1f2038fb01417bcf7698b87a5dfaa4a861539618aerik.corry@gmail.com// Copyright 2012 the V8 project authors. All rights reserved. 2a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org// Redistribution and use in source and binary forms, with or without 3a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org// modification, are permitted provided that the following conditions are 4a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org// met: 5a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org// 6a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org// * Redistributions of source code must retain the above copyright 7a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org// notice, this list of conditions and the following disclaimer. 8a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org// * Redistributions in binary form must reproduce the above 9a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org// copyright notice, this list of conditions and the following 10a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org// disclaimer in the documentation and/or other materials provided 11a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org// with the distribution. 12a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org// * Neither the name of Google Inc. nor the names of its 13a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org// contributors may be used to endorse or promote products derived 14a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org// from this software without specific prior written permission. 15a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org// 16a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org 28a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org#ifndef V8_IA32_LITHIUM_CODEGEN_IA32_H_ 29a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org#define V8_IA32_LITHIUM_CODEGEN_IA32_H_ 30a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org 31a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org#include "ia32/lithium-ia32.h" 32a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org 33a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org#include "checks.h" 34a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org#include "deoptimizer.h" 35b228be01a466e0ba4d8389148671d196b2081f76mstarzinger@chromium.org#include "ia32/lithium-gap-resolver-ia32.h" 36a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org#include "safepoint-table.h" 37a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org#include "scopes.h" 38b228be01a466e0ba4d8389148671d196b2081f76mstarzinger@chromium.org#include "v8utils.h" 39a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org 40a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.orgnamespace v8 { 41a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.orgnamespace internal { 42a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org 43a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org// Forward declarations. 44a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.orgclass LDeferredCode; 45c6c5718277d4047fad1e034396228ce15571b5a4sgjesse@chromium.orgclass LGapNode; 46a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.orgclass SafepointGenerator; 47a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org 48a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.orgclass LCodeGen BASE_EMBEDDED { 49a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org public: 505a11aaf63fdb7843c9b116fdb84ee35b0a980ea6yangguo@chromium.org LCodeGen(LChunk* chunk, MacroAssembler* assembler, CompilationInfo* info) 515a11aaf63fdb7843c9b116fdb84ee35b0a980ea6yangguo@chromium.org : zone_(info->zone()), 5228583c92ca8f528df625800519088ac88996d504jkummerow@chromium.org chunk_(static_cast<LPlatformChunk*>(chunk)), 53a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org masm_(assembler), 54a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org info_(info), 55a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org current_block_(-1), 56a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org current_instruction_(-1), 57a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org instructions_(chunk->instructions()), 585a11aaf63fdb7843c9b116fdb84ee35b0a980ea6yangguo@chromium.org deoptimizations_(4, info->zone()), 59a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org jump_table_(4, info->zone()), 605a11aaf63fdb7843c9b116fdb84ee35b0a980ea6yangguo@chromium.org deoptimization_literals_(8, info->zone()), 61a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org inlined_function_count_(0), 628f806e8b8f108ca2c8899c5d31861ef1273dcd4akarlklose@chromium.org scope_(info->scope()), 63a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org status_(UNUSED), 645a11aaf63fdb7843c9b116fdb84ee35b0a980ea6yangguo@chromium.org translations_(info->zone()), 655a11aaf63fdb7843c9b116fdb84ee35b0a980ea6yangguo@chromium.org deferred_(8, info->zone()), 667028c05c1c71b9d5c5fe1bca01f2461d17a2dda7mmassi@chromium.org dynamic_frame_alignment_(false), 6794b0d6fcb08a2f01ba52c6edb712068f482366f1danno@chromium.org support_aligned_spilled_doubles_(false), 680511e24c6ebf94594a7e03bdcd58157ac2971d69erik.corry@gmail.com osr_pc_offset_(-1), 6927bf28851c1fa362a3f7c709871c21dcc9c23ce7ricow@chromium.org last_lazy_deopt_pc_(0), 70a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org frame_is_built_(false), 71e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org x87_stack_depth_(0), 725a11aaf63fdb7843c9b116fdb84ee35b0a980ea6yangguo@chromium.org safepoints_(info->zone()), 7344bc7080a85cc25bff3b9b77cd53f7beffab711bkarlklose@chromium.org resolver_(this), 74594006017e46d82ed7146611dc12c20e3c509c7ddanno@chromium.org expected_safepoint_kind_(Safepoint::kSimple), 75594006017e46d82ed7146611dc12c20e3c509c7ddanno@chromium.org old_position_(RelocInfo::kNoPosition) { 76a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org PopulateDeoptimizationLiteralsWithInlinedFunctions(); 77a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org } 78a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org 790511e24c6ebf94594a7e03bdcd58157ac2971d69erik.corry@gmail.com // Simple accessors. 