full-codegen-arm.cc revision 756813857a4c2a4d8ad2e805969d5768d3cf43a0
13ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block// Copyright 2009 the V8 project authors. All rights reserved. 23ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block// Redistribution and use in source and binary forms, with or without 33ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block// modification, are permitted provided that the following conditions are 43ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block// met: 53ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block// 63ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block// * Redistributions of source code must retain the above copyright 73ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block// notice, this list of conditions and the following disclaimer. 83ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block// * Redistributions in binary form must reproduce the above 93ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block// copyright notice, this list of conditions and the following 103ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block// disclaimer in the documentation and/or other materials provided 113ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block// with the distribution. 123ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block// * Neither the name of Google Inc. nor the names of its 133ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block// contributors may be used to endorse or promote products derived 143ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block// from this software without specific prior written permission. 153ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block// 163ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 173ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 183ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 193ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 203ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 213ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 223ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 233ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 243ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 253ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 263ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 273ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block 283ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block#include "v8.h" 293ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block 30f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke#if defined(V8_TARGET_ARCH_ARM) 31f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 323ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block#include "codegen-inl.h" 33d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block#include "compiler.h" 34d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block#include "debug.h" 35d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarke#include "full-codegen.h" 363ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block#include "parser.h" 376ded16be15dd865a9b21ea304d5273c8be299c87Steve Block#include "scopes.h" 383ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block 393ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Blocknamespace v8 { 403ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Blocknamespace internal { 413ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block 423ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block#define __ ACCESS_MASM(masm_) 433ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block 443ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block// Generate code for a JS function. On entry to the function the receiver 453ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block// and arguments have been pushed on the stack left to right. The actual 463ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block// argument count matches the formal parameter count expected by the 473ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block// function. 483ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block// 493ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block// The live registers are: 503ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block// o r1: the JS function object being called (ie, ourselves) 513ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block// o cp: our context 523ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block// o fp: our caller's frame pointer 533ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block// o sp: stack pointer 543ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block// o lr: return address 553ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block// 563ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block// The function builds a JS frame. Please see JavaScriptFrameConstants in 573ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block// frames-arm.h for its layout. 58756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrickvoid FullCodeGenerator::Generate(CompilationInfo* info) { 593100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu ASSERT(info_ == NULL); 603100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu info_ = info; 613100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu SetFunctionPosition(function()); 626ded16be15dd865a9b21ea304d5273c8be299c87Steve Block Comment cmnt(masm_, "[ function compiled by full code generator"); 633ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block 64756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick int locals_count = scope()->num_stack_slots(); 653ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block 66756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick __ Push(lr, fp, cp, r1); 67756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick if (locals_count > 0) { 68756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick // Load undefined value here, so the value is ready for the loop 69756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick // below. 70756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick __ LoadRoot(ip, Heap::kUndefinedValueRootIndex); 71756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick } 72756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick // Adjust fp to point to caller's fp. 73756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick __ add(fp, sp, Operand(2 * kPointerSize)); 743ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block 75756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick { Comment cmnt(masm_, "[ Allocate locals"); 76756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick for (int i = 0; i < locals_count; i++) { 77756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick __ push(ip); 784515c472dc3e5ed2448a564600976759e569a0a8Leon Clarke } 79756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick } 80d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 81756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick bool function_in_register = true; 824515c472dc3e5ed2448a564600976759e569a0a8Leon Clarke 83756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick // Possibly allocate a local context. 84756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick int heap_slots = scope()->num_heap_slots() - Context::MIN_CONTEXT_SLOTS; 85756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick if (heap_slots > 0) { 86756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick Comment cmnt(masm_, "[ Allocate local context"); 87756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick // Argument to NewContext is the function, which is in r1. 88756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick __ push(r1); 89756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick if (heap_slots <= FastNewContextStub::kMaximumSlots) { 90756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick FastNewContextStub stub(heap_slots); 91756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick __ CallStub(&stub); 92756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick } else { 93756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick __ CallRuntime(Runtime::kNewContext, 1); 94756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick } 95756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick function_in_register = false; 96756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick // Context is returned in both r0 and cp. It replaces the context 97756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick // passed to us. It's saved in the stack and kept live in cp. 98756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick __ str(cp, MemOperand(fp, StandardFrameConstants::kContextOffset)); 99756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick // Copy any necessary parameters into the context. 100756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick int num_parameters = scope()->num_parameters(); 101756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick for (int i = 0; i < num_parameters; i++) { 102756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick Slot* slot = scope()->parameter(i)->slot(); 103756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick if (slot != NULL && slot->type() == Slot::CONTEXT) { 104756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick int parameter_offset = StandardFrameConstants::kCallerSPOffset + 105756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick (num_parameters - 1 - i) * kPointerSize; 106756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick // Load parameter from stack. 107756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick __ ldr(r0, MemOperand(fp, parameter_offset)); 108756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick // Store it in the context. 109756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick __ mov(r1, Operand(Context::SlotOffset(slot->index()))); 110756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick __ str(r0, MemOperand(cp, r1)); 111756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick // Update the write barrier. This clobbers all involved 112756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick // registers, so we have to use two more registers to avoid 113756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick // clobbering cp. 114756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick __ mov(r2, Operand(cp)); 115756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick __ RecordWrite(r2, Operand(r1), r3, r0); 116d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } 117d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } 118756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick } 119d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 120756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick Variable* arguments = scope()->arguments()->AsVariable(); 121756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick if (arguments != NULL) { 122756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick // Function uses arguments object. 123756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick Comment cmnt(masm_, "[ Allocate arguments object"); 124756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick if (!function_in_register) { 125756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick // Load this again, if it's used by the local context below. 126756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick __ ldr(r3, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset)); 127756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick } else { 128756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick __ mov(r3, r1); 129d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } 130756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick // Receiver is just before the parameters on the caller's stack. 131756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick int offset = scope()->num_parameters() * kPointerSize; 132756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick __ add(r2, fp, 133756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick Operand(StandardFrameConstants::kCallerSPOffset + offset)); 134756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick __ mov(r1, Operand(Smi::FromInt(scope()->num_parameters()))); 135756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick __ Push(r3, r2, r1); 136756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick 137756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick // Arguments to ArgumentsAccessStub: 138756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick // function, receiver address, parameter count. 139756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick // The stub will rewrite receiever and parameter count if the previous 140756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick // stack frame was an arguments adapter frame. 141756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick ArgumentsAccessStub stub(ArgumentsAccessStub::NEW_OBJECT); 142756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick __ CallStub(&stub); 143756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick // Duplicate the value; move-to-slot operation might clobber registers. 144756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick __ mov(r3, r0); 145756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick Move(arguments->slot(), r0, r1, r2); 146756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick Slot* dot_arguments_slot = 147756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick scope()->arguments_shadow()->AsVariable()->slot(); 148756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick Move(dot_arguments_slot, r3, r1, r2); 149d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } 150d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 151f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke { Comment cmnt(masm_, "[ Declarations"); 152f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // For named function expressions, declare the function name as a 153f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // constant. 154f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke if (scope()->is_function_scope() && scope()->function() != NULL) { 155f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke EmitDeclaration(scope()->function(), Variable::CONST, NULL); 156f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke } 157f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Visit all the explicit declarations unless there is an illegal 158f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // redeclaration. 159f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke if (scope()->HasIllegalRedeclaration()) { 160f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke scope()->VisitIllegalRedeclaration(this); 161f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke } else { 162f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke VisitDeclarations(scope()->declarations()); 163f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke } 164f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke } 165f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 166d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block // Check the stack for overflow or break request. 167d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block // Put the lr setup instruction in the delay slot. The kInstrSize is 168d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block // added to the implicit 8 byte offset that always applies to operations 169d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block // with pc and gives a return address 12 bytes down. 170d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block { Comment cmnt(masm_, "[ Stack check"); 1714515c472dc3e5ed2448a564600976759e569a0a8Leon Clarke __ LoadRoot(r2, Heap::kStackLimitRootIndex); 1724515c472dc3e5ed2448a564600976759e569a0a8Leon Clarke __ add(lr, pc, Operand(Assembler::kInstrSize)); 1734515c472dc3e5ed2448a564600976759e569a0a8Leon Clarke __ cmp(sp, Operand(r2)); 1744515c472dc3e5ed2448a564600976759e569a0a8Leon Clarke StackCheckStub stub; 1754515c472dc3e5ed2448a564600976759e569a0a8Leon Clarke __ mov(pc, 1764515c472dc3e5ed2448a564600976759e569a0a8Leon Clarke Operand(reinterpret_cast<intptr_t>(stub.GetCode().location()), 1774515c472dc3e5ed2448a564600976759e569a0a8Leon Clarke RelocInfo::CODE_TARGET), 1784515c472dc3e5ed2448a564600976759e569a0a8Leon Clarke LeaveCC, 1794515c472dc3e5ed2448a564600976759e569a0a8Leon Clarke lo); 1803ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block } 1813ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block 1823ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block if (FLAG_trace) { 1833ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block __ CallRuntime(Runtime::kTraceEnter, 0); 1843ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block } 1853ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block 1863ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block { Comment cmnt(masm_, "[ Body"); 187d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block ASSERT(loop_depth() == 0); 1883100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu VisitStatements(function()->body()); 189d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block ASSERT(loop_depth() == 0); 1903ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block } 1913ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block 1923ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block { Comment cmnt(masm_, "[ return <undefined>;"); 1933ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block // Emit a 'return undefined' in case control fell off the end of the 1943ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block // body. 1953ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block __ LoadRoot(r0, Heap::kUndefinedValueRootIndex); 196d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } 1977f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch EmitReturnSequence(); 198d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block} 199d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 200d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 2017f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdochvoid FullCodeGenerator::EmitReturnSequence() { 202d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block Comment cmnt(masm_, "[ Return sequence"); 203d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block if (return_label_.is_bound()) { 204d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ b(&return_label_); 205d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } else { 206d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ bind(&return_label_); 2073ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block if (FLAG_trace) { 2083ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block // Push the return value on the stack as the parameter. 2093ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block // Runtime::TraceExit returns its parameter in r0. 2103ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block __ push(r0); 2113ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block __ CallRuntime(Runtime::kTraceExit, 1); 2123ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block } 2133ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block 2146ded16be15dd865a9b21ea304d5273c8be299c87Steve Block#ifdef DEBUG 215d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block // Add a label for checking the size of the code used for returning. 216d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block Label check_exit_codesize; 217d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block masm_->bind(&check_exit_codesize); 2186ded16be15dd865a9b21ea304d5273c8be299c87Steve Block#endif 2196ded16be15dd865a9b21ea304d5273c8be299c87Steve Block // Make sure that the constant pool is not emitted inside of the return 2206ded16be15dd865a9b21ea304d5273c8be299c87Steve Block // sequence. 2216ded16be15dd865a9b21ea304d5273c8be299c87Steve Block { Assembler::BlockConstPoolScope block_const_pool(masm_); 2226ded16be15dd865a9b21ea304d5273c8be299c87Steve Block // Here we use masm_-> instead of the __ macro to avoid the code coverage 2236ded16be15dd865a9b21ea304d5273c8be299c87Steve Block // tool from instrumenting as we rely on the code size here. 2246ded16be15dd865a9b21ea304d5273c8be299c87Steve Block int32_t sp_delta = (scope()->num_parameters() + 1) * kPointerSize; 225bb769b257e753aafcbd96767abb2abc645eaa20cBen Murdoch CodeGenerator::RecordPositions(masm_, function()->end_position() - 1); 2266ded16be15dd865a9b21ea304d5273c8be299c87Steve Block __ RecordJSReturn(); 2276ded16be15dd865a9b21ea304d5273c8be299c87Steve Block masm_->mov(sp, fp); 2286ded16be15dd865a9b21ea304d5273c8be299c87Steve Block masm_->ldm(ia_w, sp, fp.bit() | lr.bit()); 2296ded16be15dd865a9b21ea304d5273c8be299c87Steve Block masm_->add(sp, sp, Operand(sp_delta)); 2306ded16be15dd865a9b21ea304d5273c8be299c87Steve Block masm_->Jump(lr); 231d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } 232d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 2336ded16be15dd865a9b21ea304d5273c8be299c87Steve Block#ifdef DEBUG 234d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block // Check that the size of the code used for returning matches what is 2356ded16be15dd865a9b21ea304d5273c8be299c87Steve Block // expected by the debugger. If the sp_delts above cannot be encoded in the 2366ded16be15dd865a9b21ea304d5273c8be299c87Steve Block // add instruction the add will generate two instructions. 2376ded16be15dd865a9b21ea304d5273c8be299c87Steve Block int return_sequence_length = 2386ded16be15dd865a9b21ea304d5273c8be299c87Steve Block masm_->InstructionsGeneratedSince(&check_exit_codesize); 2397f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch CHECK(return_sequence_length == 2407f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch Assembler::kJSReturnSequenceInstructions || 2417f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch return_sequence_length == 2427f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch Assembler::kJSReturnSequenceInstructions + 1); 2436ded16be15dd865a9b21ea304d5273c8be299c87Steve Block#endif 244d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } 245d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block} 246d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 247d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 248d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarkevoid FullCodeGenerator::Apply(Expression::Context context, Register reg) { 249d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block switch (context) { 250d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block case Expression::kUninitialized: 251d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block UNREACHABLE(); 252e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke 253d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block case Expression::kEffect: 254e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke // Nothing to do. 255d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block break; 256e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke 257d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block case Expression::kValue: 258e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke // Move value into place. 259e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke switch (location_) { 260e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke case kAccumulator: 261e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke if (!reg.is(result_register())) __ mov(result_register(), reg); 262e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke break; 263e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke case kStack: 264e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ push(reg); 265e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke break; 266e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke } 267d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block break; 268e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke 269e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke case Expression::kValueTest: 270e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke case Expression::kTestValue: 271e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke // Push an extra copy of the value in case it's needed. 272e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ push(reg); 273e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke // Fall through. 274e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke 275d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block case Expression::kTest: 276e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke // We always call the runtime on ARM, so push the value as argument. 277e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ push(reg); 278e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke DoTest(context); 279d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block break; 280d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } 281d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block} 282d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 283d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 284d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarkevoid FullCodeGenerator::Apply(Expression::Context context, Slot* slot) { 285e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke switch (context) { 286e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke case Expression::kUninitialized: 287d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block UNREACHABLE(); 288e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke case Expression::kEffect: 289e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke // Nothing to do. 290e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke break; 291e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke case Expression::kValue: 292e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke case Expression::kTest: 293e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke case Expression::kValueTest: 294e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke case Expression::kTestValue: 295e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke // On ARM we have to move the value into a register to do anything 296e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke // with it. 297e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke Move(result_register(), slot); 298e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke Apply(context, result_register()); 299e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke break; 300d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } 301d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block} 302d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 303d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 304d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarkevoid FullCodeGenerator::Apply(Expression::Context context, Literal* lit) { 305e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke switch (context) { 306e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke case Expression::kUninitialized: 307e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke UNREACHABLE(); 308e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke case Expression::kEffect: 309e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke break; 310e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke // Nothing to do. 311e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke case Expression::kValue: 312e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke case Expression::kTest: 313e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke case Expression::kValueTest: 314e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke case Expression::kTestValue: 315e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke // On ARM we have to move the value into a register to do anything 316e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke // with it. 317e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ mov(result_register(), Operand(lit->handle())); 318e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke Apply(context, result_register()); 319e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke break; 320e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke } 321d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block} 322d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 323d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 324d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarkevoid FullCodeGenerator::ApplyTOS(Expression::Context context) { 325d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block switch (context) { 326d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block case Expression::kUninitialized: 327d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block UNREACHABLE(); 328e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke 329d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block case Expression::kEffect: 330e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ Drop(1); 331d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block break; 332e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke 333e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke case Expression::kValue: 334e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke switch (location_) { 335e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke case kAccumulator: 336e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ pop(result_register()); 337e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke break; 338e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke case kStack: 339e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke break; 340e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke } 341e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke break; 342e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke 343e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke case Expression::kValueTest: 344d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block case Expression::kTestValue: 345e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke // Duplicate the value on the stack in case it's needed. 346e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ ldr(ip, MemOperand(sp)); 347e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ push(ip); 348e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke // Fall through. 