()); // Key. 25339aaa825cf89e1bcfece269a453300ebf4a26d64dmachenbach@chromium.org __ Pop(StoreDescriptor::ReceiverRegister()); 25349aaa825cf89e1bcfece269a453300ebf4a26d64dmachenbach@chromium.org DCHECK(StoreDescriptor::ValueRegister().is(rax)); 2535b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org // Record source code position before IC call. 2536b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org SetSourcePosition(expr->position()); 25376313e220249748eb26e1ddcee2bbe857fef03b42machenbach@chromium.org Handle<Code> ic = CodeFactory::KeyedStoreIC(isolate(), strict_mode()).code(); 2538f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org CallIC(ic, expr->AssignmentFeedbackId()); 2539b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 2540d2c22f0121ebc55ee26a9e742f0fd7c0b8397730kmillikin@chromium.org PrepareForBailoutForId(expr->AssignmentId(), TOS_REG); 25414a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org context()->Plug(rax); 2542b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org} 2543b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 2544b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 2545b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.orgvoid FullCodeGenerator::VisitProperty(Property* expr) { 2546b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org Comment cmnt(masm_, "[ Property"); 2547b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org Expression* key = expr->key(); 2548b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 2549b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org if (key->IsPropertyName()) { 2550a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org if (!expr->IsSuperAccess()) { 2551a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org VisitForAccumulatorValue(expr->obj()); 2552a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org DCHECK(!rax.is(LoadDescriptor::ReceiverRegister())); 2553a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org __ movp(LoadDescriptor::ReceiverRegister(), rax); 2554a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org EmitNamedPropertyLoad(expr); 2555a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org } else { 2556a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org EmitNamedSuperPropertyLoad(expr); 2557a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org } 2558471f2f1d24adb4bad1edc3bf0ee35092486de187mstarzinger@chromium.org PrepareForBailoutForId(expr->LoadId(), TOS_REG); 2559a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org context()->Plug(rax); 2560b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org } else { 25614a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org VisitForStackValue(expr->obj()); 25624a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org VisitForAccumulatorValue(expr->key()); 25639aaa825cf89e1bcfece269a453300ebf4a26d64dmachenbach@chromium.org __ Move(LoadDescriptor::NameRegister(), rax); 25649aaa825cf89e1bcfece269a453300ebf4a26d64dmachenbach@chromium.org __ Pop(LoadDescriptor::ReceiverRegister()); 2565b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org EmitKeyedPropertyLoad(expr); 2566a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org context()->Plug(rax); 2567b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org } 2568b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org} 2569b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 2570b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 25711456e708d277e725ca42a03463af16fe471c9210jkummerow@chromium.orgvoid FullCodeGenerator::CallIC(Handle<Code> code, 2572471f2f1d24adb4bad1edc3bf0ee35092486de187mstarzinger@chromium.org TypeFeedbackId ast_id) { 25731456e708d277e725ca42a03463af16fe471c9210jkummerow@chromium.org ic_total_count_++; 25749cbaabda8b4daeb06759ace10c926ab55bb69d7bulan@chromium.org __ call(code, RelocInfo::CODE_TARGET, ast_id); 25751456e708d277e725ca42a03463af16fe471c9210jkummerow@chromium.org} 25761456e708d277e725ca42a03463af16fe471c9210jkummerow@chromium.org 25771456e708d277e725ca42a03463af16fe471c9210jkummerow@chromium.org 2578a03ba1e53fa6a04b8e56747536f226380bb6269bmachenbach@chromium.org// Code common for calls using the IC. 2579a86d416fb652b1936026eee315eccd4f17ca1002machenbach@chromium.orgvoid FullCodeGenerator::EmitCallWithLoadIC(Call* expr) { 2580a03ba1e53fa6a04b8e56747536f226380bb6269bmachenbach@chromium.org Expression* callee = expr->expression(); 2581a03ba1e53fa6a04b8e56747536f226380bb6269bmachenbach@chromium.org 2582d3df75b4472c9d5d4d2615aaea74d2adce4160f8machenbach@chromium.org CallICState::CallType call_type = 2583d3df75b4472c9d5d4d2615aaea74d2adce4160f8machenbach@chromium.org callee->IsVariableProxy() ? CallICState::FUNCTION : CallICState::METHOD; 2584a86d416fb652b1936026eee315eccd4f17ca1002machenbach@chromium.org // Get the target function. 2585d3df75b4472c9d5d4d2615aaea74d2adce4160f8machenbach@chromium.org if (call_type == CallICState::FUNCTION) { 2586a03ba1e53fa6a04b8e56747536f226380bb6269bmachenbach@chromium.org { StackValueContext context(this); 2587a03ba1e53fa6a04b8e56747536f226380bb6269bmachenbach@chromium.org EmitVariableLoad(callee->AsVariableProxy()); 2588a03ba1e53fa6a04b8e56747536f226380bb6269bmachenbach@chromium.org PrepareForBailout(callee, NO_REGISTERS); 2589a03ba1e53fa6a04b8e56747536f226380bb6269bmachenbach@chromium.org } 2590a03ba1e53fa6a04b8e56747536f226380bb6269bmachenbach@chromium.org // Push undefined as receiver. This is patched in the method prologue if it 2591486536df718553960f9700559e80e5b10b0d5994dslomov@chromium.org // is a sloppy mode method. 2592a03ba1e53fa6a04b8e56747536f226380bb6269bmachenbach@chromium.org __ Push(isolate()->factory()->undefined_value()); 2593a03ba1e53fa6a04b8e56747536f226380bb6269bmachenbach@chromium.org } else { 2594a03ba1e53fa6a04b8e56747536f226380bb6269bmachenbach@chromium.org // Load the function from the receiver. 2595e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(callee->IsProperty()); 2596a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org DCHECK(!callee->AsProperty()->IsSuperAccess()); 25979aaa825cf89e1bcfece269a453300ebf4a26d64dmachenbach@chromium.org __ movp(LoadDescriptor::ReceiverRegister(), Operand(rsp, 0)); 2598a03ba1e53fa6a04b8e56747536f226380bb6269bmachenbach@chromium.org EmitNamedPropertyLoad(callee->AsProperty()); 2599a03ba1e53fa6a04b8e56747536f226380bb6269bmachenbach@chromium.org PrepareForBailoutForId(callee->AsProperty()->LoadId(), TOS_REG); 2600a03ba1e53fa6a04b8e56747536f226380bb6269bmachenbach@chromium.org // Push the target function under the receiver. 2601763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(Operand(rsp, 0)); 2602a03ba1e53fa6a04b8e56747536f226380bb6269bmachenbach@chromium.org __ movp(Operand(rsp, kPointerSize), rax); 2603b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org } 2604a03ba1e53fa6a04b8e56747536f226380bb6269bmachenbach@chromium.org 2605a86d416fb652b1936026eee315eccd4f17ca1002machenbach@chromium.org EmitCall(expr, call_type); 2606b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org} 2607b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 2608b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 2609a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.orgvoid FullCodeGenerator::EmitSuperCallWithLoadIC(Call* expr) { 2610a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org Expression* callee = expr->expression(); 2611a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org DCHECK(callee->IsProperty()); 2612a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org Property* prop = callee->AsProperty(); 2613a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org DCHECK(prop->IsSuperAccess()); 2614a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org 2615a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org SetSourcePosition(prop->position()); 2616a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org Literal* key = prop->key()->AsLiteral(); 2617a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org DCHECK(!key->value()->IsSmi()); 2618a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org // Load the function from the receiver. 2619a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org SuperReference* super_ref = prop->obj()->AsSuperReference(); 2620a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org EmitLoadHomeObject(super_ref); 2621a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org __ Push(rax); 2622a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org VisitForAccumulatorValue(super_ref->this_var()); 2623a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org __ Push(rax); 2624a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org __ Push(Operand(rsp, kPointerSize)); 2625a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org __ Push(rax); 2626a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org __ Push(key->value()); 2627a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org 2628a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org // Stack here: 2629a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org // - home_object 2630a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org // - this (receiver) 2631a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org // - home_object <-- LoadFromSuper will pop here and below. 2632a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org // - this (receiver) 2633a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org // - key 2634a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org __ CallRuntime(Runtime::kLoadFromSuper, 3); 2635a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org 2636a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org // Replace home_object with target function. 2637a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org __ movp(Operand(rsp, kPointerSize), rax); 2638a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org 2639a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org // Stack here: 2640a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org // - target function 2641a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org // - this (receiver) 2642a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org EmitCall(expr, CallICState::METHOD); 2643a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org} 2644a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org 2645a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org 2646a03ba1e53fa6a04b8e56747536f226380bb6269bmachenbach@chromium.org// Common code for calls using the IC. 2647a86d416fb652b1936026eee315eccd4f17ca1002machenbach@chromium.orgvoid FullCodeGenerator::EmitKeyedCallWithLoadIC(Call* expr, 2648a86d416fb652b1936026eee315eccd4f17ca1002machenbach@chromium.org Expression* key) { 26494a6c3279070e8f133607a74c08d8c08ac394ab98erik.corry@gmail.com // Load the key. 26504a6c3279070e8f133607a74c08d8c08ac394ab98erik.corry@gmail.com VisitForAccumulatorValue(key); 26514a6c3279070e8f133607a74c08d8c08ac394ab98erik.corry@gmail.com 2652a03ba1e53fa6a04b8e56747536f226380bb6269bmachenbach@chromium.org Expression* callee = expr->expression(); 2653a03ba1e53fa6a04b8e56747536f226380bb6269bmachenbach@chromium.org 2654a03ba1e53fa6a04b8e56747536f226380bb6269bmachenbach@chromium.org // Load the function from the receiver. 2655e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(callee->IsProperty()); 26569aaa825cf89e1bcfece269a453300ebf4a26d64dmachenbach@chromium.org __ movp(LoadDescriptor::ReceiverRegister(), Operand(rsp, 0)); 26579aaa825cf89e1bcfece269a453300ebf4a26d64dmachenbach@chromium.org __ Move(LoadDescriptor::NameRegister(), rax); 2658a03ba1e53fa6a04b8e56747536f226380bb6269bmachenbach@chromium.org EmitKeyedPropertyLoad(callee->AsProperty()); 2659a03ba1e53fa6a04b8e56747536f226380bb6269bmachenbach@chromium.org PrepareForBailoutForId(callee->AsProperty()->LoadId(), TOS_REG); 2660a03ba1e53fa6a04b8e56747536f226380bb6269bmachenbach@chromium.org 2661a03ba1e53fa6a04b8e56747536f226380bb6269bmachenbach@chromium.org // Push the target function under the receiver. 2662763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(Operand(rsp, 0)); 2663a03ba1e53fa6a04b8e56747536f226380bb6269bmachenbach@chromium.org __ movp(Operand(rsp, kPointerSize), rax); 2664a03ba1e53fa6a04b8e56747536f226380bb6269bmachenbach@chromium.org 2665d3df75b4472c9d5d4d2615aaea74d2adce4160f8machenbach@chromium.org EmitCall(expr, CallICState::METHOD); 26662c186ca6690a1cb19ec7584e71f167234587c87cwhesse@chromium.org} 26672c186ca6690a1cb19ec7584e71f167234587c87cwhesse@chromium.org 26682c186ca6690a1cb19ec7584e71f167234587c87cwhesse@chromium.org 2669d3df75b4472c9d5d4d2615aaea74d2adce4160f8machenbach@chromium.orgvoid FullCodeGenerator::EmitCall(Call* expr, CallICState::CallType call_type) { 2670a86d416fb652b1936026eee315eccd4f17ca1002machenbach@chromium.org // Load the arguments. 2671b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org ZoneList<Expression*>* args = expr->arguments(); 2672b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org int arg_count = args->length(); 2673a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org { PreservePositionScope scope(masm()->positions_recorder()); 2674f0ac72dfa39ec827de605aafc57d4834237aa7f3whesse@chromium.org for (int i = 0; i < arg_count; i++) { 2675f0ac72dfa39ec827de605aafc57d4834237aa7f3whesse@chromium.org VisitForStackValue(args->at(i)); 2676f0ac72dfa39ec827de605aafc57d4834237aa7f3whesse@chromium.org } 2677b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org } 267888d326b0935b802e71e3a75e02f31fae8c2af96cmstarzinger@chromium.org 2679a86d416fb652b1936026eee315eccd4f17ca1002machenbach@chromium.org // Record source position of the IC call. 2680a86d416fb652b1936026eee315eccd4f17ca1002machenbach@chromium.org SetSourcePosition(expr->position()); 2681a86d416fb652b1936026eee315eccd4f17ca1002machenbach@chromium.org Handle<Code> ic = CallIC::initialize_stub( 2682a86d416fb652b1936026eee315eccd4f17ca1002machenbach@chromium.org isolate(), arg_count, call_type); 2683f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org __ Move(rdx, Smi::FromInt(expr->CallFeedbackSlot())); 268443c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rdi, Operand(rsp, (arg_count + 1) * kPointerSize)); 2685a86d416fb652b1936026eee315eccd4f17ca1002machenbach@chromium.org // Don't assign a type feedback id to the IC, since type feedback is provided 2686a86d416fb652b1936026eee315eccd4f17ca1002machenbach@chromium.org // by the vector above. 2687a86d416fb652b1936026eee315eccd4f17ca1002machenbach@chromium.org CallIC(ic); 2688a86d416fb652b1936026eee315eccd4f17ca1002machenbach@chromium.org 2689d2c22f0121ebc55ee26a9e742f0fd7c0b8397730kmillikin@chromium.org RecordJSReturnSite(expr); 2690a86d416fb652b1936026eee315eccd4f17ca1002machenbach@chromium.org 2691b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org // Restore context register. 269243c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rsi, Operand(rbp, StandardFrameConstants::kContextOffset)); 2693b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org // Discard the function left on TOS. 26944a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org context()->DropAndPlug(1, rax); 2695b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org} 2696b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 2697b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 2698c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.orgvoid FullCodeGenerator::EmitResolvePossiblyDirectEval(int arg_count) { 26999ee27ae43ab88e9bb6417ff9e27af64e0cf13729ager@chromium.org // Push copy of the first argument or undefined if it doesn't exist. 27009ee27ae43ab88e9bb6417ff9e27af64e0cf13729ager@chromium.org if (arg_count > 0) { 2701763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(Operand(rsp, arg_count * kPointerSize)); 27029ee27ae43ab88e9bb6417ff9e27af64e0cf13729ager@chromium.org } else { 27039ee27ae43ab88e9bb6417ff9e27af64e0cf13729ager@chromium.org __ PushRoot(Heap::kUndefinedValueRootIndex); 27049ee27ae43ab88e9bb6417ff9e27af64e0cf13729ager@chromium.org } 27059ee27ae43ab88e9bb6417ff9e27af64e0cf13729ager@chromium.org 2706040b51669fc15f81ef4aab890e004c957a896560yangguo@chromium.org // Push the enclosing function. 2707040b51669fc15f81ef4aab890e004c957a896560yangguo@chromium.org __ Push(Operand(rbp, JavaScriptFrameConstants::kFunctionOffset)); 2708040b51669fc15f81ef4aab890e004c957a896560yangguo@chromium.org 27099ee27ae43ab88e9bb6417ff9e27af64e0cf13729ager@chromium.org // Push the receiver of the enclosing function and do runtime call. 2710d8a3a149cb9dac7437e264a2fe50f680418c3a45jkummerow@chromium.org StackArgumentsAccessor args(rbp, info_->scope()->num_parameters()); 2711763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(args.GetReceiverOperand()); 27129ee27ae43ab88e9bb6417ff9e27af64e0cf13729ager@chromium.org 27131b3afd1cab9087ca3c4e585d3da77d374d65c082mstarzinger@chromium.org // Push the language mode. 2714486536df718553960f9700559e80e5b10b0d5994dslomov@chromium.org __ Push(Smi::FromInt(strict_mode())); 27159ee27ae43ab88e9bb6417ff9e27af64e0cf13729ager@chromium.org 271604e4f1e9e1291ac270e1cb7d8384b2af2fd2d685jkummerow@chromium.org // Push the start position of the scope the calls resides in. 271704e4f1e9e1291ac270e1cb7d8384b2af2fd2d685jkummerow@chromium.org __ Push(Smi::FromInt(scope()->start_position())); 271804e4f1e9e1291ac270e1cb7d8384b2af2fd2d685jkummerow@chromium.org 27191b3afd1cab9087ca3c4e585d3da77d374d65c082mstarzinger@chromium.org // Do the runtime call. 2720040b51669fc15f81ef4aab890e004c957a896560yangguo@chromium.org __ CallRuntime(Runtime::kResolvePossiblyDirectEval, 6); 27219ee27ae43ab88e9bb6417ff9e27af64e0cf13729ager@chromium.org} 27229ee27ae43ab88e9bb6417ff9e27af64e0cf13729ager@chromium.org 27239ee27ae43ab88e9bb6417ff9e27af64e0cf13729ager@chromium.org 2724b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.orgvoid FullCodeGenerator::VisitCall(Call* expr) { 2725d2c22f0121ebc55ee26a9e742f0fd7c0b8397730kmillikin@chromium.org#ifdef DEBUG 2726d2c22f0121ebc55ee26a9e742f0fd7c0b8397730kmillikin@chromium.org // We want to verify that RecordJSReturnSite gets called on all paths 2727d2c22f0121ebc55ee26a9e742f0fd7c0b8397730kmillikin@chromium.org // through this function. Avoid early returns. 2728d2c22f0121ebc55ee26a9e742f0fd7c0b8397730kmillikin@chromium.org expr->return_is_recorded_ = false; 2729d2c22f0121ebc55ee26a9e742f0fd7c0b8397730kmillikin@chromium.org#endif 2730d2c22f0121ebc55ee26a9e742f0fd7c0b8397730kmillikin@chromium.org 2731b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org Comment cmnt(masm_, "[ Call"); 2732486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org Expression* callee = expr->expression(); 273343c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org Call::CallType call_type = expr->GetCallType(isolate()); 2734b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 273543c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org if (call_type == Call::POSSIBLY_EVAL_CALL) { 2736895f00d1d8c5a7a7209c36d690688e3552de3df4machenbach@chromium.org // In a call to eval, we first call RuntimeHidden_ResolvePossiblyDirectEval 2737895f00d1d8c5a7a7209c36d690688e3552de3df4machenbach@chromium.org // to resolve the function we need to call and the receiver of the call. 2738486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org // Then we call the resolved function using the given arguments. 27399dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com ZoneList<Expression*>* args = expr->arguments(); 27409dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com int arg_count = args->length(); 2741a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org { PreservePositionScope pos_scope(masm()->positions_recorder()); 2742486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org VisitForStackValue(callee); 2743f0ac72dfa39ec827de605aafc57d4834237aa7f3whesse@chromium.org __ PushRoot(Heap::kUndefinedValueRootIndex); // Reserved receiver slot. 27449dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 2745f0ac72dfa39ec827de605aafc57d4834237aa7f3whesse@chromium.org // Push the arguments. 2746f0ac72dfa39ec827de605aafc57d4834237aa7f3whesse@chromium.org for (int i = 0; i < arg_count; i++) { 2747f0ac72dfa39ec827de605aafc57d4834237aa7f3whesse@chromium.org VisitForStackValue(args->at(i)); 2748f0ac72dfa39ec827de605aafc57d4834237aa7f3whesse@chromium.org } 27499dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 2750486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org // Push a copy of the function (found below the arguments) and resolve 2751486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org // eval. 2752763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(Operand(rsp, (arg_count + 1) * kPointerSize)); 2753c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org EmitResolvePossiblyDirectEval(arg_count); 27549dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 2755f0ac72dfa39ec827de605aafc57d4834237aa7f3whesse@chromium.org // The runtime call returns a pair of values in rax (function) and 2756f0ac72dfa39ec827de605aafc57d4834237aa7f3whesse@chromium.org // rdx (receiver). Touch up the stack with the right values. 275743c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(Operand(rsp, (arg_count + 0) * kPointerSize), rdx); 275843c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(Operand(rsp, (arg_count + 1) * kPointerSize), rax); 2759f0ac72dfa39ec827de605aafc57d4834237aa7f3whesse@chromium.org } 27609dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com // Record source position for debugger. 2761a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org SetSourcePosition(expr->position()); 2762f2f0489407bbb5e50d16ae791442df29513b53b5machenbach@chromium.org CallFunctionStub stub(isolate(), arg_count, NO_CALL_FUNCTION_FLAGS); 276343c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rdi, Operand(rsp, (arg_count + 1) * kPointerSize)); 27649dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ CallStub(&stub); 2765d2c22f0121ebc55ee26a9e742f0fd7c0b8397730kmillikin@chromium.org RecordJSReturnSite(expr); 27669dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com // Restore context register. 276743c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rsi, Operand(rbp, StandardFrameConstants::kContextOffset)); 27684a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org context()->DropAndPlug(1, rax); 276943c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org } else if (call_type == Call::GLOBAL_CALL) { 2770a86d416fb652b1936026eee315eccd4f17ca1002machenbach@chromium.org EmitCallWithLoadIC(expr); 2771a03ba1e53fa6a04b8e56747536f226380bb6269bmachenbach@chromium.org 277243c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org } else if (call_type == Call::LOOKUP_SLOT_CALL) { 27732ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org // Call to a lookup slot (dynamically introduced variable). 277443c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org VariableProxy* proxy = callee->AsVariableProxy(); 27752ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org Label slow, done; 27762ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org 2777a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org { PreservePositionScope scope(masm()->positions_recorder()); 2778486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org // Generate code for loading from variables potentially shadowed by 2779486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org // eval-introduced variables. 27809d1a7a8cdb664730cf5703185e85a4716748c564machenbach@chromium.org EmitDynamicLookupFastCase(proxy, NOT_INSIDE_TYPEOF, &slow, &done); 2781d2c22f0121ebc55ee26a9e742f0fd7c0b8397730kmillikin@chromium.org } 2782486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org __ bind(&slow); 2783486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org // Call the runtime to find the function to call (returned in rax) and 2784486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org // the object holding it (returned in rdx). 2785763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(context_register()); 2786486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org __ Push(proxy->name()); 27874c3ce7c3fd2802da8f91c6516a9c9aea3cd93f1emachenbach@chromium.org __ CallRuntime(Runtime::kLoadLookupSlot, 2); 2788763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(rax); // Function. 2789763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(rdx); // Receiver. 2790d2c22f0121ebc55ee26a9e742f0fd7c0b8397730kmillikin@chromium.org 2791486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org // If fast case code has been generated, emit code to push the function 2792486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org // and receiver and have the slow path jump around this code. 2793d2c22f0121ebc55ee26a9e742f0fd7c0b8397730kmillikin@chromium.org if (done.is_linked()) { 279483a4728861129dc263ded92157f3e6389f851f19karlklose@chromium.org Label call; 279583a4728861129dc263ded92157f3e6389f851f19karlklose@chromium.org __ jmp(&call, Label::kNear); 2796d2c22f0121ebc55ee26a9e742f0fd7c0b8397730kmillikin@chromium.org __ bind(&done); 2797d2c22f0121ebc55ee26a9e742f0fd7c0b8397730kmillikin@chromium.org // Push function. 2798763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(rax); 2799486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org // The receiver is implicitly the global receiver. Indicate this by 2800486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org // passing the hole to the call function stub. 2801e31286d471eb2e656a1809383fa16b76053dd673machenbach@chromium.org __ PushRoot(Heap::kUndefinedValueRootIndex); 28028e8294a88dc7d58f579aee0ba08c19fc8a616e2dsgjesse@chromium.org __ bind(&call); 28032ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org } 28042ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org 2805486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org // The receiver is either the global receiver or an object found by 2806e31286d471eb2e656a1809383fa16b76053dd673machenbach@chromium.org // LoadContextSlot. 2807a86d416fb652b1936026eee315eccd4f17ca1002machenbach@chromium.org EmitCall(expr); 280843c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org } else if (call_type == Call::PROPERTY_CALL) { 280943c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org Property* property = callee->AsProperty(); 2810a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org bool is_named_call = property->key()->IsPropertyName(); 2811a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org // super.x() is handled in EmitCallWithLoadIC. 2812a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org if (property->IsSuperAccess() && is_named_call) { 2813a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org EmitSuperCallWithLoadIC(expr); 2814b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org } else { 2815a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org { 2816a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org PreservePositionScope scope(masm()->positions_recorder()); 2817a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org VisitForStackValue(property->obj()); 2818a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org } 2819a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org if (is_named_call) { 2820a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org EmitCallWithLoadIC(expr); 2821a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org } else { 2822a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org EmitKeyedCallWithLoadIC(expr, property->key()); 2823a2c0c1516848536a514b3178d2c040b7df0ceb5bmachenbach@chromium.org } 2824b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org } 2825b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org } else { 2826e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(call_type == Call::OTHER_CALL); 2827486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org // Call to an arbitrary expression not handled specially above. 