800511e24c6ebf94594a7e03bdcd58157ac2971d69erik.corry@gmail.com MacroAssembler* masm() const { return masm_; } 818f806e8b8f108ca2c8899c5d31861ef1273dcd4akarlklose@chromium.org CompilationInfo* info() const { return info_; } 82ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org Isolate* isolate() const { return info_->isolate(); } 83ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org Factory* factory() const { return isolate()->factory(); } 84ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org Heap* heap() const { return isolate()->heap(); } 85400388edd471bd4d4a97b21c52c1024cd1cc5708rossberg@chromium.org Zone* zone() const { return zone_; } 860511e24c6ebf94594a7e03bdcd58157ac2971d69erik.corry@gmail.com 8732d7dbafe29be06cec1edd36c31fbe2865c799f4ulan@chromium.org int LookupDestination(int block_id) const { 8832d7dbafe29be06cec1edd36c31fbe2865c799f4ulan@chromium.org return chunk()->LookupDestination(block_id); 8932d7dbafe29be06cec1edd36c31fbe2865c799f4ulan@chromium.org } 9032d7dbafe29be06cec1edd36c31fbe2865c799f4ulan@chromium.org 9132d7dbafe29be06cec1edd36c31fbe2865c799f4ulan@chromium.org bool IsNextEmittedBlock(int block_id) const { 9232d7dbafe29be06cec1edd36c31fbe2865c799f4ulan@chromium.org return LookupDestination(block_id) == GetNextEmittedBlock(); 9332d7dbafe29be06cec1edd36c31fbe2865c799f4ulan@chromium.org } 9432d7dbafe29be06cec1edd36c31fbe2865c799f4ulan@chromium.org 95a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org bool NeedsEagerFrame() const { 96a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org return GetStackSlotCount() > 0 || 97a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org info()->is_non_deferred_calling() || 9877ca49ac05d25684c89442029c22f5b2bce94395ulan@chromium.org !info()->IsStub() || 9977ca49ac05d25684c89442029c22f5b2bce94395ulan@chromium.org info()->requires_frame(); 100a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org } 101a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org bool NeedsDeferredFrame() const { 102a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org return !NeedsEagerFrame() && info()->is_deferred_calling(); 103a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org } 104a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org 1050511e24c6ebf94594a7e03bdcd58157ac2971d69erik.corry@gmail.com // Support for converting LOperands to assembler types. 1060511e24c6ebf94594a7e03bdcd58157ac2971d69erik.corry@gmail.com Operand ToOperand(LOperand* op) const; 1070511e24c6ebf94594a7e03bdcd58157ac2971d69erik.corry@gmail.com Register ToRegister(LOperand* op) const; 1080511e24c6ebf94594a7e03bdcd58157ac2971d69erik.corry@gmail.com XMMRegister ToDoubleRegister(LOperand* op) const; 109169691d93a961c8b511f8ac8fd8ee33d081ca10fdanno@chromium.org X87Register ToX87Register(LOperand* op) const; 110bf0c820d028452571c8c744ddd212c32c6d6a996danno@chromium.org 111bf0c820d028452571c8c744ddd212c32c6d6a996danno@chromium.org bool IsInteger32(LConstantOperand* op) const; 112a53e8e03bcb23716d1025de362626f90f00da892svenpanne@chromium.org bool IsSmi(LConstantOperand* op) const; 113fb732b17922ea75830be4db6b80534c4827d8a55jkummerow@chromium.org Immediate ToImmediate(LOperand* op, const Representation& r) const { 114fb732b17922ea75830be4db6b80534c4827d8a55jkummerow@chromium.org return Immediate(ToRepresentation(LConstantOperand::cast(op), r)); 115c118402c43ae44cf9255d36608a44886c98537c5jkummerow@chromium.org } 116e0e1b0d3e70c933d36ed381d511e9fda39f2a751mstarzinger@chromium.org double ToDouble(LConstantOperand* op) const; 117bf0c820d028452571c8c744ddd212c32c6d6a996danno@chromium.org 118e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org // Support for non-sse2 (x87) floating point stack handling. 119169691d93a961c8b511f8ac8fd8ee33d081ca10fdanno@chromium.org // These functions maintain the mapping of physical stack registers to our 120169691d93a961c8b511f8ac8fd8ee33d081ca10fdanno@chromium.org // virtual registers between instructions. 121169691d93a961c8b511f8ac8fd8ee33d081ca10fdanno@chromium.org enum X87OperandType { kX87DoubleOperand, kX87FloatOperand, kX87IntOperand }; 122169691d93a961c8b511f8ac8fd8ee33d081ca10fdanno@chromium.org 123169691d93a961c8b511f8ac8fd8ee33d081ca10fdanno@chromium.org void X87Mov(X87Register reg, Operand src, 124169691d93a961c8b511f8ac8fd8ee33d081ca10fdanno@chromium.org X87OperandType operand = kX87DoubleOperand); 125169691d93a961c8b511f8ac8fd8ee33d081ca10fdanno@chromium.org void X87Mov(Operand src, X87Register reg); 126169691d93a961c8b511f8ac8fd8ee33d081ca10fdanno@chromium.org 127169691d93a961c8b511f8ac8fd8ee33d081ca10fdanno@chromium.org void X87PrepareBinaryOp( 128169691d93a961c8b511f8ac8fd8ee33d081ca10fdanno@chromium.org X87Register left, X87Register right, X87Register result); 129169691d93a961c8b511f8ac8fd8ee33d081ca10fdanno@chromium.org 130169691d93a961c8b511f8ac8fd8ee33d081ca10fdanno@chromium.org void X87LoadForUsage(X87Register reg); 131169691d93a961c8b511f8ac8fd8ee33d081ca10fdanno@chromium.org void X87PrepareToWrite(X87Register reg); 132169691d93a961c8b511f8ac8fd8ee33d081ca10fdanno@chromium.org void X87CommitWrite(X87Register reg); 1330511e24c6ebf94594a7e03bdcd58157ac2971d69erik.corry@gmail.com 134e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org Handle<Object> ToHandle(LConstantOperand* op) const; 135a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org 1360511e24c6ebf94594a7e03bdcd58157ac2971d69erik.corry@gmail.com // The operand denoting the second word (the one with a higher address) of 1370511e24c6ebf94594a7e03bdcd58157ac2971d69erik.corry@gmail.com // a double stack slot. 1380511e24c6ebf94594a7e03bdcd58157ac2971d69erik.corry@gmail.com Operand HighOperand(LOperand* op); 1390511e24c6ebf94594a7e03bdcd58157ac2971d69erik.corry@gmail.com 140a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org // Try to generate code for the entire chunk, but it may fail if the 141a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org // chunk contains constructs we cannot handle. Returns true if the 142a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org // code generation attempt succeeded. 