349e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke 350e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke case Expression::kTest: 351e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke DoTest(context); 352d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block break; 353d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } 354d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block} 355d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 356d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 357d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarkevoid FullCodeGenerator::DropAndApply(int count, 358e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke Expression::Context context, 359e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke Register reg) { 360e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke ASSERT(count > 0); 361e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke ASSERT(!reg.is(sp)); 362d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block switch (context) { 363d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block case Expression::kUninitialized: 364d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block UNREACHABLE(); 365e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke 366d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block case Expression::kEffect: 367e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ Drop(count); 368e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke break; 369e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke 370e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke case Expression::kValue: 371e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke switch (location_) { 372e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke case kAccumulator: 373e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ Drop(count); 374e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke if (!reg.is(result_register())) __ mov(result_register(), reg); 375e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke break; 376e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke case kStack: 377e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke if (count > 1) __ Drop(count - 1); 378e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ str(reg, MemOperand(sp)); 379e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke break; 380e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke } 381d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block break; 382e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke 383e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke case Expression::kTest: 384e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke if (count > 1) __ Drop(count - 1); 385e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ str(reg, MemOperand(sp)); 386e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke DoTest(context); 387e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke break; 388e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke 389e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke case Expression::kValueTest: 390d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block case Expression::kTestValue: 391e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke if (count == 1) { 392e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ str(reg, MemOperand(sp)); 393e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ push(reg); 394e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke } else { // count > 1 395e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ Drop(count - 2); 396e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ str(reg, MemOperand(sp, kPointerSize)); 397e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ str(reg, MemOperand(sp)); 398e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke } 399e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke DoTest(context); 400d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block break; 401d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } 402d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block} 403d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 404f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarkevoid FullCodeGenerator::PrepareTest(Label* materialize_true, 405f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Label* materialize_false, 406f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Label** if_true, 407f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Label** if_false) { 408f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke switch (context_) { 409f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke case Expression::kUninitialized: 410f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke UNREACHABLE(); 411f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke break; 412f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke case Expression::kEffect: 413f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // In an effect context, the true and the false case branch to the 414f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // same label. 415f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke *if_true = *if_false = materialize_true; 416f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke break; 417f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke case Expression::kValue: 418f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke *if_true = materialize_true; 419f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke *if_false = materialize_false; 420f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke break; 421f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke case Expression::kTest: 422f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke *if_true = true_label_; 423f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke *if_false = false_label_; 424f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke break; 425f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke case Expression::kValueTest: 426f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke *if_true = materialize_true; 427f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke *if_false = false_label_; 428f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke break; 429f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke case Expression::kTestValue: 430f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke *if_true = true_label_; 431f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke *if_false = materialize_false; 432f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke break; 433f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke } 434f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke} 435f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 436d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 437d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarkevoid FullCodeGenerator::Apply(Expression::Context context, 438e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke Label* materialize_true, 439e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke Label* materialize_false) { 440e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke switch (context) { 441e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke case Expression::kUninitialized: 442e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke 443e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke case Expression::kEffect: 444e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke ASSERT_EQ(materialize_true, materialize_false); 445e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ bind(materialize_true); 446d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block break; 447e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke 448e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke case Expression::kValue: { 449e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke Label done; 450e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke switch (location_) { 451e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke case kAccumulator: 452f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ bind(materialize_true); 453f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ LoadRoot(result_register(), Heap::kTrueValueRootIndex); 454f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ jmp(&done); 455f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ bind(materialize_false); 456f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ LoadRoot(result_register(), Heap::kFalseValueRootIndex); 457e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke break; 458e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke case kStack: 459f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ bind(materialize_true); 460f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ LoadRoot(ip, Heap::kTrueValueRootIndex); 461f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ push(ip); 462f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ jmp(&done); 463f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ bind(materialize_false); 464f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ LoadRoot(ip, Heap::kFalseValueRootIndex); 465f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ push(ip); 466e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke break; 467e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke } 468f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ bind(&done); 469d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block break; 470d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } 471e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke 472e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke case Expression::kTest: 473e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke break; 474e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke 475e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke case Expression::kValueTest: 476e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ bind(materialize_true); 477e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke switch (location_) { 478e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke case kAccumulator: 479f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ LoadRoot(result_register(), Heap::kTrueValueRootIndex); 480e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke break; 481e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke case kStack: 482f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ LoadRoot(ip, Heap::kTrueValueRootIndex); 483f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ push(ip); 484e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke break; 485e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke } 486e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ jmp(true_label_); 487e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke break; 488e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke 489e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke case Expression::kTestValue: 490e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ bind(materialize_false); 491e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke switch (location_) { 492e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke case kAccumulator: 493f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ LoadRoot(result_register(), Heap::kFalseValueRootIndex); 494e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke break; 495e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke case kStack: 496f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ LoadRoot(ip, Heap::kFalseValueRootIndex); 497f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ push(ip); 498e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke break; 499e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke } 500e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ jmp(false_label_); 501e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke break; 502d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } 503d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block} 504d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 505d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 506f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke// Convert constant control flow (true or false) to the result expected for 507f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke// a given expression context. 508f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarkevoid FullCodeGenerator::Apply(Expression::Context context, bool flag) { 509f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke switch (context) { 510f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke case Expression::kUninitialized: 511f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke UNREACHABLE(); 512f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke break; 513f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke case Expression::kEffect: 514f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke break; 515f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke case Expression::kValue: { 516f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Heap::RootListIndex value_root_index = 517f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke flag ? Heap::kTrueValueRootIndex : Heap::kFalseValueRootIndex; 518f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke switch (location_) { 519f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke case kAccumulator: 520f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ LoadRoot(result_register(), value_root_index); 521f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke break; 522f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke case kStack: 523f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ LoadRoot(ip, value_root_index); 524f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ push(ip); 525f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke break; 526f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke } 527f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke break; 528f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke } 529f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke case Expression::kTest: 530f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ b(flag ? true_label_ : false_label_); 531f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke break; 532f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke case Expression::kTestValue: 533f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke switch (location_) { 534f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke case kAccumulator: 535f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // If value is false it's needed. 536f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke if (!flag) __ LoadRoot(result_register(), Heap::kFalseValueRootIndex); 537f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke break; 538f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke case kStack: 539f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // If value is false it's needed. 540f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke if (!flag) { 541f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ LoadRoot(ip, Heap::kFalseValueRootIndex); 542f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ push(ip); 543f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke } 544f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke break; 545f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke } 546f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ b(flag ? true_label_ : false_label_); 547f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke break; 548f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke case Expression::kValueTest: 549f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke switch (location_) { 550f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke case kAccumulator: 551f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // If value is true it's needed. 552f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke if (flag) __ LoadRoot(result_register(), Heap::kTrueValueRootIndex); 553f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke break; 554f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke case kStack: 555f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // If value is true it's needed. 556f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke if (flag) { 557f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ LoadRoot(ip, Heap::kTrueValueRootIndex); 558f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ push(ip); 559f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke } 560f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke break; 561f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke } 562f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ b(flag ? true_label_ : false_label_); 563f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke break; 564f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke } 565f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke} 566f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 567f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 568d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarkevoid FullCodeGenerator::DoTest(Expression::Context context) { 569e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke // The value to test is pushed on the stack, and duplicated on the stack 570e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke // if necessary (for value/test and test/value contexts). 571e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke ASSERT_NE(NULL, true_label_); 572e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke ASSERT_NE(NULL, false_label_); 573e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke 574e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke // Call the runtime to find the boolean value of the source and then 575e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke // translate it into control flow to the pair of labels. 576e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ CallRuntime(Runtime::kToBool, 1); 577e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ LoadRoot(ip, Heap::kTrueValueRootIndex); 578e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ cmp(r0, ip); 579d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 580e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke // Complete based on the context. 581d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block switch (context) { 582d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block case Expression::kUninitialized: 583d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block case Expression::kEffect: 584d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block case Expression::kValue: 585e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke UNREACHABLE(); 586e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke 587d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block case Expression::kTest: 588e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ b(eq, true_label_); 589e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ jmp(false_label_); 590d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block break; 591e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke 592d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block case Expression::kValueTest: { 593d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block Label discard; 594e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke switch (location_) { 595e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke case kAccumulator: 596e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ b(ne, &discard); 597e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ pop(result_register()); 598e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ jmp(true_label_); 599e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke break; 600e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke case kStack: 601e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ b(eq, true_label_); 602e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke break; 603d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } 604d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ bind(&discard); 605e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ Drop(1); 606d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ jmp(false_label_); 607d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block break; 608d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } 609e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke 610d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block case Expression::kTestValue: { 611d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block Label discard; 612e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke switch (location_) { 613e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke case kAccumulator: 614e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ b(eq, &discard); 615e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ pop(result_register()); 616e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ jmp(false_label_); 617e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke break; 618e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke case kStack: 619e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ b(ne, false_label_); 620e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke break; 621d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } 622d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ bind(&discard); 623e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ Drop(1); 624d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ jmp(true_label_); 625d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block break; 626d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } 627d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } 628d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block} 629d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 630d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 631d91b9f7d46489a9ee00f9cb415630299c76a502bLeon ClarkeMemOperand FullCodeGenerator::EmitSlotSearch(Slot* slot, Register scratch) { 632e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke switch (slot->type()) { 633e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke case Slot::PARAMETER: 634e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke case Slot::LOCAL: 635e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke return MemOperand(fp, SlotOffset(slot)); 636e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke case Slot::CONTEXT: { 637e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke int context_chain_length = 6383100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu scope()->ContextChainLength(slot->var()->scope()); 639e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ LoadContext(scratch, context_chain_length); 640e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke return CodeGenerator::ContextOperand(scratch, slot->index()); 641e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke } 642e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke case Slot::LOOKUP: 643e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke UNREACHABLE(); 644e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke } 645e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke UNREACHABLE(); 646e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke return MemOperand(r0, 0); 647e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke} 648e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke 649e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke 650d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarkevoid FullCodeGenerator::Move(Register destination, Slot* source) { 651e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke // Use destination as scratch. 652e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke MemOperand slot_operand = EmitSlotSearch(source, destination); 653e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ ldr(destination, slot_operand); 654e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke} 655e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke 656e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke 657d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarkevoid FullCodeGenerator::Move(Slot* dst, 658e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke Register src, 659e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke Register scratch1, 660e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke Register scratch2) { 661e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke ASSERT(dst->type() != Slot::LOOKUP); // Not yet implemented. 662e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke ASSERT(!scratch1.is(src) && !scratch2.is(src)); 663e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke MemOperand location = EmitSlotSearch(dst, scratch1); 664e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ str(src, location); 665e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke // Emit the write barrier code if the location is in the heap. 666e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke if (dst->type() == Slot::CONTEXT) { 6679dcf7e2f83591d471e88bf7d230651900b8e424bKristian Monsen __ RecordWrite(scratch1, 6689dcf7e2f83591d471e88bf7d230651900b8e424bKristian Monsen Operand(Context::SlotOffset(dst->index())), 6699dcf7e2f83591d471e88bf7d230651900b8e424bKristian Monsen scratch2, 6709dcf7e2f83591d471e88bf7d230651900b8e424bKristian Monsen src); 671e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke } 672d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block} 673d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 674d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 675f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarkevoid FullCodeGenerator::EmitDeclaration(Variable* variable, 676f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Variable::Mode mode, 677f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke FunctionLiteral* function) { 678d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block Comment cmnt(masm_, "[ Declaration"); 679f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke ASSERT(variable != NULL); // Must have been resolved. 680f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Slot* slot = variable->slot(); 681f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Property* prop = variable->AsProperty(); 682d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 683d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block if (slot != NULL) { 684d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block switch (slot->type()) { 685e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke case Slot::PARAMETER: 686d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block case Slot::LOCAL: 687f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke if (mode == Variable::CONST) { 688d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ LoadRoot(ip, Heap::kTheHoleValueRootIndex); 689e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ str(ip, MemOperand(fp, SlotOffset(slot))); 690f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke } else if (function != NULL) { 691f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke VisitForValue(function, kAccumulator); 692e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ str(result_register(), MemOperand(fp, SlotOffset(slot))); 693d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } 694d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block break; 695d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 696d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block case Slot::CONTEXT: 697e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke // We bypass the general EmitSlotSearch because we know more about 698e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke // this specific context. 699e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke 700d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block // The variable in the decl always resides in the current context. 701f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke ASSERT_EQ(0, scope()->ContextChainLength(variable->scope())); 702d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block if (FLAG_debug_code) { 703d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block // Check if we have the correct context pointer. 704d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ ldr(r1, 705d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block CodeGenerator::ContextOperand(cp, Context::FCONTEXT_INDEX)); 706d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ cmp(r1, cp); 707d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ Check(eq, "Unexpected declaration in current context."); 708d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } 709f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke if (mode == Variable::CONST) { 710d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ LoadRoot(ip, Heap::kTheHoleValueRootIndex); 711d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ str(ip, CodeGenerator::ContextOperand(cp, slot->index())); 712d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block // No write barrier since the_hole_value is in old space. 713f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke } else if (function != NULL) { 714f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke VisitForValue(function, kAccumulator); 715e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ str(result_register(), 716e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke CodeGenerator::ContextOperand(cp, slot->index())); 717d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block int offset = Context::SlotOffset(slot->index()); 718d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block // We know that we have written a function, which is not a smi. 7194515c472dc3e5ed2448a564600976759e569a0a8Leon Clarke __ mov(r1, Operand(cp)); 7209dcf7e2f83591d471e88bf7d230651900b8e424bKristian Monsen __ RecordWrite(r1, Operand(offset), r2, result_register()); 721d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } 722d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block break; 723d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 724d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block case Slot::LOOKUP: { 725f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ mov(r2, Operand(variable->name())); 726d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block // Declaration nodes are always introduced in one of two modes. 727f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke ASSERT(mode == Variable::VAR || 728f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke mode == Variable::CONST); 729d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block PropertyAttributes attr = 730f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke (mode == Variable::VAR) ? NONE : READ_ONLY; 731d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ mov(r1, Operand(Smi::FromInt(attr))); 732d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block // Push initial value, if any. 733d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block // Note: For variables we must not push an initial value (such as 734d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block // 'undefined') because we may have a (legal) redeclaration and we 735d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block // must not destroy the current value. 736f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke if (mode == Variable::CONST) { 737d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ LoadRoot(r0, Heap::kTheHoleValueRootIndex); 738f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ Push(cp, r2, r1, r0); 739f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke } else if (function != NULL) { 740f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ Push(cp, r2, r1); 741e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke // Push initial value for function declaration. 742f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke VisitForValue(function, kStack); 743d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } else { 744d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ mov(r0, Operand(Smi::FromInt(0))); // No initial value! 745f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ Push(cp, r2, r1, r0); 746d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } 747d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ CallRuntime(Runtime::kDeclareContextSlot, 4); 748d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block break; 749d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } 750d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } 751d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 752d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } else if (prop != NULL) { 753f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke if (function != NULL || mode == Variable::CONST) { 754d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block // We are declaring a function or constant that rewrites to a 755d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block // property. Use (keyed) IC to set the initial value. 756e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke VisitForValue(prop->obj(), kStack); 757f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke if (function != NULL) { 758f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke VisitForValue(prop->key(), kStack); 759f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke VisitForValue(function, kAccumulator); 760f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ pop(r1); // Key. 761d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } else { 762f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke VisitForValue(prop->key(), kAccumulator); 763f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ mov(r1, result_register()); // Key. 764e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ LoadRoot(result_register(), Heap::kTheHoleValueRootIndex); 765d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } 766f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ pop(r2); // Receiver. 