2828a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org { PreservePositionScope scope(masm()->positions_recorder()); 2829486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org VisitForStackValue(callee); 2830f0ac72dfa39ec827de605aafc57d4834237aa7f3whesse@chromium.org } 2831e31286d471eb2e656a1809383fa16b76053dd673machenbach@chromium.org __ PushRoot(Heap::kUndefinedValueRootIndex); 2832b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org // Emit function call. 2833a86d416fb652b1936026eee315eccd4f17ca1002machenbach@chromium.org EmitCall(expr); 2834b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org } 2835d2c22f0121ebc55ee26a9e742f0fd7c0b8397730kmillikin@chromium.org 2836d2c22f0121ebc55ee26a9e742f0fd7c0b8397730kmillikin@chromium.org#ifdef DEBUG 2837d2c22f0121ebc55ee26a9e742f0fd7c0b8397730kmillikin@chromium.org // RecordJSReturnSite should have been called. 2838e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(expr->return_is_recorded_); 2839d2c22f0121ebc55ee26a9e742f0fd7c0b8397730kmillikin@chromium.org#endif 2840b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org} 2841b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 2842b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 2843b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.orgvoid FullCodeGenerator::VisitCallNew(CallNew* expr) { 2844b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org Comment cmnt(masm_, "[ CallNew"); 2845b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org // According to ECMA-262, section 11.2.2, page 44, the function 2846b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org // expression in new calls must be evaluated before the 2847b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org // arguments. 2848b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 284965fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org // Push constructor on the stack. If it's not a function it's used as 285065fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org // receiver for CALL_NON_FUNCTION, otherwise the value on the stack is 285165fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org // ignored. 28524a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org VisitForStackValue(expr->expression()); 2853b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 2854b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org // Push the arguments ("left-to-right") on the stack. 2855b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org ZoneList<Expression*>* args = expr->arguments(); 2856b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org int arg_count = args->length(); 2857b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org for (int i = 0; i < arg_count; i++) { 28584a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org VisitForStackValue(args->at(i)); 2859b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org } 2860b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 2861b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org // Call the construct call builtin that handles allocation and 2862b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org // constructor invocation. 2863b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org SetSourcePosition(expr->position()); 2864b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 286565fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org // Load function and argument count into rdi and rax. 2866b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org __ Set(rax, arg_count); 286743c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rdi, Operand(rsp, arg_count * kPointerSize)); 2868b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 2869fa458e413c3e5b8d479e49258d060b7bb4567c57danno@chromium.org // Record call targets in unoptimized code, but not in the snapshot. 287069f64b1a8bfa6f5418b7c1f71d4e0833f76e93edmachenbach@chromium.org if (FLAG_pretenuring_call_new) { 2871a86d416fb652b1936026eee315eccd4f17ca1002machenbach@chromium.org EnsureSlotContainsAllocationSite(expr->AllocationSiteFeedbackSlot()); 2872e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(expr->AllocationSiteFeedbackSlot() == 287369f64b1a8bfa6f5418b7c1f71d4e0833f76e93edmachenbach@chromium.org expr->CallNewFeedbackSlot() + 1); 287469f64b1a8bfa6f5418b7c1f71d4e0833f76e93edmachenbach@chromium.org } 287569f64b1a8bfa6f5418b7c1f71d4e0833f76e93edmachenbach@chromium.org 2876f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org __ Move(rbx, FeedbackVector()); 2877f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org __ Move(rdx, Smi::FromInt(expr->CallNewFeedbackSlot())); 2878fa458e413c3e5b8d479e49258d060b7bb4567c57danno@chromium.org 2879a86d416fb652b1936026eee315eccd4f17ca1002machenbach@chromium.org CallConstructStub stub(isolate(), RECORD_CONSTRUCTOR_TARGET); 2880f2f0489407bbb5e50d16ae791442df29513b53b5machenbach@chromium.org __ Call(stub.GetCode(), RelocInfo::CONSTRUCT_CALL); 2881967e270a034432457500dbf950d2c4951a929e52ulan@chromium.org PrepareForBailoutForId(expr->ReturnId(), TOS_REG); 28824a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org context()->Plug(rax); 2883b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org} 2884b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 2885b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 2886c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.orgvoid FullCodeGenerator::EmitIsSmi(CallRuntime* expr) { 2887c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org ZoneList<Expression*>* args = expr->arguments(); 2888e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(args->length() == 1); 28899dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 28904a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org VisitForAccumulatorValue(args->at(0)); 28919dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 28929dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com Label materialize_true, materialize_false; 28939dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com Label* if_true = NULL; 28949dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com Label* if_false = NULL; 289565fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org Label* fall_through = NULL; 28964a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org context()->PrepareTest(&materialize_true, &materialize_false, 28974a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org &if_true, &if_false, &fall_through); 28989dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 2899c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org PrepareForBailoutBeforeSplit(expr, true, if_true, if_false); 29009dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ JumpIfSmi(rax, if_true); 29019dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ jmp(if_false); 29029dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 29034a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org context()->Plug(if_true, if_false); 29049dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com} 29059dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 29069dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 2907c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.orgvoid FullCodeGenerator::EmitIsNonNegativeSmi(CallRuntime* expr) { 2908c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org ZoneList<Expression*>* args = expr->arguments(); 2909e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(args->length() == 1); 29109dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 29114a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org VisitForAccumulatorValue(args->at(0)); 29129dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 29139dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com Label materialize_true, materialize_false; 29149dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com Label* if_true = NULL; 29159dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com Label* if_false = NULL; 291665fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org Label* fall_through = NULL; 29174a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org context()->PrepareTest(&materialize_true, &materialize_false, 29184a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org &if_true, &if_false, &fall_through); 29199dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 2920c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org PrepareForBailoutBeforeSplit(expr, true, if_true, if_false); 2921eb7c144137bd7d461d4996f752f1353a0856fac1ricow@chromium.org Condition non_negative_smi = masm()->CheckNonNegativeSmi(rax); 2922eb7c144137bd7d461d4996f752f1353a0856fac1ricow@chromium.org Split(non_negative_smi, if_true, if_false, fall_through); 29239dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 29244a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org context()->Plug(if_true, if_false); 29259dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com} 29269dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 29279dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 2928c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.orgvoid FullCodeGenerator::EmitIsObject(CallRuntime* expr) { 2929c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org ZoneList<Expression*>* args = expr->arguments(); 2930e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(args->length() == 1); 29319dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 29324a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org VisitForAccumulatorValue(args->at(0)); 29339dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 29349dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com Label materialize_true, materialize_false; 29359dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com Label* if_true = NULL; 29369dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com Label* if_false = NULL; 293765fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org Label* fall_through = NULL; 29384a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org context()->PrepareTest(&materialize_true, &materialize_false, 29394a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org &if_true, &if_false, &fall_through); 29409dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 29419dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ JumpIfSmi(rax, if_false); 29429dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ CompareRoot(rax, Heap::kNullValueRootIndex); 29439dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ j(equal, if_true); 294443c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rbx, FieldOperand(rax, HeapObject::kMapOffset)); 29459dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com // Undetectable objects behave like undefined when tested with typeof. 29469dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ testb(FieldOperand(rbx, Map::kBitFieldOffset), 29479dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com Immediate(1 << Map::kIsUndetectable)); 29489dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ j(not_zero, if_false); 2949895f00d1d8c5a7a7209c36d690688e3552de3df4machenbach@chromium.org __ movzxbp(rbx, FieldOperand(rbx, Map::kInstanceTypeOffset)); 29507a1bfbe9bc8295770315c55f7ce40822b7951aabmachenbach@chromium.org __ cmpp(rbx, Immediate(FIRST_NONCALLABLE_SPEC_OBJECT_TYPE)); 29519dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ j(below, if_false); 29527a1bfbe9bc8295770315c55f7ce40822b7951aabmachenbach@chromium.org __ cmpp(rbx, Immediate(LAST_NONCALLABLE_SPEC_OBJECT_TYPE)); 2953c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org PrepareForBailoutBeforeSplit(expr, true, if_true, if_false); 295465fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org Split(below_equal, if_true, if_false, fall_through); 29559dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 29564a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org context()->Plug(if_true, if_false); 29579dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com} 29589dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 29599dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 2960c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.orgvoid FullCodeGenerator::EmitIsSpecObject(CallRuntime* expr) { 2961c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org ZoneList<Expression*>* args = expr->arguments(); 2962e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(args->length() == 1); 29634980dff4208f9b77bc5320af43d7cc4b2a3d9688ricow@chromium.org 29644a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org VisitForAccumulatorValue(args->at(0)); 29654980dff4208f9b77bc5320af43d7cc4b2a3d9688ricow@chromium.org 29664980dff4208f9b77bc5320af43d7cc4b2a3d9688ricow@chromium.org Label materialize_true, materialize_false; 29674980dff4208f9b77bc5320af43d7cc4b2a3d9688ricow@chromium.org Label* if_true = NULL; 29684980dff4208f9b77bc5320af43d7cc4b2a3d9688ricow@chromium.org Label* if_false = NULL; 296965fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org Label* fall_through = NULL; 29704a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org context()->PrepareTest(&materialize_true, &materialize_false, 29714a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org &if_true, &if_false, &fall_through); 29724980dff4208f9b77bc5320af43d7cc4b2a3d9688ricow@chromium.org 29734980dff4208f9b77bc5320af43d7cc4b2a3d9688ricow@chromium.org __ JumpIfSmi(rax, if_false); 2974d2be901879306d8ff27e78e37783028d581d46fcricow@chromium.org __ CmpObjectType(rax, FIRST_SPEC_OBJECT_TYPE, rbx); 2975c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org PrepareForBailoutBeforeSplit(expr, true, if_true, if_false); 297665fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org Split(above_equal, if_true, if_false, fall_through); 29774980dff4208f9b77bc5320af43d7cc4b2a3d9688ricow@chromium.org 29784a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org context()->Plug(if_true, if_false); 29794980dff4208f9b77bc5320af43d7cc4b2a3d9688ricow@chromium.org} 29804980dff4208f9b77bc5320af43d7cc4b2a3d9688ricow@chromium.org 29814980dff4208f9b77bc5320af43d7cc4b2a3d9688ricow@chromium.org 2982c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.orgvoid FullCodeGenerator::EmitIsUndetectableObject(CallRuntime* expr) { 2983c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org ZoneList<Expression*>* args = expr->arguments(); 2984e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(args->length() == 1); 29859dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 29864a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org VisitForAccumulatorValue(args->at(0)); 29879dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 29889dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com Label materialize_true, materialize_false; 29899dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com Label* if_true = NULL; 29909dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com Label* if_false = NULL; 299165fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org Label* fall_through = NULL; 29924a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org context()->PrepareTest(&materialize_true, &materialize_false, 29934a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org &if_true, &if_false, &fall_through); 29949dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 29959dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ JumpIfSmi(rax, if_false); 299643c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rbx, FieldOperand(rax, HeapObject::kMapOffset)); 29979dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ testb(FieldOperand(rbx, Map::kBitFieldOffset), 29989dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com Immediate(1 << Map::kIsUndetectable)); 2999c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org PrepareForBailoutBeforeSplit(expr, true, if_true, if_false); 300065fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org Split(not_zero, if_true, if_false, fall_through); 30019dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 30024a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org context()->Plug(if_true, if_false); 30039dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com} 30049dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 30059dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 3006ea4f62e1df22417fc8dc2c2425485dca98b13d07ager@chromium.orgvoid FullCodeGenerator::EmitIsStringWrapperSafeForDefaultValueOf( 3007c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org CallRuntime* expr) { 3008c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org ZoneList<Expression*>* args = expr->arguments(); 3009e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(args->length() == 1); 3010ea4f62e1df22417fc8dc2c2425485dca98b13d07ager@chromium.org 30114a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org VisitForAccumulatorValue(args->at(0)); 3012ea4f62e1df22417fc8dc2c2425485dca98b13d07ager@chromium.org 30134a35c5a501e5b966f895ddea8e19c3ca232cb23fdslomov@chromium.org Label materialize_true, materialize_false, skip_lookup; 3014ea4f62e1df22417fc8dc2c2425485dca98b13d07ager@chromium.org Label* if_true = NULL; 3015ea4f62e1df22417fc8dc2c2425485dca98b13d07ager@chromium.org Label* if_false = NULL; 301665fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org Label* fall_through = NULL; 30174a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org context()->PrepareTest(&materialize_true, &materialize_false, 30184a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org &if_true, &if_false, &fall_through); 3019ea4f62e1df22417fc8dc2c2425485dca98b13d07ager@chromium.org 3020c859c4f83f6ec3e010213dbbe447cc1f927d01c5svenpanne@chromium.org __ AssertNotSmi(rax); 3021c36ce6e8979bbbd43539f0a0effc87ea20dd65cckmillikin@chromium.org 3022c36ce6e8979bbbd43539f0a0effc87ea20dd65cckmillikin@chromium.org // Check whether this map has already been checked to be safe for default 3023c36ce6e8979bbbd43539f0a0effc87ea20dd65cckmillikin@chromium.org // valueOf. 302443c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rbx, FieldOperand(rax, HeapObject::kMapOffset)); 3025c36ce6e8979bbbd43539f0a0effc87ea20dd65cckmillikin@chromium.org __ testb(FieldOperand(rbx, Map::kBitField2Offset), 3026c36ce6e8979bbbd43539f0a0effc87ea20dd65cckmillikin@chromium.org Immediate(1 << Map::kStringWrapperSafeForDefaultValueOf)); 30274a35c5a501e5b966f895ddea8e19c3ca232cb23fdslomov@chromium.org __ j(not_zero, &skip_lookup); 3028c36ce6e8979bbbd43539f0a0effc87ea20dd65cckmillikin@chromium.org 3029c36ce6e8979bbbd43539f0a0effc87ea20dd65cckmillikin@chromium.org // Check for fast case object. Generate false result for slow case object. 303043c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rcx, FieldOperand(rax, JSObject::kPropertiesOffset)); 303143c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rcx, FieldOperand(rcx, HeapObject::kMapOffset)); 3032c36ce6e8979bbbd43539f0a0effc87ea20dd65cckmillikin@chromium.org __ CompareRoot(rcx, Heap::kHashTableMapRootIndex); 3033c36ce6e8979bbbd43539f0a0effc87ea20dd65cckmillikin@chromium.org __ j(equal, if_false); 3034c36ce6e8979bbbd43539f0a0effc87ea20dd65cckmillikin@chromium.org 30354a9f6553038df6b893b3d3ccae351723f4cbbae7yangguo@chromium.org // Look for valueOf string in the descriptor array, and indicate false if 303606ab2ec756e44eeaf7500b9794f9d2abc79dc8cfverwaest@chromium.org // found. Since we omit an enumeration index check, if it is added via a 303706ab2ec756e44eeaf7500b9794f9d2abc79dc8cfverwaest@chromium.org // transition that shares its descriptor array, this is a false positive. 303806ab2ec756e44eeaf7500b9794f9d2abc79dc8cfverwaest@chromium.org Label entry, loop, done; 303906ab2ec756e44eeaf7500b9794f9d2abc79dc8cfverwaest@chromium.org 304006ab2ec756e44eeaf7500b9794f9d2abc79dc8cfverwaest@chromium.org // Skip loop if no descriptors are valid. 304106ab2ec756e44eeaf7500b9794f9d2abc79dc8cfverwaest@chromium.org __ NumberOfOwnDescriptors(rcx, rbx); 30427a1bfbe9bc8295770315c55f7ce40822b7951aabmachenbach@chromium.org __ cmpp(rcx, Immediate(0)); 304306ab2ec756e44eeaf7500b9794f9d2abc79dc8cfverwaest@chromium.org __ j(equal, &done); 304406ab2ec756e44eeaf7500b9794f9d2abc79dc8cfverwaest@chromium.org 30454a35c5a501e5b966f895ddea8e19c3ca232cb23fdslomov@chromium.org __ LoadInstanceDescriptors(rbx, r8); 304606ab2ec756e44eeaf7500b9794f9d2abc79dc8cfverwaest@chromium.org // rbx: descriptor array. 304706ab2ec756e44eeaf7500b9794f9d2abc79dc8cfverwaest@chromium.org // rcx: valid entries in the descriptor array. 3048c36ce6e8979bbbd43539f0a0effc87ea20dd65cckmillikin@chromium.org // Calculate the end of the descriptor array. 3049fa0c3c69b9d632e5730bdd9c745c375beef5e54dmachenbach@chromium.org __ imulp(rcx, rcx, Immediate(DescriptorArray::kDescriptorSize)); 305008e7569a10f8edbb47b8fe70a6e160a4e0c9cd30machenbach@chromium.org __ leap(rcx, 305108e7569a10f8edbb47b8fe70a6e160a4e0c9cd30machenbach@chromium.org Operand(r8, rcx, times_pointer_size, DescriptorArray::kFirstOffset)); 3052c36ce6e8979bbbd43539f0a0effc87ea20dd65cckmillikin@chromium.org // Calculate location of the first key name. 3053fa0c3c69b9d632e5730bdd9c745c375beef5e54dmachenbach@chromium.org __ addp(r8, Immediate(DescriptorArray::kFirstOffset)); 3054c36ce6e8979bbbd43539f0a0effc87ea20dd65cckmillikin@chromium.org // Loop through all the keys in the descriptor array. If one of these is the 30554a9f6553038df6b893b3d3ccae351723f4cbbae7yangguo@chromium.org // internalized string "valueOf" the result is false. 3056c36ce6e8979bbbd43539f0a0effc87ea20dd65cckmillikin@chromium.org __ jmp(&entry); 3057c36ce6e8979bbbd43539f0a0effc87ea20dd65cckmillikin@chromium.org __ bind(&loop); 305843c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rdx, FieldOperand(r8, 0)); 3059d4be0f0c0edfc0a0b46e745055c3dc497c0ffcb5verwaest@chromium.org __ Cmp(rdx, isolate()->factory()->value_of_string()); 3060c36ce6e8979bbbd43539f0a0effc87ea20dd65cckmillikin@chromium.org __ j(equal, if_false); 3061fa0c3c69b9d632e5730bdd9c745c375beef5e54dmachenbach@chromium.org __ addp(r8, Immediate(DescriptorArray::kDescriptorSize * kPointerSize)); 3062c36ce6e8979bbbd43539f0a0effc87ea20dd65cckmillikin@chromium.org __ bind(&entry); 30637a1bfbe9bc8295770315c55f7ce40822b7951aabmachenbach@chromium.org __ cmpp(r8, rcx); 3064c36ce6e8979bbbd43539f0a0effc87ea20dd65cckmillikin@chromium.org __ j(not_equal, &loop); 3065c36ce6e8979bbbd43539f0a0effc87ea20dd65cckmillikin@chromium.org 306606ab2ec756e44eeaf7500b9794f9d2abc79dc8cfverwaest@chromium.org __ bind(&done); 30674a35c5a501e5b966f895ddea8e19c3ca232cb23fdslomov@chromium.org 30684a35c5a501e5b966f895ddea8e19c3ca232cb23fdslomov@chromium.org // Set the bit in the map to indicate that there is no local valueOf field. 3069895f00d1d8c5a7a7209c36d690688e3552de3df4machenbach@chromium.org __ orp(FieldOperand(rbx, Map::kBitField2Offset), 30704a35c5a501e5b966f895ddea8e19c3ca232cb23fdslomov@chromium.org Immediate(1 << Map::kStringWrapperSafeForDefaultValueOf)); 30714a35c5a501e5b966f895ddea8e19c3ca232cb23fdslomov@chromium.org 30724a35c5a501e5b966f895ddea8e19c3ca232cb23fdslomov@chromium.org __ bind(&skip_lookup); 3073c36ce6e8979bbbd43539f0a0effc87ea20dd65cckmillikin@chromium.org 307406ab2ec756e44eeaf7500b9794f9d2abc79dc8cfverwaest@chromium.org // If a valueOf property is not found on the object check that its 3075c36ce6e8979bbbd43539f0a0effc87ea20dd65cckmillikin@chromium.org // prototype is the un-modified String prototype. If not result is false. 307643c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rcx, FieldOperand(rbx, Map::kPrototypeOffset)); 30777a1bfbe9bc8295770315c55f7ce40822b7951aabmachenbach@chromium.org __ testp(rcx, Immediate(kSmiTagMask)); 3078c36ce6e8979bbbd43539f0a0effc87ea20dd65cckmillikin@chromium.org __ j(zero, if_false); 307943c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rcx, FieldOperand(rcx, HeapObject::kMapOffset)); 308043c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rdx, Operand(rsi, Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX))); 308143c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rdx, FieldOperand(rdx, GlobalObject::kNativeContextOffset)); 30827a1bfbe9bc8295770315c55f7ce40822b7951aabmachenbach@chromium.org __ cmpp(rcx, 3083c36ce6e8979bbbd43539f0a0effc87ea20dd65cckmillikin@chromium.org ContextOperand(rdx, Context::STRING_FUNCTION_PROTOTYPE_MAP_INDEX)); 3084c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org PrepareForBailoutBeforeSplit(expr, true, if_true, if_false); 30854a35c5a501e5b966f895ddea8e19c3ca232cb23fdslomov@chromium.org Split(equal, if_true, if_false, fall_through); 30864a35c5a501e5b966f895ddea8e19c3ca232cb23fdslomov@chromium.org 30874a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org context()->Plug(if_true, if_false); 3088ea4f62e1df22417fc8dc2c2425485dca98b13d07ager@chromium.org} 3089ea4f62e1df22417fc8dc2c2425485dca98b13d07ager@chromium.org 3090ea4f62e1df22417fc8dc2c2425485dca98b13d07ager@chromium.org 3091c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.orgvoid FullCodeGenerator::EmitIsFunction(CallRuntime* expr) { 3092c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org ZoneList<Expression*>* args = expr->arguments(); 3093e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(args->length() == 1); 30949dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 30954a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org VisitForAccumulatorValue(args->at(0)); 30969dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 30979dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com Label materialize_true, materialize_false; 30989dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com Label* if_true = NULL; 30999dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com Label* if_false = NULL; 310065fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org Label* fall_through = NULL; 31014a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org context()->PrepareTest(&materialize_true, &materialize_false, 31024a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org &if_true, &if_false, &fall_through); 31039dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 31049dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ JumpIfSmi(rax, if_false); 31059dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ CmpObjectType(rax, JS_FUNCTION_TYPE, rbx); 3106c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org PrepareForBailoutBeforeSplit(expr, true, if_true, if_false); 310765fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org Split(equal, if_true, if_false, fall_through); 31089dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 31094a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org context()->Plug(if_true, if_false); 31109dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com} 31119dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 31129dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 31130cc095007a3ccded63f6577751c6a04300eb7ae9machenbach@chromium.orgvoid FullCodeGenerator::EmitIsMinusZero(CallRuntime* expr) { 31140cc095007a3ccded63f6577751c6a04300eb7ae9machenbach@chromium.org ZoneList<Expression*>* args = expr->arguments(); 3115e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(args->length() == 1); 31160cc095007a3ccded63f6577751c6a04300eb7ae9machenbach@chromium.org 31170cc095007a3ccded63f6577751c6a04300eb7ae9machenbach@chromium.org VisitForAccumulatorValue(args->at(0)); 31180cc095007a3ccded63f6577751c6a04300eb7ae9machenbach@chromium.org 31190cc095007a3ccded63f6577751c6a04300eb7ae9machenbach@chromium.org Label materialize_true, materialize_false; 31200cc095007a3ccded63f6577751c6a04300eb7ae9machenbach@chromium.org Label* if_true = NULL; 31210cc095007a3ccded63f6577751c6a04300eb7ae9machenbach@chromium.org