143a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org bool GenerateCode(); 144a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org 145a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org // Finish the code by setting stack height, safepoint, and bailout 146a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org // information on it. 147a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org void FinishCode(Handle<Code> code); 148a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org 149a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org // Deferred code support. 150a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org void DoDeferredNumberTagD(LNumberTagD* instr); 15146839fbbdee40a3d2d924e8b5b13c4139b0b24f2yangguo@chromium.org 15246839fbbdee40a3d2d924e8b5b13c4139b0b24f2yangguo@chromium.org enum IntegerSignedness { SIGNED_INT32, UNSIGNED_INT32 }; 15346839fbbdee40a3d2d924e8b5b13c4139b0b24f2yangguo@chromium.org void DoDeferredNumberTagI(LInstruction* instr, 15446839fbbdee40a3d2d924e8b5b13c4139b0b24f2yangguo@chromium.org LOperand* value, 15546839fbbdee40a3d2d924e8b5b13c4139b0b24f2yangguo@chromium.org IntegerSignedness signedness); 15646839fbbdee40a3d2d924e8b5b13c4139b0b24f2yangguo@chromium.org 157a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org void DoDeferredTaggedToI(LTaggedToI* instr); 158e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org void DoDeferredTaggedToINoSSE2(LTaggedToINoSSE2* instr); 159e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org void DoDeferredMathAbsTaggedHeapNumber(LMathAbs* instr); 16004921a8093ce8bbec34084bd742b7aa3d299be15ager@chromium.org void DoDeferredStackCheck(LStackCheck* instr); 161bbceb57d27ec53f6d6212e690ead3174192ea3f9erik.corry@gmail.com void DoDeferredRandom(LRandom* instr); 1620a4e901cdfb5505a896d30aa8c2e04fce0fbe069vegorov@chromium.org void DoDeferredStringCharCodeAt(LStringCharCodeAt* instr); 163b08986cb66c3f6687247cb6da186c1e73057e399whesse@chromium.org void DoDeferredStringCharFromCode(LStringCharFromCode* instr); 16494b0d6fcb08a2f01ba52c6edb712068f482366f1danno@chromium.org void DoDeferredAllocate(LAllocate* instr); 16527bf28851c1fa362a3f7c709871c21dcc9c23ce7ricow@chromium.org void DoDeferredInstanceOfKnownGlobal(LInstanceOfKnownGlobal* instr, 16627bf28851c1fa362a3f7c709871c21dcc9c23ce7ricow@chromium.org Label* map_check); 167594006017e46d82ed7146611dc12c20e3c509c7ddanno@chromium.org void DoDeferredInstanceMigration(LCheckMaps* instr, Register object); 168f2038fb01417bcf7698b87a5dfaa4a861539618aerik.corry@gmail.com 169a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org // Parallel move support. 170a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org void DoParallelMove(LParallelMove* move); 1718e8294a88dc7d58f579aee0ba08c19fc8a616e2dsgjesse@chromium.org void DoGap(LGap* instr); 172a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org 173c6c5718277d4047fad1e034396228ce15571b5a4sgjesse@chromium.org // Emit frame translation commands for an environment. 174b752d4061aaeb7d6a6ec368607871789d54b0207dslomov@chromium.org void WriteTranslation(LEnvironment* environment, Translation* translation); 175c6c5718277d4047fad1e034396228ce15571b5a4sgjesse@chromium.org 1763a5fd78f0ca6c2827bb05f69a373d152a9ce6ff3fschneider@chromium.org void EnsureRelocSpaceForDeoptimization(); 1773a5fd78f0ca6c2827bb05f69a373d152a9ce6ff3fschneider@chromium.org 178a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org // Declare methods that deal with the individual node types. 179a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org#define DECLARE_DO(type) void Do##type(L##type* node); 180a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org LITHIUM_CONCRETE_INSTRUCTION_LIST(DECLARE_DO) 181a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org#undef DECLARE_DO 182a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org 183a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org private: 184a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org enum Status { 185a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org UNUSED, 186a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org GENERATING, 187a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org DONE, 188a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org ABORTED 189a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org }; 190a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org 191a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org bool is_unused() const { return status_ == UNUSED; } 192a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org bool is_generating() const { return status_ == GENERATING; } 193a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org bool is_done() const { return status_ == DONE; } 194a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org bool is_aborted() const { return status_ == ABORTED; } 195a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org 196394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com StrictModeFlag strict_mode_flag() const { 1971b3afd1cab9087ca3c4e585d3da77d374d65c082mstarzinger@chromium.org return info()->is_classic_mode() ? kNonStrictMode : kStrictMode; 