767d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 768d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block Handle<Code> ic(Builtins::builtin(Builtins::KeyedStoreIC_Initialize)); 769d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ Call(ic, RelocInfo::CODE_TARGET); 770f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Value in r0 is ignored (declarations are statements). 771d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } 7723ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block } 7733ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block} 7743ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block 7753ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block 776f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarkevoid FullCodeGenerator::VisitDeclaration(Declaration* decl) { 777f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke EmitDeclaration(decl->proxy()->var(), decl->mode(), decl->fun()); 778f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke} 779f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 780f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 781d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarkevoid FullCodeGenerator::DeclareGlobals(Handle<FixedArray> pairs) { 7823ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block // Call the runtime to declare the globals. 7833ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block // The context is the first argument. 7843ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block __ mov(r1, Operand(pairs)); 7853100271588b61cbc1dc472a3f2f105d2eed8497fAndrei Popescu __ mov(r0, Operand(Smi::FromInt(is_eval() ? 1 : 0))); 786f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ Push(cp, r1, r0); 7873ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block __ CallRuntime(Runtime::kDeclareGlobals, 3); 7883ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block // Return value is ignored. 7893ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block} 7903ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block 7913ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block 792f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarkevoid FullCodeGenerator::VisitSwitchStatement(SwitchStatement* stmt) { 793f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Comment cmnt(masm_, "[ SwitchStatement"); 794f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Breakable nested_statement(this, stmt); 795f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke SetStatementPosition(stmt); 796f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Keep the switch value on the stack until a case matches. 797f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke VisitForValue(stmt->tag(), kStack); 798f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 799f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke ZoneList<CaseClause*>* clauses = stmt->cases(); 800f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke CaseClause* default_clause = NULL; // Can occur anywhere in the list. 801f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 802f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Label next_test; // Recycled for each test. 803f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Compile all the tests with branches to their bodies. 804f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke for (int i = 0; i < clauses->length(); i++) { 805f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke CaseClause* clause = clauses->at(i); 806f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // The default is not a test, but remember it as final fall through. 807f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke if (clause->is_default()) { 808f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke default_clause = clause; 809f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke continue; 810f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke } 811f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 812f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Comment cmnt(masm_, "[ Case comparison"); 813f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ bind(&next_test); 814f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke next_test.Unuse(); 815f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 816f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Compile the label expression. 817f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke VisitForValue(clause->label(), kAccumulator); 818f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 819f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Perform the comparison as if via '==='. The comparison stub expects 820f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // the smi vs. smi case to be handled before it is called. 821f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Label slow_case; 822f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ ldr(r1, MemOperand(sp, 0)); // Switch value. 8233bec4d28b1f388dbc06a9c4276e1a03e86c52b04Ben Murdoch __ orr(r2, r1, r0); 824f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ tst(r2, Operand(kSmiTagMask)); 825f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ b(ne, &slow_case); 826f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ cmp(r1, r0); 827f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ b(ne, &next_test); 828f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ Drop(1); // Switch value is no longer needed. 829f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ b(clause->body_target()->entry_label()); 830f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 831f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ bind(&slow_case); 8323bec4d28b1f388dbc06a9c4276e1a03e86c52b04Ben Murdoch CompareStub stub(eq, true, kBothCouldBeNaN, true, r1, r0); 833f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ CallStub(&stub); 8343bec4d28b1f388dbc06a9c4276e1a03e86c52b04Ben Murdoch __ cmp(r0, Operand(0)); 835f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ b(ne, &next_test); 836f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ Drop(1); // Switch value is no longer needed. 837f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ b(clause->body_target()->entry_label()); 838f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke } 839f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 840f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Discard the test value and jump to the default if present, otherwise to 841f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // the end of the statement. 842f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ bind(&next_test); 843f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ Drop(1); // Switch value is no longer needed. 844f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke if (default_clause == NULL) { 845f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ b(nested_statement.break_target()); 846f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke } else { 847f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ b(default_clause->body_target()->entry_label()); 848f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke } 849f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 850f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Compile all the case bodies. 851f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke for (int i = 0; i < clauses->length(); i++) { 852f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Comment cmnt(masm_, "[ Case body"); 853f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke CaseClause* clause = clauses->at(i); 854f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ bind(clause->body_target()->entry_label()); 855f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke VisitStatements(clause->statements()); 856f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke } 857f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 858f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ bind(nested_statement.break_target()); 859f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke} 860f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 861f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 862f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarkevoid FullCodeGenerator::VisitForInStatement(ForInStatement* stmt) { 863f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Comment cmnt(masm_, "[ ForInStatement"); 864f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke SetStatementPosition(stmt); 865f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 866f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Label loop, exit; 867f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke ForIn loop_statement(this, stmt); 868f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke increment_loop_depth(); 869f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 870f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Get the object to enumerate over. Both SpiderMonkey and JSC 871f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // ignore null and undefined in contrast to the specification; see 872f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // ECMA-262 section 12.6.4. 873f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke VisitForValue(stmt->enumerable(), kAccumulator); 874f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ LoadRoot(ip, Heap::kUndefinedValueRootIndex); 875f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ cmp(r0, ip); 876f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ b(eq, &exit); 877f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ LoadRoot(ip, Heap::kNullValueRootIndex); 878f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ cmp(r0, ip); 879f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ b(eq, &exit); 880f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 881f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Convert the object to a JS object. 882f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Label convert, done_convert; 883f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ BranchOnSmi(r0, &convert); 884f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ CompareObjectType(r0, r1, r1, FIRST_JS_OBJECT_TYPE); 885f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ b(hs, &done_convert); 886f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ bind(&convert); 887f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ push(r0); 888f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ InvokeBuiltin(Builtins::TO_OBJECT, CALL_JS); 889f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ bind(&done_convert); 890f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ push(r0); 891f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 892f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // TODO(kasperl): Check cache validity in generated code. This is a 893f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // fast case for the JSObject::IsSimpleEnum cache validity 894f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // checks. If we cannot guarantee cache validity, call the runtime 895f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // system to check cache validity or get the property names in a 896f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // fixed array. 897f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 898f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Get the set of properties to enumerate. 899f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ push(r0); // Duplicate the enumerable object on the stack. 900f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ CallRuntime(Runtime::kGetPropertyNamesFast, 1); 901f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 902f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // If we got a map from the runtime call, we can do a fast 903f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // modification check. Otherwise, we got a fixed array, and we have 904f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // to do a slow check. 905f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Label fixed_array; 906f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ mov(r2, r0); 907f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ ldr(r1, FieldMemOperand(r2, HeapObject::kMapOffset)); 908f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ LoadRoot(ip, Heap::kMetaMapRootIndex); 909f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ cmp(r1, ip); 910f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ b(ne, &fixed_array); 911f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 912f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // We got a map in register r0. Get the enumeration cache from it. 913f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ ldr(r1, FieldMemOperand(r0, Map::kInstanceDescriptorsOffset)); 914f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ ldr(r1, FieldMemOperand(r1, DescriptorArray::kEnumerationIndexOffset)); 915f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ ldr(r2, FieldMemOperand(r1, DescriptorArray::kEnumCacheBridgeCacheOffset)); 916f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 917f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Setup the four remaining stack slots. 918f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ push(r0); // Map. 919f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ ldr(r1, FieldMemOperand(r2, FixedArray::kLengthOffset)); 920f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ mov(r0, Operand(Smi::FromInt(0))); 921f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Push enumeration cache, enumeration cache length (as smi) and zero. 922f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ Push(r2, r1, r0); 923f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ jmp(&loop); 924f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 925f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // We got a fixed array in register r0. Iterate through that. 926f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ bind(&fixed_array); 927f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ mov(r1, Operand(Smi::FromInt(0))); // Map (0) - force slow check. 928f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ Push(r1, r0); 929f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ ldr(r1, FieldMemOperand(r0, FixedArray::kLengthOffset)); 930f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ mov(r0, Operand(Smi::FromInt(0))); 931f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ Push(r1, r0); // Fixed array length (as smi) and initial index. 932f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 933f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Generate code for doing the condition check. 934f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ bind(&loop); 935f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Load the current count to r0, load the length to r1. 936f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ Ldrd(r0, r1, MemOperand(sp, 0 * kPointerSize)); 937f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ cmp(r0, r1); // Compare to the array length. 938f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ b(hs, loop_statement.break_target()); 939f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 940f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Get the current entry of the array into register r3. 941f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ ldr(r2, MemOperand(sp, 2 * kPointerSize)); 942f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ add(r2, r2, Operand(FixedArray::kHeaderSize - kHeapObjectTag)); 943f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ ldr(r3, MemOperand(r2, r0, LSL, kPointerSizeLog2 - kSmiTagSize)); 944f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 945f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Get the expected map from the stack or a zero map in the 946f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // permanent slow case into register r2. 947f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ ldr(r2, MemOperand(sp, 3 * kPointerSize)); 948f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 949f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Check if the expected map still matches that of the enumerable. 950f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // If not, we have to filter the key. 951f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Label update_each; 952f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ ldr(r1, MemOperand(sp, 4 * kPointerSize)); 953f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ ldr(r4, FieldMemOperand(r1, HeapObject::kMapOffset)); 954f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ cmp(r4, Operand(r2)); 955f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ b(eq, &update_each); 956f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 957756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick // Convert the entry to a string or (smi) 0 if it isn't a property 958756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick // any more. If the property has been removed while iterating, we 959f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // just skip it. 960f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ push(r1); // Enumerable. 961f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ push(r3); // Current entry. 962f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ InvokeBuiltin(Builtins::FILTER_KEY, CALL_JS); 963756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick __ mov(r3, Operand(r0), SetCC); 964f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ b(eq, loop_statement.continue_target()); 965f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 966f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Update the 'each' property or variable from the possibly filtered 967f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // entry in register r3. 968f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ bind(&update_each); 969f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ mov(result_register(), r3); 970f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Perform the assignment as if via '='. 971f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke EmitAssignment(stmt->each()); 972f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 973f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Generate code for the body of the loop. 974f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Label stack_limit_hit, stack_check_done; 975f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Visit(stmt->body()); 976f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 977f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ StackLimitCheck(&stack_limit_hit); 978f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ bind(&stack_check_done); 979f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 980f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Generate code for the going to the next element by incrementing 981f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // the index (smi) stored on top of the stack. 982f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ bind(loop_statement.continue_target()); 983f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ pop(r0); 984f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ add(r0, r0, Operand(Smi::FromInt(1))); 985f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ push(r0); 986f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ b(&loop); 987f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 988f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Slow case for the stack limit check. 989f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke StackCheckStub stack_check_stub; 990f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ bind(&stack_limit_hit); 991f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ CallStub(&stack_check_stub); 992f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ b(&stack_check_done); 993f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 994f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Remove the pointers stored on the stack. 995f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ bind(loop_statement.break_target()); 996f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ Drop(5); 997f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 998f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Exit and decrement the loop depth. 999f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ bind(&exit); 1000f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke decrement_loop_depth(); 1001f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke} 10023ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block 10033ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block 1004f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarkevoid FullCodeGenerator::EmitNewClosure(Handle<SharedFunctionInfo> info) { 1005f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Use the fast case closure allocation code that allocates in new 1006f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // space for nested functions that don't need literals cloning. 1007f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke if (scope()->is_function_scope() && info->num_literals() == 0) { 1008f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke FastNewClosureStub stub; 1009f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ mov(r0, Operand(info)); 1010f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ push(r0); 1011f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ CallStub(&stub); 1012f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke } else { 1013f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ mov(r0, Operand(info)); 1014f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ Push(cp, r0); 1015f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ CallRuntime(Runtime::kNewClosure, 2); 1016f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke } 1017e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke Apply(context_, r0); 10183ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block} 10193ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block 10203ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block 1021d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarkevoid FullCodeGenerator::VisitVariableProxy(VariableProxy* expr) { 10223ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block Comment cmnt(masm_, "[ VariableProxy"); 1023e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke EmitVariableLoad(expr->var(), context_); 1024e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke} 1025e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke 1026e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke 1027d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarkevoid FullCodeGenerator::EmitVariableLoad(Variable* var, 1028e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke Expression::Context context) { 1029d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarke // Four cases: non-this global variables, lookup slots, all other 1030d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarke // types of slots, and parameters that rewrite to explicit property 1031d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarke // accesses on the arguments object. 1032d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarke Slot* slot = var->slot(); 1033d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarke Property* property = var->AsProperty(); 1034d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarke 1035d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarke if (var->is_global() && !var->is_this()) { 10363ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block Comment cmnt(masm_, "Global variable"); 10373ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block // Use inline caching. Variable name is passed in r2 and the global 1038f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // object (receiver) in r0. 10396ded16be15dd865a9b21ea304d5273c8be299c87Steve Block __ ldr(r0, CodeGenerator::GlobalObject()); 1040e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ mov(r2, Operand(var->name())); 10413ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block Handle<Code> ic(Builtins::builtin(Builtins::LoadIC_Initialize)); 10423ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block __ Call(ic, RelocInfo::CODE_TARGET_CONTEXT); 1043f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Apply(context, r0); 1044d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarke 1045d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarke } else if (slot != NULL && slot->type() == Slot::LOOKUP) { 1046d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarke Comment cmnt(masm_, "Lookup slot"); 1047d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarke __ mov(r1, Operand(var->name())); 1048f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ Push(cp, r1); // Context and name. 1049d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarke __ CallRuntime(Runtime::kLoadContextSlot, 2); 1050d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarke Apply(context, r0); 1051d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarke 1052d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarke } else if (slot != NULL) { 1053d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarke Comment cmnt(masm_, (slot->type() == Slot::CONTEXT) 1054d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarke ? "Context slot" 1055d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarke : "Stack slot"); 1056f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke if (var->mode() == Variable::CONST) { 1057f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Constants may be the hole value if they have not been initialized. 1058f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Unhole them. 1059f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Label done; 1060f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke MemOperand slot_operand = EmitSlotSearch(slot, r0); 1061f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ ldr(r0, slot_operand); 1062f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ LoadRoot(ip, Heap::kTheHoleValueRootIndex); 1063f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ cmp(r0, ip); 1064f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ b(ne, &done); 1065f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ LoadRoot(r0, Heap::kUndefinedValueRootIndex); 1066f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ bind(&done); 1067f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Apply(context, r0); 1068f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke } else { 1069f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Apply(context, slot); 1070f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke } 1071d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } else { 1072d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarke Comment cmnt(masm_, "Rewritten parameter"); 1073d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block ASSERT_NOT_NULL(property); 1074d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarke // Rewritten parameter accesses are of the form "slot[literal]". 1075d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 1076e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke // Assert that the object is in a slot. 1077d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block Variable* object_var = property->obj()->AsVariableProxy()->AsVariable(); 1078d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block ASSERT_NOT_NULL(object_var); 1079d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block Slot* object_slot = object_var->slot(); 1080d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block ASSERT_NOT_NULL(object_slot); 1081d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 1082d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block // Load the object. 10836ded16be15dd865a9b21ea304d5273c8be299c87Steve Block Move(r1, object_slot); 1084d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 1085e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke // Assert that the key is a smi. 1086d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block Literal* key_literal = property->key()->AsLiteral(); 1087d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block ASSERT_NOT_NULL(key_literal); 1088d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block ASSERT(key_literal->handle()->IsSmi()); 1089d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 1090d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block // Load the key. 10916ded16be15dd865a9b21ea304d5273c8be299c87Steve Block __ mov(r0, Operand(key_literal->handle())); 1092d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 109325f6136652d8341ed047e7fc1a450af5bd218ea9Kristian Monsen // Call keyed load IC. It has arguments key and receiver in r0 and r1. 1094d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block Handle<Code> ic(Builtins::builtin(Builtins::KeyedLoadIC_Initialize)); 1095d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ Call(ic, RelocInfo::CODE_TARGET); 109625f6136652d8341ed047e7fc1a450af5bd218ea9Kristian Monsen Apply(context, r0); 10973ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block } 10983ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block} 10993ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block 11003ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block 1101d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarkevoid FullCodeGenerator::VisitRegExpLiteral(RegExpLiteral* expr) { 1102d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block Comment cmnt(masm_, "[ RegExpLiteral"); 1103bb769b257e753aafcbd96767abb2abc645eaa20cBen Murdoch Label materialized; 11043ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block // Registers will be used as follows: 11053ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block // r4 = JS function, literals array 11063ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block // r3 = literal index 11073ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block // r2 = RegExp pattern 11083ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block // r1 = RegExp flags 1109bb769b257e753aafcbd96767abb2abc645eaa20cBen Murdoch // r0 = temp + materialized value (RegExp literal) 11103ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block __ ldr(r0, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset)); 11113ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block __ ldr(r4, FieldMemOperand(r0, JSFunction::kLiteralsOffset)); 11123ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block int literal_offset = 11133ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block FixedArray::kHeaderSize + expr->literal_index() * kPointerSize; 11143ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block __ ldr(r0, FieldMemOperand(r4, literal_offset)); 11153ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block __ LoadRoot(ip, Heap::kUndefinedValueRootIndex); 11163ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block __ cmp(r0, ip); 1117bb769b257e753aafcbd96767abb2abc645eaa20cBen Murdoch __ b(ne, &materialized); 11183ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block __ mov(r3, Operand(Smi::FromInt(expr->literal_index()))); 11193ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block __ mov(r2, Operand(expr->pattern())); 11203ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block __ mov(r1, Operand(expr->flags())); 11216ded16be15dd865a9b21ea304d5273c8be299c87Steve Block __ Push(r4, r3, r2, r1); 11223ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block __ CallRuntime(Runtime::kMaterializeRegExpLiteral, 4); 1123bb769b257e753aafcbd96767abb2abc645eaa20cBen Murdoch __ bind(&materialized); 1124bb769b257e753aafcbd96767abb2abc645eaa20cBen Murdoch int size = JSRegExp::kSize + JSRegExp::kInObjectFieldCount * kPointerSize; 1125bb769b257e753aafcbd96767abb2abc645eaa20cBen Murdoch __ push(r0); 1126bb769b257e753aafcbd96767abb2abc645eaa20cBen Murdoch __ mov(r0, Operand(Smi::FromInt(size))); 1127bb769b257e753aafcbd96767abb2abc645eaa20cBen Murdoch __ push(r0); 1128bb769b257e753aafcbd96767abb2abc645eaa20cBen Murdoch __ CallRuntime(Runtime::kAllocateInNewSpace, 1); 1129bb769b257e753aafcbd96767abb2abc645eaa20cBen Murdoch // After this, registers are used as follows: 1130bb769b257e753aafcbd96767abb2abc645eaa20cBen Murdoch // r0: Newly allocated regexp. 