Label* if_false = NULL; 31220cc095007a3ccded63f6577751c6a04300eb7ae9machenbach@chromium.org Label* fall_through = NULL; 31230cc095007a3ccded63f6577751c6a04300eb7ae9machenbach@chromium.org context()->PrepareTest(&materialize_true, &materialize_false, 31240cc095007a3ccded63f6577751c6a04300eb7ae9machenbach@chromium.org &if_true, &if_false, &fall_through); 31250cc095007a3ccded63f6577751c6a04300eb7ae9machenbach@chromium.org 31260cc095007a3ccded63f6577751c6a04300eb7ae9machenbach@chromium.org Handle<Map> map = masm()->isolate()->factory()->heap_number_map(); 31270cc095007a3ccded63f6577751c6a04300eb7ae9machenbach@chromium.org __ CheckMap(rax, map, if_false, DO_SMI_CHECK); 31280cc095007a3ccded63f6577751c6a04300eb7ae9machenbach@chromium.org __ cmpl(FieldOperand(rax, HeapNumber::kExponentOffset), 3129a221880197f38ff22d942851060daffa5d036bdfmachenbach@chromium.org Immediate(0x1)); 3130a221880197f38ff22d942851060daffa5d036bdfmachenbach@chromium.org __ j(no_overflow, if_false); 31310cc095007a3ccded63f6577751c6a04300eb7ae9machenbach@chromium.org __ cmpl(FieldOperand(rax, HeapNumber::kMantissaOffset), 31320cc095007a3ccded63f6577751c6a04300eb7ae9machenbach@chromium.org Immediate(0x00000000)); 31330cc095007a3ccded63f6577751c6a04300eb7ae9machenbach@chromium.org PrepareForBailoutBeforeSplit(expr, true, if_true, if_false); 31340cc095007a3ccded63f6577751c6a04300eb7ae9machenbach@chromium.org Split(equal, if_true, if_false, fall_through); 31350cc095007a3ccded63f6577751c6a04300eb7ae9machenbach@chromium.org 31360cc095007a3ccded63f6577751c6a04300eb7ae9machenbach@chromium.org context()->Plug(if_true, if_false); 31370cc095007a3ccded63f6577751c6a04300eb7ae9machenbach@chromium.org} 31380cc095007a3ccded63f6577751c6a04300eb7ae9machenbach@chromium.org 31390cc095007a3ccded63f6577751c6a04300eb7ae9machenbach@chromium.org 3140c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.orgvoid FullCodeGenerator::EmitIsArray(CallRuntime* expr) { 3141c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org ZoneList<Expression*>* args = expr->arguments(); 3142e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(args->length() == 1); 31439dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 31444a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org VisitForAccumulatorValue(args->at(0)); 31459dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 31469dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com Label materialize_true, materialize_false; 31479dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com Label* if_true = NULL; 31489dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com Label* if_false = NULL; 314965fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org Label* fall_through = NULL; 31504a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org context()->PrepareTest(&materialize_true, &materialize_false, 31514a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org &if_true, &if_false, &fall_through); 31529dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 31539dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ JumpIfSmi(rax, if_false); 31549dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ CmpObjectType(rax, JS_ARRAY_TYPE, rbx); 3155c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org PrepareForBailoutBeforeSplit(expr, true, if_true, if_false); 315665fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org Split(equal, if_true, if_false, fall_through); 31579dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 31584a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org context()->Plug(if_true, if_false); 31599dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com} 31609dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 31619dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 3162c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.orgvoid FullCodeGenerator::EmitIsRegExp(CallRuntime* expr) { 3163c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org ZoneList<Expression*>* args = expr->arguments(); 3164e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(args->length() == 1); 31659dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 31664a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org VisitForAccumulatorValue(args->at(0)); 31679dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 31689dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com Label materialize_true, materialize_false; 31699dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com Label* if_true = NULL; 31709dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com Label* if_false = NULL; 317165fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org Label* fall_through = NULL; 31724a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org context()->PrepareTest(&materialize_true, &materialize_false, 31734a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org &if_true, &if_false, &fall_through); 31749dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 31759dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ JumpIfSmi(rax, if_false); 31769dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ CmpObjectType(rax, JS_REGEXP_TYPE, rbx); 3177c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org PrepareForBailoutBeforeSplit(expr, true, if_true, if_false); 317865fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org Split(equal, if_true, if_false, fall_through); 31799dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 31804a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org context()->Plug(if_true, if_false); 31819dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com} 31829dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 31839dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 31849dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 3185c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.orgvoid FullCodeGenerator::EmitIsConstructCall(CallRuntime* expr) { 3186e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(expr->arguments()->length() == 0); 31879dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 31889dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com Label materialize_true, materialize_false; 31899dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com Label* if_true = NULL; 31909dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com Label* if_false = NULL; 319165fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org Label* fall_through = NULL; 31924a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org context()->PrepareTest(&materialize_true, &materialize_false, 31934a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org &if_true, &if_false, &fall_through); 31949dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 31959dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com // Get the frame pointer for the calling frame. 319643c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rax, Operand(rbp, StandardFrameConstants::kCallerFPOffset)); 31979dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 31989dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com // Skip the arguments adaptor frame if it exists. 31999dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com Label check_frame_marker; 3200badaffc570baec00166b0ad3bdc96995751a7e13ricow@chromium.org __ Cmp(Operand(rax, StandardFrameConstants::kContextOffset), 3201badaffc570baec00166b0ad3bdc96995751a7e13ricow@chromium.org Smi::FromInt(StackFrame::ARGUMENTS_ADAPTOR)); 32029dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ j(not_equal, &check_frame_marker); 320343c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rax, Operand(rax, StandardFrameConstants::kCallerFPOffset)); 32049dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 32059dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com // Check the marker in the calling frame. 32069dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ bind(&check_frame_marker); 3207badaffc570baec00166b0ad3bdc96995751a7e13ricow@chromium.org __ Cmp(Operand(rax, StandardFrameConstants::kMarkerOffset), 3208badaffc570baec00166b0ad3bdc96995751a7e13ricow@chromium.org Smi::FromInt(StackFrame::CONSTRUCT)); 3209c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org PrepareForBailoutBeforeSplit(expr, true, if_true, if_false); 321065fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org Split(equal, if_true, if_false, fall_through); 32119dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 32124a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org context()->Plug(if_true, if_false); 32139dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com} 32149dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 32159dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 3216c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.orgvoid FullCodeGenerator::EmitObjectEquals(CallRuntime* expr) { 3217c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org ZoneList<Expression*>* args = expr->arguments(); 3218e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(args->length() == 2); 32199dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 32209dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com // Load the two objects into registers and perform the comparison. 32214a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org VisitForStackValue(args->at(0)); 32224a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org VisitForAccumulatorValue(args->at(1)); 32239dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 32249dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com Label materialize_true, materialize_false; 32259dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com Label* if_true = NULL; 32269dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com Label* if_false = NULL; 322765fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org Label* fall_through = NULL; 32284a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org context()->PrepareTest(&materialize_true, &materialize_false, 32294a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org &if_true, &if_false, &fall_through); 32309dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 3231763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Pop(rbx); 32327a1bfbe9bc8295770315c55f7ce40822b7951aabmachenbach@chromium.org __ cmpp(rax, rbx); 3233c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org PrepareForBailoutBeforeSplit(expr, true, if_true, if_false); 323465fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org Split(equal, if_true, if_false, fall_through); 32359dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 32364a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org context()->Plug(if_true, if_false); 32379dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com} 32389dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 32399dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 3240c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.orgvoid FullCodeGenerator::EmitArguments(CallRuntime* expr) { 3241c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org ZoneList<Expression*>* args = expr->arguments(); 3242e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(args->length() == 1); 32439dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 3244d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org // ArgumentsAccessStub expects the key in rdx and the formal 3245d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org // parameter count in rax. 32464a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org VisitForAccumulatorValue(args->at(0)); 324743c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rdx, rax); 32484f693d6b99ffdbc05e5e211e08ed5039e13279d2ricow@chromium.org __ Move(rax, Smi::FromInt(info_->scope()->num_parameters())); 3249f2f0489407bbb5e50d16ae791442df29513b53b5machenbach@chromium.org ArgumentsAccessStub stub(isolate(), ArgumentsAccessStub::READ_ELEMENT); 32509dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ CallStub(&stub); 32514a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org context()->Plug(rax); 32529dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com} 32539dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 32549dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 3255c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.orgvoid FullCodeGenerator::EmitArgumentsLength(CallRuntime* expr) { 3256e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(expr->arguments()->length() == 0); 32579dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 325883a4728861129dc263ded92157f3e6389f851f19karlklose@chromium.org Label exit; 32599dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com // Get the number of formal parameters. 32604f693d6b99ffdbc05e5e211e08ed5039e13279d2ricow@chromium.org __ Move(rax, Smi::FromInt(info_->scope()->num_parameters())); 32619dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 32629dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com // Check if the calling frame is an arguments adaptor frame. 326343c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rbx, Operand(rbp, StandardFrameConstants::kCallerFPOffset)); 3264badaffc570baec00166b0ad3bdc96995751a7e13ricow@chromium.org __ Cmp(Operand(rbx, StandardFrameConstants::kContextOffset), 3265badaffc570baec00166b0ad3bdc96995751a7e13ricow@chromium.org Smi::FromInt(StackFrame::ARGUMENTS_ADAPTOR)); 326683a4728861129dc263ded92157f3e6389f851f19karlklose@chromium.org __ j(not_equal, &exit, Label::kNear); 32679dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 32689dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com // Arguments adaptor case: Read the arguments length from the 32699dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com // adaptor frame. 327043c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rax, Operand(rbx, ArgumentsAdaptorFrameConstants::kLengthOffset)); 32719dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 32729dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ bind(&exit); 3273c859c4f83f6ec3e010213dbbe447cc1f927d01c5svenpanne@chromium.org __ AssertSmi(rax); 32744a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org context()->Plug(rax); 32759dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com} 32769dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 32779dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 3278c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.orgvoid FullCodeGenerator::EmitClassOf(CallRuntime* expr) { 3279c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org ZoneList<Expression*>* args = expr->arguments(); 3280e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(args->length() == 1); 32819dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com Label done, null, function, non_function_constructor; 32829dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 32834a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org VisitForAccumulatorValue(args->at(0)); 32849dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 32859dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com // If the object is a smi, we return null. 32869dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ JumpIfSmi(rax, &null); 32879dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 32889dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com // Check that the object is a JS object but take special care of JS 32899dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com // functions to make sure they have 'Function' as their class. 3290c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com // Assume that there are only two callable types, and one of them is at 3291c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com // either end of the type range for JS object types. Saves extra comparisons. 3292c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com STATIC_ASSERT(NUM_OF_CALLABLE_SPEC_OBJECT_TYPES == 2); 3293d2be901879306d8ff27e78e37783028d581d46fcricow@chromium.org __ CmpObjectType(rax, FIRST_SPEC_OBJECT_TYPE, rax); 3294d2be901879306d8ff27e78e37783028d581d46fcricow@chromium.org // Map is now in rax. 32959dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ j(below, &null); 3296c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com STATIC_ASSERT(FIRST_NONCALLABLE_SPEC_OBJECT_TYPE == 3297c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com FIRST_SPEC_OBJECT_TYPE + 1); 3298c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com __ j(equal, &function); 3299c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com 3300c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com __ CmpInstanceType(rax, LAST_SPEC_OBJECT_TYPE); 3301c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com STATIC_ASSERT(LAST_NONCALLABLE_SPEC_OBJECT_TYPE == 3302c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com LAST_SPEC_OBJECT_TYPE - 1); 3303c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com __ j(equal, &function); 3304c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com // Assume that there is no larger type. 3305c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com STATIC_ASSERT(LAST_NONCALLABLE_SPEC_OBJECT_TYPE == LAST_TYPE - 1); 3306c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com 3307c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com // Check if the constructor in the map is a JS function. 330843c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rax, FieldOperand(rax, Map::kConstructorOffset)); 33099dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ CmpObjectType(rax, JS_FUNCTION_TYPE, rbx); 33109dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ j(not_equal, &non_function_constructor); 33119dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 33129dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com // rax now contains the constructor function. Grab the 33139dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com // instance class name from there. 331443c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rax, FieldOperand(rax, JSFunction::kSharedFunctionInfoOffset)); 331543c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rax, FieldOperand(rax, SharedFunctionInfo::kInstanceClassNameOffset)); 33169dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ jmp(&done); 33179dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 33189dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com // Functions have class 'Function'. 33199dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ bind(&function); 33205e57059e20217fd540b60c237d326414afe2171emachenbach@chromium.org __ Move(rax, isolate()->factory()->Function_string()); 33219dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ jmp(&done); 33229dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 33239dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com // Objects with a non-function constructor have class 'Object'. 33249dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ bind(&non_function_constructor); 33254a9f6553038df6b893b3d3ccae351723f4cbbae7yangguo@chromium.org __ Move(rax, isolate()->factory()->Object_string()); 33269dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ jmp(&done); 33279dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 33289dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com // Non-JS objects have class null. 33299dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ bind(&null); 33309dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ LoadRoot(rax, Heap::kNullValueRootIndex); 33319dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 33329dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com // All done. 33339dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ bind(&done); 33349dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 33354a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org context()->Plug(rax); 33369dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com} 33379dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 33389dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 3339c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.orgvoid FullCodeGenerator::EmitSubString(CallRuntime* expr) { 33409dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com // Load the arguments on the stack and call the stub. 3341f2f0489407bbb5e50d16ae791442df29513b53b5machenbach@chromium.org SubStringStub stub(isolate()); 3342c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org ZoneList<Expression*>* args = expr->arguments(); 3343e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(args->length() == 3); 33444a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org VisitForStackValue(args->at(0)); 33454a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org VisitForStackValue(args->at(1)); 33464a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org VisitForStackValue(args->at(2)); 33479dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ CallStub(&stub); 33484a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org context()->Plug(rax); 33499dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com} 33509dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 33519dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 3352c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.orgvoid FullCodeGenerator::EmitRegExpExec(CallRuntime* expr) { 33539dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com // Load the arguments on the stack and call the stub. 3354f2f0489407bbb5e50d16ae791442df29513b53b5machenbach@chromium.org RegExpExecStub stub(isolate()); 3355c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org ZoneList<Expression*>* args = expr->arguments(); 3356e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(args->length() == 4); 33574a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org VisitForStackValue(args->at(0)); 33584a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org VisitForStackValue(args->at(1)); 33594a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org VisitForStackValue(args->at(2)); 33604a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org VisitForStackValue(args->at(3)); 33619dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ CallStub(&stub); 33624a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org context()->Plug(rax); 33639dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com} 33649dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 33659dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 3366c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.orgvoid FullCodeGenerator::EmitValueOf(CallRuntime* expr) { 3367c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org ZoneList<Expression*>* args = expr->arguments(); 3368e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(args->length() == 1); 33699dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 33704a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org VisitForAccumulatorValue(args->at(0)); // Load the object. 33719dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 33729dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com Label done; 33739dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com // If the object is a smi return the object. 33749dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ JumpIfSmi(rax, &done); 33759dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com // If the object is not a value type, return the object. 33769dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ CmpObjectType(rax, JS_VALUE_TYPE, rbx); 33779dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ j(not_equal, &done); 337843c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rax, FieldOperand(rax, JSValue::kValueOffset)); 33799dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 33809dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ bind(&done); 33814a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org context()->Plug(rax); 33829dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com} 33839dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 33849dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 33854efbdb18fa3063085682c44cc77cf5254cb3d75dsvenpanne@chromium.orgvoid FullCodeGenerator::EmitDateField(CallRuntime* expr) { 33864efbdb18fa3063085682c44cc77cf5254cb3d75dsvenpanne@chromium.org ZoneList<Expression*>* args = expr->arguments(); 3387e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(args->length() == 2); 3388e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK_NE(NULL, args->at(1)->AsLiteral()); 33891510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org Smi* index = Smi::cast(*(args->at(1)->AsLiteral()->value())); 33904efbdb18fa3063085682c44cc77cf5254cb3d75dsvenpanne@chromium.org 33914efbdb18fa3063085682c44cc77cf5254cb3d75dsvenpanne@chromium.org VisitForAccumulatorValue(args->at(0)); // Load the object. 