19849edbdf52640c88918f8e6638ab4965819eb1dfekmillikin@chromium.org } 19949edbdf52640c88918f8e6638ab4965819eb1dfekmillikin@chromium.org 20028583c92ca8f528df625800519088ac88996d504jkummerow@chromium.org LPlatformChunk* chunk() const { return chunk_; } 201a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org Scope* scope() const { return scope_; } 20232d7dbafe29be06cec1edd36c31fbe2865c799f4ulan@chromium.org HGraph* graph() const { return chunk()->graph(); } 203a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org 20432d7dbafe29be06cec1edd36c31fbe2865c799f4ulan@chromium.org int GetNextEmittedBlock() const; 205a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org 206a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org void EmitClassOfTest(Label* if_true, 207a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org Label* if_false, 208a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org Handle<String> class_name, 209a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org Register input, 210a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org Register temporary, 211a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org Register temporary2); 212a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org 213160a7b0747492f3f735353d9582521f3314bf4dfdanno@chromium.org int GetStackSlotCount() const { return chunk()->spill_slot_count(); } 214a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org 215594006017e46d82ed7146611dc12c20e3c509c7ddanno@chromium.org void Abort(BailoutReason reason); 216b228be01a466e0ba4d8389148671d196b2081f76mstarzinger@chromium.org void FPRINTF_CHECKING Comment(const char* format, ...); 217a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org 2187028c05c1c71b9d5c5fe1bca01f2461d17a2dda7mmassi@chromium.org void AddDeferredCode(LDeferredCode* code) { deferred_.Add(code, zone()); } 219a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org 220a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org // Code generation passes. Returns true if code generation should 221a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org // continue. 222a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org bool GeneratePrologue(); 223a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org bool GenerateBody(); 224a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org bool GenerateDeferredCode(); 225a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org bool GenerateJumpTable(); 226a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org bool GenerateSafepointTable(); 227a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org 22844bc7080a85cc25bff3b9b77cd53f7beffab711bkarlklose@chromium.org enum SafepointMode { 22944bc7080a85cc25bff3b9b77cd53f7beffab711bkarlklose@chromium.org RECORD_SIMPLE_SAFEPOINT, 23044bc7080a85cc25bff3b9b77cd53f7beffab711bkarlklose@chromium.org RECORD_SAFEPOINT_WITH_REGISTERS_AND_NO_ARGUMENTS 23144bc7080a85cc25bff3b9b77cd53f7beffab711bkarlklose@chromium.org }; 23244bc7080a85cc25bff3b9b77cd53f7beffab711bkarlklose@chromium.org 23344bc7080a85cc25bff3b9b77cd53f7beffab711bkarlklose@chromium.org void CallCode(Handle<Code> code, 23444bc7080a85cc25bff3b9b77cd53f7beffab711bkarlklose@chromium.org RelocInfo::Mode mode, 235ddda9e81d3175130f2029c0e1205d265a00c32edjkummerow@chromium.org LInstruction* instr); 23644bc7080a85cc25bff3b9b77cd53f7beffab711bkarlklose@chromium.org 23744bc7080a85cc25bff3b9b77cd53f7beffab711bkarlklose@chromium.org void CallCodeGeneric(Handle<Code> code, 23844bc7080a85cc25bff3b9b77cd53f7beffab711bkarlklose@chromium.org RelocInfo::Mode mode, 23944bc7080a85cc25bff3b9b77cd53f7beffab711bkarlklose@chromium.org LInstruction* instr, 24044bc7080a85cc25bff3b9b77cd53f7beffab711bkarlklose@chromium.org SafepointMode safepoint_mode); 24144bc7080a85cc25bff3b9b77cd53f7beffab711bkarlklose@chromium.org 24244bc7080a85cc25bff3b9b77cd53f7beffab711bkarlklose@chromium.org void CallRuntime(const Runtime::Function* fun, 24344bc7080a85cc25bff3b9b77cd53f7beffab711bkarlklose@chromium.org int argc, 244ddda9e81d3175130f2029c0e1205d265a00c32edjkummerow@chromium.org LInstruction* instr); 24544bc7080a85cc25bff3b9b77cd53f7beffab711bkarlklose@chromium.org 24644bc7080a85cc25bff3b9b77cd53f7beffab711bkarlklose@chromium.org void CallRuntime(Runtime::FunctionId id, 24744bc7080a85cc25bff3b9b77cd53f7beffab711bkarlklose@chromium.org int argc, 248ddda9e81d3175130f2029c0e1205d265a00c32edjkummerow@chromium.org LInstruction* instr) { 249ea88ce93dcb41a9200ec8747ae7642a5db1f4ce7sgjesse@chromium.org const Runtime::Function* function = Runtime::FunctionForId(id); 250ddda9e81d3175130f2029c0e1205d265a00c32edjkummerow@chromium.org CallRuntime(function, argc, instr); 251a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org } 252a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org 25344bc7080a85cc25bff3b9b77cd53f7beffab711bkarlklose@chromium.org void CallRuntimeFromDeferred(Runtime::FunctionId id, 25444bc7080a85cc25bff3b9b77cd53f7beffab711bkarlklose@chromium.org int argc, 255ddda9e81d3175130f2029c0e1205d265a00c32edjkummerow@chromium.org LInstruction* instr, 256ddda9e81d3175130f2029c0e1205d265a00c32edjkummerow@chromium.org LOperand* context); 25744bc7080a85cc25bff3b9b77cd53f7beffab711bkarlklose@chromium.org 25894b0d6fcb08a2f01ba52c6edb712068f482366f1danno@chromium.org void LoadContextFromDeferred(LOperand* context); 25994b0d6fcb08a2f01ba52c6edb712068f482366f1danno@chromium.org 260fb0463312815affb1f0e9d5e351b7f9a3422e3a2svenpanne@chromium.org enum EDIState { 261fb0463312815affb1f0e9d5e351b7f9a3422e3a2svenpanne@chromium.org EDI_UNINITIALIZED, 262fb0463312815affb1f0e9d5e351b7f9a3422e3a2svenpanne@chromium.org EDI_CONTAINS_TARGET 263fb0463312815affb1f0e9d5e351b7f9a3422e3a2svenpanne@chromium.org }; 264fb0463312815affb1f0e9d5e351b7f9a3422e3a2svenpanne@chromium.org 