1131bb769b257e753aafcbd96767abb2abc645eaa20cBen Murdoch // r1: Materialized regexp 1132bb769b257e753aafcbd96767abb2abc645eaa20cBen Murdoch // r2: temp. 1133bb769b257e753aafcbd96767abb2abc645eaa20cBen Murdoch __ pop(r1); 1134bb769b257e753aafcbd96767abb2abc645eaa20cBen Murdoch __ CopyFields(r0, r1, r2.bit(), size / kPointerSize); 1135e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke Apply(context_, r0); 1136d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block} 1137d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 1138d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 1139d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarkevoid FullCodeGenerator::VisitObjectLiteral(ObjectLiteral* expr) { 1140d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block Comment cmnt(masm_, "[ ObjectLiteral"); 11416ded16be15dd865a9b21ea304d5273c8be299c87Steve Block __ ldr(r3, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset)); 11426ded16be15dd865a9b21ea304d5273c8be299c87Steve Block __ ldr(r3, FieldMemOperand(r3, JSFunction::kLiteralsOffset)); 11436ded16be15dd865a9b21ea304d5273c8be299c87Steve Block __ mov(r2, Operand(Smi::FromInt(expr->literal_index()))); 11446ded16be15dd865a9b21ea304d5273c8be299c87Steve Block __ mov(r1, Operand(expr->constant_properties())); 11456ded16be15dd865a9b21ea304d5273c8be299c87Steve Block __ mov(r0, Operand(Smi::FromInt(expr->fast_elements() ? 1 : 0))); 11466ded16be15dd865a9b21ea304d5273c8be299c87Steve Block __ Push(r3, r2, r1, r0); 1147d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block if (expr->depth() > 1) { 11486ded16be15dd865a9b21ea304d5273c8be299c87Steve Block __ CallRuntime(Runtime::kCreateObjectLiteral, 4); 11493ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block } else { 11506ded16be15dd865a9b21ea304d5273c8be299c87Steve Block __ CallRuntime(Runtime::kCreateObjectLiteralShallow, 4); 1151d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } 1152d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 1153e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke // If result_saved is true the result is on top of the stack. If 1154e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke // result_saved is false the result is in r0. 1155d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block bool result_saved = false; 1156d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 1157d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block for (int i = 0; i < expr->properties()->length(); i++) { 1158d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block ObjectLiteral::Property* property = expr->properties()->at(i); 1159d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block if (property->IsCompileTimeValue()) continue; 1160d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 1161d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block Literal* key = property->key(); 1162d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block Expression* value = property->value(); 1163d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block if (!result_saved) { 1164d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ push(r0); // Save result on stack 1165d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block result_saved = true; 1166d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } 1167d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block switch (property->kind()) { 1168d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block case ObjectLiteral::Property::CONSTANT: 1169d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block UNREACHABLE(); 1170e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke case ObjectLiteral::Property::MATERIALIZED_LITERAL: 1171d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block ASSERT(!CompileTimeValue::IsCompileTimeValue(property->value())); 1172e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke // Fall through. 1173d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block case ObjectLiteral::Property::COMPUTED: 1174d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block if (key->handle()->IsSymbol()) { 1175e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke VisitForValue(value, kAccumulator); 1176d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ mov(r2, Operand(key->handle())); 1177402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu __ ldr(r1, MemOperand(sp)); 1178d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block Handle<Code> ic(Builtins::builtin(Builtins::StoreIC_Initialize)); 1179d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ Call(ic, RelocInfo::CODE_TARGET); 1180d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block break; 1181d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } 1182d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block // Fall through. 1183d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block case ObjectLiteral::Property::PROTOTYPE: 1184e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke // Duplicate receiver on stack. 1185e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ ldr(r0, MemOperand(sp)); 1186d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ push(r0); 1187e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke VisitForValue(key, kStack); 1188e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke VisitForValue(value, kStack); 1189d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ CallRuntime(Runtime::kSetProperty, 3); 1190d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block break; 1191e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke case ObjectLiteral::Property::GETTER: 1192d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block case ObjectLiteral::Property::SETTER: 1193e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke // Duplicate receiver on stack. 1194e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ ldr(r0, MemOperand(sp)); 1195d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ push(r0); 1196e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke VisitForValue(key, kStack); 1197d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ mov(r1, Operand(property->kind() == ObjectLiteral::Property::SETTER ? 1198d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block Smi::FromInt(1) : 1199d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block Smi::FromInt(0))); 1200d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ push(r1); 1201e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke VisitForValue(value, kStack); 1202d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ CallRuntime(Runtime::kDefineAccessor, 4); 1203d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block break; 1204d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } 1205d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } 1206e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke 1207e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke if (result_saved) { 1208e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke ApplyTOS(context_); 1209e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke } else { 1210e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke Apply(context_, r0); 12113ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block } 12123ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block} 12133ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block 12143ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block 1215d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarkevoid FullCodeGenerator::VisitArrayLiteral(ArrayLiteral* expr) { 12163ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block Comment cmnt(masm_, "[ ArrayLiteral"); 1217f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 1218f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke ZoneList<Expression*>* subexprs = expr->values(); 1219f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke int length = subexprs->length(); 1220f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 12213ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block __ ldr(r3, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset)); 12223ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block __ ldr(r3, FieldMemOperand(r3, JSFunction::kLiteralsOffset)); 12233ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block __ mov(r2, Operand(Smi::FromInt(expr->literal_index()))); 1224e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ mov(r1, Operand(expr->constant_elements())); 12256ded16be15dd865a9b21ea304d5273c8be299c87Steve Block __ Push(r3, r2, r1); 1226756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick if (expr->constant_elements()->map() == Heap::fixed_cow_array_map()) { 1227756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick FastCloneShallowArrayStub stub( 1228756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick FastCloneShallowArrayStub::COPY_ON_WRITE_ELEMENTS, length); 1229756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick __ CallStub(&stub); 1230756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick __ IncrementCounter(&Counters::cow_arrays_created_stub, 1, r1, r2); 1231756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick } else if (expr->depth() > 1) { 1232e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ CallRuntime(Runtime::kCreateArrayLiteral, 3); 1233756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick } else if (length > FastCloneShallowArrayStub::kMaximumClonedLength) { 1234e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ CallRuntime(Runtime::kCreateArrayLiteralShallow, 3); 1235f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke } else { 1236756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick FastCloneShallowArrayStub stub( 1237756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick FastCloneShallowArrayStub::CLONE_ELEMENTS, length); 1238f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ CallStub(&stub); 12393ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block } 12403ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block 12413ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block bool result_saved = false; // Is the result saved to the stack? 12423ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block 12433ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block // Emit code to evaluate all the non-constant subexpressions and to store 12443ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block // them into the newly cloned array. 1245f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke for (int i = 0; i < length; i++) { 12463ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block Expression* subexpr = subexprs->at(i); 12473ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block // If the subexpression is a literal or a simple materialized literal it 12483ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block // is already set in the cloned array. 12493ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block if (subexpr->AsLiteral() != NULL || 12503ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block CompileTimeValue::IsCompileTimeValue(subexpr)) { 12513ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block continue; 12523ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block } 12533ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block 12543ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block if (!result_saved) { 12553ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block __ push(r0); 12563ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block result_saved = true; 12573ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block } 1258e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke VisitForValue(subexpr, kAccumulator); 12593ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block 12603ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block // Store the subexpression value in the array's elements. 12613ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block __ ldr(r1, MemOperand(sp)); // Copy of array literal. 12623ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block __ ldr(r1, FieldMemOperand(r1, JSObject::kElementsOffset)); 12633ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block int offset = FixedArray::kHeaderSize + (i * kPointerSize); 1264e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ str(result_register(), FieldMemOperand(r1, offset)); 12653ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block 12663ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block // Update the write barrier for the array store with r0 as the scratch 12673ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block // register. 12689dcf7e2f83591d471e88bf7d230651900b8e424bKristian Monsen __ RecordWrite(r1, Operand(offset), r2, result_register()); 12693ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block } 12703ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block 1271e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke if (result_saved) { 1272e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke ApplyTOS(context_); 1273e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke } else { 1274e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke Apply(context_, r0); 12753ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block } 12763ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block} 12773ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block 12783ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block 1279402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescuvoid FullCodeGenerator::VisitAssignment(Assignment* expr) { 1280402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu Comment cmnt(masm_, "[ Assignment"); 1281f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Invalid left-hand sides are rewritten to have a 'throw ReferenceError' 1282f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // on the left-hand side. 1283f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke if (!expr->target()->IsValidLeftHandSide()) { 1284f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke VisitForEffect(expr->target()); 1285f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke return; 1286f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke } 1287f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 1288402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu // Left-hand side can only be a property, a global or a (parameter or local) 1289402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu // slot. Variables with rewrite to .arguments are treated as KEYED_PROPERTY. 1290402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu enum LhsKind { VARIABLE, NAMED_PROPERTY, KEYED_PROPERTY }; 1291402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu LhsKind assign_type = VARIABLE; 1292402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu Property* prop = expr->target()->AsProperty(); 1293402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu if (prop != NULL) { 1294402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu assign_type = 1295402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu (prop->key()->IsPropertyName()) ? NAMED_PROPERTY : KEYED_PROPERTY; 1296402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu } 1297402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu 1298402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu // Evaluate LHS expression. 1299402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu switch (assign_type) { 1300402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu case VARIABLE: 1301402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu // Nothing to do here. 1302402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu break; 1303402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu case NAMED_PROPERTY: 1304402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu if (expr->is_compound()) { 1305402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu // We need the receiver both on the stack and in the accumulator. 1306402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu VisitForValue(prop->obj(), kAccumulator); 1307402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu __ push(result_register()); 1308402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu } else { 1309402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu VisitForValue(prop->obj(), kStack); 1310402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu } 1311402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu break; 1312402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu case KEYED_PROPERTY: 131325f6136652d8341ed047e7fc1a450af5bd218ea9Kristian Monsen // We need the key and receiver on both the stack and in r0 and r1. 131425f6136652d8341ed047e7fc1a450af5bd218ea9Kristian Monsen if (expr->is_compound()) { 131525f6136652d8341ed047e7fc1a450af5bd218ea9Kristian Monsen VisitForValue(prop->obj(), kStack); 131625f6136652d8341ed047e7fc1a450af5bd218ea9Kristian Monsen VisitForValue(prop->key(), kAccumulator); 131725f6136652d8341ed047e7fc1a450af5bd218ea9Kristian Monsen __ ldr(r1, MemOperand(sp, 0)); 131825f6136652d8341ed047e7fc1a450af5bd218ea9Kristian Monsen __ push(r0); 131925f6136652d8341ed047e7fc1a450af5bd218ea9Kristian Monsen } else { 132025f6136652d8341ed047e7fc1a450af5bd218ea9Kristian Monsen VisitForValue(prop->obj(), kStack); 132125f6136652d8341ed047e7fc1a450af5bd218ea9Kristian Monsen VisitForValue(prop->key(), kStack); 132225f6136652d8341ed047e7fc1a450af5bd218ea9Kristian Monsen } 1323402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu break; 1324402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu } 1325402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu 1326402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu // If we have a compound assignment: Get value of LHS expression and 1327402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu // store in on top of the stack. 1328402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu if (expr->is_compound()) { 1329402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu Location saved_location = location_; 1330402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu location_ = kStack; 1331402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu switch (assign_type) { 1332402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu case VARIABLE: 1333402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu EmitVariableLoad(expr->target()->AsVariableProxy()->var(), 1334402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu Expression::kValue); 1335402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu break; 1336402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu case NAMED_PROPERTY: 1337402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu EmitNamedPropertyLoad(prop); 1338402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu __ push(result_register()); 1339402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu break; 1340402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu case KEYED_PROPERTY: 1341402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu EmitKeyedPropertyLoad(prop); 1342402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu __ push(result_register()); 1343402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu break; 1344402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu } 1345402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu location_ = saved_location; 1346402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu } 1347402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu 1348402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu // Evaluate RHS expression. 1349402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu Expression* rhs = expr->value(); 1350402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu VisitForValue(rhs, kAccumulator); 1351402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu 1352402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu // If we have a compound assignment: Apply operator. 1353402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu if (expr->is_compound()) { 1354402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu Location saved_location = location_; 1355402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu location_ = kAccumulator; 1356402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu EmitBinaryOp(expr->binary_op(), Expression::kValue); 1357402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu location_ = saved_location; 1358402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu } 1359402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu 1360402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu // Record source position before possible IC call. 1361402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu SetSourcePosition(expr->position()); 1362402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu 1363402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu // Store the value. 1364402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu switch (assign_type) { 1365402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu case VARIABLE: 1366402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu EmitVariableAssignment(expr->target()->AsVariableProxy()->var(), 1367f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke expr->op(), 1368402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu context_); 1369402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu break; 1370402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu case NAMED_PROPERTY: 1371402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu EmitNamedPropertyAssignment(expr); 1372402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu break; 1373402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu case KEYED_PROPERTY: 1374402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu EmitKeyedPropertyAssignment(expr); 1375402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu break; 1376402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu } 1377402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu} 1378402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu 1379402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu 1380d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarkevoid FullCodeGenerator::EmitNamedPropertyLoad(Property* prop) { 1381e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke SetSourcePosition(prop->position()); 1382e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke Literal* key = prop->key()->AsLiteral(); 1383e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ mov(r2, Operand(key->handle())); 1384f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Call load IC. It has arguments receiver and property name r0 and r2. 1385e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke Handle<Code> ic(Builtins::builtin(Builtins::LoadIC_Initialize)); 1386e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ Call(ic, RelocInfo::CODE_TARGET); 1387e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke} 1388e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke 1389e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke 1390d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarkevoid FullCodeGenerator::EmitKeyedPropertyLoad(Property* prop) { 1391e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke SetSourcePosition(prop->position()); 139225f6136652d8341ed047e7fc1a450af5bd218ea9Kristian Monsen // Call keyed load IC. It has arguments key and receiver in r0 and r1. 1393e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke Handle<Code> ic(Builtins::builtin(Builtins::KeyedLoadIC_Initialize)); 1394e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ Call(ic, RelocInfo::CODE_TARGET); 1395e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke} 1396e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke 1397e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke 1398d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarkevoid FullCodeGenerator::EmitBinaryOp(Token::Value op, 1399e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke Expression::Context context) { 1400e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ pop(r1); 14016ded16be15dd865a9b21ea304d5273c8be299c87Steve Block GenericBinaryOpStub stub(op, NO_OVERWRITE, r1, r0); 1402e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ CallStub(&stub); 1403e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke Apply(context, r0); 1404e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke} 1405e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke 1406e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke 1407f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarkevoid FullCodeGenerator::EmitAssignment(Expression* expr) { 1408f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Invalid left-hand sides are rewritten to have a 'throw 1409f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // ReferenceError' on the left-hand side. 1410f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke if (!expr->IsValidLeftHandSide()) { 1411f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke VisitForEffect(expr); 1412f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke return; 1413f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke } 1414f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 1415f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Left-hand side can only be a property, a global or a (parameter or local) 1416f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // slot. Variables with rewrite to .arguments are treated as KEYED_PROPERTY. 1417f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke enum LhsKind { VARIABLE, NAMED_PROPERTY, KEYED_PROPERTY }; 1418f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke LhsKind assign_type = VARIABLE; 1419f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Property* prop = expr->AsProperty(); 1420f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke if (prop != NULL) { 1421f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke assign_type = (prop->key()->IsPropertyName()) 1422f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke ? NAMED_PROPERTY 1423f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke : KEYED_PROPERTY; 1424f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke } 1425f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 1426f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke switch (assign_type) { 1427f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke case VARIABLE: { 1428f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Variable* var = expr->AsVariableProxy()->var(); 1429f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke EmitVariableAssignment(var, Token::ASSIGN, Expression::kEffect); 1430f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke break; 1431f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke } 1432f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke case NAMED_PROPERTY: { 1433f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ push(r0); // Preserve value. 1434f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke VisitForValue(prop->obj(), kAccumulator); 1435f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ mov(r1, r0); 1436f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ pop(r0); // Restore value. 1437f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ mov(r2, Operand(prop->key()->AsLiteral()->handle())); 1438f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Handle<Code> ic(Builtins::builtin(Builtins::StoreIC_Initialize)); 1439f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ Call(ic, RelocInfo::CODE_TARGET); 1440f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke break; 1441f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke } 1442f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke case KEYED_PROPERTY: { 1443f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ push(r0); // Preserve value. 1444f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke VisitForValue(prop->obj(), kStack); 1445f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke VisitForValue(prop->key(), kAccumulator); 1446f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ mov(r1, r0); 1447f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ pop(r2); 1448f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ pop(r0); // Restore value. 1449f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Handle<Code> ic(Builtins::builtin(Builtins::KeyedStoreIC_Initialize)); 1450f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ Call(ic, RelocInfo::CODE_TARGET); 1451f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke break; 1452f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke } 1453f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke } 1454f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke} 1455f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 1456f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 1457d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarkevoid FullCodeGenerator::EmitVariableAssignment(Variable* var, 1458f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Token::Value op, 1459e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke Expression::Context context) { 1460f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Left-hand sides that rewrite to explicit property accesses do not reach 1461f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // here. 14623ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block ASSERT(var != NULL); 14633ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block ASSERT(var->is_global() || var->slot() != NULL); 1464d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarke 14653ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block if (var->is_global()) { 1466d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarke ASSERT(!var->is_this()); 1467d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block // Assignment to a global variable. Use inline caching for the 1468d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block // assignment. Right-hand-side value is passed in r0, variable name in 1469402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu // r2, and the global object in r1. 14703ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block __ mov(r2, Operand(var->name())); 1471402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu __ ldr(r1, CodeGenerator::GlobalObject()); 14723ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block Handle<Code> ic(Builtins::builtin(Builtins::StoreIC_Initialize)); 14733ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block __ Call(ic, RelocInfo::CODE_TARGET); 1474d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 1475f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke } else if (var->mode() != Variable::CONST || op == Token::INIT_CONST) { 1476f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Perform the assignment for non-const variables and for initialization 1477f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // of const variables. Const assignments are simply skipped. 1478f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Label done; 1479d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block Slot* slot = var->slot(); 1480d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block switch (slot->type()) { 1481e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke case Slot::PARAMETER: 1482f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke case Slot::LOCAL: 1483f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke if (op == Token::INIT_CONST) { 1484f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Detect const reinitialization by checking for the hole value. 