33924efbdb18fa3063085682c44cc77cf5254cb3d75dsvenpanne@chromium.org 3393de88679a78f9dae12fdf7955610969ac4c79b0bemstarzinger@chromium.org Label runtime, done, not_date_object; 33944efbdb18fa3063085682c44cc77cf5254cb3d75dsvenpanne@chromium.org Register object = rax; 33954efbdb18fa3063085682c44cc77cf5254cb3d75dsvenpanne@chromium.org Register result = rax; 33964efbdb18fa3063085682c44cc77cf5254cb3d75dsvenpanne@chromium.org Register scratch = rcx; 33974efbdb18fa3063085682c44cc77cf5254cb3d75dsvenpanne@chromium.org 3398de88679a78f9dae12fdf7955610969ac4c79b0bemstarzinger@chromium.org __ JumpIfSmi(object, ¬_date_object); 33994efbdb18fa3063085682c44cc77cf5254cb3d75dsvenpanne@chromium.org __ CmpObjectType(object, JS_DATE_TYPE, scratch); 3400de88679a78f9dae12fdf7955610969ac4c79b0bemstarzinger@chromium.org __ j(not_equal, ¬_date_object); 34014efbdb18fa3063085682c44cc77cf5254cb3d75dsvenpanne@chromium.org 34024efbdb18fa3063085682c44cc77cf5254cb3d75dsvenpanne@chromium.org if (index->value() == 0) { 340343c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(result, FieldOperand(object, JSDate::kValueOffset)); 3404de88679a78f9dae12fdf7955610969ac4c79b0bemstarzinger@chromium.org __ jmp(&done); 34054efbdb18fa3063085682c44cc77cf5254cb3d75dsvenpanne@chromium.org } else { 34064efbdb18fa3063085682c44cc77cf5254cb3d75dsvenpanne@chromium.org if (index->value() < JSDate::kFirstUncachedField) { 34074efbdb18fa3063085682c44cc77cf5254cb3d75dsvenpanne@chromium.org ExternalReference stamp = ExternalReference::date_cache_stamp(isolate()); 34086e196bfaf0e555d0c835390bb6ebc0a74484491dulan@chromium.org Operand stamp_operand = __ ExternalOperand(stamp); 340943c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(scratch, stamp_operand); 34107a1bfbe9bc8295770315c55f7ce40822b7951aabmachenbach@chromium.org __ cmpp(scratch, FieldOperand(object, JSDate::kCacheStampOffset)); 34114efbdb18fa3063085682c44cc77cf5254cb3d75dsvenpanne@chromium.org __ j(not_equal, &runtime, Label::kNear); 341243c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(result, FieldOperand(object, JSDate::kValueOffset + 34134efbdb18fa3063085682c44cc77cf5254cb3d75dsvenpanne@chromium.org kPointerSize * index->value())); 34144efbdb18fa3063085682c44cc77cf5254cb3d75dsvenpanne@chromium.org __ jmp(&done); 34154efbdb18fa3063085682c44cc77cf5254cb3d75dsvenpanne@chromium.org } 34164efbdb18fa3063085682c44cc77cf5254cb3d75dsvenpanne@chromium.org __ bind(&runtime); 34174efbdb18fa3063085682c44cc77cf5254cb3d75dsvenpanne@chromium.org __ PrepareCallCFunction(2); 341843c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(arg_reg_1, object); 3419af4fba3c6d2a18866505de3e6798757dd1448c6dmachenbach@chromium.org __ Move(arg_reg_2, index, Assembler::RelocInfoNone()); 34204efbdb18fa3063085682c44cc77cf5254cb3d75dsvenpanne@chromium.org __ CallCFunction(ExternalReference::get_date_field_function(isolate()), 2); 342143c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rsi, Operand(rbp, StandardFrameConstants::kContextOffset)); 3422de88679a78f9dae12fdf7955610969ac4c79b0bemstarzinger@chromium.org __ jmp(&done); 34234efbdb18fa3063085682c44cc77cf5254cb3d75dsvenpanne@chromium.org } 3424de88679a78f9dae12fdf7955610969ac4c79b0bemstarzinger@chromium.org 3425de88679a78f9dae12fdf7955610969ac4c79b0bemstarzinger@chromium.org __ bind(¬_date_object); 342647390597afd6b17870f41dfb5dd8c057aea1f068machenbach@chromium.org __ CallRuntime(Runtime::kThrowNotDateError, 0); 3427de88679a78f9dae12fdf7955610969ac4c79b0bemstarzinger@chromium.org __ bind(&done); 34284efbdb18fa3063085682c44cc77cf5254cb3d75dsvenpanne@chromium.org context()->Plug(rax); 34294efbdb18fa3063085682c44cc77cf5254cb3d75dsvenpanne@chromium.org} 34304efbdb18fa3063085682c44cc77cf5254cb3d75dsvenpanne@chromium.org 34314efbdb18fa3063085682c44cc77cf5254cb3d75dsvenpanne@chromium.org 343232280cf2786219b2d9a668f7f00778fb59ac40b3mstarzinger@chromium.orgvoid FullCodeGenerator::EmitOneByteSeqStringSetChar(CallRuntime* expr) { 343332280cf2786219b2d9a668f7f00778fb59ac40b3mstarzinger@chromium.org ZoneList<Expression*>* args = expr->arguments(); 3434e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK_EQ(3, args->length()); 343532280cf2786219b2d9a668f7f00778fb59ac40b3mstarzinger@chromium.org 3436a53e8e03bcb23716d1025de362626f90f00da892svenpanne@chromium.org Register string = rax; 3437a53e8e03bcb23716d1025de362626f90f00da892svenpanne@chromium.org Register index = rbx; 3438a53e8e03bcb23716d1025de362626f90f00da892svenpanne@chromium.org Register value = rcx; 3439a53e8e03bcb23716d1025de362626f90f00da892svenpanne@chromium.org 3440b376fed08cb9d90a3f67f655adf63c4b35feb106machenbach@chromium.org VisitForStackValue(args->at(0)); // index 3441b376fed08cb9d90a3f67f655adf63c4b35feb106machenbach@chromium.org VisitForStackValue(args->at(1)); // value 3442b376fed08cb9d90a3f67f655adf63c4b35feb106machenbach@chromium.org VisitForAccumulatorValue(args->at(2)); // string 3443763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Pop(value); 3444763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Pop(index); 344532280cf2786219b2d9a668f7f00778fb59ac40b3mstarzinger@chromium.org 3446a53e8e03bcb23716d1025de362626f90f00da892svenpanne@chromium.org if (FLAG_debug_code) { 344705150ab746caefd8e734c394ecc7863200ca04cfmachenbach@chromium.org __ Check(__ CheckSmi(value), kNonSmiValue); 344805150ab746caefd8e734c394ecc7863200ca04cfmachenbach@chromium.org __ Check(__ CheckSmi(index), kNonSmiValue); 3449a53e8e03bcb23716d1025de362626f90f00da892svenpanne@chromium.org } 3450a53e8e03bcb23716d1025de362626f90f00da892svenpanne@chromium.org 3451a53e8e03bcb23716d1025de362626f90f00da892svenpanne@chromium.org __ SmiToInteger32(value, value); 3452a53e8e03bcb23716d1025de362626f90f00da892svenpanne@chromium.org __ SmiToInteger32(index, index); 34539af454f6b1c6a921ac79ba0b9a979c73adb2ca1emachenbach@chromium.org 34549af454f6b1c6a921ac79ba0b9a979c73adb2ca1emachenbach@chromium.org if (FLAG_debug_code) { 34559af454f6b1c6a921ac79ba0b9a979c73adb2ca1emachenbach@chromium.org static const uint32_t one_byte_seq_type = kSeqStringTag | kOneByteStringTag; 34569af454f6b1c6a921ac79ba0b9a979c73adb2ca1emachenbach@chromium.org __ EmitSeqStringSetCharCheck(string, index, value, one_byte_seq_type); 34579af454f6b1c6a921ac79ba0b9a979c73adb2ca1emachenbach@chromium.org } 34589af454f6b1c6a921ac79ba0b9a979c73adb2ca1emachenbach@chromium.org 3459a53e8e03bcb23716d1025de362626f90f00da892svenpanne@chromium.org __ movb(FieldOperand(string, index, times_1, SeqOneByteString::kHeaderSize), 3460a53e8e03bcb23716d1025de362626f90f00da892svenpanne@chromium.org value); 3461a53e8e03bcb23716d1025de362626f90f00da892svenpanne@chromium.org context()->Plug(string); 346232280cf2786219b2d9a668f7f00778fb59ac40b3mstarzinger@chromium.org} 346332280cf2786219b2d9a668f7f00778fb59ac40b3mstarzinger@chromium.org 346432280cf2786219b2d9a668f7f00778fb59ac40b3mstarzinger@chromium.org 346532280cf2786219b2d9a668f7f00778fb59ac40b3mstarzinger@chromium.orgvoid FullCodeGenerator::EmitTwoByteSeqStringSetChar(CallRuntime* expr) { 346632280cf2786219b2d9a668f7f00778fb59ac40b3mstarzinger@chromium.org ZoneList<Expression*>* args = expr->arguments(); 3467e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK_EQ(3, args->length()); 346832280cf2786219b2d9a668f7f00778fb59ac40b3mstarzinger@chromium.org 3469a53e8e03bcb23716d1025de362626f90f00da892svenpanne@chromium.org Register string = rax; 3470a53e8e03bcb23716d1025de362626f90f00da892svenpanne@chromium.org Register index = rbx; 3471a53e8e03bcb23716d1025de362626f90f00da892svenpanne@chromium.org Register value = rcx; 3472a53e8e03bcb23716d1025de362626f90f00da892svenpanne@chromium.org 3473b376fed08cb9d90a3f67f655adf63c4b35feb106machenbach@chromium.org VisitForStackValue(args->at(0)); // index 3474b376fed08cb9d90a3f67f655adf63c4b35feb106machenbach@chromium.org VisitForStackValue(args->at(1)); // value 3475b376fed08cb9d90a3f67f655adf63c4b35feb106machenbach@chromium.org VisitForAccumulatorValue(args->at(2)); // string 3476763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Pop(value); 3477763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Pop(index); 347832280cf2786219b2d9a668f7f00778fb59ac40b3mstarzinger@chromium.org 3479a53e8e03bcb23716d1025de362626f90f00da892svenpanne@chromium.org if (FLAG_debug_code) { 348005150ab746caefd8e734c394ecc7863200ca04cfmachenbach@chromium.org __ Check(__ CheckSmi(value), kNonSmiValue); 348105150ab746caefd8e734c394ecc7863200ca04cfmachenbach@chromium.org __ Check(__ CheckSmi(index), kNonSmiValue); 3482a53e8e03bcb23716d1025de362626f90f00da892svenpanne@chromium.org } 3483a53e8e03bcb23716d1025de362626f90f00da892svenpanne@chromium.org 3484a53e8e03bcb23716d1025de362626f90f00da892svenpanne@chromium.org __ SmiToInteger32(value, value); 3485a53e8e03bcb23716d1025de362626f90f00da892svenpanne@chromium.org __ SmiToInteger32(index, index); 34869af454f6b1c6a921ac79ba0b9a979c73adb2ca1emachenbach@chromium.org 34879af454f6b1c6a921ac79ba0b9a979c73adb2ca1emachenbach@chromium.org if (FLAG_debug_code) { 34889af454f6b1c6a921ac79ba0b9a979c73adb2ca1emachenbach@chromium.org static const uint32_t two_byte_seq_type = kSeqStringTag | kTwoByteStringTag; 34899af454f6b1c6a921ac79ba0b9a979c73adb2ca1emachenbach@chromium.org __ EmitSeqStringSetCharCheck(string, index, value, two_byte_seq_type); 34909af454f6b1c6a921ac79ba0b9a979c73adb2ca1emachenbach@chromium.org } 34919af454f6b1c6a921ac79ba0b9a979c73adb2ca1emachenbach@chromium.org 3492a53e8e03bcb23716d1025de362626f90f00da892svenpanne@chromium.org __ movw(FieldOperand(string, index, times_2, SeqTwoByteString::kHeaderSize), 3493a53e8e03bcb23716d1025de362626f90f00da892svenpanne@chromium.org value); 349432280cf2786219b2d9a668f7f00778fb59ac40b3mstarzinger@chromium.org context()->Plug(rax); 349532280cf2786219b2d9a668f7f00778fb59ac40b3mstarzinger@chromium.org} 349632280cf2786219b2d9a668f7f00778fb59ac40b3mstarzinger@chromium.org 349732280cf2786219b2d9a668f7f00778fb59ac40b3mstarzinger@chromium.org 3498c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.orgvoid FullCodeGenerator::EmitMathPow(CallRuntime* expr) { 34999dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com // Load the arguments on the stack and call the runtime function. 3500c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org ZoneList<Expression*>* args = expr->arguments(); 3501e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(args->length() == 2); 35024a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org VisitForStackValue(args->at(0)); 35034a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org VisitForStackValue(args->at(1)); 3504f2f0489407bbb5e50d16ae791442df29513b53b5machenbach@chromium.org MathPowStub stub(isolate(), MathPowStub::ON_STACK); 35059ee27ae43ab88e9bb6417ff9e27af64e0cf13729ager@chromium.org __ CallStub(&stub); 35064a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org context()->Plug(rax); 35079dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com} 35089dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 35099dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 3510c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.orgvoid FullCodeGenerator::EmitSetValueOf(CallRuntime* expr) { 3511c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org ZoneList<Expression*>* args = expr->arguments(); 3512e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(args->length() == 2); 35139dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 35144a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org VisitForStackValue(args->at(0)); // Load the object. 35154a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org VisitForAccumulatorValue(args->at(1)); // Load the value. 3516763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Pop(rbx); // rax = value. rbx = object. 35179dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 35189dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com Label done; 35199dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com // If the object is a smi, return the value. 35209dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ JumpIfSmi(rbx, &done); 35219dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 35229dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com // If the object is not a value type, return the value. 35239dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ CmpObjectType(rbx, JS_VALUE_TYPE, rcx); 35249dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ j(not_equal, &done); 35259dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 35269dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com // Store the value. 352743c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(FieldOperand(rbx, JSValue::kValueOffset), rax); 35289dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com // Update the write barrier. Save the value as it will be 35299dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com // overwritten by the write barrier code and is needed afterward. 353043c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rdx, rax); 3531c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com __ RecordWriteField(rbx, JSValue::kValueOffset, rdx, rcx, kDontSaveFPRegs); 35329dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 35339dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ bind(&done); 35344a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org context()->Plug(rax); 35359dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com} 35369dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 35379dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 3538c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.orgvoid FullCodeGenerator::EmitNumberToString(CallRuntime* expr) { 3539c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org ZoneList<Expression*>* args = expr->arguments(); 3540e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK_EQ(args->length(), 1); 35419dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 35423d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org // Load the argument into rax and call the stub. 35433d079fe881245e49c7ba803b54b4fe6d4b46113cmachenbach@chromium.org VisitForAccumulatorValue(args->at(0)); 35449dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 3545f2f0489407bbb5e50d16ae791442df29513b53b5machenbach@chromium.org NumberToStringStub stub(isolate()); 35469dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ CallStub(&stub); 35474a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org context()->Plug(rax); 35489dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com} 35499dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 35509dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 3551c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.orgvoid FullCodeGenerator::EmitStringCharFromCode(CallRuntime* expr) { 3552c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org ZoneList<Expression*>* args = expr->arguments(); 3553e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(args->length() == 1); 35549dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 35554a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org VisitForAccumulatorValue(args->at(0)); 35569dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 355730ce411529579186181838984710b0b0980857aaricow@chromium.org Label done; 355830ce411529579186181838984710b0b0980857aaricow@chromium.org StringCharFromCodeGenerator generator(rax, rbx); 355930ce411529579186181838984710b0b0980857aaricow@chromium.org generator.GenerateFast(masm_); 356030ce411529579186181838984710b0b0980857aaricow@chromium.org __ jmp(&done); 35619dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 356230ce411529579186181838984710b0b0980857aaricow@chromium.org NopRuntimeCallHelper call_helper; 356330ce411529579186181838984710b0b0980857aaricow@chromium.org generator.GenerateSlow(masm_, call_helper); 35649dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 356530ce411529579186181838984710b0b0980857aaricow@chromium.org __ bind(&done); 35664a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org context()->Plug(rbx); 356730ce411529579186181838984710b0b0980857aaricow@chromium.org} 356830ce411529579186181838984710b0b0980857aaricow@chromium.org 356930ce411529579186181838984710b0b0980857aaricow@chromium.org 3570c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.orgvoid FullCodeGenerator::EmitStringCharCodeAt(CallRuntime* expr) { 3571c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org ZoneList<Expression*>* args = expr->arguments(); 3572e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(args->length() == 2); 357330ce411529579186181838984710b0b0980857aaricow@chromium.org 35744a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org VisitForStackValue(args->at(0)); 35754a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org VisitForAccumulatorValue(args->at(1)); 357630ce411529579186181838984710b0b0980857aaricow@chromium.org 357730ce411529579186181838984710b0b0980857aaricow@chromium.org Register object = rbx; 357830ce411529579186181838984710b0b0980857aaricow@chromium.org Register index = rax; 357930ce411529579186181838984710b0b0980857aaricow@chromium.org Register result = rdx; 358030ce411529579186181838984710b0b0980857aaricow@chromium.org 3581763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Pop(object); 358230ce411529579186181838984710b0b0980857aaricow@chromium.org 358330ce411529579186181838984710b0b0980857aaricow@chromium.org Label need_conversion; 358430ce411529579186181838984710b0b0980857aaricow@chromium.org Label index_out_of_range; 358530ce411529579186181838984710b0b0980857aaricow@chromium.org Label done; 358630ce411529579186181838984710b0b0980857aaricow@chromium.org StringCharCodeAtGenerator generator(object, 358730ce411529579186181838984710b0b0980857aaricow@chromium.org index, 358830ce411529579186181838984710b0b0980857aaricow@chromium.org result, 358930ce411529579186181838984710b0b0980857aaricow@chromium.org &need_conversion, 359030ce411529579186181838984710b0b0980857aaricow@chromium.org &need_conversion, 359130ce411529579186181838984710b0b0980857aaricow@chromium.org &index_out_of_range, 359230ce411529579186181838984710b0b0980857aaricow@chromium.org STRING_INDEX_IS_NUMBER); 359330ce411529579186181838984710b0b0980857aaricow@chromium.org generator.GenerateFast(masm_); 35949dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ jmp(&done); 35959dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 359630ce411529579186181838984710b0b0980857aaricow@chromium.org __ bind(&index_out_of_range); 359730ce411529579186181838984710b0b0980857aaricow@chromium.org // When the index is out of range, the spec requires us to return 359830ce411529579186181838984710b0b0980857aaricow@chromium.org // NaN. 359930ce411529579186181838984710b0b0980857aaricow@chromium.org __ LoadRoot(result, Heap::kNanValueRootIndex); 360030ce411529579186181838984710b0b0980857aaricow@chromium.org __ jmp(&done); 360130ce411529579186181838984710b0b0980857aaricow@chromium.org 360230ce411529579186181838984710b0b0980857aaricow@chromium.org __ bind(&need_conversion); 360330ce411529579186181838984710b0b0980857aaricow@chromium.org // Move the undefined value into the result register, which will 360430ce411529579186181838984710b0b0980857aaricow@chromium.org // trigger conversion. 360530ce411529579186181838984710b0b0980857aaricow@chromium.org __ LoadRoot(result, Heap::kUndefinedValueRootIndex); 360630ce411529579186181838984710b0b0980857aaricow@chromium.org __ jmp(&done); 360730ce411529579186181838984710b0b0980857aaricow@chromium.org 360830ce411529579186181838984710b0b0980857aaricow@chromium.org NopRuntimeCallHelper call_helper; 360930ce411529579186181838984710b0b0980857aaricow@chromium.org generator.GenerateSlow(masm_, call_helper); 36109dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 36119dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ bind(&done); 36124a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org context()->Plug(result); 36139dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com} 36149dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 36159dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 3616c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.orgvoid FullCodeGenerator::EmitStringCharAt(CallRuntime* expr) { 3617c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org ZoneList<Expression*>* args = expr->arguments(); 3618e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(args->length() == 2); 361930ce411529579186181838984710b0b0980857aaricow@chromium.org 36204a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org VisitForStackValue(args->at(0)); 36214a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org VisitForAccumulatorValue(args->at(1)); 362230ce411529579186181838984710b0b0980857aaricow@chromium.org 362330ce411529579186181838984710b0b0980857aaricow@chromium.org Register object = rbx; 362430ce411529579186181838984710b0b0980857aaricow@chromium.org Register index = rax; 3625c612e0211bdb8821cbd7886e15b0273ed82d2e9edanno@chromium.org Register scratch = rdx; 362630ce411529579186181838984710b0b0980857aaricow@chromium.org Register result = rax; 362730ce411529579186181838984710b0b0980857aaricow@chromium.org 3628763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Pop(object); 362930ce411529579186181838984710b0b0980857aaricow@chromium.org 363030ce411529579186181838984710b0b0980857aaricow@chromium.org Label need_conversion; 363130ce411529579186181838984710b0b0980857aaricow@chromium.org Label index_out_of_range; 363230ce411529579186181838984710b0b0980857aaricow@chromium.org Label done; 363330ce411529579186181838984710b0b0980857aaricow@chromium.org StringCharAtGenerator generator(object, 363430ce411529579186181838984710b0b0980857aaricow@chromium.org index, 3635c612e0211bdb8821cbd7886e15b0273ed82d2e9edanno@chromium.org scratch, 363630ce411529579186181838984710b0b0980857aaricow@chromium.org result, 363730ce411529579186181838984710b0b0980857aaricow@chromium.org &need_conversion, 363830ce411529579186181838984710b0b0980857aaricow@chromium.org &need_conversion, 363930ce411529579186181838984710b0b0980857aaricow@chromium.org &index_out_of_range, 364030ce411529579186181838984710b0b0980857aaricow@chromium.org STRING_INDEX_IS_NUMBER); 364130ce411529579186181838984710b0b0980857aaricow@chromium.org generator.GenerateFast(masm_); 364230ce411529579186181838984710b0b0980857aaricow@chromium.org __ jmp(&done); 364330ce411529579186181838984710b0b0980857aaricow@chromium.org 364430ce411529579186181838984710b0b0980857aaricow@chromium.org __ bind(&index_out_of_range); 364530ce411529579186181838984710b0b0980857aaricow@chromium.org // When the index is out of range, the spec requires us to return 364630ce411529579186181838984710b0b0980857aaricow@chromium.org // the empty string. 36474a9f6553038df6b893b3d3ccae351723f4cbbae7yangguo@chromium.org __ LoadRoot(result, Heap::kempty_stringRootIndex); 364830ce411529579186181838984710b0b0980857aaricow@chromium.org __ jmp(&done); 364930ce411529579186181838984710b0b0980857aaricow@chromium.org 365030ce411529579186181838984710b0b0980857aaricow@chromium.org __ bind(&need_conversion); 365130ce411529579186181838984710b0b0980857aaricow@chromium.org // Move smi zero into the result register, which will trigger 365230ce411529579186181838984710b0b0980857aaricow@chromium.org // conversion. 365330ce411529579186181838984710b0b0980857aaricow@chromium.org __ Move(result, Smi::FromInt(0)); 365430ce411529579186181838984710b0b0980857aaricow@chromium.org __ jmp(&done); 365530ce411529579186181838984710b0b0980857aaricow@chromium.org 365630ce411529579186181838984710b0b0980857aaricow@chromium.org NopRuntimeCallHelper call_helper; 365730ce411529579186181838984710b0b0980857aaricow@chromium.org generator.GenerateSlow(masm_, call_helper); 365830ce411529579186181838984710b0b0980857aaricow@chromium.org 365930ce411529579186181838984710b0b0980857aaricow@chromium.org __ bind(&done); 36604a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org context()->Plug(result); 36619dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com} 36629dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 366330ce411529579186181838984710b0b0980857aaricow@chromium.org 3664c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.orgvoid FullCodeGenerator::EmitStringAdd(CallRuntime* expr) { 3665c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org ZoneList<Expression*>* args = expr->arguments(); 3666e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK_EQ(2, args->length()); 3667bbbda924f939464825b508976aabe7ed128605cbmachenbach@chromium.org VisitForStackValue(args->at(0)); 3668bbbda924f939464825b508976aabe7ed128605cbmachenbach@chromium.org VisitForAccumulatorValue(args->at(1)); 36699dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 3670763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Pop(rdx); 3671f2f0489407bbb5e50d16ae791442df29513b53b5machenbach@chromium.org StringAddStub stub(isolate(), STRING_ADD_CHECK_BOTH, NOT_TENURED); 3672bbbda924f939464825b508976aabe7ed128605cbmachenbach@chromium.org __ CallStub(&stub); 36734a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org context()->Plug(rax); 36749dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com} 36759dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 36769dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 3677c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.orgvoid FullCodeGenerator::EmitStringCompare(CallRuntime* expr) { 3678c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org ZoneList<Expression*>* args = expr->arguments(); 3679e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK_EQ(2, args->length()); 36809dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 36814a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org VisitForStackValue(args->at(0)); 36824a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org VisitForStackValue(args->at(1)); 36839dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 3684f2f0489407bbb5e50d16ae791442df29513b53b5machenbach@chromium.org StringCompareStub stub(isolate()); 36859dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ CallStub(&stub); 36864a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org context()->Plug(rax); 36879dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com} 36889dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 36899dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 3690c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.orgvoid FullCodeGenerator::EmitCallFunction(CallRuntime* expr) { 3691c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org ZoneList<Expression*>* args = expr->arguments(); 3692e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(args->length() >= 2); 36939dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 3694160a7b0747492f3f735353d9582521f3314bf4dfdanno@chromium.org int arg_count = args->length() - 2; // 2 ~ receiver and function. 3695160a7b0747492f3f735353d9582521f3314bf4dfdanno@chromium.org for (int i = 0; i < arg_count + 1; i++) { 3696160a7b0747492f3f735353d9582521f3314bf4dfdanno@chromium.org VisitForStackValue(args->at(i)); 36979dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com } 3698160a7b0747492f3f735353d9582521f3314bf4dfdanno@chromium.org VisitForAccumulatorValue(args->last()); // Function. 36999dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 3700de64f721c489207a7b9018406d39c7fb04bb9424verwaest@chromium.org Label runtime, done; 3701de64f721c489207a7b9018406d39c7fb04bb9424verwaest@chromium.org // Check for non-function argument (including proxy). 3702de64f721c489207a7b9018406d39c7fb04bb9424verwaest@chromium.org __ JumpIfSmi(rax, &runtime); 3703de64f721c489207a7b9018406d39c7fb04bb9424verwaest@chromium.org __ CmpObjectType(rax, JS_FUNCTION_TYPE, rbx); 3704de64f721c489207a7b9018406d39c7fb04bb9424verwaest@chromium.org __ j(not_equal, &runtime); 3705c612e0211bdb8821cbd7886e15b0273ed82d2e9edanno@chromium.org 3706160a7b0747492f3f735353d9582521f3314bf4dfdanno@chromium.org // InvokeFunction requires the function in rdi. Move it in there. 