265a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org // Generate a direct call to a known function. Expects the function 266a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org // to be in edi. 267a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org void CallKnownFunction(Handle<JSFunction> function, 26832d7dbafe29be06cec1edd36c31fbe2865c799f4ulan@chromium.org int formal_parameter_count, 269a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org int arity, 27040cb878ef373bea9bdf7998829891e4096751dd0danno@chromium.org LInstruction* instr, 271fb0463312815affb1f0e9d5e351b7f9a3422e3a2svenpanne@chromium.org CallKind call_kind, 272fb0463312815affb1f0e9d5e351b7f9a3422e3a2svenpanne@chromium.org EDIState edi_state); 273a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org 27427bf28851c1fa362a3f7c709871c21dcc9c23ce7ricow@chromium.org void RecordSafepointWithLazyDeopt(LInstruction* instr, 27527bf28851c1fa362a3f7c709871c21dcc9c23ce7ricow@chromium.org SafepointMode safepoint_mode); 27644bc7080a85cc25bff3b9b77cd53f7beffab711bkarlklose@chromium.org 27727bf28851c1fa362a3f7c709871c21dcc9c23ce7ricow@chromium.org void RegisterEnvironmentForDeoptimization(LEnvironment* environment, 27827bf28851c1fa362a3f7c709871c21dcc9c23ce7ricow@chromium.org Safepoint::DeoptMode mode); 279aefd6076246d134fe4e1bf0641f0a4d4e35a09c2danno@chromium.org void DeoptimizeIf(Condition cc, 280aefd6076246d134fe4e1bf0641f0a4d4e35a09c2danno@chromium.org LEnvironment* environment, 281aefd6076246d134fe4e1bf0641f0a4d4e35a09c2danno@chromium.org Deoptimizer::BailoutType bailout_type); 282a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org void DeoptimizeIf(Condition cc, LEnvironment* environment); 283fb732b17922ea75830be4db6b80534c4827d8a55jkummerow@chromium.org void ApplyCheckIf(Condition cc, LBoundsCheck* check); 284a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org 285594006017e46d82ed7146611dc12c20e3c509c7ddanno@chromium.org void AddToTranslation(LEnvironment* environment, 286594006017e46d82ed7146611dc12c20e3c509c7ddanno@chromium.org Translation* translation, 287a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org LOperand* op, 28846839fbbdee40a3d2d924e8b5b13c4139b0b24f2yangguo@chromium.org bool is_tagged, 289594006017e46d82ed7146611dc12c20e3c509c7ddanno@chromium.org bool is_uint32, 290594006017e46d82ed7146611dc12c20e3c509c7ddanno@chromium.org int* object_index_pointer, 291594006017e46d82ed7146611dc12c20e3c509c7ddanno@chromium.org int* dematerialized_index_pointer); 2926ba1fd0b7bebfbcabc4ad3cdaf9b84aad9651962ulan@chromium.org void RegisterDependentCodeForEmbeddedMaps(Handle<Code> code); 293a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org void PopulateDeoptimizationData(Handle<Code> code); 294a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org int DefineDeoptimizationLiteral(Handle<Object> literal); 295a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org 296a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org void PopulateDeoptimizationLiteralsWithInlinedFunctions(); 297a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org 298a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org Register ToRegister(int index) const; 299a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org XMMRegister ToDoubleRegister(int index) const; 300169691d93a961c8b511f8ac8fd8ee33d081ca10fdanno@chromium.org X87Register ToX87Register(int index) const; 301594006017e46d82ed7146611dc12c20e3c509c7ddanno@chromium.org int32_t ToRepresentation(LConstantOperand* op, const Representation& r) const; 302fb732b17922ea75830be4db6b80534c4827d8a55jkummerow@chromium.org int32_t ToInteger32(LConstantOperand* op) const; 303d3c42109e5b85232d19beab8deeb24bdcbbf07f9danno@chromium.org ExternalReference ToExternalReference(LConstantOperand* op) const; 304bf0c820d028452571c8c744ddd212c32c6d6a996danno@chromium.org 305b645116853c677aca8a316381b87441ba6004f67danno@chromium.org Operand BuildFastArrayOperand(LOperand* elements_pointer, 306717967fd64e99e759ff094df6f069440cc866266rossberg@chromium.org LOperand* key, 307304cc33f8259ef467e8e3c79f448d0bae0e8cd85yangguo@chromium.org Representation key_representation, 30883e168294456ca2f02db421a635f7d5f5d023966kmillikin@chromium.org ElementsKind elements_kind, 3090e3f88bd850f46930aa95684377fab02a394ae41ulan@chromium.org uint32_t offset, 3100e3f88bd850f46930aa95684377fab02a394ae41ulan@chromium.org uint32_t additional_index = 0); 311a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org 312e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org void EmitIntegerMathAbs(LMathAbs* instr); 313a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org 314a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org // Support for recording safepoint and position information. 315378b34e3f8852e94739bb77a528278fe0e2bb532ager@chromium.org void RecordSafepoint(LPointerMap* pointers, 316378b34e3f8852e94739bb77a528278fe0e2bb532ager@chromium.org Safepoint::Kind kind, 317378b34e3f8852e94739bb77a528278fe0e2bb532ager@chromium.org int arguments, 31827bf28851c1fa362a3f7c709871c21dcc9c23ce7ricow@chromium.org Safepoint::DeoptMode mode); 31927bf28851c1fa362a3f7c709871c21dcc9c23ce7ricow@chromium.org void RecordSafepoint(LPointerMap* pointers, Safepoint::DeoptMode mode); 32027bf28851c1fa362a3f7c709871c21dcc9c23ce7ricow@chromium.org void RecordSafepoint(Safepoint::DeoptMode mode); 321a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org void RecordSafepointWithRegisters(LPointerMap* pointers, 322a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org int arguments, 32327bf28851c1fa362a3f7c709871c21dcc9c23ce7ricow@chromium.org Safepoint::DeoptMode mode); 324a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org void RecordPosition(int position); 325a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org 326594006017e46d82ed7146611dc12c20e3c509c7ddanno@chromium.org