1485f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ ldr(r1, MemOperand(fp, SlotOffset(slot))); 1486f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ LoadRoot(ip, Heap::kTheHoleValueRootIndex); 1487f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ cmp(r1, ip); 1488f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ b(ne, &done); 1489f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke } 1490f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Perform the assignment. 1491e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ str(result_register(), MemOperand(fp, SlotOffset(slot))); 1492d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block break; 1493d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 1494d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block case Slot::CONTEXT: { 1495e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke MemOperand target = EmitSlotSearch(slot, r1); 1496f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke if (op == Token::INIT_CONST) { 1497f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Detect const reinitialization by checking for the hole value. 1498f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ ldr(r2, target); 1499f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ LoadRoot(ip, Heap::kTheHoleValueRootIndex); 1500f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ cmp(r2, ip); 1501f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ b(ne, &done); 1502f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke } 1503f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Perform the assignment and issue the write barrier. 1504e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ str(result_register(), target); 1505d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block // RecordWrite may destroy all its register arguments. 1506e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ mov(r3, result_register()); 1507d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block int offset = FixedArray::kHeaderSize + slot->index() * kPointerSize; 15089dcf7e2f83591d471e88bf7d230651900b8e424bKristian Monsen __ RecordWrite(r1, Operand(offset), r2, r3); 1509d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block break; 15103ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block } 1511d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 1512d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block case Slot::LOOKUP: 1513f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Call the runtime for the assignment. The runtime will ignore 1514f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // const reinitialization. 1515f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ push(r0); // Value. 1516f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ mov(r0, Operand(slot->var()->name())); 1517f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ Push(cp, r0); // Context and name. 1518f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke if (op == Token::INIT_CONST) { 1519f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // The runtime will ignore const redeclaration. 1520f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ CallRuntime(Runtime::kInitializeConstContextSlot, 3); 1521f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke } else { 1522f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ CallRuntime(Runtime::kStoreContextSlot, 3); 1523f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke } 1524d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block break; 15253ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block } 1526f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ bind(&done); 15273ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block } 1528f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 1529402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu Apply(context, result_register()); 15303ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block} 15313ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block 15323ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block 1533d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarkevoid FullCodeGenerator::EmitNamedPropertyAssignment(Assignment* expr) { 1534d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block // Assignment to a property, using a named store IC. 1535d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block Property* prop = expr->target()->AsProperty(); 1536d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block ASSERT(prop != NULL); 1537d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block ASSERT(prop->key()->AsLiteral() != NULL); 15383ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block 1539d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block // If the assignment starts a block of assignments to the same object, 1540d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block // change to slow case to avoid the quadratic behavior of repeatedly 1541d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block // adding fast properties. 1542d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block if (expr->starts_initialization_block()) { 1543e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ push(result_register()); 1544e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ ldr(ip, MemOperand(sp, kPointerSize)); // Receiver is now under value. 1545d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ push(ip); 1546d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ CallRuntime(Runtime::kToSlowProperties, 1); 1547e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ pop(result_register()); 1548d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } 1549d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 1550e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke // Record source code position before IC call. 1551e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke SetSourcePosition(expr->position()); 1552d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ mov(r2, Operand(prop->key()->AsLiteral()->handle())); 1553f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Load receiver to r1. Leave a copy in the stack if needed for turning the 1554f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // receiver into fast case. 1555402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu if (expr->ends_initialization_block()) { 1556402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu __ ldr(r1, MemOperand(sp)); 1557402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu } else { 1558402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu __ pop(r1); 1559402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu } 1560402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu 1561d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block Handle<Code> ic(Builtins::builtin(Builtins::StoreIC_Initialize)); 1562d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ Call(ic, RelocInfo::CODE_TARGET); 1563d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 1564d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block // If the assignment ends an initialization block, revert to fast case. 1565d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block if (expr->ends_initialization_block()) { 1566d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ push(r0); // Result of assignment, saved even if not needed. 1567f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Receiver is under the result value. 1568f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ ldr(ip, MemOperand(sp, kPointerSize)); 1569d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ push(ip); 1570d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ CallRuntime(Runtime::kToFastProperties, 1); 1571d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ pop(r0); 1572402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu DropAndApply(1, context_, r0); 1573402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu } else { 1574402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu Apply(context_, r0); 1575d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } 1576d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block} 1577d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 1578d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 1579d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarkevoid FullCodeGenerator::EmitKeyedPropertyAssignment(Assignment* expr) { 1580d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block // Assignment to a property, using a keyed store IC. 1581d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 1582d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block // If the assignment starts a block of assignments to the same object, 1583d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block // change to slow case to avoid the quadratic behavior of repeatedly 1584d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block // adding fast properties. 1585d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block if (expr->starts_initialization_block()) { 1586e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ push(result_register()); 1587e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke // Receiver is now under the key and value. 1588d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ ldr(ip, MemOperand(sp, 2 * kPointerSize)); 1589d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ push(ip); 1590d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ CallRuntime(Runtime::kToSlowProperties, 1); 1591e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ pop(result_register()); 1592d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } 1593d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 1594e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke // Record source code position before IC call. 1595e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke SetSourcePosition(expr->position()); 1596f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ pop(r1); // Key. 1597f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Load receiver to r2. Leave a copy in the stack if needed for turning the 1598f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // receiver into fast case. 1599f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke if (expr->ends_initialization_block()) { 1600f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ ldr(r2, MemOperand(sp)); 1601f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke } else { 1602f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ pop(r2); 1603f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke } 1604f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 1605d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block Handle<Code> ic(Builtins::builtin(Builtins::KeyedStoreIC_Initialize)); 1606d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ Call(ic, RelocInfo::CODE_TARGET); 1607d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 1608d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block // If the assignment ends an initialization block, revert to fast case. 1609d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block if (expr->ends_initialization_block()) { 1610d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ push(r0); // Result of assignment, saved even if not needed. 1611f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Receiver is under the result value. 1612f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ ldr(ip, MemOperand(sp, kPointerSize)); 1613d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ push(ip); 1614d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ CallRuntime(Runtime::kToFastProperties, 1); 1615d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ pop(r0); 1616f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke DropAndApply(1, context_, r0); 1617f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke } else { 1618f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Apply(context_, r0); 1619d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } 1620d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block} 1621d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 1622d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 1623d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarkevoid FullCodeGenerator::VisitProperty(Property* expr) { 1624d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block Comment cmnt(masm_, "[ Property"); 1625d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block Expression* key = expr->key(); 1626d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 1627e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke if (key->IsPropertyName()) { 1628f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke VisitForValue(expr->obj(), kAccumulator); 1629e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke EmitNamedPropertyLoad(expr); 1630f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Apply(context_, r0); 1631d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } else { 1632f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke VisitForValue(expr->obj(), kStack); 163325f6136652d8341ed047e7fc1a450af5bd218ea9Kristian Monsen VisitForValue(expr->key(), kAccumulator); 163425f6136652d8341ed047e7fc1a450af5bd218ea9Kristian Monsen __ pop(r1); 1635e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke EmitKeyedPropertyLoad(expr); 163625f6136652d8341ed047e7fc1a450af5bd218ea9Kristian Monsen Apply(context_, r0); 1637d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } 1638d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block} 1639d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 1640d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarkevoid FullCodeGenerator::EmitCallWithIC(Call* expr, 1641402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu Handle<Object> name, 1642e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke RelocInfo::Mode mode) { 1643d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block // Code common for calls using the IC. 1644d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block ZoneList<Expression*>* args = expr->arguments(); 16453ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block int arg_count = args->length(); 16463ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block for (int i = 0; i < arg_count; i++) { 1647e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke VisitForValue(args->at(i), kStack); 16483ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block } 1649402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu __ mov(r2, Operand(name)); 1650d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block // Record source position for debugger. 16513ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block SetSourcePosition(expr->position()); 16523ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block // Call the IC initialization code. 1653402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu InLoopFlag in_loop = (loop_depth() > 0) ? IN_LOOP : NOT_IN_LOOP; 1654402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu Handle<Code> ic = CodeGenerator::ComputeCallInitialize(arg_count, in_loop); 1655e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ Call(ic, mode); 1656d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block // Restore context register. 1657d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ ldr(cp, MemOperand(fp, StandardFrameConstants::kContextOffset)); 1658402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu Apply(context_, r0); 1659d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block} 1660d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 1661d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 16629dcf7e2f83591d471e88bf7d230651900b8e424bKristian Monsenvoid FullCodeGenerator::EmitKeyedCallWithIC(Call* expr, 16639dcf7e2f83591d471e88bf7d230651900b8e424bKristian Monsen Expression* key, 16649dcf7e2f83591d471e88bf7d230651900b8e424bKristian Monsen RelocInfo::Mode mode) { 16659dcf7e2f83591d471e88bf7d230651900b8e424bKristian Monsen // Code common for calls using the IC. 16669dcf7e2f83591d471e88bf7d230651900b8e424bKristian Monsen ZoneList<Expression*>* args = expr->arguments(); 16679dcf7e2f83591d471e88bf7d230651900b8e424bKristian Monsen int arg_count = args->length(); 16689dcf7e2f83591d471e88bf7d230651900b8e424bKristian Monsen for (int i = 0; i < arg_count; i++) { 16699dcf7e2f83591d471e88bf7d230651900b8e424bKristian Monsen VisitForValue(args->at(i), kStack); 16709dcf7e2f83591d471e88bf7d230651900b8e424bKristian Monsen } 16719dcf7e2f83591d471e88bf7d230651900b8e424bKristian Monsen VisitForValue(key, kAccumulator); 16729dcf7e2f83591d471e88bf7d230651900b8e424bKristian Monsen __ mov(r2, r0); 16739dcf7e2f83591d471e88bf7d230651900b8e424bKristian Monsen // Record source position for debugger. 16749dcf7e2f83591d471e88bf7d230651900b8e424bKristian Monsen SetSourcePosition(expr->position()); 16759dcf7e2f83591d471e88bf7d230651900b8e424bKristian Monsen // Call the IC initialization code. 16769dcf7e2f83591d471e88bf7d230651900b8e424bKristian Monsen InLoopFlag in_loop = (loop_depth() > 0) ? IN_LOOP : NOT_IN_LOOP; 16779dcf7e2f83591d471e88bf7d230651900b8e424bKristian Monsen Handle<Code> ic = CodeGenerator::ComputeKeyedCallInitialize(arg_count, 16789dcf7e2f83591d471e88bf7d230651900b8e424bKristian Monsen in_loop); 16799dcf7e2f83591d471e88bf7d230651900b8e424bKristian Monsen __ Call(ic, mode); 16809dcf7e2f83591d471e88bf7d230651900b8e424bKristian Monsen // Restore context register. 16819dcf7e2f83591d471e88bf7d230651900b8e424bKristian Monsen __ ldr(cp, MemOperand(fp, StandardFrameConstants::kContextOffset)); 16829dcf7e2f83591d471e88bf7d230651900b8e424bKristian Monsen Apply(context_, r0); 16839dcf7e2f83591d471e88bf7d230651900b8e424bKristian Monsen} 16849dcf7e2f83591d471e88bf7d230651900b8e424bKristian Monsen 16859dcf7e2f83591d471e88bf7d230651900b8e424bKristian Monsen 1686d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarkevoid FullCodeGenerator::EmitCallWithStub(Call* expr) { 1687d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block // Code common for calls using the call stub. 1688d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block ZoneList<Expression*>* args = expr->arguments(); 1689d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block int arg_count = args->length(); 1690d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block for (int i = 0; i < arg_count; i++) { 1691e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke VisitForValue(args->at(i), kStack); 1692d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } 1693d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block // Record source position for debugger. 1694d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block SetSourcePosition(expr->position()); 1695f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke InLoopFlag in_loop = (loop_depth() > 0) ? IN_LOOP : NOT_IN_LOOP; 1696f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke CallFunctionStub stub(arg_count, in_loop, RECEIVER_MIGHT_BE_VALUE); 1697d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ CallStub(&stub); 16983ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block // Restore context register. 16993ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block __ ldr(cp, MemOperand(fp, StandardFrameConstants::kContextOffset)); 1700e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke DropAndApply(1, context_, r0); 1701d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block} 1702d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 1703d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 1704d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarkevoid FullCodeGenerator::VisitCall(Call* expr) { 1705d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block Comment cmnt(masm_, "[ Call"); 1706d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block Expression* fun = expr->expression(); 1707d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block Variable* var = fun->AsVariableProxy()->AsVariable(); 1708d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 1709d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block if (var != NULL && var->is_possibly_eval()) { 1710f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // In a call to eval, we first call %ResolvePossiblyDirectEval to 1711f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // resolve the function we need to call and the receiver of the 1712f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // call. Then we call the resolved function using the given 1713f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // arguments. 1714f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke VisitForValue(fun, kStack); 1715f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ LoadRoot(r2, Heap::kUndefinedValueRootIndex); 1716f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ push(r2); // Reserved receiver slot. 1717f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 1718f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Push the arguments. 1719f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke ZoneList<Expression*>* args = expr->arguments(); 1720f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke int arg_count = args->length(); 1721f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke for (int i = 0; i < arg_count; i++) { 1722f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke VisitForValue(args->at(i), kStack); 1723f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke } 1724f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 1725f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Push copy of the function - found below the arguments. 1726f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ ldr(r1, MemOperand(sp, (arg_count + 1) * kPointerSize)); 1727f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ push(r1); 1728f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 1729f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Push copy of the first argument or undefined if it doesn't exist. 1730f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke if (arg_count > 0) { 1731f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ ldr(r1, MemOperand(sp, arg_count * kPointerSize)); 1732f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ push(r1); 1733f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke } else { 1734f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ push(r2); 1735f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke } 1736f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 1737f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Push the receiver of the enclosing function and do runtime call. 1738f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ ldr(r1, MemOperand(fp, (2 + scope()->num_parameters()) * kPointerSize)); 1739f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ push(r1); 1740f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ CallRuntime(Runtime::kResolvePossiblyDirectEval, 3); 1741f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 1742f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // The runtime call returns a pair of values in r0 (function) and 1743f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // r1 (receiver). Touch up the stack with the right values. 1744f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ str(r0, MemOperand(sp, (arg_count + 1) * kPointerSize)); 1745f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ str(r1, MemOperand(sp, arg_count * kPointerSize)); 1746f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 1747f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Record source position for debugger. 1748f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke SetSourcePosition(expr->position()); 1749f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke InLoopFlag in_loop = (loop_depth() > 0) ? IN_LOOP : NOT_IN_LOOP; 1750f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke CallFunctionStub stub(arg_count, in_loop, RECEIVER_MIGHT_BE_VALUE); 1751f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ CallStub(&stub); 1752f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Restore context register. 1753f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ ldr(cp, MemOperand(fp, StandardFrameConstants::kContextOffset)); 1754f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke DropAndApply(1, context_, r0); 1755d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } else if (var != NULL && !var->is_this() && var->is_global()) { 1756402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu // Push global object as receiver for the call IC. 1757d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ ldr(r0, CodeGenerator::GlobalObject()); 1758402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu __ push(r0); 1759e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke EmitCallWithIC(expr, var->name(), RelocInfo::CODE_TARGET_CONTEXT); 1760d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } else if (var != NULL && var->slot() != NULL && 1761d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block var->slot()->type() == Slot::LOOKUP) { 1762f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Call to a lookup slot (dynamically introduced variable). Call the 1763f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // runtime to find the function to call (returned in eax) and the object 1764f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // holding it (returned in edx). 1765f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ push(context_register()); 1766f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ mov(r2, Operand(var->name())); 1767f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ push(r2); 1768f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ CallRuntime(Runtime::kLoadContextSlot, 2); 1769f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ push(r0); // Function. 1770f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ push(r1); // Receiver. 1771f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke EmitCallWithStub(expr); 1772d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } else if (fun->AsProperty() != NULL) { 1773d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block // Call to an object property. 1774d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block Property* prop = fun->AsProperty(); 1775d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block Literal* key = prop->key()->AsLiteral(); 1776d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block if (key != NULL && key->handle()->IsSymbol()) { 1777d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block // Call to a named property, use call IC. 1778e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke VisitForValue(prop->obj(), kStack); 1779e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke EmitCallWithIC(expr, key->handle(), RelocInfo::CODE_TARGET); 1780d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } else { 17819dcf7e2f83591d471e88bf7d230651900b8e424bKristian Monsen // Call to a keyed property. 17829dcf7e2f83591d471e88bf7d230651900b8e424bKristian Monsen // For a synthetic property use keyed load IC followed by function call, 17839dcf7e2f83591d471e88bf7d230651900b8e424bKristian Monsen // for a regular property use keyed CallIC. 1784e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke VisitForValue(prop->obj(), kStack); 178525f6136652d8341ed047e7fc1a450af5bd218ea9Kristian Monsen if (prop->is_synthetic()) { 17869dcf7e2f83591d471e88bf7d230651900b8e424bKristian Monsen VisitForValue(prop->key(), kAccumulator); 17879dcf7e2f83591d471e88bf7d230651900b8e424bKristian Monsen // Record source code position for IC call. 17889dcf7e2f83591d471e88bf7d230651900b8e424bKristian Monsen SetSourcePosition(prop->position()); 178925f6136652d8341ed047e7fc1a450af5bd218ea9Kristian Monsen __ pop(r1); // We do not need to keep the receiver. 179025f6136652d8341ed047e7fc1a450af5bd218ea9Kristian Monsen 17919dcf7e2f83591d471e88bf7d230651900b8e424bKristian Monsen Handle<Code> ic(Builtins::builtin(Builtins::KeyedLoadIC_Initialize)); 17929dcf7e2f83591d471e88bf7d230651900b8e424bKristian Monsen __ Call(ic, RelocInfo::CODE_TARGET); 179325f6136652d8341ed047e7fc1a450af5bd218ea9Kristian Monsen // Push result (function). 179425f6136652d8341ed047e7fc1a450af5bd218ea9Kristian Monsen __ push(r0); 179525f6136652d8341ed047e7fc1a450af5bd218ea9Kristian Monsen // Push Global receiver. 1796d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ ldr(r1, CodeGenerator::GlobalObject()); 1797e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ ldr(r1, FieldMemOperand(r1, GlobalObject::kGlobalReceiverOffset)); 179825f6136652d8341ed047e7fc1a450af5bd218ea9Kristian Monsen __ push(r1); 17999dcf7e2f83591d471e88bf7d230651900b8e424bKristian Monsen EmitCallWithStub(expr); 1800d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } else { 18019dcf7e2f83591d471e88bf7d230651900b8e424bKristian Monsen EmitKeyedCallWithIC(expr, prop->key(), RelocInfo::CODE_TARGET); 1802d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } 1803d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } 18043ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block } else { 1805d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block // Call to some other expression. If the expression is an anonymous 1806d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block // function literal not called in a loop, mark it as one that should 1807d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block // also use the fast code generator. 1808d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block FunctionLiteral* lit = fun->AsFunctionLiteral(); 1809d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block if (lit != NULL && 1810d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block lit->name()->Equals(Heap::empty_string()) && 1811d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block loop_depth() == 0) { 1812d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarke lit->set_try_full_codegen(true); 1813d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } 1814e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke VisitForValue(fun, kStack); 1815d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block // Load global receiver object. 1816d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ ldr(r1, CodeGenerator::GlobalObject()); 1817d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ ldr(r1, FieldMemOperand(r1, GlobalObject::kGlobalReceiverOffset)); 1818d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ push(r1); 1819d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block // Emit function call. 1820d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block EmitCallWithStub(expr); 18213ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block } 18223ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block} 18233ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block 18243ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block 1825d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarkevoid FullCodeGenerator::VisitCallNew(CallNew* expr) { 1826d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block Comment cmnt(masm_, "[ CallNew"); 1827d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block // According to ECMA-262, section 11.2.2, page 44, the function 1828d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block // expression in new calls must be evaluated before the 1829d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block // arguments. 1830d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block // Push function on the stack. 1831e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke VisitForValue(expr->expression(), kStack); 1832d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 1833d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block // Push global object (receiver). 1834d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ ldr(r0, CodeGenerator::GlobalObject()); 1835d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ push(r0); 1836d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block // Push the arguments ("left-to-right") on the stack. 