370743c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rdi, result_register()); 37089dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com ParameterCount count(arg_count); 3709e31286d471eb2e656a1809383fa16b76053dd673machenbach@chromium.org __ InvokeFunction(rdi, count, CALL_FUNCTION, NullCallWrapper()); 371043c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rsi, Operand(rbp, StandardFrameConstants::kContextOffset)); 3711c612e0211bdb8821cbd7886e15b0273ed82d2e9edanno@chromium.org __ jmp(&done); 3712c612e0211bdb8821cbd7886e15b0273ed82d2e9edanno@chromium.org 3713de64f721c489207a7b9018406d39c7fb04bb9424verwaest@chromium.org __ bind(&runtime); 3714763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(rax); 3715c612e0211bdb8821cbd7886e15b0273ed82d2e9edanno@chromium.org __ CallRuntime(Runtime::kCall, args->length()); 3716c612e0211bdb8821cbd7886e15b0273ed82d2e9edanno@chromium.org __ bind(&done); 3717c612e0211bdb8821cbd7886e15b0273ed82d2e9edanno@chromium.org 37184a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org context()->Plug(rax); 37199dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com} 37209dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 37219dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 3722c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.orgvoid FullCodeGenerator::EmitRegExpConstructResult(CallRuntime* expr) { 3723f2f0489407bbb5e50d16ae791442df29513b53b5machenbach@chromium.org RegExpConstructResultStub stub(isolate()); 3724c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org ZoneList<Expression*>* args = expr->arguments(); 3725e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(args->length() == 3); 37264a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org VisitForStackValue(args->at(0)); 37274a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org VisitForStackValue(args->at(1)); 372809cae8d7af4e66e8d0088c19dcd0033042fa8a6bmachenbach@chromium.org VisitForAccumulatorValue(args->at(2)); 3729763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Pop(rbx); 3730763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Pop(rcx); 3731a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org __ CallStub(&stub); 37324a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org context()->Plug(rax); 37339dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com} 37349dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 37359dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 3736c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.orgvoid FullCodeGenerator::EmitGetFromCache(CallRuntime* expr) { 3737c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org ZoneList<Expression*>* args = expr->arguments(); 3738e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK_EQ(2, args->length()); 37399dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 3740e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK_NE(NULL, args->at(0)->AsLiteral()); 37411510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org int cache_id = Smi::cast(*(args->at(0)->AsLiteral()->value()))->value(); 37429dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 37439dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com Handle<FixedArray> jsfunction_result_caches( 374446839fbbdee40a3d2d924e8b5b13c4139b0b24f2yangguo@chromium.org isolate()->native_context()->jsfunction_result_caches()); 37459dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com if (jsfunction_result_caches->length() <= cache_id) { 3746594006017e46d82ed7146611dc12c20e3c509c7ddanno@chromium.org __ Abort(kAttemptToUseUndefinedCache); 37479dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ LoadRoot(rax, Heap::kUndefinedValueRootIndex); 37484a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org context()->Plug(rax); 37499dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com return; 37509dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com } 37519dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 37524a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org VisitForAccumulatorValue(args->at(1)); 37539dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 37549dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com Register key = rax; 37559dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com Register cache = rbx; 37569dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com Register tmp = rcx; 375743c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(cache, ContextOperand(rsi, Context::GLOBAL_OBJECT_INDEX)); 375843c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(cache, 375946839fbbdee40a3d2d924e8b5b13c4139b0b24f2yangguo@chromium.org FieldOperand(cache, GlobalObject::kNativeContextOffset)); 376043c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(cache, 37612ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org ContextOperand(cache, Context::JSFUNCTION_RESULT_CACHES_INDEX)); 376243c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(cache, 37639dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com FieldOperand(cache, FixedArray::OffsetOfElementAt(cache_id))); 37649dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 376583a4728861129dc263ded92157f3e6389f851f19karlklose@chromium.org Label done, not_found; 376680c42ed5ace766a3a02b30a53a25e5e81e234723yangguo@chromium.org STATIC_ASSERT(kSmiTag == 0 && kSmiTagSize == 1); 376743c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(tmp, FieldOperand(cache, JSFunctionResultCache::kFingerOffset)); 37680a7303680fa9f3dc3945763aaa7c5a3859a7f855machenbach@chromium.org // tmp now holds finger offset as a smi. 37699dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com SmiIndex index = 37709dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ SmiToIndex(kScratchRegister, tmp, kPointerSizeLog2); 37717a1bfbe9bc8295770315c55f7ce40822b7951aabmachenbach@chromium.org __ cmpp(key, FieldOperand(cache, 37729dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com index.reg, 37739dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com index.scale, 37749dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com FixedArray::kHeaderSize)); 377583a4728861129dc263ded92157f3e6389f851f19karlklose@chromium.org __ j(not_equal, ¬_found, Label::kNear); 377643c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rax, FieldOperand(cache, 37779dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com index.reg, 37789dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com index.scale, 37799dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com FixedArray::kHeaderSize + kPointerSize)); 378083a4728861129dc263ded92157f3e6389f851f19karlklose@chromium.org __ jmp(&done, Label::kNear); 37819dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 37829dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ bind(¬_found); 37839dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com // Call runtime to perform the lookup. 3784763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(cache); 3785763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(key); 378647390597afd6b17870f41dfb5dd8c057aea1f068machenbach@chromium.org __ CallRuntime(Runtime::kGetFromCache, 2); 37879dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 37889dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ bind(&done); 37894a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org context()->Plug(rax); 37909dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com} 37919dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 37929dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 3793c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.orgvoid FullCodeGenerator::EmitHasCachedArrayIndex(CallRuntime* expr) { 3794c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org ZoneList<Expression*>* args = expr->arguments(); 3795e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(args->length() == 1); 3796d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org 37974a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org VisitForAccumulatorValue(args->at(0)); 3798d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org 3799d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org Label materialize_true, materialize_false; 3800d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org Label* if_true = NULL; 3801d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org Label* if_false = NULL; 3802d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org Label* fall_through = NULL; 38034a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org context()->PrepareTest(&materialize_true, &materialize_false, 38044a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org &if_true, &if_false, &fall_through); 3805d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org 3806d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org __ testl(FieldOperand(rax, String::kHashFieldOffset), 3807d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org Immediate(String::kContainsCachedArrayIndexMask)); 3808c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org PrepareForBailoutBeforeSplit(expr, true, if_true, if_false); 3809d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org __ j(zero, if_true); 3810d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org __ jmp(if_false); 3811d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org 38124a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org context()->Plug(if_true, if_false); 3813d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org} 3814d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org 3815d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org 3816c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.orgvoid FullCodeGenerator::EmitGetCachedArrayIndex(CallRuntime* expr) { 3817c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org ZoneList<Expression*>* args = expr->arguments(); 3818e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(args->length() == 1); 38194a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org VisitForAccumulatorValue(args->at(0)); 3820d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org 3821c859c4f83f6ec3e010213dbbe447cc1f927d01c5svenpanne@chromium.org __ AssertString(rax); 38225d6c1f5b20195b800bc6db146920fd6f878d1fd4vegorov@chromium.org 3823d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org __ movl(rax, FieldOperand(rax, String::kHashFieldOffset)); 3824e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(String::kHashShift >= kSmiTagSize); 3825d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org __ IndexFromHash(rax, rax); 3826d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org 38274a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org context()->Plug(rax); 3828d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org} 3829d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org 3830d236f4d96b5dd21acc5ec57f4e50fa97cdd97bb6ricow@chromium.org 38312c81ceb7f1e1ccf5f304be0646f4c1375941a7f2machenbach@chromium.orgvoid FullCodeGenerator::EmitFastOneByteArrayJoin(CallRuntime* expr) { 38327979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org Label bailout, return_result, done, one_char_separator, long_separator, 38337979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org non_trivial_array, not_size_one_array, loop, 38347979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org loop_1, loop_1_condition, loop_2, loop_2_entry, loop_3, loop_3_entry; 3835c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org ZoneList<Expression*>* args = expr->arguments(); 3836e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(args->length() == 2); 38377979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // We will leave the separator on the stack until the end of the function. 38387979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org VisitForStackValue(args->at(1)); 38397979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // Load this to rax (= array) 38407979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org VisitForAccumulatorValue(args->at(0)); 38417979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // All aliases of the same register have disjoint lifetimes. 38427979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org Register array = rax; 38437979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org Register elements = no_reg; // Will be rax. 38447979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org 38457979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org Register index = rdx; 38467979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org 38477979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org Register string_length = rcx; 38487979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org 38497979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org Register string = rsi; 38507979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org 38517979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org Register scratch = rbx; 38527979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org 38537979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org Register array_length = rdi; 38547979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org Register result_pos = no_reg; // Will be rdi. 38557979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org 38567979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org Operand separator_operand = Operand(rsp, 2 * kPointerSize); 38577979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org Operand result_operand = Operand(rsp, 1 * kPointerSize); 38587979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org Operand array_length_operand = Operand(rsp, 0 * kPointerSize); 38597979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // Separator operand is already pushed. Make room for the two 38607979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // other stack fields, and clear the direction flag in anticipation 38617979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // of calling CopyBytes. 3862fa0c3c69b9d632e5730bdd9c745c375beef5e54dmachenbach@chromium.org __ subp(rsp, Immediate(2 * kPointerSize)); 38637979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ cld(); 38647979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // Check that the array is a JSArray 38657979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ JumpIfSmi(array, &bailout); 38667979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ CmpObjectType(array, JS_ARRAY_TYPE, scratch); 38677979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ j(not_equal, &bailout); 38687979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org 38697979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // Check that the array has fast elements. 3870d6076d96a1411932548838e5960b594564264010erik.corry@gmail.com __ CheckFastElements(scratch, &bailout); 38717979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org 38727979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // Array has fast elements, so its length must be a smi. 38737979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // If the array has length zero, return the empty string. 387443c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(array_length, FieldOperand(array, JSArray::kLengthOffset)); 38757979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ SmiCompare(array_length, Smi::FromInt(0)); 38767979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ j(not_zero, &non_trivial_array); 38774a9f6553038df6b893b3d3ccae351723f4cbbae7yangguo@chromium.org __ LoadRoot(rax, Heap::kempty_stringRootIndex); 38787979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ jmp(&return_result); 38797979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org 38807979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // Save the array length on the stack. 38817979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ bind(&non_trivial_array); 38827979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ SmiToInteger32(array_length, array_length); 38837979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ movl(array_length_operand, array_length); 38847979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org 38857979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // Save the FixedArray containing array's elements. 38867979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // End of array's live range. 38877979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org elements = array; 388843c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(elements, FieldOperand(array, JSArray::kElementsOffset)); 38897979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org array = no_reg; 38907979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org 38917979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org 38922c81ceb7f1e1ccf5f304be0646f4c1375941a7f2machenbach@chromium.org // Check that all array elements are sequential one-byte strings, and 38937979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // accumulate the sum of their lengths, as a smi-encoded value. 38947979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ Set(index, 0); 38957979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ Set(string_length, 0); 38967979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // Loop condition: while (index < array_length). 38977979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // Live loop registers: index(int32), array_length(int32), string(String*), 38987979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // scratch, string_length(int32), elements(FixedArray*). 3899000f7fbc1dfa59e414332fd2898b5da4d44eedd6jkummerow@chromium.org if (generate_debug_code_) { 39007a1bfbe9bc8295770315c55f7ce40822b7951aabmachenbach@chromium.org __ cmpp(index, array_length); 39012c81ceb7f1e1ccf5f304be0646f4c1375941a7f2machenbach@chromium.org __ Assert(below, kNoEmptyArraysHereInEmitFastOneByteArrayJoin); 39027979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org } 39037979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ bind(&loop); 390443c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(string, FieldOperand(elements, 39057979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org index, 39067979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org times_pointer_size, 39077979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org FixedArray::kHeaderSize)); 39087979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ JumpIfSmi(string, &bailout); 390943c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(scratch, FieldOperand(string, HeapObject::kMapOffset)); 39107979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ movzxbl(scratch, FieldOperand(scratch, Map::kInstanceTypeOffset)); 39117979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ andb(scratch, Immediate( 39127979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org kIsNotStringMask | kStringEncodingMask | kStringRepresentationMask)); 3913e4ac3ef2f6fa9300bc78c5a4cb7d4cb66ac6e83dmvstanton@chromium.org __ cmpb(scratch, Immediate(kStringTag | kOneByteStringTag | kSeqStringTag)); 39147979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ j(not_equal, &bailout); 39157979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ AddSmiField(string_length, 3916fb37721ea34922d8758d5cb26ae465aaf241e6b6yangguo@chromium.org FieldOperand(string, SeqOneByteString::kLengthOffset)); 39177979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ j(overflow, &bailout); 39187979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ incl(index); 39197979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ cmpl(index, array_length); 39207979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ j(less, &loop); 39217979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org 39227979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // Live registers: 39237979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // string_length: Sum of string lengths. 39247979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // elements: FixedArray of strings. 39257979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // index: Array length. 39267979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // array_length: Array length. 39277979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org 39287979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // If array_length is 1, return elements[0], a string. 39297979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ cmpl(array_length, Immediate(1)); 39307979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ j(not_equal, ¬_size_one_array); 393143c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rax, FieldOperand(elements, FixedArray::kHeaderSize)); 39327979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ jmp(&return_result); 39337979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org 39347979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ bind(¬_size_one_array); 39357979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org 39367979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // End of array_length live range. 39377979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org result_pos = array_length; 39387979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org array_length = no_reg; 39397979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org 39407979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // Live registers: 39417979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // string_length: Sum of string lengths. 39427979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // elements: FixedArray of strings. 39437979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // index: Array length. 39447979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org 39452c81ceb7f1e1ccf5f304be0646f4c1375941a7f2machenbach@chromium.org // Check that the separator is a sequential one-byte string. 394643c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(string, separator_operand); 39477979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ JumpIfSmi(string, &bailout); 394843c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(scratch, FieldOperand(string, HeapObject::kMapOffset)); 39497979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ movzxbl(scratch, FieldOperand(scratch, Map::kInstanceTypeOffset)); 39507979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ andb(scratch, Immediate( 39517979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org kIsNotStringMask | kStringEncodingMask | kStringRepresentationMask)); 3952e4ac3ef2f6fa9300bc78c5a4cb7d4cb66ac6e83dmvstanton@chromium.org __ cmpb(scratch, Immediate(kStringTag | kOneByteStringTag | kSeqStringTag)); 39537979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ j(not_equal, &bailout); 39547979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org 39557979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // Live registers: 39567979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // string_length: Sum of string lengths. 39577979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // elements: FixedArray of strings. 39587979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // index: Array length. 39597979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // string: Separator string. 39607979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org 39617979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // Add (separator length times (array_length - 1)) to string_length. 39627979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ SmiToInteger32(scratch, 3963fb37721ea34922d8758d5cb26ae465aaf241e6b6yangguo@chromium.org FieldOperand(string, SeqOneByteString::kLengthOffset)); 39647979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ decl(index); 39657979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ imull(scratch, index); 39667979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ j(overflow, &bailout); 39677979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ addl(string_length, scratch); 39687979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ j(overflow, &bailout); 39697979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org 39707979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // Live registers and stack values: 39717979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // string_length: Total length of result string. 39727979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // elements: FixedArray of strings. 39732c81ceb7f1e1ccf5f304be0646f4c1375941a7f2machenbach@chromium.org __ AllocateOneByteString(result_pos, string_length, scratch, index, string, 39742c81ceb7f1e1ccf5f304be0646f4c1375941a7f2machenbach@chromium.org &bailout); 397543c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(result_operand, result_pos); 3976895f00d1d8c5a7a7209c36d690688e3552de3df4machenbach@chromium.org __ leap(result_pos, FieldOperand(result_pos, SeqOneByteString::kHeaderSize)); 39777979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org 397843c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(string, separator_operand); 3979fb37721ea34922d8758d5cb26ae465aaf241e6b6yangguo@chromium.org __ SmiCompare(FieldOperand(string, SeqOneByteString::kLengthOffset), 39807979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org Smi::FromInt(1)); 39817979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ j(equal, &one_char_separator); 39827979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ j(greater, &long_separator); 39837979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org 39847979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org 39857979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // Empty separator case: 39867979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ Set(index, 0); 39877979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ movl(scratch, array_length_operand); 39887979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ jmp(&loop_1_condition); 39897979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // Loop condition: while (index < array_length). 39907979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ bind(&loop_1); 39917979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // Each iteration of the loop concatenates one string to the result. 39927979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // Live values in registers: 39937979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // index: which element of the elements array we are adding to the result. 39947979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // result_pos: the position to which we are currently copying characters. 39957979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // elements: the FixedArray of strings we are joining. 39967979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // scratch: array length. 39977979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org 39987979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // Get string = array[index]. 399943c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(string, FieldOperand(elements, index, 40007979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org times_pointer_size, 40017979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org FixedArray::kHeaderSize)); 40027979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ SmiToInteger32(string_length, 40037979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org FieldOperand(string, String::kLengthOffset)); 4004895f00d1d8c5a7a7209c36d690688e3552de3df4machenbach@chromium.org __ leap(string, 4005fb37721ea34922d8758d5cb26ae465aaf241e6b6yangguo@chromium.org FieldOperand(string, SeqOneByteString::kHeaderSize)); 40067979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ CopyBytes(result_pos, string, string_length); 40077979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ incl(index); 40087979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ bind(&loop_1_condition); 40097979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ cmpl(index, scratch); 40107979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ j(less, &loop_1); // Loop while (index < array_length). 40117979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ jmp(&done); 40127979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org 40137979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // Generic bailout code used from several places. 40147979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ bind(&bailout); 40157979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ LoadRoot(rax, Heap::kUndefinedValueRootIndex); 40167979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ jmp(&return_result); 40177979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org 40187979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org 40197979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // One-character separator case 40207979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ bind(&one_char_separator); 40212c81ceb7f1e1ccf5f304be0646f4c1375941a7f2machenbach@chromium.org // Get the separator one-byte character value. 40227979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // Register "string" holds the separator. 4023fb37721ea34922d8758d5cb26ae465aaf241e6b6yangguo@chromium.org __ movzxbl(scratch, FieldOperand(string, SeqOneByteString::kHeaderSize)); 40247979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ Set(index, 0); 40257979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // Jump into the loop after the code that copies the separator, so the first 40267979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // element is not preceded by a separator 40277979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ jmp(&loop_2_entry); 40287979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // Loop condition: while (index < length). 40297979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ bind(&loop_2); 40307979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // Each iteration of the loop concatenates one string to the result. 40317979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // Live values in registers: 40327979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // elements: The FixedArray of strings we are joining. 40337979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // index: which element of the elements array we are adding to the result. 40347979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // result_pos: the position to which we are currently copying characters. 