void RecordAndUpdatePosition(int position); 327594006017e46d82ed7146611dc12c20e3c509c7ddanno@chromium.org 328a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org static Condition TokenToCondition(Token::Value op, bool is_unsigned); 32904921a8093ce8bbec34084bd742b7aa3d299be15ager@chromium.org void EmitGoto(int block); 3301510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org template<class InstrType> 3311510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org void EmitBranch(InstrType instr, Condition cc); 332c00ec2b94bc5505fa81f81daefd956f5a8776a09danno@chromium.org template<class InstrType> 333c00ec2b94bc5505fa81f81daefd956f5a8776a09danno@chromium.org void EmitFalseBranch(InstrType instr, Condition cc); 33494b0d6fcb08a2f01ba52c6edb712068f482366f1danno@chromium.org void EmitNumberUntagD( 33594b0d6fcb08a2f01ba52c6edb712068f482366f1danno@chromium.org Register input, 33694b0d6fcb08a2f01ba52c6edb712068f482366f1danno@chromium.org Register temp, 33794b0d6fcb08a2f01ba52c6edb712068f482366f1danno@chromium.org XMMRegister result, 338b99c75496e05b4cd58815ada1e39e6029130d11crossberg@chromium.org bool allow_undefined_as_nan, 33994b0d6fcb08a2f01ba52c6edb712068f482366f1danno@chromium.org bool deoptimize_on_minus_zero, 34094b0d6fcb08a2f01ba52c6edb712068f482366f1danno@chromium.org LEnvironment* env, 34194b0d6fcb08a2f01ba52c6edb712068f482366f1danno@chromium.org NumberUntagDMode mode = NUMBER_CANDIDATE_IS_ANY_TAGGED); 342a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org 343e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org void EmitNumberUntagDNoSSE2( 344e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org Register input, 345e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org Register temp, 346169691d93a961c8b511f8ac8fd8ee33d081ca10fdanno@chromium.org X87Register res_reg, 347b99c75496e05b4cd58815ada1e39e6029130d11crossberg@chromium.org bool allow_undefined_as_nan, 348e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org bool deoptimize_on_minus_zero, 349e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org LEnvironment* env, 350e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org NumberUntagDMode mode = NUMBER_CANDIDATE_IS_ANY_TAGGED); 351e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org 352a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org // Emits optimized code for typeof x == "y". Modifies input register. 353a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org // Returns the condition on which a final split to 354a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org // true and false label should be made, to optimize fallthrough. 355394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com Condition EmitTypeofIs(Label* true_label, 356394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com Label* false_label, 357394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com Register input, 358394dbcf9009cf5203b6d85e8b515fcff072040f3erik.corry@gmail.com Handle<String> type_name); 359a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org 3605f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.org // Emits optimized code for %_IsObject(x). Preserves input register. 3615f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.org // Returns the condition on which a final split to 3625f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.org // true and false label should be made, to optimize fallthrough. 3635f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.org Condition EmitIsObject(Register input, 3645f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.org Register temp1, 3655f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.org Label* is_not_object, 3665f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.org Label* is_object); 3675f0c45f2cacb31d36a8f80c31f17bda7751a3644ager@chromium.org 3680ad885c06ff6a0d68bc9ad75629f7ddfaa6860b9erikcorry // Emits optimized code for %_IsString(x). Preserves input register. 3690ad885c06ff6a0d68bc9ad75629f7ddfaa6860b9erikcorry // Returns the condition on which a final split to 3700ad885c06ff6a0d68bc9ad75629f7ddfaa6860b9erikcorry // true and false label should be made, to optimize fallthrough. 3710ad885c06ff6a0d68bc9ad75629f7ddfaa6860b9erikcorry Condition EmitIsString(Register input, 3720ad885c06ff6a0d68bc9ad75629f7ddfaa6860b9erikcorry Register temp1, 3731510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org Label* is_not_string, 3741510d58cbcf57c82a10e7d390bfe21a7ae68ba43mstarzinger@chromium.org SmiCheck check_needed); 3750ad885c06ff6a0d68bc9ad75629f7ddfaa6860b9erikcorry 376d91075f76b836c2cfa4f4e4cc0fb31170df864ccerik.corry@gmail.com // Emits optimized code for %_IsConstructCall(). 377d91075f76b836c2cfa4f4e4cc0fb31170df864ccerik.corry@gmail.com // Caller should branch on equal condition. 378d91075f76b836c2cfa4f4e4cc0fb31170df864ccerik.corry@gmail.com void EmitIsConstructCall(Register temp); 379d91075f76b836c2cfa4f4e4cc0fb31170df864ccerik.corry@gmail.com 3801b3afd1cab9087ca3c4e585d3da77d374d65c082mstarzinger@chromium.org // Emits optimized code to deep-copy the contents of statically known 3811b3afd1cab9087ca3c4e585d3da77d374d65c082mstarzinger@chromium.org // object graphs (e.g. object literal boilerplate). 