1837d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block ZoneList<Expression*>* args = expr->arguments(); 1838d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block int arg_count = args->length(); 1839d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block for (int i = 0; i < arg_count; i++) { 1840e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke VisitForValue(args->at(i), kStack); 1841d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } 1842d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 1843d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block // Call the construct call builtin that handles allocation and 1844d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block // constructor invocation. 1845d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block SetSourcePosition(expr->position()); 1846d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 1847d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block // Load function, arg_count into r1 and r0. 1848d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ mov(r0, Operand(arg_count)); 1849e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke // Function is in sp[arg_count + 1]. 1850d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ ldr(r1, MemOperand(sp, (arg_count + 1) * kPointerSize)); 1851d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 1852d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block Handle<Code> construct_builtin(Builtins::builtin(Builtins::JSConstructCall)); 1853d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ Call(construct_builtin, RelocInfo::CONSTRUCT_CALL); 1854d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 1855d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block // Replace function on TOS with result in r0, or pop it. 1856e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke DropAndApply(1, context_, r0); 1857d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block} 1858d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 1859d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 1860f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarkevoid FullCodeGenerator::EmitIsSmi(ZoneList<Expression*>* args) { 1861f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke ASSERT(args->length() == 1); 1862f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 1863f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke VisitForValue(args->at(0), kAccumulator); 1864f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 1865f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Label materialize_true, materialize_false; 1866f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Label* if_true = NULL; 1867f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Label* if_false = NULL; 1868f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke PrepareTest(&materialize_true, &materialize_false, &if_true, &if_false); 1869f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 1870f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ BranchOnSmi(r0, if_true); 1871f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ b(if_false); 1872f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 1873f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Apply(context_, if_true, if_false); 1874f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke} 1875f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 1876f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 1877f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarkevoid FullCodeGenerator::EmitIsNonNegativeSmi(ZoneList<Expression*>* args) { 1878f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke ASSERT(args->length() == 1); 1879f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 1880f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke VisitForValue(args->at(0), kAccumulator); 1881f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 1882f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Label materialize_true, materialize_false; 1883f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Label* if_true = NULL; 1884f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Label* if_false = NULL; 1885f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke PrepareTest(&materialize_true, &materialize_false, &if_true, &if_false); 1886f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 1887f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ tst(r0, Operand(kSmiTagMask | 0x80000000)); 1888f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ b(eq, if_true); 1889f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ b(if_false); 1890f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 1891f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Apply(context_, if_true, if_false); 1892f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke} 1893f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 1894f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 1895f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarkevoid FullCodeGenerator::EmitIsObject(ZoneList<Expression*>* args) { 1896f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke ASSERT(args->length() == 1); 1897f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 1898f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke VisitForValue(args->at(0), kAccumulator); 1899f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 1900f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Label materialize_true, materialize_false; 1901f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Label* if_true = NULL; 1902f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Label* if_false = NULL; 1903f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke PrepareTest(&materialize_true, &materialize_false, &if_true, &if_false); 1904f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ BranchOnSmi(r0, if_false); 1905f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ LoadRoot(ip, Heap::kNullValueRootIndex); 1906f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ cmp(r0, ip); 1907f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ b(eq, if_true); 1908f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ ldr(r2, FieldMemOperand(r0, HeapObject::kMapOffset)); 1909f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Undetectable objects behave like undefined when tested with typeof. 1910f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ ldrb(r1, FieldMemOperand(r2, Map::kBitFieldOffset)); 1911f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ tst(r1, Operand(1 << Map::kIsUndetectable)); 1912f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ b(ne, if_false); 1913f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ ldrb(r1, FieldMemOperand(r2, Map::kInstanceTypeOffset)); 1914f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ cmp(r1, Operand(FIRST_JS_OBJECT_TYPE)); 1915f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ b(lt, if_false); 1916f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ cmp(r1, Operand(LAST_JS_OBJECT_TYPE)); 1917f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ b(le, if_true); 1918f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ b(if_false); 1919f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 1920f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Apply(context_, if_true, if_false); 1921f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke} 1922f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 1923f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 19243bec4d28b1f388dbc06a9c4276e1a03e86c52b04Ben Murdochvoid FullCodeGenerator::EmitIsSpecObject(ZoneList<Expression*>* args) { 19253bec4d28b1f388dbc06a9c4276e1a03e86c52b04Ben Murdoch ASSERT(args->length() == 1); 19263bec4d28b1f388dbc06a9c4276e1a03e86c52b04Ben Murdoch 19273bec4d28b1f388dbc06a9c4276e1a03e86c52b04Ben Murdoch VisitForValue(args->at(0), kAccumulator); 19283bec4d28b1f388dbc06a9c4276e1a03e86c52b04Ben Murdoch 19293bec4d28b1f388dbc06a9c4276e1a03e86c52b04Ben Murdoch Label materialize_true, materialize_false; 19303bec4d28b1f388dbc06a9c4276e1a03e86c52b04Ben Murdoch Label* if_true = NULL; 19313bec4d28b1f388dbc06a9c4276e1a03e86c52b04Ben Murdoch Label* if_false = NULL; 19323bec4d28b1f388dbc06a9c4276e1a03e86c52b04Ben Murdoch PrepareTest(&materialize_true, &materialize_false, &if_true, &if_false); 19333bec4d28b1f388dbc06a9c4276e1a03e86c52b04Ben Murdoch 19343bec4d28b1f388dbc06a9c4276e1a03e86c52b04Ben Murdoch __ BranchOnSmi(r0, if_false); 19353bec4d28b1f388dbc06a9c4276e1a03e86c52b04Ben Murdoch __ CompareObjectType(r0, r1, r1, FIRST_JS_OBJECT_TYPE); 19363bec4d28b1f388dbc06a9c4276e1a03e86c52b04Ben Murdoch __ b(ge, if_true); 19373bec4d28b1f388dbc06a9c4276e1a03e86c52b04Ben Murdoch __ b(if_false); 19383bec4d28b1f388dbc06a9c4276e1a03e86c52b04Ben Murdoch 19393bec4d28b1f388dbc06a9c4276e1a03e86c52b04Ben Murdoch Apply(context_, if_true, if_false); 19403bec4d28b1f388dbc06a9c4276e1a03e86c52b04Ben Murdoch} 19413bec4d28b1f388dbc06a9c4276e1a03e86c52b04Ben Murdoch 19423bec4d28b1f388dbc06a9c4276e1a03e86c52b04Ben Murdoch 1943f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarkevoid FullCodeGenerator::EmitIsUndetectableObject(ZoneList<Expression*>* args) { 1944f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke ASSERT(args->length() == 1); 1945f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 1946f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke VisitForValue(args->at(0), kAccumulator); 1947f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 1948f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Label materialize_true, materialize_false; 1949f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Label* if_true = NULL; 1950f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Label* if_false = NULL; 1951f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke PrepareTest(&materialize_true, &materialize_false, &if_true, &if_false); 1952f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 1953f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ BranchOnSmi(r0, if_false); 1954f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ ldr(r1, FieldMemOperand(r0, HeapObject::kMapOffset)); 1955f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ ldrb(r1, FieldMemOperand(r1, Map::kBitFieldOffset)); 1956f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ tst(r1, Operand(1 << Map::kIsUndetectable)); 1957f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ b(ne, if_true); 1958f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ b(if_false); 1959f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 1960f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Apply(context_, if_true, if_false); 1961f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke} 1962f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 1963f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 1964756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrickvoid FullCodeGenerator::EmitIsStringWrapperSafeForDefaultValueOf( 1965756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick ZoneList<Expression*>* args) { 1966756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick 1967756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick ASSERT(args->length() == 1); 1968756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick 1969756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick VisitForValue(args->at(0), kAccumulator); 1970756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick 1971756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick Label materialize_true, materialize_false; 1972756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick Label* if_true = NULL; 1973756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick Label* if_false = NULL; 1974756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick PrepareTest(&materialize_true, &materialize_false, &if_true, &if_false); 1975756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick 1976756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick // Just indicate false, as %_IsStringWrapperSafeForDefaultValueOf() is only 1977756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick // used in a few functions in runtime.js which should not normally be hit by 1978756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick // this compiler. 1979756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick __ jmp(if_false); 1980756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick Apply(context_, if_true, if_false); 1981756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick} 1982756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick 1983756813857a4c2a4d8ad2e805969d5768d3cf43a0Iain Merrick 1984f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarkevoid FullCodeGenerator::EmitIsFunction(ZoneList<Expression*>* args) { 1985f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke ASSERT(args->length() == 1); 1986f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 1987f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke VisitForValue(args->at(0), kAccumulator); 1988f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 1989f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Label materialize_true, materialize_false; 1990f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Label* if_true = NULL; 1991f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Label* if_false = NULL; 1992f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke PrepareTest(&materialize_true, &materialize_false, &if_true, &if_false); 1993f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 1994f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ BranchOnSmi(r0, if_false); 1995f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ CompareObjectType(r0, r1, r1, JS_FUNCTION_TYPE); 1996f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ b(eq, if_true); 1997f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ b(if_false); 1998f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 1999f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Apply(context_, if_true, if_false); 2000f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke} 2001f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2002f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2003f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarkevoid FullCodeGenerator::EmitIsArray(ZoneList<Expression*>* args) { 2004f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke ASSERT(args->length() == 1); 2005f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2006f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke VisitForValue(args->at(0), kAccumulator); 2007f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2008f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Label materialize_true, materialize_false; 2009f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Label* if_true = NULL; 2010f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Label* if_false = NULL; 2011f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke PrepareTest(&materialize_true, &materialize_false, &if_true, &if_false); 2012f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2013f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ BranchOnSmi(r0, if_false); 2014f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ CompareObjectType(r0, r1, r1, JS_ARRAY_TYPE); 2015f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ b(eq, if_true); 2016f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ b(if_false); 2017f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2018f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Apply(context_, if_true, if_false); 2019f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke} 2020f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2021f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2022f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarkevoid FullCodeGenerator::EmitIsRegExp(ZoneList<Expression*>* args) { 2023f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke ASSERT(args->length() == 1); 2024f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2025f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke VisitForValue(args->at(0), kAccumulator); 2026f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2027f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Label materialize_true, materialize_false; 2028f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Label* if_true = NULL; 2029f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Label* if_false = NULL; 2030f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke PrepareTest(&materialize_true, &materialize_false, &if_true, &if_false); 2031f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2032f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ BranchOnSmi(r0, if_false); 2033f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ CompareObjectType(r0, r1, r1, JS_REGEXP_TYPE); 2034f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ b(eq, if_true); 2035f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ b(if_false); 2036f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2037f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Apply(context_, if_true, if_false); 2038f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke} 2039f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2040f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2041f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2042f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarkevoid FullCodeGenerator::EmitIsConstructCall(ZoneList<Expression*>* args) { 2043f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke ASSERT(args->length() == 0); 2044f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2045f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Label materialize_true, materialize_false; 2046f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Label* if_true = NULL; 2047f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Label* if_false = NULL; 2048f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke PrepareTest(&materialize_true, &materialize_false, &if_true, &if_false); 2049f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2050f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Get the frame pointer for the calling frame. 2051f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ ldr(r2, MemOperand(fp, StandardFrameConstants::kCallerFPOffset)); 2052f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2053f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Skip the arguments adaptor frame if it exists. 2054f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Label check_frame_marker; 2055f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ ldr(r1, MemOperand(r2, StandardFrameConstants::kContextOffset)); 2056f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ cmp(r1, Operand(Smi::FromInt(StackFrame::ARGUMENTS_ADAPTOR))); 2057f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ b(ne, &check_frame_marker); 2058f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ ldr(r2, MemOperand(r2, StandardFrameConstants::kCallerFPOffset)); 2059f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2060f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Check the marker in the calling frame. 2061f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ bind(&check_frame_marker); 2062f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ ldr(r1, MemOperand(r2, StandardFrameConstants::kMarkerOffset)); 2063f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ cmp(r1, Operand(Smi::FromInt(StackFrame::CONSTRUCT))); 2064f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ b(eq, if_true); 2065f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ b(if_false); 2066f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2067f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Apply(context_, if_true, if_false); 2068f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke} 2069f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2070f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2071f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarkevoid FullCodeGenerator::EmitObjectEquals(ZoneList<Expression*>* args) { 2072f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke ASSERT(args->length() == 2); 2073f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2074f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Load the two objects into registers and perform the comparison. 2075f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke VisitForValue(args->at(0), kStack); 2076f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke VisitForValue(args->at(1), kAccumulator); 2077f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2078f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Label materialize_true, materialize_false; 2079f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Label* if_true = NULL; 2080f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Label* if_false = NULL; 2081f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke PrepareTest(&materialize_true, &materialize_false, &if_true, &if_false); 2082f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2083f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ pop(r1); 2084f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ cmp(r0, r1); 2085f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ b(eq, if_true); 2086f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ b(if_false); 2087f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2088f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Apply(context_, if_true, if_false); 2089f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke} 2090f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2091f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2092f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarkevoid FullCodeGenerator::EmitArguments(ZoneList<Expression*>* args) { 2093f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke ASSERT(args->length() == 1); 2094f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2095f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // ArgumentsAccessStub expects the key in edx and the formal 2096f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // parameter count in eax. 2097f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke VisitForValue(args->at(0), kAccumulator); 2098f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ mov(r1, r0); 2099f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ mov(r0, Operand(Smi::FromInt(scope()->num_parameters()))); 2100f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke ArgumentsAccessStub stub(ArgumentsAccessStub::READ_ELEMENT); 2101f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ CallStub(&stub); 2102f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Apply(context_, r0); 2103f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke} 2104f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2105f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2106f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarkevoid FullCodeGenerator::EmitArgumentsLength(ZoneList<Expression*>* args) { 2107f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke ASSERT(args->length() == 0); 2108f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2109f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Label exit; 2110f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Get the number of formal parameters. 2111f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ mov(r0, Operand(Smi::FromInt(scope()->num_parameters()))); 2112f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2113f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Check if the calling frame is an arguments adaptor frame. 2114f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ ldr(r2, MemOperand(fp, StandardFrameConstants::kCallerFPOffset)); 2115f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ ldr(r3, MemOperand(r2, StandardFrameConstants::kContextOffset)); 2116f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ cmp(r3, Operand(Smi::FromInt(StackFrame::ARGUMENTS_ADAPTOR))); 2117f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ b(ne, &exit); 2118f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2119f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Arguments adaptor case: Read the arguments length from the 2120f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // adaptor frame. 2121f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ ldr(r0, MemOperand(r2, ArgumentsAdaptorFrameConstants::kLengthOffset)); 2122f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2123f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ bind(&exit); 2124f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Apply(context_, r0); 2125f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke} 2126f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2127f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2128f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarkevoid FullCodeGenerator::EmitClassOf(ZoneList<Expression*>* args) { 2129f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke ASSERT(args->length() == 1); 2130f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Label done, null, function, non_function_constructor; 2131f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2132f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke VisitForValue(args->at(0), kAccumulator); 2133f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2134f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // If the object is a smi, we return null. 2135f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ BranchOnSmi(r0, &null); 2136f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2137f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Check that the object is a JS object but take special care of JS 2138f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // functions to make sure they have 'Function' as their class. 2139f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ CompareObjectType(r0, r0, r1, FIRST_JS_OBJECT_TYPE); // Map is now in r0. 2140f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ b(lt, &null); 2141f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2142f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // As long as JS_FUNCTION_TYPE is the last instance type and it is 2143f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // right after LAST_JS_OBJECT_TYPE, we can avoid checking for 2144f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // LAST_JS_OBJECT_TYPE. 2145f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke ASSERT(LAST_TYPE == JS_FUNCTION_TYPE); 2146f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke ASSERT(JS_FUNCTION_TYPE == LAST_JS_OBJECT_TYPE + 1); 2147f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ cmp(r1, Operand(JS_FUNCTION_TYPE)); 2148f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ b(eq, &function); 2149f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2150f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Check if the constructor in the map is a function. 2151f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ ldr(r0, FieldMemOperand(r0, Map::kConstructorOffset)); 2152f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ CompareObjectType(r0, r1, r1, JS_FUNCTION_TYPE); 2153f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ b(ne, &non_function_constructor); 2154f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2155f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // r0 now contains the constructor function. Grab the 2156f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // instance class name from there. 2157f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ ldr(r0, FieldMemOperand(r0, JSFunction::kSharedFunctionInfoOffset)); 2158f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ ldr(r0, FieldMemOperand(r0, SharedFunctionInfo::kInstanceClassNameOffset)); 2159f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ b(&done); 2160f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2161f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Functions have class 'Function'. 2162f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ bind(&function); 2163f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ LoadRoot(r0, Heap::kfunction_class_symbolRootIndex); 2164f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ jmp(&done); 2165f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2166f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Objects with a non-function constructor have class 'Object'. 2167f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ bind(&non_function_constructor); 2168f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ LoadRoot(r0, Heap::kfunction_class_symbolRootIndex); 2169f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ jmp(&done); 2170f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2171f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Non-JS objects have class null. 2172f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ bind(&null); 2173f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ LoadRoot(r0, Heap::kNullValueRootIndex); 2174f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2175f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // All done. 2176f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ bind(&done); 2177f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2178f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Apply(context_, r0); 2179f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke} 2180f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2181f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2182f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarkevoid FullCodeGenerator::EmitLog(ZoneList<Expression*>* args) { 2183f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Conditionally generate a log call. 2184f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Args: 2185f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // 0 (literal string): The type of logging (corresponds to the flags). 2186f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // This is used to determine whether or not to generate the log call. 2187f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // 1 (string): Format string. Access the string at argument index 2 2188f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // with '%2s' (see Logger::LogRuntime for all the formats). 2189f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // 2 (array): Arguments to the format string. 2190f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke ASSERT_EQ(args->length(), 3); 2191f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke#ifdef ENABLE_LOGGING_AND_PROFILING 2192f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke if (CodeGenerator::ShouldGenerateLog(args->at(0))) { 2193f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke VisitForValue(args->at(1), kStack); 2194f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke VisitForValue(args->at(2), kStack); 2195f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ CallRuntime(Runtime::kLog, 2); 2196f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke } 2197f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke#endif 2198f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Finally, we're expected to leave a value on the top of the stack. 2199f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ LoadRoot(r0, Heap::kUndefinedValueRootIndex); 2200f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Apply(context_, r0); 2201f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke} 2202f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2203f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2204f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarkevoid FullCodeGenerator::EmitRandomHeapNumber(ZoneList<Expression*>* args) { 2205f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke ASSERT(args->length() == 0); 2206f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2207f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Label slow_allocate_heapnumber; 2208f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Label heapnumber_allocated; 2209f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 22109dcf7e2f83591d471e88bf7d230651900b8e424bKristian Monsen __ LoadRoot(r6, Heap::kHeapNumberMapRootIndex); 22119dcf7e2f83591d471e88bf7d230651900b8e424bKristian Monsen __ AllocateHeapNumber(r4, r1, r2, r6, &slow_allocate_heapnumber); 2212f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ jmp(&heapnumber_allocated); 2213f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2214f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ bind(&slow_allocate_heapnumber); 22153bec4d28b1f388dbc06a9c4276e1a03e86c52b04Ben Murdoch // Allocate a heap number. 