40357979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // scratch: Separator character. 40367979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org 40377979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // Copy the separator character to the result. 40387979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ movb(Operand(result_pos, 0), scratch); 40397a1bfbe9bc8295770315c55f7ce40822b7951aabmachenbach@chromium.org __ incp(result_pos); 40407979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org 40417979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ bind(&loop_2_entry); 40427979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // Get string = array[index]. 404343c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(string, FieldOperand(elements, index, 40447979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org times_pointer_size, 40457979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org FixedArray::kHeaderSize)); 40467979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ SmiToInteger32(string_length, 40477979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org FieldOperand(string, String::kLengthOffset)); 4048895f00d1d8c5a7a7209c36d690688e3552de3df4machenbach@chromium.org __ leap(string, 4049fb37721ea34922d8758d5cb26ae465aaf241e6b6yangguo@chromium.org FieldOperand(string, SeqOneByteString::kHeaderSize)); 40507979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ CopyBytes(result_pos, string, string_length); 40517979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ incl(index); 40527979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ cmpl(index, array_length_operand); 40537979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ j(less, &loop_2); // End while (index < length). 40547979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ jmp(&done); 40557979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org 40567979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org 40577979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // Long separator case (separator is more than one character). 40587979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ bind(&long_separator); 40597979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org 40607979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // Make elements point to end of elements array, and index 40617979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // count from -array_length to zero, so we don't need to maintain 40627979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // a loop limit. 40637979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ movl(index, array_length_operand); 4064895f00d1d8c5a7a7209c36d690688e3552de3df4machenbach@chromium.org __ leap(elements, FieldOperand(elements, index, times_pointer_size, 40657979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org FixedArray::kHeaderSize)); 40667a1bfbe9bc8295770315c55f7ce40822b7951aabmachenbach@chromium.org __ negq(index); 40677979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org 40687979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // Replace separator string with pointer to its first character, and 40697979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // make scratch be its length. 407043c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(string, separator_operand); 40717979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ SmiToInteger32(scratch, 40727979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org FieldOperand(string, String::kLengthOffset)); 4073895f00d1d8c5a7a7209c36d690688e3552de3df4machenbach@chromium.org __ leap(string, 4074fb37721ea34922d8758d5cb26ae465aaf241e6b6yangguo@chromium.org FieldOperand(string, SeqOneByteString::kHeaderSize)); 407543c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(separator_operand, string); 40767979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org 40777979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // Jump into the loop after the code that copies the separator, so the first 40787979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // element is not preceded by a separator 40797979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ jmp(&loop_3_entry); 40807979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // Loop condition: while (index < length). 40817979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ bind(&loop_3); 40827979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // Each iteration of the loop concatenates one string to the result. 40837979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // Live values in registers: 40847979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // index: which element of the elements array we are adding to the result. 40857979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // result_pos: the position to which we are currently copying characters. 40867979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // scratch: Separator length. 40877979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // separator_operand (rsp[0x10]): Address of first char of separator. 40887979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org 40897979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // Copy the separator to the result. 409043c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(string, separator_operand); 40917979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ movl(string_length, scratch); 40927979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ CopyBytes(result_pos, string, string_length, 2); 40937979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org 40947979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ bind(&loop_3_entry); 40957979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // Get string = array[index]. 409643c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(string, Operand(elements, index, times_pointer_size, 0)); 40977979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ SmiToInteger32(string_length, 40987979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org FieldOperand(string, String::kLengthOffset)); 4099895f00d1d8c5a7a7209c36d690688e3552de3df4machenbach@chromium.org __ leap(string, 4100fb37721ea34922d8758d5cb26ae465aaf241e6b6yangguo@chromium.org FieldOperand(string, SeqOneByteString::kHeaderSize)); 41017979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ CopyBytes(result_pos, string, string_length); 41027979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ incq(index); 41037979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ j(not_equal, &loop_3); // Loop while (index < 0). 41047979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org 41057979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ bind(&done); 410643c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rax, result_operand); 41077979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org 41087979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org __ bind(&return_result); 41097979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org // Drop temp values from the stack, and restore context register. 4110fa0c3c69b9d632e5730bdd9c745c375beef5e54dmachenbach@chromium.org __ addp(rsp, Immediate(3 * kPointerSize)); 411143c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rsi, Operand(rbp, StandardFrameConstants::kContextOffset)); 41127979bbb1df2eaff193e85d44c8da1ffa1525b7fcfschneider@chromium.org context()->Plug(rax); 411321b5e95db1c650dfc2ba8e11d010bb01293f85c5vegorov@chromium.org} 411421b5e95db1c650dfc2ba8e11d010bb01293f85c5vegorov@chromium.org 411521b5e95db1c650dfc2ba8e11d010bb01293f85c5vegorov@chromium.org 4116975b940441085887fc02bebf8877d5ec97e1e06cmachenbach@chromium.orgvoid FullCodeGenerator::EmitDebugIsActive(CallRuntime* expr) { 4117e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(expr->arguments()->length() == 0); 4118975b940441085887fc02bebf8877d5ec97e1e06cmachenbach@chromium.org ExternalReference debug_is_active = 4119975b940441085887fc02bebf8877d5ec97e1e06cmachenbach@chromium.org ExternalReference::debug_is_active_address(isolate()); 4120975b940441085887fc02bebf8877d5ec97e1e06cmachenbach@chromium.org __ Move(kScratchRegister, debug_is_active); 4121975b940441085887fc02bebf8877d5ec97e1e06cmachenbach@chromium.org __ movzxbp(rax, Operand(kScratchRegister, 0)); 4122975b940441085887fc02bebf8877d5ec97e1e06cmachenbach@chromium.org __ Integer32ToSmi(rax, rax); 4123975b940441085887fc02bebf8877d5ec97e1e06cmachenbach@chromium.org context()->Plug(rax); 4124975b940441085887fc02bebf8877d5ec97e1e06cmachenbach@chromium.org} 4125975b940441085887fc02bebf8877d5ec97e1e06cmachenbach@chromium.org 4126975b940441085887fc02bebf8877d5ec97e1e06cmachenbach@chromium.org 4127b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.orgvoid FullCodeGenerator::VisitCallRuntime(CallRuntime* expr) { 41289b95fd75bfb24acf6b51a360058331013e74fc73machenbach@chromium.org if (expr->function() != NULL && 41299b95fd75bfb24acf6b51a360058331013e74fc73machenbach@chromium.org expr->function()->intrinsic_type == Runtime::INLINE) { 41309dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com Comment cmnt(masm_, "[ InlineRuntimeCall"); 41319dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com EmitInlineRuntimeCall(expr); 41329dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com return; 41339dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com } 41349dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 4135b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org Comment cmnt(masm_, "[ CallRuntime"); 4136b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org ZoneList<Expression*>* args = expr->arguments(); 4137a03ba1e53fa6a04b8e56747536f226380bb6269bmachenbach@chromium.org int arg_count = args->length(); 4138b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 4139b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org if (expr->is_jsruntime()) { 4140a03ba1e53fa6a04b8e56747536f226380bb6269bmachenbach@chromium.org // Push the builtins object as receiver. 414143c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rax, GlobalObjectOperand()); 4142763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(FieldOperand(rax, GlobalObject::kBuiltinsOffset)); 4143b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 4144a03ba1e53fa6a04b8e56747536f226380bb6269bmachenbach@chromium.org // Load the function from the receiver. 41459aaa825cf89e1bcfece269a453300ebf4a26d64dmachenbach@chromium.org __ movp(LoadDescriptor::ReceiverRegister(), Operand(rsp, 0)); 41469aaa825cf89e1bcfece269a453300ebf4a26d64dmachenbach@chromium.org __ Move(LoadDescriptor::NameRegister(), expr->name()); 41479d1a7a8cdb664730cf5703185e85a4716748c564machenbach@chromium.org if (FLAG_vector_ics) { 41489aaa825cf89e1bcfece269a453300ebf4a26d64dmachenbach@chromium.org __ Move(VectorLoadICDescriptor::SlotRegister(), 41499d1a7a8cdb664730cf5703185e85a4716748c564machenbach@chromium.org Smi::FromInt(expr->CallRuntimeFeedbackSlot())); 41509d1a7a8cdb664730cf5703185e85a4716748c564machenbach@chromium.org CallLoadIC(NOT_CONTEXTUAL); 41519d1a7a8cdb664730cf5703185e85a4716748c564machenbach@chromium.org } else { 41529d1a7a8cdb664730cf5703185e85a4716748c564machenbach@chromium.org CallLoadIC(NOT_CONTEXTUAL, expr->CallRuntimeFeedbackId()); 41539d1a7a8cdb664730cf5703185e85a4716748c564machenbach@chromium.org } 4154a03ba1e53fa6a04b8e56747536f226380bb6269bmachenbach@chromium.org 4155a03ba1e53fa6a04b8e56747536f226380bb6269bmachenbach@chromium.org // Push the target function under the receiver. 4156763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(Operand(rsp, 0)); 4157a03ba1e53fa6a04b8e56747536f226380bb6269bmachenbach@chromium.org __ movp(Operand(rsp, kPointerSize), rax); 4158a03ba1e53fa6a04b8e56747536f226380bb6269bmachenbach@chromium.org 4159a03ba1e53fa6a04b8e56747536f226380bb6269bmachenbach@chromium.org // Push the arguments ("left-to-right"). 4160a03ba1e53fa6a04b8e56747536f226380bb6269bmachenbach@chromium.org for (int i = 0; i < arg_count; i++) { 4161a03ba1e53fa6a04b8e56747536f226380bb6269bmachenbach@chromium.org VisitForStackValue(args->at(i)); 4162a03ba1e53fa6a04b8e56747536f226380bb6269bmachenbach@chromium.org } 4163a03ba1e53fa6a04b8e56747536f226380bb6269bmachenbach@chromium.org 4164a03ba1e53fa6a04b8e56747536f226380bb6269bmachenbach@chromium.org // Record source position of the IC call. 4165a03ba1e53fa6a04b8e56747536f226380bb6269bmachenbach@chromium.org SetSourcePosition(expr->position()); 4166f2f0489407bbb5e50d16ae791442df29513b53b5machenbach@chromium.org CallFunctionStub stub(isolate(), arg_count, NO_CALL_FUNCTION_FLAGS); 4167a03ba1e53fa6a04b8e56747536f226380bb6269bmachenbach@chromium.org __ movp(rdi, Operand(rsp, (arg_count + 1) * kPointerSize)); 4168a03ba1e53fa6a04b8e56747536f226380bb6269bmachenbach@chromium.org __ CallStub(&stub); 4169a03ba1e53fa6a04b8e56747536f226380bb6269bmachenbach@chromium.org 4170b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org // Restore context register. 417143c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rsi, Operand(rbp, StandardFrameConstants::kContextOffset)); 4172a03ba1e53fa6a04b8e56747536f226380bb6269bmachenbach@chromium.org context()->DropAndPlug(1, rax); 4173a03ba1e53fa6a04b8e56747536f226380bb6269bmachenbach@chromium.org 4174b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org } else { 4175a03ba1e53fa6a04b8e56747536f226380bb6269bmachenbach@chromium.org // Push the arguments ("left-to-right"). 4176a03ba1e53fa6a04b8e56747536f226380bb6269bmachenbach@chromium.org for (int i = 0; i < arg_count; i++) { 4177a03ba1e53fa6a04b8e56747536f226380bb6269bmachenbach@chromium.org VisitForStackValue(args->at(i)); 4178a03ba1e53fa6a04b8e56747536f226380bb6269bmachenbach@chromium.org } 4179a03ba1e53fa6a04b8e56747536f226380bb6269bmachenbach@chromium.org 4180a03ba1e53fa6a04b8e56747536f226380bb6269bmachenbach@chromium.org // Call the C runtime. 4181b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org __ CallRuntime(expr->function(), arg_count); 4182a03ba1e53fa6a04b8e56747536f226380bb6269bmachenbach@chromium.org context()->Plug(rax); 4183b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org } 4184b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org} 4185b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 4186b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 4187b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.orgvoid FullCodeGenerator::VisitUnaryOperation(UnaryOperation* expr) { 4188b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org switch (expr->op()) { 41899dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com case Token::DELETE: { 41909dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com Comment cmnt(masm_, "[ UnaryOperation (DELETE)"); 4191486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org Property* property = expr->expression()->AsProperty(); 4192486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org VariableProxy* proxy = expr->expression()->AsVariableProxy(); 419349edbdf52640c88918f8e6638ab4965819eb1dfekmillikin@chromium.org 4194486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org if (property != NULL) { 4195486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org VisitForStackValue(property->obj()); 4196486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org VisitForStackValue(property->key()); 4197486536df718553960f9700559e80e5b10b0d5994dslomov@chromium.org __ Push(Smi::FromInt(strict_mode())); 41984668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org __ InvokeBuiltin(Builtins::DELETE, CALL_FUNCTION); 41994668a2c7a746d01b382f23aa32e163701e3075f8ricow@chromium.org context()->Plug(rax); 4200486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org } else if (proxy != NULL) { 4201486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org Variable* var = proxy->var(); 420249edbdf52640c88918f8e6638ab4965819eb1dfekmillikin@chromium.org // Delete of an unqualified identifier is disallowed in strict mode 4203486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org // but "delete this" is allowed. 4204e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(strict_mode() == SLOPPY || var->is_this()); 4205486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org if (var->IsUnallocated()) { 4206763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(GlobalObjectOperand()); 420749edbdf52640c88918f8e6638ab4965819eb1dfekmillikin@chromium.org __ Push(var->name()); 4208486536df718553960f9700559e80e5b10b0d5994dslomov@chromium.org __ Push(Smi::FromInt(SLOPPY)); 420949edbdf52640c88918f8e6638ab4965819eb1dfekmillikin@chromium.org __ InvokeBuiltin(Builtins::DELETE, CALL_FUNCTION); 421049edbdf52640c88918f8e6638ab4965819eb1dfekmillikin@chromium.org context()->Plug(rax); 4211486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org } else if (var->IsStackAllocated() || var->IsContextSlot()) { 4212486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org // Result of deleting non-global variables is false. 'this' is 4213486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org // not really a variable, though we implement it as one. The 4214486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org // subexpression does not have side effects. 4215486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org context()->Plug(var->is_this()); 421649edbdf52640c88918f8e6638ab4965819eb1dfekmillikin@chromium.org } else { 421749edbdf52640c88918f8e6638ab4965819eb1dfekmillikin@chromium.org // Non-global variable. Call the runtime to try to delete from the 421849edbdf52640c88918f8e6638ab4965819eb1dfekmillikin@chromium.org // context where the variable was introduced. 4219763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(context_register()); 422049edbdf52640c88918f8e6638ab4965819eb1dfekmillikin@chromium.org __ Push(var->name()); 42214c3ce7c3fd2802da8f91c6516a9c9aea3cd93f1emachenbach@chromium.org __ CallRuntime(Runtime::kDeleteLookupSlot, 2); 422249edbdf52640c88918f8e6638ab4965819eb1dfekmillikin@chromium.org context()->Plug(rax); 422349edbdf52640c88918f8e6638ab4965819eb1dfekmillikin@chromium.org } 4224496c03a64f12710e837204e261ef155601247895sgjesse@chromium.org } else { 422549edbdf52640c88918f8e6638ab4965819eb1dfekmillikin@chromium.org // Result of deleting non-property, non-variable reference is true. 422649edbdf52640c88918f8e6638ab4965819eb1dfekmillikin@chromium.org // The subexpression may have side effects. 422749edbdf52640c88918f8e6638ab4965819eb1dfekmillikin@chromium.org VisitForEffect(expr->expression()); 422849edbdf52640c88918f8e6638ab4965819eb1dfekmillikin@chromium.org context()->Plug(true); 42299dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com } 42309dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com break; 42319dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com } 42329dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 4233b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org case Token::VOID: { 4234b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org Comment cmnt(masm_, "[ UnaryOperation (VOID)"); 4235b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org VisitForEffect(expr->expression()); 42364a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org context()->Plug(Heap::kUndefinedValueRootIndex); 4237b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org break; 4238b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org } 4239b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 4240b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org case Token::NOT: { 4241b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org Comment cmnt(masm_, "[ UnaryOperation (NOT)"); 42423a5fd78f0ca6c2827bb05f69a373d152a9ce6ff3fschneider@chromium.org if (context()->IsEffect()) { 42433a5fd78f0ca6c2827bb05f69a373d152a9ce6ff3fschneider@chromium.org // Unary NOT has no side effects so it's only necessary to visit the 42443a5fd78f0ca6c2827bb05f69a373d152a9ce6ff3fschneider@chromium.org // subexpression. Match the optimizing compiler by not branching. 42453a5fd78f0ca6c2827bb05f69a373d152a9ce6ff3fschneider@chromium.org VisitForEffect(expr->expression()); 4246c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org } else if (context()->IsTest()) { 4247c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org const TestContext* test = TestContext::cast(context()); 4248c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org // The labels are swapped for the recursive call. 4249c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org VisitForControl(expr->expression(), 4250c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org test->false_label(), 4251c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org test->true_label(), 4252c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org test->fall_through()); 4253c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org context()->Plug(test->true_label(), test->false_label()); 42543a5fd78f0ca6c2827bb05f69a373d152a9ce6ff3fschneider@chromium.org } else { 4255c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org // We handle value contexts explicitly rather than simply visiting 4256c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org // for control and plugging the control flow into the context, 4257c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org // because we need to prepare a pair of extra administrative AST ids 4258c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org // for the optimizing compiler. 4259e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(context()->IsAccumulatorValue() || context()->IsStackValue()); 4260c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org Label materialize_true, materialize_false, done; 4261c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org VisitForControl(expr->expression(), 4262c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org &materialize_false, 4263c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org &materialize_true, 4264c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org &materialize_true); 4265c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org __ bind(&materialize_true); 4266c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org PrepareForBailoutForId(expr->MaterializeTrueId(), NO_REGISTERS); 4267c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org if (context()->IsAccumulatorValue()) { 4268c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org __ LoadRoot(rax, Heap::kTrueValueRootIndex); 4269c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org } else { 4270c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org __ PushRoot(Heap::kTrueValueRootIndex); 4271c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org } 4272c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org __ jmp(&done, Label::kNear); 4273c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org __ bind(&materialize_false); 4274c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org PrepareForBailoutForId(expr->MaterializeFalseId(), NO_REGISTERS); 4275c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org if (context()->IsAccumulatorValue()) { 4276c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org __ LoadRoot(rax, Heap::kFalseValueRootIndex); 4277c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org } else { 4278c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org __ PushRoot(Heap::kFalseValueRootIndex); 4279c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org } 4280c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org __ bind(&done); 42813a5fd78f0ca6c2827bb05f69a373d152a9ce6ff3fschneider@chromium.org } 4282b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org break; 4283b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org } 4284b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 4285b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org case Token::TYPEOF: { 4286b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org Comment cmnt(masm_, "[ UnaryOperation (TYPEOF)"); 42874a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org { StackValueContext context(this); 42884a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org VisitForTypeofValue(expr->expression()); 42894a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org } 4290b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org __ CallRuntime(Runtime::kTypeof, 1); 42914a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org context()->Plug(rax); 4292b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org break; 4293b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org } 4294b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 4295b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org default: 4296b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org UNREACHABLE(); 4297b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org } 4298b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org} 4299b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 4300b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 4301b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.orgvoid FullCodeGenerator::VisitCountOperation(CountOperation* expr) { 4302e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(expr->expression()->IsValidReferenceExpression()); 43032904d1a42292be3056c2dd3f98822f8e1470fa72machenbach@chromium.org 4304b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org Comment cmnt(masm_, "[ CountOperation"); 430565fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org SetSourcePosition(expr->position()); 4306b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 4307b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org // Expression can only be a property, a global or a (parameter or local) 43087b26015ac58e54e88f4214e248f772ad4f055477whesse@chromium.org // slot. 4309b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org enum LhsKind { VARIABLE, NAMED_PROPERTY, KEYED_PROPERTY }; 4310b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org LhsKind assign_type = VARIABLE; 4311b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org Property* prop = expr->expression()->AsProperty(); 4312b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org // In case of a property we use the uninitialized expression context 4313b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org // of the key to detect a named property. 4314b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org if (prop != NULL) { 4315b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org assign_type = 4316b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org (prop->key()->IsPropertyName()) ? NAMED_PROPERTY : KEYED_PROPERTY; 4317b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org } 4318b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 4319b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org // Evaluate expression and get value. 4320b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org if (assign_type == VARIABLE) { 4321e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(expr->expression()->AsVariableProxy()->var() != NULL); 43224a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org AccumulatorValueContext context(this); 4323030d38ee536bc25856546e75fdac60d1a0c42bddwhesse@chromium.org EmitVariableLoad(expr->expression()->AsVariableProxy()); 43249dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com } else { 4325b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org // Reserve space for result of postfix operation. 