3821b3afd1cab9087ca3c4e585d3da77d374d65c082mstarzinger@chromium.org void EmitDeepCopy(Handle<JSObject> object, 3831b3afd1cab9087ca3c4e585d3da77d374d65c082mstarzinger@chromium.org Register result, 3841b3afd1cab9087ca3c4e585d3da77d374d65c082mstarzinger@chromium.org Register source, 38546a2a51ad190697e0f62c3060ce02a9de5820a07yangguo@chromium.org int* offset, 38646a2a51ad190697e0f62c3060ce02a9de5820a07yangguo@chromium.org AllocationSiteMode mode); 3871b3afd1cab9087ca3c4e585d3da77d374d65c082mstarzinger@chromium.org 38827bf28851c1fa362a3f7c709871c21dcc9c23ce7ricow@chromium.org void EnsureSpaceForLazyDeopt(); 389e4ee6de0de64744d55b63da83156827c989c7099verwaest@chromium.org void DoLoadKeyedExternalArray(LLoadKeyed* instr); 390e4ee6de0de64744d55b63da83156827c989c7099verwaest@chromium.org void DoLoadKeyedFixedDoubleArray(LLoadKeyed* instr); 391e4ee6de0de64744d55b63da83156827c989c7099verwaest@chromium.org void DoLoadKeyedFixedArray(LLoadKeyed* instr); 392e4ee6de0de64744d55b63da83156827c989c7099verwaest@chromium.org void DoStoreKeyedExternalArray(LStoreKeyed* instr); 393e4ee6de0de64744d55b63da83156827c989c7099verwaest@chromium.org void DoStoreKeyedFixedDoubleArray(LStoreKeyed* instr); 394e4ee6de0de64744d55b63da83156827c989c7099verwaest@chromium.org void DoStoreKeyedFixedArray(LStoreKeyed* instr); 395d91075f76b836c2cfa4f4e4cc0fb31170df864ccerik.corry@gmail.com 3966e196bfaf0e555d0c835390bb6ebc0a74484491dulan@chromium.org void EmitReturn(LReturn* instr, bool dynamic_frame_alignment); 3976e196bfaf0e555d0c835390bb6ebc0a74484491dulan@chromium.org 39864e3a4be4a99f31920128de34573c8ac9038de42ricow@chromium.org // Emits code for pushing either a tagged constant, a (non-double) 39964e3a4be4a99f31920128de34573c8ac9038de42ricow@chromium.org // register, or a stack slot operand. 40064e3a4be4a99f31920128de34573c8ac9038de42ricow@chromium.org void EmitPushTaggedOperand(LOperand* operand); 40164e3a4be4a99f31920128de34573c8ac9038de42ricow@chromium.org 402169691d93a961c8b511f8ac8fd8ee33d081ca10fdanno@chromium.org void X87Fxch(X87Register reg, int other_slot = 0); 403169691d93a961c8b511f8ac8fd8ee33d081ca10fdanno@chromium.org void X87Fld(Operand src, X87OperandType opts); 404169691d93a961c8b511f8ac8fd8ee33d081ca10fdanno@chromium.org void X87Free(X87Register reg); 405169691d93a961c8b511f8ac8fd8ee33d081ca10fdanno@chromium.org 406169691d93a961c8b511f8ac8fd8ee33d081ca10fdanno@chromium.org void FlushX87StackIfNecessary(LInstruction* instr); 407169691d93a961c8b511f8ac8fd8ee33d081ca10fdanno@chromium.org void EmitFlushX87ForDeopt(); 408169691d93a961c8b511f8ac8fd8ee33d081ca10fdanno@chromium.org bool X87StackContains(X87Register reg); 409169691d93a961c8b511f8ac8fd8ee33d081ca10fdanno@chromium.org int X87ArrayIndex(X87Register reg); 410169691d93a961c8b511f8ac8fd8ee33d081ca10fdanno@chromium.org int x87_st2idx(int pos); 411169691d93a961c8b511f8ac8fd8ee33d081ca10fdanno@chromium.org 412d3c42109e5b85232d19beab8deeb24bdcbbf07f9danno@chromium.org#ifdef _MSC_VER 413d3c42109e5b85232d19beab8deeb24bdcbbf07f9danno@chromium.org // On windows, you may not access the stack more than one page below 414d3c42109e5b85232d19beab8deeb24bdcbbf07f9danno@chromium.org // the most recently mapped page. To make the allocated area randomly 415d3c42109e5b85232d19beab8deeb24bdcbbf07f9danno@chromium.org // accessible, we write an arbitrary value to each page in range 416d3c42109e5b85232d19beab8deeb24bdcbbf07f9danno@chromium.org // esp + offset - page_size .. esp in turn. 417d3c42109e5b85232d19beab8deeb24bdcbbf07f9danno@chromium.org void MakeSureStackPagesMapped(int offset); 418d3c42109e5b85232d19beab8deeb24bdcbbf07f9danno@chromium.org#endif 419d3c42109e5b85232d19beab8deeb24bdcbbf07f9danno@chromium.org 4205a11aaf63fdb7843c9b116fdb84ee35b0a980ea6yangguo@chromium.org Zone* zone_; 42128583c92ca8f528df625800519088ac88996d504jkummerow@chromium.org LPlatformChunk* const chunk_; 422a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org MacroAssembler* const masm_; 423a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org CompilationInfo* const info_; 424a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org 425a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org int current_block_; 426a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org int current_instruction_; 427a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org const ZoneList<LInstruction*>* instructions_; 428a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org ZoneList<LEnvironment*> deoptimizations_; 429aefd6076246d134fe4e1bf0641f0a4d4e35a09c2danno@chromium.org ZoneList<Deoptimizer::JumpTableEntry> jump_table_; 430a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org ZoneList<Handle<Object> > deoptimization_literals_; 431a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org int inlined_function_count_; 432a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org Scope* const scope_; 433a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org Status status_; 434a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org TranslationBuffer translations_; 435a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org ZoneList<LDeferredCode*> deferred_; 4367028c05c1c71b9d5c5fe1bca01f2461d17a2dda7mmassi@chromium.org bool dynamic_frame_alignment_; 43794b0d6fcb08a2f01ba52c6edb712068f482366f1danno@chromium.org bool support_aligned_spilled_doubles_; 438a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org int osr_pc_offset_; 43927bf28851c1fa362a3f7c709871c21dcc9c23ce7ricow@chromium.org int last_lazy_deopt_pc_; 440a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org bool frame_is_built_; 441169691d93a961c8b511f8ac8fd8ee33d081ca10fdanno@chromium.org X87Register x87_stack_[X87Register::kNumAllocatableRegisters]; 442e27d617298263725e8a48c2aa14029759b952623mstarzinger@chromium.org int x87_stack_depth_; 4433a5fd78f0ca6c2827bb05f69a373d152a9ce6ff3fschneider@chromium.org 444a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org // Builder that keeps track of safepoints in the code. The table 445a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org // itself is emitted at the end of the generated code. 446a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org SafepointTableBuilder safepoints_; 447a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org 448c6c5718277d4047fad1e034396228ce15571b5a4sgjesse@chromium.org // Compiler from a set of parallel moves to a sequential list of moves. 