22163bec4d28b1f388dbc06a9c4276e1a03e86c52b04Ben Murdoch __ CallRuntime(Runtime::kNumberAlloc, 0); 2217f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ mov(r4, Operand(r0)); 2218f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2219f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ bind(&heapnumber_allocated); 2220f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2221f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Convert 32 random bits in r0 to 0.(32 random bits) in a double 2222f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // by computing: 2223f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // ( 1.(20 0s)(32 random bits) x 2^20 ) - (1.0 x 2^20)). 2224f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke if (CpuFeatures::IsSupported(VFP3)) { 2225f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ PrepareCallCFunction(0, r1); 2226f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ CallCFunction(ExternalReference::random_uint32_function(), 0); 2227f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2228f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke CpuFeatures::Scope scope(VFP3); 2229f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // 0x41300000 is the top half of 1.0 x 2^20 as a double. 2230f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Create this constant using mov/orr to avoid PC relative load. 2231f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ mov(r1, Operand(0x41000000)); 2232f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ orr(r1, r1, Operand(0x300000)); 2233f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Move 0x41300000xxxxxxxx (x = random bits) to VFP. 2234f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ vmov(d7, r0, r1); 2235f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Move 0x4130000000000000 to VFP. 2236f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ mov(r0, Operand(0)); 2237f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ vmov(d8, r0, r1); 2238f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Subtract and store the result in the heap number. 2239f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ vsub(d7, d7, d8); 2240f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ sub(r0, r4, Operand(kHeapObjectTag)); 2241f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ vstr(d7, r0, HeapNumber::kValueOffset); 2242f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ mov(r0, r4); 2243f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke } else { 2244f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ mov(r0, Operand(r4)); 2245f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ PrepareCallCFunction(1, r1); 2246f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ CallCFunction( 2247f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke ExternalReference::fill_heap_number_with_random_function(), 1); 2248f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke } 2249f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2250f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Apply(context_, r0); 2251f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke} 2252f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2253f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2254f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarkevoid FullCodeGenerator::EmitSubString(ZoneList<Expression*>* args) { 2255f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Load the arguments on the stack and call the stub. 2256f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke SubStringStub stub; 2257f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke ASSERT(args->length() == 3); 2258f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke VisitForValue(args->at(0), kStack); 2259f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke VisitForValue(args->at(1), kStack); 2260f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke VisitForValue(args->at(2), kStack); 2261f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ CallStub(&stub); 2262f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Apply(context_, r0); 2263f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke} 2264f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2265f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2266f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarkevoid FullCodeGenerator::EmitRegExpExec(ZoneList<Expression*>* args) { 2267f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Load the arguments on the stack and call the stub. 2268f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke RegExpExecStub stub; 2269f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke ASSERT(args->length() == 4); 2270f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke VisitForValue(args->at(0), kStack); 2271f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke VisitForValue(args->at(1), kStack); 2272f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke VisitForValue(args->at(2), kStack); 2273f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke VisitForValue(args->at(3), kStack); 2274f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ CallStub(&stub); 2275f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Apply(context_, r0); 2276f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke} 2277f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2278f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2279f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarkevoid FullCodeGenerator::EmitValueOf(ZoneList<Expression*>* args) { 2280f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke ASSERT(args->length() == 1); 2281f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2282f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke VisitForValue(args->at(0), kAccumulator); // Load the object. 2283f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2284f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Label done; 2285f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // If the object is a smi return the object. 2286f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ BranchOnSmi(r0, &done); 2287f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // If the object is not a value type, return the object. 2288f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ CompareObjectType(r0, r1, r1, JS_VALUE_TYPE); 2289f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ b(ne, &done); 2290f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ ldr(r0, FieldMemOperand(r0, JSValue::kValueOffset)); 2291f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2292f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ bind(&done); 2293f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Apply(context_, r0); 2294f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke} 2295f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2296f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2297f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarkevoid FullCodeGenerator::EmitMathPow(ZoneList<Expression*>* args) { 2298f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Load the arguments on the stack and call the runtime function. 2299f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke ASSERT(args->length() == 2); 2300f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke VisitForValue(args->at(0), kStack); 2301f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke VisitForValue(args->at(1), kStack); 2302f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ CallRuntime(Runtime::kMath_pow, 2); 2303f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Apply(context_, r0); 2304f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke} 2305f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2306f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2307f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarkevoid FullCodeGenerator::EmitSetValueOf(ZoneList<Expression*>* args) { 2308f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke ASSERT(args->length() == 2); 2309f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2310f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke VisitForValue(args->at(0), kStack); // Load the object. 2311f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke VisitForValue(args->at(1), kAccumulator); // Load the value. 2312f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ pop(r1); // r0 = value. r1 = object. 2313f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2314f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Label done; 2315f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // If the object is a smi, return the value. 2316f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ BranchOnSmi(r1, &done); 2317f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2318f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // If the object is not a value type, return the value. 2319f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ CompareObjectType(r1, r2, r2, JS_VALUE_TYPE); 2320f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ b(ne, &done); 2321f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2322f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Store the value. 2323f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ str(r0, FieldMemOperand(r1, JSValue::kValueOffset)); 2324f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Update the write barrier. Save the value as it will be 2325f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // overwritten by the write barrier code and is needed afterward. 23269dcf7e2f83591d471e88bf7d230651900b8e424bKristian Monsen __ RecordWrite(r1, Operand(JSValue::kValueOffset - kHeapObjectTag), r2, r3); 2327f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2328f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ bind(&done); 2329f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Apply(context_, r0); 2330f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke} 2331f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2332f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2333f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarkevoid FullCodeGenerator::EmitNumberToString(ZoneList<Expression*>* args) { 2334f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke ASSERT_EQ(args->length(), 1); 2335f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2336f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Load the argument on the stack and call the stub. 2337f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke VisitForValue(args->at(0), kStack); 2338f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2339f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke NumberToStringStub stub; 2340f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ CallStub(&stub); 2341f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Apply(context_, r0); 2342f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke} 2343f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2344f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 23457f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdochvoid FullCodeGenerator::EmitStringCharFromCode(ZoneList<Expression*>* args) { 2346f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke ASSERT(args->length() == 1); 2347f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2348f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke VisitForValue(args->at(0), kAccumulator); 2349f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 23507f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch Label done; 23517f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch StringCharFromCodeGenerator generator(r0, r1); 23527f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch generator.GenerateFast(masm_); 23537f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch __ jmp(&done); 2354f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 23557f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch NopRuntimeCallHelper call_helper; 23567f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch generator.GenerateSlow(masm_, call_helper); 2357f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2358f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ bind(&done); 23597f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch Apply(context_, r1); 2360f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke} 2361f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2362f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 23637f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdochvoid FullCodeGenerator::EmitStringCharCodeAt(ZoneList<Expression*>* args) { 23647f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch ASSERT(args->length() == 2); 23657f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch 23667f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch VisitForValue(args->at(0), kStack); 23677f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch VisitForValue(args->at(1), kAccumulator); 23687f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch 23697f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch Register object = r1; 23707f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch Register index = r0; 23717f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch Register scratch = r2; 23727f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch Register result = r3; 23737f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch 23747f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch __ pop(object); 23757f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch 23767f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch Label need_conversion; 23777f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch Label index_out_of_range; 23787f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch Label done; 23797f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch StringCharCodeAtGenerator generator(object, 23807f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch index, 23817f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch scratch, 23827f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch result, 23837f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch &need_conversion, 23847f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch &need_conversion, 23857f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch &index_out_of_range, 23867f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch STRING_INDEX_IS_NUMBER); 23877f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch generator.GenerateFast(masm_); 23887f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch __ jmp(&done); 23897f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch 23907f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch __ bind(&index_out_of_range); 23917f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch // When the index is out of range, the spec requires us to return 23927f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch // NaN. 23937f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch __ LoadRoot(result, Heap::kNanValueRootIndex); 23947f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch __ jmp(&done); 23957f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch 23967f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch __ bind(&need_conversion); 23977f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch // Load the undefined value into the result register, which will 23987f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch // trigger conversion. 23997f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch __ LoadRoot(result, Heap::kUndefinedValueRootIndex); 24007f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch __ jmp(&done); 24017f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch 24027f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch NopRuntimeCallHelper call_helper; 24037f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch generator.GenerateSlow(masm_, call_helper); 24047f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch 24057f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch __ bind(&done); 24067f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch Apply(context_, result); 24077f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch} 24087f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch 24097f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch 24107f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdochvoid FullCodeGenerator::EmitStringCharAt(ZoneList<Expression*>* args) { 24117f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch ASSERT(args->length() == 2); 24127f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch 24137f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch VisitForValue(args->at(0), kStack); 24147f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch VisitForValue(args->at(1), kAccumulator); 24157f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch 24167f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch Register object = r1; 24177f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch Register index = r0; 24187f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch Register scratch1 = r2; 24197f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch Register scratch2 = r3; 24207f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch Register result = r0; 24217f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch 24227f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch __ pop(object); 24237f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch 24247f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch Label need_conversion; 24257f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch Label index_out_of_range; 24267f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch Label done; 24277f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch StringCharAtGenerator generator(object, 24287f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch index, 24297f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch scratch1, 24307f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch scratch2, 24317f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch result, 24327f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch &need_conversion, 24337f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch &need_conversion, 24347f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch &index_out_of_range, 24357f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch STRING_INDEX_IS_NUMBER); 24367f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch generator.GenerateFast(masm_); 24377f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch __ jmp(&done); 24387f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch 24397f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch __ bind(&index_out_of_range); 24407f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch // When the index is out of range, the spec requires us to return 24417f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch // the empty string. 24427f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch __ LoadRoot(result, Heap::kEmptyStringRootIndex); 24437f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch __ jmp(&done); 24447f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch 24457f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch __ bind(&need_conversion); 24467f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch // Move smi zero into the result register, which will trigger 24477f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch // conversion. 24487f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch __ mov(result, Operand(Smi::FromInt(0))); 24497f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch __ jmp(&done); 24507f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch 24517f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch NopRuntimeCallHelper call_helper; 24527f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch generator.GenerateSlow(masm_, call_helper); 24537f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch 24547f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch __ bind(&done); 24557f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch Apply(context_, result); 2456f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke} 2457f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 24587f4d5bd8c03935e2c0cd412e561b8fc5a6a880aeBen Murdoch 2459f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarkevoid FullCodeGenerator::EmitStringAdd(ZoneList<Expression*>* args) { 2460f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke ASSERT_EQ(2, args->length()); 2461f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2462f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke VisitForValue(args->at(0), kStack); 2463f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke VisitForValue(args->at(1), kStack); 2464f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2465f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke StringAddStub stub(NO_STRING_ADD_FLAGS); 2466f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ CallStub(&stub); 2467f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Apply(context_, r0); 2468f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke} 2469f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2470f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2471f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarkevoid FullCodeGenerator::EmitStringCompare(ZoneList<Expression*>* args) { 2472f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke ASSERT_EQ(2, args->length()); 2473f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2474f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke VisitForValue(args->at(0), kStack); 2475f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke VisitForValue(args->at(1), kStack); 2476f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2477f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke StringCompareStub stub; 2478f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ CallStub(&stub); 2479f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Apply(context_, r0); 2480f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke} 2481f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2482f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2483f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarkevoid FullCodeGenerator::EmitMathSin(ZoneList<Expression*>* args) { 2484f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Load the argument on the stack and call the runtime. 2485f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke ASSERT(args->length() == 1); 2486f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke VisitForValue(args->at(0), kStack); 2487f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ CallRuntime(Runtime::kMath_sin, 1); 2488f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Apply(context_, r0); 2489f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke} 2490f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2491f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2492f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarkevoid FullCodeGenerator::EmitMathCos(ZoneList<Expression*>* args) { 2493f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Load the argument on the stack and call the runtime. 2494f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke ASSERT(args->length() == 1); 2495f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke VisitForValue(args->at(0), kStack); 2496f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ CallRuntime(Runtime::kMath_cos, 1); 2497f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Apply(context_, r0); 2498f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke} 2499f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2500f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2501f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarkevoid FullCodeGenerator::EmitMathSqrt(ZoneList<Expression*>* args) { 2502f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Load the argument on the stack and call the runtime function. 2503f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke ASSERT(args->length() == 1); 2504f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke VisitForValue(args->at(0), kStack); 2505f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ CallRuntime(Runtime::kMath_sqrt, 1); 2506f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Apply(context_, r0); 2507f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke} 2508f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2509f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2510f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarkevoid FullCodeGenerator::EmitCallFunction(ZoneList<Expression*>* args) { 2511f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke ASSERT(args->length() >= 2); 2512f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2513f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke int arg_count = args->length() - 2; // For receiver and function. 2514f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke VisitForValue(args->at(0), kStack); // Receiver. 2515f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke for (int i = 0; i < arg_count; i++) { 2516f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke VisitForValue(args->at(i + 1), kStack); 2517f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke } 2518f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke VisitForValue(args->at(arg_count + 1), kAccumulator); // Function. 2519f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2520f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // InvokeFunction requires function in r1. Move it in there. 2521f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke if (!result_register().is(r1)) __ mov(r1, result_register()); 2522f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke ParameterCount count(arg_count); 2523f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ InvokeFunction(r1, count, CALL_FUNCTION); 2524f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ ldr(cp, MemOperand(fp, StandardFrameConstants::kContextOffset)); 2525f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Apply(context_, r0); 2526f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke} 2527f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2528f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2529f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarkevoid FullCodeGenerator::EmitRegExpConstructResult(ZoneList<Expression*>* args) { 2530f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke ASSERT(args->length() == 3); 2531f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke VisitForValue(args->at(0), kStack); 2532f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke VisitForValue(args->at(1), kStack); 2533f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke VisitForValue(args->at(2), kStack); 2534f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ CallRuntime(Runtime::kRegExpConstructResult, 3); 2535f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Apply(context_, r0); 2536f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke} 2537f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2538f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2539f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarkevoid FullCodeGenerator::EmitSwapElements(ZoneList<Expression*>* args) { 2540f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke ASSERT(args->length() == 3); 2541f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke VisitForValue(args->at(0), kStack); 2542f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke VisitForValue(args->at(1), kStack); 2543f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke VisitForValue(args->at(2), kStack); 2544f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ CallRuntime(Runtime::kSwapElements, 3); 2545f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Apply(context_, r0); 2546f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke} 2547f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2548f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2549f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarkevoid FullCodeGenerator::EmitGetFromCache(ZoneList<Expression*>* args) { 2550f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke ASSERT_EQ(2, args->length()); 2551f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2552f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke ASSERT_NE(NULL, args->at(0)->AsLiteral()); 2553f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke int cache_id = Smi::cast(*(args->at(0)->AsLiteral()->handle()))->value(); 2554f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2555f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Handle<FixedArray> jsfunction_result_caches( 2556f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Top::global_context()->jsfunction_result_caches()); 2557f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke if (jsfunction_result_caches->length() <= cache_id) { 2558f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ Abort("Attempt to use undefined cache."); 2559f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ LoadRoot(r0, Heap::kUndefinedValueRootIndex); 2560f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Apply(context_, r0); 2561f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke return; 2562f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke } 2563f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2564f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke VisitForValue(args->at(1), kAccumulator); 2565f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2566f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Register key = r0; 2567f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Register cache = r1; 2568f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ ldr(cache, CodeGenerator::ContextOperand(cp, Context::GLOBAL_INDEX)); 2569f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ ldr(cache, FieldMemOperand(cache, GlobalObject::kGlobalContextOffset)); 2570f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ ldr(cache, 2571f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke CodeGenerator::ContextOperand( 2572f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke cache, Context::JSFUNCTION_RESULT_CACHES_INDEX)); 2573f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ ldr(cache, 2574f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke FieldMemOperand(cache, FixedArray::OffsetOfElementAt(cache_id))); 2575f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2576f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2577f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Label done, not_found; 2578f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // tmp now holds finger offset as a smi. 2579f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke ASSERT(kSmiTag == 0 && kSmiTagSize == 1); 2580f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ ldr(r2, FieldMemOperand(cache, JSFunctionResultCache::kFingerOffset)); 2581f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // r2 now holds finger offset as a smi. 2582f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ add(r3, cache, Operand(FixedArray::kHeaderSize - kHeapObjectTag)); 2583f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // r3 now points to the start of fixed array elements. 2584f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ ldr(r2, MemOperand(r3, r2, LSL, kPointerSizeLog2 - kSmiTagSize, PreIndex)); 2585f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Note side effect of PreIndex: r3 now points to the key of the pair. 2586f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ cmp(key, r2); 2587f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ b(ne, ¬_found); 2588f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2589f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ ldr(r0, MemOperand(r3, kPointerSize)); 2590f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ b(&done); 2591f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2592f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ bind(¬_found); 2593f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Call runtime to perform the lookup. 