43264a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org if (expr->is_postfix() && !context()->IsEffect()) { 4327b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org __ Push(Smi::FromInt(0)); 4328b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org } 4329b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org if (assign_type == NAMED_PROPERTY) { 43305de0074a922429f5e0ec2cf140c2d2989bf88140yangguo@chromium.org VisitForStackValue(prop->obj()); 43319aaa825cf89e1bcfece269a453300ebf4a26d64dmachenbach@chromium.org __ movp(LoadDescriptor::ReceiverRegister(), Operand(rsp, 0)); 4332b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org EmitNamedPropertyLoad(prop); 4333b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org } else { 43347b26015ac58e54e88f4214e248f772ad4f055477whesse@chromium.org VisitForStackValue(prop->obj()); 43355de0074a922429f5e0ec2cf140c2d2989bf88140yangguo@chromium.org VisitForStackValue(prop->key()); 4336248dd43badb99ffce44eae2d767cda3cefaad521machenbach@chromium.org // Leave receiver on stack 43379aaa825cf89e1bcfece269a453300ebf4a26d64dmachenbach@chromium.org __ movp(LoadDescriptor::ReceiverRegister(), Operand(rsp, kPointerSize)); 4338248dd43badb99ffce44eae2d767cda3cefaad521machenbach@chromium.org // Copy of key, needed for later store. 43399aaa825cf89e1bcfece269a453300ebf4a26d64dmachenbach@chromium.org __ movp(LoadDescriptor::NameRegister(), Operand(rsp, 0)); 4340b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org EmitKeyedPropertyLoad(prop); 4341b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org } 4342b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org } 4343b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 4344d2c22f0121ebc55ee26a9e742f0fd7c0b8397730kmillikin@chromium.org // We need a second deoptimization point after loading the value 4345d2c22f0121ebc55ee26a9e742f0fd7c0b8397730kmillikin@chromium.org // in case evaluating the property load my have a side effect. 4346c36ce6e8979bbbd43539f0a0effc87ea20dd65cckmillikin@chromium.org if (assign_type == VARIABLE) { 4347c36ce6e8979bbbd43539f0a0effc87ea20dd65cckmillikin@chromium.org PrepareForBailout(expr->expression(), TOS_REG); 4348c36ce6e8979bbbd43539f0a0effc87ea20dd65cckmillikin@chromium.org } else { 4349471f2f1d24adb4bad1edc3bf0ee35092486de187mstarzinger@chromium.org PrepareForBailoutForId(prop->LoadId(), TOS_REG); 4350c36ce6e8979bbbd43539f0a0effc87ea20dd65cckmillikin@chromium.org } 4351d2c22f0121ebc55ee26a9e742f0fd7c0b8397730kmillikin@chromium.org 4352e8412be858dc48afaec4959e42c5932f71a7f29bmachenbach@chromium.org // Inline smi case if we are in a loop. 4353e8412be858dc48afaec4959e42c5932f71a7f29bmachenbach@chromium.org Label done, stub_call; 4354e8412be858dc48afaec4959e42c5932f71a7f29bmachenbach@chromium.org JumpPatchSite patch_site(masm_); 4355ba72ec861b69b67139c93fc6dd56f4a73c9b3135jkummerow@chromium.org if (ShouldInlineSmiCase(expr->op())) { 4356e8412be858dc48afaec4959e42c5932f71a7f29bmachenbach@chromium.org Label slow; 4357e8412be858dc48afaec4959e42c5932f71a7f29bmachenbach@chromium.org patch_site.EmitJumpIfNotSmi(rax, &slow, Label::kNear); 4358e8412be858dc48afaec4959e42c5932f71a7f29bmachenbach@chromium.org 4359e8412be858dc48afaec4959e42c5932f71a7f29bmachenbach@chromium.org // Save result for postfix expressions. 4360e8412be858dc48afaec4959e42c5932f71a7f29bmachenbach@chromium.org if (expr->is_postfix()) { 4361e8412be858dc48afaec4959e42c5932f71a7f29bmachenbach@chromium.org if (!context()->IsEffect()) { 4362e8412be858dc48afaec4959e42c5932f71a7f29bmachenbach@chromium.org // Save the result on the stack. If we have a named or keyed property 4363e8412be858dc48afaec4959e42c5932f71a7f29bmachenbach@chromium.org // we store the result under the receiver that is currently on top 4364e8412be858dc48afaec4959e42c5932f71a7f29bmachenbach@chromium.org // of the stack. 4365e8412be858dc48afaec4959e42c5932f71a7f29bmachenbach@chromium.org switch (assign_type) { 4366e8412be858dc48afaec4959e42c5932f71a7f29bmachenbach@chromium.org case VARIABLE: 4367763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(rax); 4368e8412be858dc48afaec4959e42c5932f71a7f29bmachenbach@chromium.org break; 4369e8412be858dc48afaec4959e42c5932f71a7f29bmachenbach@chromium.org case NAMED_PROPERTY: 437043c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(Operand(rsp, kPointerSize), rax); 4371e8412be858dc48afaec4959e42c5932f71a7f29bmachenbach@chromium.org break; 4372e8412be858dc48afaec4959e42c5932f71a7f29bmachenbach@chromium.org case KEYED_PROPERTY: 437343c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(Operand(rsp, 2 * kPointerSize), rax); 4374e8412be858dc48afaec4959e42c5932f71a7f29bmachenbach@chromium.org break; 4375e8412be858dc48afaec4959e42c5932f71a7f29bmachenbach@chromium.org } 4376e8412be858dc48afaec4959e42c5932f71a7f29bmachenbach@chromium.org } 4377e8412be858dc48afaec4959e42c5932f71a7f29bmachenbach@chromium.org } 4378e8412be858dc48afaec4959e42c5932f71a7f29bmachenbach@chromium.org 4379e8412be858dc48afaec4959e42c5932f71a7f29bmachenbach@chromium.org SmiOperationExecutionMode mode; 4380e8412be858dc48afaec4959e42c5932f71a7f29bmachenbach@chromium.org mode.Add(PRESERVE_SOURCE_REGISTER); 4381e8412be858dc48afaec4959e42c5932f71a7f29bmachenbach@chromium.org mode.Add(BAILOUT_ON_NO_OVERFLOW); 4382e8412be858dc48afaec4959e42c5932f71a7f29bmachenbach@chromium.org if (expr->op() == Token::INC) { 4383e8412be858dc48afaec4959e42c5932f71a7f29bmachenbach@chromium.org __ SmiAddConstant(rax, rax, Smi::FromInt(1), mode, &done, Label::kNear); 4384e8412be858dc48afaec4959e42c5932f71a7f29bmachenbach@chromium.org } else { 4385e8412be858dc48afaec4959e42c5932f71a7f29bmachenbach@chromium.org __ SmiSubConstant(rax, rax, Smi::FromInt(1), mode, &done, Label::kNear); 4386e8412be858dc48afaec4959e42c5932f71a7f29bmachenbach@chromium.org } 4387e8412be858dc48afaec4959e42c5932f71a7f29bmachenbach@chromium.org __ jmp(&stub_call, Label::kNear); 4388e8412be858dc48afaec4959e42c5932f71a7f29bmachenbach@chromium.org __ bind(&slow); 4389ba72ec861b69b67139c93fc6dd56f4a73c9b3135jkummerow@chromium.org } 4390e8412be858dc48afaec4959e42c5932f71a7f29bmachenbach@chromium.org 4391f2f0489407bbb5e50d16ae791442df29513b53b5machenbach@chromium.org ToNumberStub convert_stub(isolate()); 43927a392b3bfb39dbbc1ff22f0b53109aa5763fde57whesse@chromium.org __ CallStub(&convert_stub); 4393b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 4394b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org // Save result for postfix expressions. 4395b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org if (expr->is_postfix()) { 43964a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org if (!context()->IsEffect()) { 43974a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org // Save the result on the stack. If we have a named or keyed property 43984a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org // we store the result under the receiver that is currently on top 43994a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org // of the stack. 44004a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org switch (assign_type) { 44014a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org case VARIABLE: 4402763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(rax); 44034a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org break; 44044a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org case NAMED_PROPERTY: 440543c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(Operand(rsp, kPointerSize), rax); 44064a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org break; 44074a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org case KEYED_PROPERTY: 440843c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(Operand(rsp, 2 * kPointerSize), rax); 44094a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org break; 44104a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org } 4411b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org } 4412b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org } 4413b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 4414a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org // Record position before stub call. 4415a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org SetSourcePosition(expr->position()); 4416a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org 4417b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org // Call stub for +1/-1. 4418e8412be858dc48afaec4959e42c5932f71a7f29bmachenbach@chromium.org __ bind(&stub_call); 441943c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rdx, rax); 4420fb37721ea34922d8758d5cb26ae465aaf241e6b6yangguo@chromium.org __ Move(rax, Smi::FromInt(1)); 44216313e220249748eb26e1ddcee2bbe857fef03b42machenbach@chromium.org Handle<Code> code = CodeFactory::BinaryOpIC(isolate(), expr->binary_op(), 44226313e220249748eb26e1ddcee2bbe857fef03b42machenbach@chromium.org NO_OVERWRITE).code(); 44236313e220249748eb26e1ddcee2bbe857fef03b42machenbach@chromium.org CallIC(code, expr->CountBinOpFeedbackId()); 44244f693d6b99ffdbc05e5e211e08ed5039e13279d2ricow@chromium.org patch_site.EmitPatchInfo(); 442583aa54905e559090bea7771b83f188762cfcf082ricow@chromium.org __ bind(&done); 4426d91075f76b836c2cfa4f4e4cc0fb31170df864ccerik.corry@gmail.com 4427b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org // Store the value returned in rax. 4428b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org switch (assign_type) { 4429b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org case VARIABLE: 4430b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org if (expr->is_postfix()) { 44319dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com // Perform the assignment as if via '='. 44324a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org { EffectContext context(this); 44334a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org EmitVariableAssignment(expr->expression()->AsVariableProxy()->var(), 44344a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org Token::ASSIGN); 4435d2c22f0121ebc55ee26a9e742f0fd7c0b8397730kmillikin@chromium.org PrepareForBailoutForId(expr->AssignmentId(), TOS_REG); 44365f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.org context.Plug(rax); 44374a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org } 4438b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org // For all contexts except kEffect: We have the result on 4439b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org // top of the stack. 44404a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org if (!context()->IsEffect()) { 44414a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org context()->PlugTOS(); 4442b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org } 4443b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org } else { 44449dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com // Perform the assignment as if via '='. 4445b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org EmitVariableAssignment(expr->expression()->AsVariableProxy()->var(), 44464a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org Token::ASSIGN); 4447d2c22f0121ebc55ee26a9e742f0fd7c0b8397730kmillikin@chromium.org PrepareForBailoutForId(expr->AssignmentId(), TOS_REG); 44485f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.org context()->Plug(rax); 4449b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org } 4450b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org break; 4451b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org case NAMED_PROPERTY: { 44529aaa825cf89e1bcfece269a453300ebf4a26d64dmachenbach@chromium.org __ Move(StoreDescriptor::NameRegister(), 4453fa7f914e3bacba481b13da5cf2bc4c935567ebc4machenbach@chromium.org prop->key()->AsLiteral()->value()); 44549aaa825cf89e1bcfece269a453300ebf4a26d64dmachenbach@chromium.org __ Pop(StoreDescriptor::ReceiverRegister()); 4455f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org CallStoreIC(expr->CountStoreFeedbackId()); 4456d2c22f0121ebc55ee26a9e742f0fd7c0b8397730kmillikin@chromium.org PrepareForBailoutForId(expr->AssignmentId(), TOS_REG); 4457b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org if (expr->is_postfix()) { 44584a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org if (!context()->IsEffect()) { 44594a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org context()->PlugTOS(); 4460b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org } 4461b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org } else { 44624a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org context()->Plug(rax); 4463b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org } 4464b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org break; 4465b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org } 4466b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org case KEYED_PROPERTY: { 44679aaa825cf89e1bcfece269a453300ebf4a26d64dmachenbach@chromium.org __ Pop(StoreDescriptor::NameRegister()); 44689aaa825cf89e1bcfece269a453300ebf4a26d64dmachenbach@chromium.org __ Pop(StoreDescriptor::ReceiverRegister()); 44696313e220249748eb26e1ddcee2bbe857fef03b42machenbach@chromium.org Handle<Code> ic = 44706313e220249748eb26e1ddcee2bbe857fef03b42machenbach@chromium.org CodeFactory::KeyedStoreIC(isolate(), strict_mode()).code(); 4471f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org CallIC(ic, expr->CountStoreFeedbackId()); 4472d2c22f0121ebc55ee26a9e742f0fd7c0b8397730kmillikin@chromium.org PrepareForBailoutForId(expr->AssignmentId(), TOS_REG); 4473b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org if (expr->is_postfix()) { 44744a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org if (!context()->IsEffect()) { 44754a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org context()->PlugTOS(); 4476b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org } 4477b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org } else { 44784a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org context()->Plug(rax); 4479b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org } 4480b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org break; 4481b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org } 4482b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org } 4483b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org} 4484b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 4485b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 44864a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.orgvoid FullCodeGenerator::VisitForTypeofValue(Expression* expr) { 448765fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org VariableProxy* proxy = expr->AsVariableProxy(); 4488e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(!context()->IsEffect()); 4489e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(!context()->IsTest()); 44904a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org 4491486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org if (proxy != NULL && proxy->var()->IsUnallocated()) { 4492f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org Comment cmnt(masm_, "[ Global variable"); 44939aaa825cf89e1bcfece269a453300ebf4a26d64dmachenbach@chromium.org __ Move(LoadDescriptor::NameRegister(), proxy->name()); 44949aaa825cf89e1bcfece269a453300ebf4a26d64dmachenbach@chromium.org __ movp(LoadDescriptor::ReceiverRegister(), GlobalObjectOperand()); 44959d1a7a8cdb664730cf5703185e85a4716748c564machenbach@chromium.org if (FLAG_vector_ics) { 44969aaa825cf89e1bcfece269a453300ebf4a26d64dmachenbach@chromium.org __ Move(VectorLoadICDescriptor::SlotRegister(), 44979d1a7a8cdb664730cf5703185e85a4716748c564machenbach@chromium.org Smi::FromInt(proxy->VariableFeedbackSlot())); 44989d1a7a8cdb664730cf5703185e85a4716748c564machenbach@chromium.org } 449965fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org // Use a regular load, not a contextual load, to avoid a reference 450065fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org // error. 45019cbaabda8b4daeb06759ace10c926ab55bb69d7bulan@chromium.org CallLoadIC(NOT_CONTEXTUAL); 4502d2c22f0121ebc55ee26a9e742f0fd7c0b8397730kmillikin@chromium.org PrepareForBailout(expr, TOS_REG); 45034a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org context()->Plug(rax); 4504486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org } else if (proxy != NULL && proxy->var()->IsLookupSlot()) { 4505f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org Comment cmnt(masm_, "[ Lookup slot"); 45062ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org Label done, slow; 45072ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org 45082ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org // Generate code for loading from variables potentially shadowed 45092ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org // by eval-introduced variables. 45109d1a7a8cdb664730cf5703185e85a4716748c564machenbach@chromium.org EmitDynamicLookupFastCase(proxy, INSIDE_TYPEOF, &slow, &done); 45112ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org 45122ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org __ bind(&slow); 4513763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(rsi); 451465fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org __ Push(proxy->name()); 45154c3ce7c3fd2802da8f91c6516a9c9aea3cd93f1emachenbach@chromium.org __ CallRuntime(Runtime::kLoadLookupSlotNoReferenceError, 2); 4516d2c22f0121ebc55ee26a9e742f0fd7c0b8397730kmillikin@chromium.org PrepareForBailout(expr, TOS_REG); 45172ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org __ bind(&done); 45182ec107fe650fe56eed094ca017940f26af46644bsgjesse@chromium.org 45194a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org context()->Plug(rax); 45209dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com } else { 452165fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org // This expression cannot throw a reference error at the top level. 4522c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org VisitInDuplicateContext(expr); 452365fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org } 452465fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org} 452565fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org 452665fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org 452704921a8093ce8bbec34084bd742b7aa3d299be15ager@chromium.orgvoid FullCodeGenerator::EmitLiteralCompareTypeof(Expression* expr, 4528c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org Expression* sub_expr, 4529c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com Handle<String> check) { 4530c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com Label materialize_true, materialize_false; 4531c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com Label* if_true = NULL; 4532c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com Label* if_false = NULL; 4533c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com Label* fall_through = NULL; 4534c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com context()->PrepareTest(&materialize_true, &materialize_false, 4535c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com &if_true, &if_false, &fall_through); 4536c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com 45374a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org { AccumulatorValueContext context(this); 4538c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org VisitForTypeofValue(sub_expr); 45394a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org } 4540c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org PrepareForBailoutBeforeSplit(expr, true, if_true, if_false); 45414a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org 45422ebef182c49d59eba907b120c3c2a50808bd1f12machenbach@chromium.org Factory* factory = isolate()->factory(); 45432ebef182c49d59eba907b120c3c2a50808bd1f12machenbach@chromium.org if (String::Equals(check, factory->number_string())) { 45448f806e8b8f108ca2c8899c5d31861ef1273dcd4akarlklose@chromium.org __ JumpIfSmi(rax, if_true); 454543c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rax, FieldOperand(rax, HeapObject::kMapOffset)); 454665fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org __ CompareRoot(rax, Heap::kHeapNumberMapRootIndex); 454765fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org Split(equal, if_true, if_false, fall_through); 45482ebef182c49d59eba907b120c3c2a50808bd1f12machenbach@chromium.org } else if (String::Equals(check, factory->string_string())) { 45498f806e8b8f108ca2c8899c5d31861ef1273dcd4akarlklose@chromium.org __ JumpIfSmi(rax, if_false); 455065fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org // Check for undetectable objects => false. 45518f806e8b8f108ca2c8899c5d31861ef1273dcd4akarlklose@chromium.org __ CmpObjectType(rax, FIRST_NONSTRING_TYPE, rdx); 45528f806e8b8f108ca2c8899c5d31861ef1273dcd4akarlklose@chromium.org __ j(above_equal, if_false); 455365fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org __ testb(FieldOperand(rdx, Map::kBitFieldOffset), 455465fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org Immediate(1 << Map::kIsUndetectable)); 45558f806e8b8f108ca2c8899c5d31861ef1273dcd4akarlklose@chromium.org Split(zero, if_true, if_false, fall_through); 45562ebef182c49d59eba907b120c3c2a50808bd1f12machenbach@chromium.org } else if (String::Equals(check, factory->symbol_string())) { 4557f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.org __ JumpIfSmi(rax, if_false); 4558f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.org __ CmpObjectType(rax, SYMBOL_TYPE, rdx); 4559f705b5034dc5bc422ac1019b591469a7d0534772mstarzinger@chromium.org Split(equal, if_true, if_false, fall_through); 45602ebef182c49d59eba907b120c3c2a50808bd1f12machenbach@chromium.org } else if (String::Equals(check, factory->boolean_string())) { 456165fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org __ CompareRoot(rax, Heap::kTrueValueRootIndex); 45629dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ j(equal, if_true); 456365fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org __ CompareRoot(rax, Heap::kFalseValueRootIndex); 456465fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org Split(equal, if_true, if_false, fall_through); 45652ebef182c49d59eba907b120c3c2a50808bd1f12machenbach@chromium.org } else if (String::Equals(check, factory->undefined_string())) { 456665fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org __ CompareRoot(rax, Heap::kUndefinedValueRootIndex); 45679dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com __ j(equal, if_true); 45688f806e8b8f108ca2c8899c5d31861ef1273dcd4akarlklose@chromium.org __ JumpIfSmi(rax, if_false); 456965fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org // Check for undetectable objects => true. 457043c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rdx, FieldOperand(rax, HeapObject::kMapOffset)); 457165fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org __ testb(FieldOperand(rdx, Map::kBitFieldOffset), 45729dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com Immediate(1 << Map::kIsUndetectable)); 457365fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org Split(not_zero, if_true, if_false, fall_through); 45742ebef182c49d59eba907b120c3c2a50808bd1f12machenbach@chromium.org } else if (String::Equals(check, factory->function_string())) { 45758f806e8b8f108ca2c8899c5d31861ef1273dcd4akarlklose@chromium.org __ JumpIfSmi(rax, if_false); 4576c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com STATIC_ASSERT(NUM_OF_CALLABLE_SPEC_OBJECT_TYPES == 2); 4577c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com __ CmpObjectType(rax, JS_FUNCTION_TYPE, rdx); 4578c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com __ j(equal, if_true); 4579c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com __ CmpInstanceType(rdx, JS_FUNCTION_PROXY_TYPE); 4580c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com Split(equal, if_true, if_false, fall_through); 45812ebef182c49d59eba907b120c3c2a50808bd1f12machenbach@chromium.org } else if (String::Equals(check, factory->object_string())) { 45828f806e8b8f108ca2c8899c5d31861ef1273dcd4akarlklose@chromium.org __ JumpIfSmi(rax, if_false); 45839d1a7a8cdb664730cf5703185e85a4716748c564machenbach@chromium.org __ CompareRoot(rax, Heap::kNullValueRootIndex); 45849d1a7a8cdb664730cf5703185e85a4716748c564machenbach@chromium.org __ j(equal, if_true); 4585d2be901879306d8ff27e78e37783028d581d46fcricow@chromium.org __ CmpObjectType(rax, FIRST_NONCALLABLE_SPEC_OBJECT_TYPE, rdx); 45868f806e8b8f108ca2c8899c5d31861ef1273dcd4akarlklose@chromium.org __ j(below, if_false); 4587d2be901879306d8ff27e78e37783028d581d46fcricow@chromium.org __ CmpInstanceType(rdx, LAST_NONCALLABLE_SPEC_OBJECT_TYPE); 4588d2be901879306d8ff27e78e37783028d581d46fcricow@chromium.org __ j(above, if_false); 458965fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org // Check for undetectable objects => false. 459065fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org __ testb(FieldOperand(rdx, Map::kBitFieldOffset), 459165fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org Immediate(1 << Map::kIsUndetectable)); 45928f806e8b8f108ca2c8899c5d31861ef1273dcd4akarlklose@chromium.org Split(zero, if_true, if_false, fall_through); 459365fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org } else { 459465fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org if (if_false != fall_through) __ jmp(if_false); 45959dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com } 4596c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com context()->Plug(if_true, if_false); 45979dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com} 45989dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 45999dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 4600b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.orgvoid FullCodeGenerator::VisitCompareOperation(CompareOperation* expr) { 4601b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org Comment cmnt(masm_, "[ CompareOperation"); 460265fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org SetSourcePosition(expr->position()); 4603b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 4604c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com // First we try a fast inlined version of the compare when one of 4605c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com // the operands is a literal. 4606c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com if (TryLiteralCompare(expr)) return; 4607c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com 4608b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org // Always perform the comparison for its control flow. Pack the result 4609b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org // into the expression's context after the comparison is performed. 