449c6c5718277d4047fad1e034396228ce15571b5a4sgjesse@chromium.org LGapResolver resolver_; 450c6c5718277d4047fad1e034396228ce15571b5a4sgjesse@chromium.org 45144bc7080a85cc25bff3b9b77cd53f7beffab711bkarlklose@chromium.org Safepoint::Kind expected_safepoint_kind_; 45244bc7080a85cc25bff3b9b77cd53f7beffab711bkarlklose@chromium.org 453594006017e46d82ed7146611dc12c20e3c509c7ddanno@chromium.org int old_position_; 454594006017e46d82ed7146611dc12c20e3c509c7ddanno@chromium.org 45544bc7080a85cc25bff3b9b77cd53f7beffab711bkarlklose@chromium.org class PushSafepointRegistersScope BASE_EMBEDDED { 45644bc7080a85cc25bff3b9b77cd53f7beffab711bkarlklose@chromium.org public: 45744bc7080a85cc25bff3b9b77cd53f7beffab711bkarlklose@chromium.org explicit PushSafepointRegistersScope(LCodeGen* codegen) 45844bc7080a85cc25bff3b9b77cd53f7beffab711bkarlklose@chromium.org : codegen_(codegen) { 45944bc7080a85cc25bff3b9b77cd53f7beffab711bkarlklose@chromium.org ASSERT(codegen_->expected_safepoint_kind_ == Safepoint::kSimple); 46044bc7080a85cc25bff3b9b77cd53f7beffab711bkarlklose@chromium.org codegen_->masm_->PushSafepointRegisters(); 46144bc7080a85cc25bff3b9b77cd53f7beffab711bkarlklose@chromium.org codegen_->expected_safepoint_kind_ = Safepoint::kWithRegisters; 462a6bbcc801f63c451f814d6da77a1a48fba3d36c6yangguo@chromium.org ASSERT(codegen_->info()->is_calling()); 46344bc7080a85cc25bff3b9b77cd53f7beffab711bkarlklose@chromium.org } 46444bc7080a85cc25bff3b9b77cd53f7beffab711bkarlklose@chromium.org 46544bc7080a85cc25bff3b9b77cd53f7beffab711bkarlklose@chromium.org ~PushSafepointRegistersScope() { 46644bc7080a85cc25bff3b9b77cd53f7beffab711bkarlklose@chromium.org ASSERT(codegen_->expected_safepoint_kind_ == Safepoint::kWithRegisters); 46744bc7080a85cc25bff3b9b77cd53f7beffab711bkarlklose@chromium.org codegen_->masm_->PopSafepointRegisters(); 46844bc7080a85cc25bff3b9b77cd53f7beffab711bkarlklose@chromium.org codegen_->expected_safepoint_kind_ = Safepoint::kSimple; 46944bc7080a85cc25bff3b9b77cd53f7beffab711bkarlklose@chromium.org } 47044bc7080a85cc25bff3b9b77cd53f7beffab711bkarlklose@chromium.org 47144bc7080a85cc25bff3b9b77cd53f7beffab711bkarlklose@chromium.org private: 47244bc7080a85cc25bff3b9b77cd53f7beffab711bkarlklose@chromium.org LCodeGen* codegen_; 47344bc7080a85cc25bff3b9b77cd53f7beffab711bkarlklose@chromium.org }; 47444bc7080a85cc25bff3b9b77cd53f7beffab711bkarlklose@chromium.org 475a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org friend class LDeferredCode; 476a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org friend class LEnvironment; 477a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org friend class SafepointGenerator; 478a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org DISALLOW_COPY_AND_ASSIGN(LCodeGen); 479a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org}; 480a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org 481a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org 482a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.orgclass LDeferredCode: public ZoneObject { 483a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org public: 484a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org explicit LDeferredCode(LCodeGen* codegen) 485c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com : codegen_(codegen), 486c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com external_exit_(NULL), 487c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com instruction_index_(codegen->current_instruction_) { 488a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org codegen->AddDeferredCode(this); 489a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org } 490a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org 491a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org virtual ~LDeferredCode() { } 492a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org virtual void Generate() = 0; 493c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com virtual LInstruction* instr() = 0; 494a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org 495f2038fb01417bcf7698b87a5dfaa4a861539618aerik.corry@gmail.com void SetExit(Label* exit) { external_exit_ = exit; } 496a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org Label* entry() { return &entry_; } 497a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org Label* exit() { return external_exit_ != NULL ? external_exit_ : &exit_; } 498c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com int instruction_index() const { return instruction_index_; } 499a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org 500a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org protected: 501a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org LCodeGen* codegen() const { return codegen_; } 502a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org MacroAssembler* masm() const { return codegen_->masm(); } 503a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org 504a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org private: 505a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org LCodeGen* codegen_; 506a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org Label entry_; 507a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org Label exit_; 508a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org Label* external_exit_; 509c3b670ff19220959730d7886892bc4beb95d2ebaerik.corry@gmail.com int instruction_index_; 510a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org}; 511a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org 512a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org} } // namespace v8::internal 513a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org 514a55512615f5adc085d23bc8589d155c4b579fb7bkasperl@chromium.org#endif // V8_IA32_LITHIUM_CODEGEN_IA32_H_ 515