46109dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com Label materialize_true, materialize_false; 46119dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com Label* if_true = NULL; 46129dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com Label* if_false = NULL; 461365fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org Label* fall_through = NULL; 46144a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org context()->PrepareTest(&materialize_true, &materialize_false, 46154a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org &if_true, &if_false, &fall_through); 461665fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org 461704921a8093ce8bbec34084bd742b7aa3d299be15ager@chromium.org Token::Value op = expr->op(); 46184a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org VisitForStackValue(expr->left()); 461965fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org switch (op) { 4620b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org case Token::IN: 46214a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org VisitForStackValue(expr->right()); 4622b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org __ InvokeBuiltin(Builtins::IN, CALL_FUNCTION); 4623c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org PrepareForBailoutBeforeSplit(expr, false, NULL, NULL); 4624b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org __ CompareRoot(rax, Heap::kTrueValueRootIndex); 462565fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org Split(equal, if_true, if_false, fall_through); 4626b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org break; 4627b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 4628b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org case Token::INSTANCEOF: { 46294a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org VisitForStackValue(expr->right()); 4630f2f0489407bbb5e50d16ae791442df29513b53b5machenbach@chromium.org InstanceofStub stub(isolate(), InstanceofStub::kNoFlags); 4631b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org __ CallStub(&stub); 4632c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org PrepareForBailoutBeforeSplit(expr, true, if_true, if_false); 46337a1bfbe9bc8295770315c55f7ce40822b7951aabmachenbach@chromium.org __ testp(rax, rax); 463465fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org // The stub returns 0 for true. 463565fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org Split(zero, if_true, if_false, fall_through); 4636b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org break; 4637b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org } 4638b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 4639b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org default: { 46404a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org VisitForAccumulatorValue(expr->right()); 4641fb37721ea34922d8758d5cb26ae465aaf241e6b6yangguo@chromium.org Condition cc = CompareIC::ComputeCondition(op); 4642763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Pop(rdx); 4643b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 4644d88afa260e45de10e729b05a20146184a488aff7erik.corry@gmail.com bool inline_smi_code = ShouldInlineSmiCase(op); 4645d91075f76b836c2cfa4f4e4cc0fb31170df864ccerik.corry@gmail.com JumpPatchSite patch_site(masm_); 4646d88afa260e45de10e729b05a20146184a488aff7erik.corry@gmail.com if (inline_smi_code) { 464783a4728861129dc263ded92157f3e6389f851f19karlklose@chromium.org Label slow_case; 464843c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rcx, rdx); 4649895f00d1d8c5a7a7209c36d690688e3552de3df4machenbach@chromium.org __ orp(rcx, rax); 465083a4728861129dc263ded92157f3e6389f851f19karlklose@chromium.org patch_site.EmitJumpIfNotSmi(rcx, &slow_case, Label::kNear); 46517a1bfbe9bc8295770315c55f7ce40822b7951aabmachenbach@chromium.org __ cmpp(rdx, rax); 465265fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org Split(cc, if_true, if_false, NULL); 465365fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org __ bind(&slow_case); 465465fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org } 4655b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 4656d91075f76b836c2cfa4f4e4cc0fb31170df864ccerik.corry@gmail.com // Record position and call the compare IC. 4657d91075f76b836c2cfa4f4e4cc0fb31170df864ccerik.corry@gmail.com SetSourcePosition(expr->position()); 46586313e220249748eb26e1ddcee2bbe857fef03b42machenbach@chromium.org Handle<Code> ic = CodeFactory::CompareIC(isolate(), op).code(); 4659f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org CallIC(ic, expr->CompareOperationFeedbackId()); 46604f693d6b99ffdbc05e5e211e08ed5039e13279d2ricow@chromium.org patch_site.EmitPatchInfo(); 4661d2c22f0121ebc55ee26a9e742f0fd7c0b8397730kmillikin@chromium.org 4662c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org PrepareForBailoutBeforeSplit(expr, true, if_true, if_false); 46637a1bfbe9bc8295770315c55f7ce40822b7951aabmachenbach@chromium.org __ testp(rax, rax); 466465fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org Split(cc, if_true, if_false, fall_through); 4665b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org } 4666b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org } 4667b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 4668b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org // Convert the result of the comparison into one expected for this 4669b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org // expression's context. 46704a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org context()->Plug(if_true, if_false); 4671b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org} 4672b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 4673b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 4674c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.comvoid FullCodeGenerator::EmitLiteralCompareNil(CompareOperation* expr, 4675c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com Expression* sub_expr, 4676c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com NilValue nil) { 467765fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org Label materialize_true, materialize_false; 467865fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org Label* if_true = NULL; 467965fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org Label* if_false = NULL; 468065fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org Label* fall_through = NULL; 46814a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org context()->PrepareTest(&materialize_true, &materialize_false, 46824a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org &if_true, &if_false, &fall_through); 468365fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org 4684c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com VisitForAccumulatorValue(sub_expr); 4685c3b37129d6387b2db313f9100256d2d5f60dd9a8jkummerow@chromium.org PrepareForBailoutBeforeSplit(expr, true, if_true, if_false); 4686837a67edd9afdbfe1b59482b41693f59c48846ffulan@chromium.org if (expr->op() == Token::EQ_STRICT) { 4687ca29dd85fa02449d17188f5a6ff9a7cdf2ad9680danno@chromium.org Heap::RootListIndex nil_value = nil == kNullValue ? 4688ca29dd85fa02449d17188f5a6ff9a7cdf2ad9680danno@chromium.org Heap::kNullValueRootIndex : 4689ca29dd85fa02449d17188f5a6ff9a7cdf2ad9680danno@chromium.org Heap::kUndefinedValueRootIndex; 4690ca29dd85fa02449d17188f5a6ff9a7cdf2ad9680danno@chromium.org __ CompareRoot(rax, nil_value); 469165fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org Split(equal, if_true, if_false, fall_through); 469265fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org } else { 4693837a67edd9afdbfe1b59482b41693f59c48846ffulan@chromium.org Handle<Code> ic = CompareNilICStub::GetUninitialized(isolate(), nil); 4694f5a24546072ecdbbd6372c85c42157e01e913561titzer@chromium.org CallIC(ic, expr->CompareOperationFeedbackId()); 46957a1bfbe9bc8295770315c55f7ce40822b7951aabmachenbach@chromium.org __ testp(rax, rax); 469665fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org Split(not_zero, if_true, if_false, fall_through); 469765fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org } 46984a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org context()->Plug(if_true, if_false); 469965fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org} 470065fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org 470165fae84840520e9ce49a78bf542abf073b49ac3fricow@chromium.org 4702b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.orgvoid FullCodeGenerator::VisitThisFunction(ThisFunction* expr) { 470343c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rax, Operand(rbp, JavaScriptFrameConstants::kFunctionOffset)); 47044a1fe7d5e92fdb673d5f05d5ddf7b1ed703ba18dwhesse@chromium.org context()->Plug(rax); 4705b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org} 4706b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 4707b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 4708c20610af4f0ca150977ca140a1174f98ee46f5aafschneider@chromium.orgRegister FullCodeGenerator::result_register() { 4709c20610af4f0ca150977ca140a1174f98ee46f5aafschneider@chromium.org return rax; 4710c20610af4f0ca150977ca140a1174f98ee46f5aafschneider@chromium.org} 4711c20610af4f0ca150977ca140a1174f98ee46f5aafschneider@chromium.org 4712c20610af4f0ca150977ca140a1174f98ee46f5aafschneider@chromium.org 4713c20610af4f0ca150977ca140a1174f98ee46f5aafschneider@chromium.orgRegister FullCodeGenerator::context_register() { 4714c20610af4f0ca150977ca140a1174f98ee46f5aafschneider@chromium.org return rsi; 4715c20610af4f0ca150977ca140a1174f98ee46f5aafschneider@chromium.org} 4716c20610af4f0ca150977ca140a1174f98ee46f5aafschneider@chromium.org 4717b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 4718b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.orgvoid FullCodeGenerator::StoreToFrameField(int frame_offset, Register value) { 4719e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(IsAligned(frame_offset, kPointerSize)); 472043c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(Operand(rbp, frame_offset), value); 4721b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org} 4722b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 4723b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 4724b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.orgvoid FullCodeGenerator::LoadContextField(Register dst, int context_index) { 472543c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(dst, ContextOperand(rsi, context_index)); 4726b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org} 4727b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 4728b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 47293cf47318da216c319ecf1f7a59de23455f117197vegorov@chromium.orgvoid FullCodeGenerator::PushFunctionArgumentForContextAllocation() { 47304f693d6b99ffdbc05e5e211e08ed5039e13279d2ricow@chromium.org Scope* declaration_scope = scope()->DeclarationScope(); 4731ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com if (declaration_scope->is_global_scope() || 4732ed49e965b5cafa35395084dbfb79f4e07930f10ferik.corry@gmail.com declaration_scope->is_module_scope()) { 473346839fbbdee40a3d2d924e8b5b13c4139b0b24f2yangguo@chromium.org // Contexts nested in the native context have a canonical empty function 47343cf47318da216c319ecf1f7a59de23455f117197vegorov@chromium.org // as their closure, not the anonymous closure containing the global 47353cf47318da216c319ecf1f7a59de23455f117197vegorov@chromium.org // code. Pass a smi sentinel and let the runtime look up the empty 47363cf47318da216c319ecf1f7a59de23455f117197vegorov@chromium.org // function. 47373cf47318da216c319ecf1f7a59de23455f117197vegorov@chromium.org __ Push(Smi::FromInt(0)); 47384f693d6b99ffdbc05e5e211e08ed5039e13279d2ricow@chromium.org } else if (declaration_scope->is_eval_scope()) { 47393cf47318da216c319ecf1f7a59de23455f117197vegorov@chromium.org // Contexts created by a call to eval have the same closure as the 47403cf47318da216c319ecf1f7a59de23455f117197vegorov@chromium.org // context calling eval, not the anonymous closure containing the eval 47413cf47318da216c319ecf1f7a59de23455f117197vegorov@chromium.org // code. Fetch it from the context. 4742763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(ContextOperand(rsi, Context::CLOSURE_INDEX)); 47433cf47318da216c319ecf1f7a59de23455f117197vegorov@chromium.org } else { 4744e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(declaration_scope->is_function_scope()); 4745763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(Operand(rbp, JavaScriptFrameConstants::kFunctionOffset)); 47463cf47318da216c319ecf1f7a59de23455f117197vegorov@chromium.org } 47473cf47318da216c319ecf1f7a59de23455f117197vegorov@chromium.org} 47483cf47318da216c319ecf1f7a59de23455f117197vegorov@chromium.org 47493cf47318da216c319ecf1f7a59de23455f117197vegorov@chromium.org 4750b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org// ---------------------------------------------------------------------------- 4751b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org// Non-local control flow support. 4752b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 4753b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 4754b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.orgvoid FullCodeGenerator::EnterFinallyBlock() { 4755e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(!result_register().is(rdx)); 4756e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(!result_register().is(rcx)); 4757b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org // Cook return address on top of stack (smi encoded Code* delta) 4758594006017e46d82ed7146611dc12c20e3c509c7ddanno@chromium.org __ PopReturnAddressTo(rdx); 4759b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org __ Move(rcx, masm_->CodeObject()); 4760fa0c3c69b9d632e5730bdd9c745c375beef5e54dmachenbach@chromium.org __ subp(rdx, rcx); 4761b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org __ Integer32ToSmi(rdx, rdx); 4762763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(rdx); 47637028c05c1c71b9d5c5fe1bca01f2461d17a2dda7mmassi@chromium.org 4764b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org // Store result register while executing finally block. 4765763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(result_register()); 47667028c05c1c71b9d5c5fe1bca01f2461d17a2dda7mmassi@chromium.org 47677028c05c1c71b9d5c5fe1bca01f2461d17a2dda7mmassi@chromium.org // Store pending message while executing finally block. 47687028c05c1c71b9d5c5fe1bca01f2461d17a2dda7mmassi@chromium.org ExternalReference pending_message_obj = 47697028c05c1c71b9d5c5fe1bca01f2461d17a2dda7mmassi@chromium.org ExternalReference::address_of_pending_message_obj(isolate()); 47707028c05c1c71b9d5c5fe1bca01f2461d17a2dda7mmassi@chromium.org __ Load(rdx, pending_message_obj); 4771763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(rdx); 47727028c05c1c71b9d5c5fe1bca01f2461d17a2dda7mmassi@chromium.org 47737028c05c1c71b9d5c5fe1bca01f2461d17a2dda7mmassi@chromium.org ExternalReference has_pending_message = 47747028c05c1c71b9d5c5fe1bca01f2461d17a2dda7mmassi@chromium.org ExternalReference::address_of_has_pending_message(isolate()); 47757028c05c1c71b9d5c5fe1bca01f2461d17a2dda7mmassi@chromium.org __ Load(rdx, has_pending_message); 4776753aee4dcf0868130789b5af7c1eeb6ab2ab24f9verwaest@chromium.org __ Integer32ToSmi(rdx, rdx); 4777763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(rdx); 47787028c05c1c71b9d5c5fe1bca01f2461d17a2dda7mmassi@chromium.org 47797028c05c1c71b9d5c5fe1bca01f2461d17a2dda7mmassi@chromium.org ExternalReference pending_message_script = 47807028c05c1c71b9d5c5fe1bca01f2461d17a2dda7mmassi@chromium.org ExternalReference::address_of_pending_message_script(isolate()); 47817028c05c1c71b9d5c5fe1bca01f2461d17a2dda7mmassi@chromium.org __ Load(rdx, pending_message_script); 4782763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Push(rdx); 4783b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org} 4784b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 4785b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 4786b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.orgvoid FullCodeGenerator::ExitFinallyBlock() { 4787e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(!result_register().is(rdx)); 4788e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK(!result_register().is(rcx)); 47897028c05c1c71b9d5c5fe1bca01f2461d17a2dda7mmassi@chromium.org // Restore pending message from stack. 4790763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Pop(rdx); 47917028c05c1c71b9d5c5fe1bca01f2461d17a2dda7mmassi@chromium.org ExternalReference pending_message_script = 47927028c05c1c71b9d5c5fe1bca01f2461d17a2dda7mmassi@chromium.org ExternalReference::address_of_pending_message_script(isolate()); 47937028c05c1c71b9d5c5fe1bca01f2461d17a2dda7mmassi@chromium.org __ Store(pending_message_script, rdx); 47947028c05c1c71b9d5c5fe1bca01f2461d17a2dda7mmassi@chromium.org 4795763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Pop(rdx); 4796753aee4dcf0868130789b5af7c1eeb6ab2ab24f9verwaest@chromium.org __ SmiToInteger32(rdx, rdx); 47977028c05c1c71b9d5c5fe1bca01f2461d17a2dda7mmassi@chromium.org ExternalReference has_pending_message = 47987028c05c1c71b9d5c5fe1bca01f2461d17a2dda7mmassi@chromium.org ExternalReference::address_of_has_pending_message(isolate()); 47997028c05c1c71b9d5c5fe1bca01f2461d17a2dda7mmassi@chromium.org __ Store(has_pending_message, rdx); 48007028c05c1c71b9d5c5fe1bca01f2461d17a2dda7mmassi@chromium.org 4801763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Pop(rdx); 48027028c05c1c71b9d5c5fe1bca01f2461d17a2dda7mmassi@chromium.org ExternalReference pending_message_obj = 48037028c05c1c71b9d5c5fe1bca01f2461d17a2dda7mmassi@chromium.org ExternalReference::address_of_pending_message_obj(isolate()); 48047028c05c1c71b9d5c5fe1bca01f2461d17a2dda7mmassi@chromium.org __ Store(pending_message_obj, rdx); 48057028c05c1c71b9d5c5fe1bca01f2461d17a2dda7mmassi@chromium.org 48067028c05c1c71b9d5c5fe1bca01f2461d17a2dda7mmassi@chromium.org // Restore result register from stack. 4807763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Pop(result_register()); 48087028c05c1c71b9d5c5fe1bca01f2461d17a2dda7mmassi@chromium.org 4809b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org // Uncook return address. 4810763da4c1a1bd42dfafe0844b4c18f4882cc66352machenbach@chromium.org __ Pop(rdx); 4811b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org __ SmiToInteger32(rdx, rdx); 4812b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org __ Move(rcx, masm_->CodeObject()); 4813fa0c3c69b9d632e5730bdd9c745c375beef5e54dmachenbach@chromium.org __ addp(rdx, rcx); 48144f693d6b99ffdbc05e5e211e08ed5039e13279d2ricow@chromium.org __ jmp(rdx); 4815b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org} 4816b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 4817b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 4818b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org#undef __ 4819b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 4820486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org#define __ ACCESS_MASM(masm()) 4821486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org 4822486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.orgFullCodeGenerator::NestedStatement* FullCodeGenerator::TryFinally::Exit( 4823486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org int* stack_depth, 4824486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org int* context_length) { 4825486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org // The macros used here must preserve the result register. 4826486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org 4827486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org // Because the handler block contains the context of the finally 4828486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org // code, we can restore it directly from there for the finally code 4829486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org // rather than iteratively unwinding contexts via their previous 4830486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org // links. 4831486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org __ Drop(*stack_depth); // Down to the handler block. 4832486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org if (*context_length > 0) { 4833486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org // Restore the context to its dedicated register and the stack. 483443c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(rsi, Operand(rsp, StackHandlerConstants::kContextOffset)); 483543c51e51fafad9405752a3d7e953367531469575machenbach@chromium.org __ movp(Operand(rbp, StandardFrameConstants::kContextOffset), rsi); 4836486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org } 4837486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org __ PopTryHandler(); 4838486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org __ call(finally_entry_); 4839486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org 4840486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org *stack_depth = 0; 4841486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org *context_length = 0; 4842486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org return previous_; 4843486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org} 4844486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org 4845486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org 4846486075aa3f2e6d0031ff182961b9eab00e1081d8jkummerow@chromium.org#undef __ 4847b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org 4848528ce02b8680a3ab6d75c7079f180a4016c69b7amachenbach@chromium.org 4849528ce02b8680a3ab6d75c7079f180a4016c69b7amachenbach@chromium.orgstatic const byte kJnsInstruction = 0x79; 4850528ce02b8680a3ab6d75c7079f180a4016c69b7amachenbach@chromium.orgstatic const byte kNopByteOne = 0x66; 4851528ce02b8680a3ab6d75c7079f180a4016c69b7amachenbach@chromium.orgstatic const byte kNopByteTwo = 0x90; 4852afbdadc5f06365a7889e7c1c1fdb7dbf596cce68machenbach@chromium.org#ifdef DEBUG 4853afbdadc5f06365a7889e7c1c1fdb7dbf596cce68machenbach@chromium.orgstatic const byte kCallInstruction = 0xe8; 4854afbdadc5f06365a7889e7c1c1fdb7dbf596cce68machenbach@chromium.org#endif 4855528ce02b8680a3ab6d75c7079f180a4016c69b7amachenbach@chromium.org 4856528ce02b8680a3ab6d75c7079f180a4016c69b7amachenbach@chromium.org 4857528ce02b8680a3ab6d75c7079f180a4016c69b7amachenbach@chromium.orgvoid BackEdgeTable::PatchAt(Code* unoptimized_code, 48588e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org Address pc, 48598e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org BackEdgeState target_state, 4860528ce02b8680a3ab6d75c7079f180a4016c69b7amachenbach@chromium.org Code* replacement_code) { 48618e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org Address call_target_address = pc - kIntSize; 48628e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org Address jns_instr_address = call_target_address - 3; 48638e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org Address jns_offset_address = call_target_address - 2; 48648e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org 48658e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org switch (target_state) { 48668e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org case INTERRUPT: 48678e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org // sub <profiling_counter>, <delta> ;; Not changed 48688e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org // jns ok 48698e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org // call <interrupt stub> 48708e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org // ok: 48718e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org *jns_instr_address = kJnsInstruction; 48728e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org *jns_offset_address = kJnsOffset; 48738e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org break; 48748e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org case ON_STACK_REPLACEMENT: 48758e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org case OSR_AFTER_STACK_CHECK: 48768e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org // sub <profiling_counter>, <delta> ;; Not changed 48778e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org // nop 48788e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org // nop 48798e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org // call <on-stack replacment> 48808e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org // ok: 48818e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org *jns_instr_address = kNopByteOne; 48828e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org *jns_offset_address = kNopByteTwo; 48838e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org break; 48848e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org } 48858e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org 4886528ce02b8680a3ab6d75c7079f180a4016c69b7amachenbach@chromium.org Assembler::set_target_address_at(call_target_address, 488797b98c9169c85693801d4d59089450695ad82e2dmachenbach@chromium.org unoptimized_code, 4888528ce02b8680a3ab6d75c7079f180a4016c69b7amachenbach@chromium.org replacement_code->entry()); 4889528ce02b8680a3ab6d75c7079f180a4016c69b7amachenbach@chromium.org unoptimized_code->GetHeap()->incremental_marking()->RecordCodeTargetPatch( 4890528ce02b8680a3ab6d75c7079f180a4016c69b7amachenbach@chromium.org unoptimized_code, call_target_address, replacement_code); 4891528ce02b8680a3ab6d75c7079f180a4016c69b7amachenbach@chromium.org} 4892528ce02b8680a3ab6d75c7079f180a4016c69b7amachenbach@chromium.org 4893528ce02b8680a3ab6d75c7079f180a4016c69b7amachenbach@chromium.org 4894528ce02b8680a3ab6d75c7079f180a4016c69b7amachenbach@chromium.orgBackEdgeTable::BackEdgeState BackEdgeTable::GetBackEdgeState( 4895528ce02b8680a3ab6d75c7079f180a4016c69b7amachenbach@chromium.org Isolate* isolate, 4896528ce02b8680a3ab6d75c7079f180a4016c69b7amachenbach@chromium.org Code* unoptimized_code, 48978e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org Address pc) { 48988e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org Address call_target_address = pc - kIntSize; 48998e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org Address jns_instr_address = call_target_address - 3; 4900e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK_EQ(kCallInstruction, *(call_target_address - 1)); 49018e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org 49028e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org if (*jns_instr_address == kJnsInstruction) { 4903e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK_EQ(kJnsOffset, *(call_target_address - 2)); 4904e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK_EQ(isolate->builtins()->InterruptCheck()->entry(), 490597b98c9169c85693801d4d59089450695ad82e2dmachenbach@chromium.org Assembler::target_address_at(call_target_address, 490697b98c9169c85693801d4d59089450695ad82e2dmachenbach@chromium.org unoptimized_code)); 4907528ce02b8680a3ab6d75c7079f180a4016c69b7amachenbach@chromium.org return INTERRUPT; 4908528ce02b8680a3ab6d75c7079f180a4016c69b7amachenbach@chromium.org } 49098e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org 4910e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK_EQ(kNopByteOne, *jns_instr_address); 4911e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK_EQ(kNopByteTwo, *(call_target_address - 2)); 49128e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org 491397b98c9169c85693801d4d59089450695ad82e2dmachenbach@chromium.org if (Assembler::target_address_at(call_target_address, 491497b98c9169c85693801d4d59089450695ad82e2dmachenbach@chromium.org unoptimized_code) == 49158e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org isolate->builtins()->OnStackReplacement()->entry()) { 49168e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org return ON_STACK_REPLACEMENT; 49178e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org } 49188e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org 4919e3c177a423baa3c30225c4e422b6f6c76d38b951machenbach@chromium.org DCHECK_EQ(isolate->builtins()->OsrAfterStackCheck()->entry(), 492097b98c9169c85693801d4d59089450695ad82e2dmachenbach@chromium.org Assembler::target_address_at(call_target_address, 492197b98c9169c85693801d4d59089450695ad82e2dmachenbach@chromium.org unoptimized_code)); 49228e36b5ba34174c8ceb04a47d7e10dcc8f43d94a4machenbach@chromium.org return OSR_AFTER_STACK_CHECK; 4923528ce02b8680a3ab6d75c7079f180a4016c69b7amachenbach@chromium.org} 4924528ce02b8680a3ab6d75c7079f180a4016c69b7amachenbach@chromium.org 4925528ce02b8680a3ab6d75c7079f180a4016c69b7amachenbach@chromium.org 4926b302e56e5b70c4504faa2adf4ec3efb64a9d3e38sgjesse@chromium.org} } // namespace v8::internal 49279dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com 49289dfbea4c7d423c7bc1db94425cb78e7f7cf41f78erik.corry@gmail.com#endif // V8_TARGET_ARCH_X64 4929