2594f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ Push(cache, key); 2595f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ CallRuntime(Runtime::kGetFromCache, 2); 2596f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2597f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ bind(&done); 2598f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Apply(context_, r0); 2599f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke} 2600f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2601f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2602bb769b257e753aafcbd96767abb2abc645eaa20cBen Murdochvoid FullCodeGenerator::EmitIsRegExpEquivalent(ZoneList<Expression*>* args) { 2603bb769b257e753aafcbd96767abb2abc645eaa20cBen Murdoch ASSERT_EQ(2, args->length()); 2604bb769b257e753aafcbd96767abb2abc645eaa20cBen Murdoch 2605bb769b257e753aafcbd96767abb2abc645eaa20cBen Murdoch Register right = r0; 2606bb769b257e753aafcbd96767abb2abc645eaa20cBen Murdoch Register left = r1; 2607bb769b257e753aafcbd96767abb2abc645eaa20cBen Murdoch Register tmp = r2; 2608bb769b257e753aafcbd96767abb2abc645eaa20cBen Murdoch Register tmp2 = r3; 2609bb769b257e753aafcbd96767abb2abc645eaa20cBen Murdoch 2610bb769b257e753aafcbd96767abb2abc645eaa20cBen Murdoch VisitForValue(args->at(0), kStack); 2611bb769b257e753aafcbd96767abb2abc645eaa20cBen Murdoch VisitForValue(args->at(1), kAccumulator); 2612bb769b257e753aafcbd96767abb2abc645eaa20cBen Murdoch __ pop(left); 2613bb769b257e753aafcbd96767abb2abc645eaa20cBen Murdoch 2614bb769b257e753aafcbd96767abb2abc645eaa20cBen Murdoch Label done, fail, ok; 2615bb769b257e753aafcbd96767abb2abc645eaa20cBen Murdoch __ cmp(left, Operand(right)); 2616bb769b257e753aafcbd96767abb2abc645eaa20cBen Murdoch __ b(eq, &ok); 2617bb769b257e753aafcbd96767abb2abc645eaa20cBen Murdoch // Fail if either is a non-HeapObject. 2618bb769b257e753aafcbd96767abb2abc645eaa20cBen Murdoch __ and_(tmp, left, Operand(right)); 2619bb769b257e753aafcbd96767abb2abc645eaa20cBen Murdoch __ tst(tmp, Operand(kSmiTagMask)); 2620bb769b257e753aafcbd96767abb2abc645eaa20cBen Murdoch __ b(eq, &fail); 2621bb769b257e753aafcbd96767abb2abc645eaa20cBen Murdoch __ ldr(tmp, FieldMemOperand(left, HeapObject::kMapOffset)); 2622bb769b257e753aafcbd96767abb2abc645eaa20cBen Murdoch __ ldrb(tmp2, FieldMemOperand(tmp, Map::kInstanceTypeOffset)); 2623bb769b257e753aafcbd96767abb2abc645eaa20cBen Murdoch __ cmp(tmp2, Operand(JS_REGEXP_TYPE)); 2624bb769b257e753aafcbd96767abb2abc645eaa20cBen Murdoch __ b(ne, &fail); 2625bb769b257e753aafcbd96767abb2abc645eaa20cBen Murdoch __ ldr(tmp2, FieldMemOperand(right, HeapObject::kMapOffset)); 2626bb769b257e753aafcbd96767abb2abc645eaa20cBen Murdoch __ cmp(tmp, Operand(tmp2)); 2627bb769b257e753aafcbd96767abb2abc645eaa20cBen Murdoch __ b(ne, &fail); 2628bb769b257e753aafcbd96767abb2abc645eaa20cBen Murdoch __ ldr(tmp, FieldMemOperand(left, JSRegExp::kDataOffset)); 2629bb769b257e753aafcbd96767abb2abc645eaa20cBen Murdoch __ ldr(tmp2, FieldMemOperand(right, JSRegExp::kDataOffset)); 2630bb769b257e753aafcbd96767abb2abc645eaa20cBen Murdoch __ cmp(tmp, tmp2); 2631bb769b257e753aafcbd96767abb2abc645eaa20cBen Murdoch __ b(eq, &ok); 2632bb769b257e753aafcbd96767abb2abc645eaa20cBen Murdoch __ bind(&fail); 2633bb769b257e753aafcbd96767abb2abc645eaa20cBen Murdoch __ LoadRoot(r0, Heap::kFalseValueRootIndex); 2634bb769b257e753aafcbd96767abb2abc645eaa20cBen Murdoch __ jmp(&done); 2635bb769b257e753aafcbd96767abb2abc645eaa20cBen Murdoch __ bind(&ok); 2636bb769b257e753aafcbd96767abb2abc645eaa20cBen Murdoch __ LoadRoot(r0, Heap::kTrueValueRootIndex); 2637bb769b257e753aafcbd96767abb2abc645eaa20cBen Murdoch __ bind(&done); 2638bb769b257e753aafcbd96767abb2abc645eaa20cBen Murdoch 2639bb769b257e753aafcbd96767abb2abc645eaa20cBen Murdoch Apply(context_, r0); 2640bb769b257e753aafcbd96767abb2abc645eaa20cBen Murdoch} 2641bb769b257e753aafcbd96767abb2abc645eaa20cBen Murdoch 2642bb769b257e753aafcbd96767abb2abc645eaa20cBen Murdoch 2643d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarkevoid FullCodeGenerator::VisitCallRuntime(CallRuntime* expr) { 2644f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Handle<String> name = expr->name(); 2645f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke if (name->length() > 0 && name->Get(0) == '_') { 2646f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Comment cmnt(masm_, "[ InlineRuntimeCall"); 2647f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke EmitInlineRuntimeCall(expr); 2648f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke return; 2649f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke } 2650f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 26513ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block Comment cmnt(masm_, "[ CallRuntime"); 26523ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block ZoneList<Expression*>* args = expr->arguments(); 26533ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block 2654d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block if (expr->is_jsruntime()) { 2655d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block // Prepare for calling JS runtime function. 2656d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ ldr(r0, CodeGenerator::GlobalObject()); 2657d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ ldr(r0, FieldMemOperand(r0, GlobalObject::kBuiltinsOffset)); 2658402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu __ push(r0); 2659d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } 26603ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block 26613ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block // Push the arguments ("left-to-right"). 26623ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block int arg_count = args->length(); 26633ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block for (int i = 0; i < arg_count; i++) { 2664e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke VisitForValue(args->at(i), kStack); 2665d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } 2666d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 2667d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block if (expr->is_jsruntime()) { 2668d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block // Call the JS runtime function. 2669402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu __ mov(r2, Operand(expr->name())); 2670d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block Handle<Code> ic = CodeGenerator::ComputeCallInitialize(arg_count, 2671d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block NOT_IN_LOOP); 2672d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ Call(ic, RelocInfo::CODE_TARGET); 2673d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block // Restore context register. 2674d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ ldr(cp, MemOperand(fp, StandardFrameConstants::kContextOffset)); 2675d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } else { 2676d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block // Call the C runtime function. 2677d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ CallRuntime(expr->function(), arg_count); 2678d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } 2679402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu Apply(context_, r0); 2680d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block} 2681d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 2682d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 2683d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarkevoid FullCodeGenerator::VisitUnaryOperation(UnaryOperation* expr) { 2684d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block switch (expr->op()) { 2685f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke case Token::DELETE: { 2686f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Comment cmnt(masm_, "[ UnaryOperation (DELETE)"); 2687f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Property* prop = expr->expression()->AsProperty(); 2688f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Variable* var = expr->expression()->AsVariableProxy()->AsVariable(); 2689f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke if (prop == NULL && var == NULL) { 2690f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Result of deleting non-property, non-variable reference is true. 2691f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // The subexpression may have side effects. 2692f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke VisitForEffect(expr->expression()); 2693f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Apply(context_, true); 2694f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke } else if (var != NULL && 2695f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke !var->is_global() && 2696f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke var->slot() != NULL && 2697f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke var->slot()->type() != Slot::LOOKUP) { 2698f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Result of deleting non-global, non-dynamic variables is false. 2699f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // The subexpression does not have side effects. 2700f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Apply(context_, false); 2701f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke } else { 2702f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Property or variable reference. Call the delete builtin with 2703f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // object and property name as arguments. 2704f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke if (prop != NULL) { 2705f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke VisitForValue(prop->obj(), kStack); 2706f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke VisitForValue(prop->key(), kStack); 2707f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke } else if (var->is_global()) { 2708f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ ldr(r1, CodeGenerator::GlobalObject()); 2709f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ mov(r0, Operand(var->name())); 2710f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ Push(r1, r0); 2711f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke } else { 2712f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Non-global variable. Call the runtime to look up the context 2713f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // where the variable was introduced. 2714f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ push(context_register()); 2715f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ mov(r2, Operand(var->name())); 2716f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ push(r2); 2717f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ CallRuntime(Runtime::kLookupContext, 2); 2718f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ push(r0); 2719f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ mov(r2, Operand(var->name())); 2720f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ push(r2); 2721f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke } 2722f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ InvokeBuiltin(Builtins::DELETE, CALL_JS); 2723f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Apply(context_, r0); 2724f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke } 2725f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke break; 2726f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke } 2727f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2728d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block case Token::VOID: { 2729d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block Comment cmnt(masm_, "[ UnaryOperation (VOID)"); 2730e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke VisitForEffect(expr->expression()); 2731e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke switch (context_) { 2732d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block case Expression::kUninitialized: 2733d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block UNREACHABLE(); 2734d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block break; 2735d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block case Expression::kEffect: 2736d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block break; 2737d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block case Expression::kValue: 2738e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ LoadRoot(result_register(), Heap::kUndefinedValueRootIndex); 2739e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke switch (location_) { 2740e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke case kAccumulator: 2741e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke break; 2742e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke case kStack: 2743e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ push(result_register()); 2744e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke break; 2745e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke } 2746d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block break; 2747d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block case Expression::kTestValue: 2748d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block // Value is false so it's needed. 2749e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ LoadRoot(result_register(), Heap::kUndefinedValueRootIndex); 2750e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke switch (location_) { 2751e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke case kAccumulator: 2752e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke break; 2753e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke case kStack: 2754e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ push(result_register()); 2755e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke break; 2756e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke } 2757e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke // Fall through. 2758e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke case Expression::kTest: 2759d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block case Expression::kValueTest: 2760d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ jmp(false_label_); 2761d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block break; 2762d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } 2763d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block break; 2764d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } 2765d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 2766d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block case Token::NOT: { 2767d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block Comment cmnt(masm_, "[ UnaryOperation (NOT)"); 2768f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Label materialize_true, materialize_false; 2769f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Label* if_true = NULL; 2770f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Label* if_false = NULL; 2771f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2772f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Notice that the labels are swapped. 2773f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke PrepareTest(&materialize_true, &materialize_false, &if_false, &if_true); 2774f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2775e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke VisitForControl(expr->expression(), if_true, if_false); 2776f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 2777e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke Apply(context_, if_false, if_true); // Labels swapped. 2778d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block break; 2779d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } 2780d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 2781d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block case Token::TYPEOF: { 2782d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block Comment cmnt(masm_, "[ UnaryOperation (TYPEOF)"); 2783d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block VariableProxy* proxy = expr->expression()->AsVariableProxy(); 2784d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block if (proxy != NULL && 2785d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block !proxy->var()->is_this() && 2786d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block proxy->var()->is_global()) { 2787d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block Comment cmnt(masm_, "Global variable"); 2788d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ ldr(r0, CodeGenerator::GlobalObject()); 2789d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ mov(r2, Operand(proxy->name())); 2790d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block Handle<Code> ic(Builtins::builtin(Builtins::LoadIC_Initialize)); 2791d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block // Use a regular load, not a contextual load, to avoid a reference 2792d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block // error. 2793d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ Call(ic, RelocInfo::CODE_TARGET); 2794f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ push(r0); 2795d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } else if (proxy != NULL && 2796d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block proxy->var()->slot() != NULL && 2797d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block proxy->var()->slot()->type() == Slot::LOOKUP) { 2798d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ mov(r0, Operand(proxy->name())); 2799f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ Push(cp, r0); 2800d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ CallRuntime(Runtime::kLoadContextSlotNoReferenceError, 2); 2801d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ push(r0); 2802d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } else { 2803d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block // This expression cannot throw a reference error at the top level. 2804e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke VisitForValue(expr->expression(), kStack); 2805d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } 2806d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 2807d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ CallRuntime(Runtime::kTypeof, 1); 2808e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke Apply(context_, r0); 2809d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block break; 28103ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block } 2811d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 2812d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarke case Token::ADD: { 2813d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarke Comment cmt(masm_, "[ UnaryOperation (ADD)"); 2814d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarke VisitForValue(expr->expression(), kAccumulator); 2815d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarke Label no_conversion; 2816d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarke __ tst(result_register(), Operand(kSmiTagMask)); 2817d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarke __ b(eq, &no_conversion); 2818d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarke __ push(r0); 2819d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarke __ InvokeBuiltin(Builtins::TO_NUMBER, CALL_JS); 2820d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarke __ bind(&no_conversion); 2821d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarke Apply(context_, result_register()); 2822d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarke break; 2823d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarke } 2824d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarke 28254515c472dc3e5ed2448a564600976759e569a0a8Leon Clarke case Token::SUB: { 28264515c472dc3e5ed2448a564600976759e569a0a8Leon Clarke Comment cmt(masm_, "[ UnaryOperation (SUB)"); 2827ac95265630a4e0c317a7a7201d17a57df7d9bcceLeon Clarke bool can_overwrite = 28284515c472dc3e5ed2448a564600976759e569a0a8Leon Clarke (expr->expression()->AsBinaryOperation() != NULL && 28294515c472dc3e5ed2448a564600976759e569a0a8Leon Clarke expr->expression()->AsBinaryOperation()->ResultOverwriteAllowed()); 2830ac95265630a4e0c317a7a7201d17a57df7d9bcceLeon Clarke UnaryOverwriteMode overwrite = 2831ac95265630a4e0c317a7a7201d17a57df7d9bcceLeon Clarke can_overwrite ? UNARY_OVERWRITE : UNARY_NO_OVERWRITE; 28324515c472dc3e5ed2448a564600976759e569a0a8Leon Clarke GenericUnaryOpStub stub(Token::SUB, overwrite); 28334515c472dc3e5ed2448a564600976759e569a0a8Leon Clarke // GenericUnaryOpStub expects the argument to be in the 28344515c472dc3e5ed2448a564600976759e569a0a8Leon Clarke // accumulator register r0. 28354515c472dc3e5ed2448a564600976759e569a0a8Leon Clarke VisitForValue(expr->expression(), kAccumulator); 28364515c472dc3e5ed2448a564600976759e569a0a8Leon Clarke __ CallStub(&stub); 28374515c472dc3e5ed2448a564600976759e569a0a8Leon Clarke Apply(context_, r0); 28384515c472dc3e5ed2448a564600976759e569a0a8Leon Clarke break; 28394515c472dc3e5ed2448a564600976759e569a0a8Leon Clarke } 28404515c472dc3e5ed2448a564600976759e569a0a8Leon Clarke 28414515c472dc3e5ed2448a564600976759e569a0a8Leon Clarke case Token::BIT_NOT: { 28424515c472dc3e5ed2448a564600976759e569a0a8Leon Clarke Comment cmt(masm_, "[ UnaryOperation (BIT_NOT)"); 2843ac95265630a4e0c317a7a7201d17a57df7d9bcceLeon Clarke bool can_overwrite = 28444515c472dc3e5ed2448a564600976759e569a0a8Leon Clarke (expr->expression()->AsBinaryOperation() != NULL && 28454515c472dc3e5ed2448a564600976759e569a0a8Leon Clarke expr->expression()->AsBinaryOperation()->ResultOverwriteAllowed()); 2846ac95265630a4e0c317a7a7201d17a57df7d9bcceLeon Clarke UnaryOverwriteMode overwrite = 2847ac95265630a4e0c317a7a7201d17a57df7d9bcceLeon Clarke can_overwrite ? UNARY_OVERWRITE : UNARY_NO_OVERWRITE; 28484515c472dc3e5ed2448a564600976759e569a0a8Leon Clarke GenericUnaryOpStub stub(Token::BIT_NOT, overwrite); 28494515c472dc3e5ed2448a564600976759e569a0a8Leon Clarke // GenericUnaryOpStub expects the argument to be in the 28504515c472dc3e5ed2448a564600976759e569a0a8Leon Clarke // accumulator register r0. 28514515c472dc3e5ed2448a564600976759e569a0a8Leon Clarke VisitForValue(expr->expression(), kAccumulator); 28524515c472dc3e5ed2448a564600976759e569a0a8Leon Clarke // Avoid calling the stub for Smis. 28534515c472dc3e5ed2448a564600976759e569a0a8Leon Clarke Label smi, done; 2854f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ BranchOnSmi(result_register(), &smi); 28554515c472dc3e5ed2448a564600976759e569a0a8Leon Clarke // Non-smi: call stub leaving result in accumulator register. 28564515c472dc3e5ed2448a564600976759e569a0a8Leon Clarke __ CallStub(&stub); 28574515c472dc3e5ed2448a564600976759e569a0a8Leon Clarke __ b(&done); 28584515c472dc3e5ed2448a564600976759e569a0a8Leon Clarke // Perform operation directly on Smis. 28594515c472dc3e5ed2448a564600976759e569a0a8Leon Clarke __ bind(&smi); 28604515c472dc3e5ed2448a564600976759e569a0a8Leon Clarke __ mvn(result_register(), Operand(result_register())); 28614515c472dc3e5ed2448a564600976759e569a0a8Leon Clarke // Bit-clear inverted smi-tag. 28624515c472dc3e5ed2448a564600976759e569a0a8Leon Clarke __ bic(result_register(), result_register(), Operand(kSmiTagMask)); 28634515c472dc3e5ed2448a564600976759e569a0a8Leon Clarke __ bind(&done); 28644515c472dc3e5ed2448a564600976759e569a0a8Leon Clarke Apply(context_, result_register()); 28654515c472dc3e5ed2448a564600976759e569a0a8Leon Clarke break; 28664515c472dc3e5ed2448a564600976759e569a0a8Leon Clarke } 28674515c472dc3e5ed2448a564600976759e569a0a8Leon Clarke 2868d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block default: 2869d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block UNREACHABLE(); 28703ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block } 2871d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block} 2872d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 2873d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 2874d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarkevoid FullCodeGenerator::VisitCountOperation(CountOperation* expr) { 2875d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block Comment cmnt(masm_, "[ CountOperation"); 2876f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Invalid left-hand sides are rewritten to have a 'throw ReferenceError' 2877f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // as the left-hand side. 2878f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke if (!expr->expression()->IsValidLeftHandSide()) { 2879f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke VisitForEffect(expr->expression()); 2880f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke return; 2881f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke } 2882d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 2883e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke // Expression can only be a property, a global or a (parameter or local) 2884e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke // slot. Variables with rewrite to .arguments are treated as KEYED_PROPERTY. 2885e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke enum LhsKind { VARIABLE, NAMED_PROPERTY, KEYED_PROPERTY }; 2886e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke LhsKind assign_type = VARIABLE; 2887e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke Property* prop = expr->expression()->AsProperty(); 2888e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke // In case of a property we use the uninitialized expression context 2889e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke // of the key to detect a named property. 2890e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke if (prop != NULL) { 2891e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke assign_type = 2892e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke (prop->key()->IsPropertyName()) ? NAMED_PROPERTY : KEYED_PROPERTY; 2893d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } 2894e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke 2895e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke // Evaluate expression and get value. 2896e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke if (assign_type == VARIABLE) { 2897e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke ASSERT(expr->expression()->AsVariableProxy()->var() != NULL); 2898e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke Location saved_location = location_; 2899d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarke location_ = kAccumulator; 2900e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke EmitVariableLoad(expr->expression()->AsVariableProxy()->var(), 2901e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke Expression::kValue); 2902e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke location_ = saved_location; 29033ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block } else { 2904e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke // Reserve space for result of postfix operation. 2905e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke if (expr->is_postfix() && context_ != Expression::kEffect) { 2906e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ mov(ip, Operand(Smi::FromInt(0))); 2907e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ push(ip); 2908e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke } 2909e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke if (assign_type == NAMED_PROPERTY) { 2910f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // Put the object both on the stack and in the accumulator. 2911f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke VisitForValue(prop->obj(), kAccumulator); 2912f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ push(r0); 2913e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke EmitNamedPropertyLoad(prop); 2914e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke } else { 2915f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke VisitForValue(prop->obj(), kStack); 291625f6136652d8341ed047e7fc1a450af5bd218ea9Kristian Monsen VisitForValue(prop->key(), kAccumulator); 291725f6136652d8341ed047e7fc1a450af5bd218ea9Kristian Monsen __ ldr(r1, MemOperand(sp, 0)); 291825f6136652d8341ed047e7fc1a450af5bd218ea9Kristian Monsen __ push(r0); 2919e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke EmitKeyedPropertyLoad(prop); 2920e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke } 2921d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } 2922d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 2923d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarke // Call ToNumber only if operand is not a smi. 2924d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarke Label no_conversion; 2925f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ BranchOnSmi(r0, &no_conversion); 2926d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarke __ push(r0); 2927e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ InvokeBuiltin(Builtins::TO_NUMBER, CALL_JS); 2928d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarke __ bind(&no_conversion); 2929e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke 2930e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke // Save result for postfix expressions. 2931e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke if (expr->is_postfix()) { 2932e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke switch (context_) { 2933e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke case Expression::kUninitialized: 2934e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke UNREACHABLE(); 2935e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke case Expression::kEffect: 2936e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke // Do not save result. 2937e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke break; 2938e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke case Expression::kValue: 2939e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke case Expression::kTest: 2940e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke case Expression::kValueTest: 2941e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke case Expression::kTestValue: 2942e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke // Save the result on the stack. If we have a named or keyed property 2943e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke // we store the result under the receiver that is currently on top 2944e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke // of the stack. 2945e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke switch (assign_type) { 2946e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke case VARIABLE: 2947e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ push(r0); 2948e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke break; 2949e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke case NAMED_PROPERTY: 2950e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ str(r0, MemOperand(sp, kPointerSize)); 2951e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke break; 2952e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke case KEYED_PROPERTY: 2953e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ str(r0, MemOperand(sp, 2 * kPointerSize)); 2954e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke break; 2955e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke } 2956e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke break; 2957e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke } 2958e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke } 2959e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke 2960d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarke 2961d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarke // Inline smi case if we are in a loop. 2962d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarke Label stub_call, done; 296310e7c6c7845a8d467bf3fd61a215dfedd8554e21Andrei Popescu int count_value = expr->op() == Token::INC ? 1 : -1; 2964d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarke if (loop_depth() > 0) { 296510e7c6c7845a8d467bf3fd61a215dfedd8554e21Andrei Popescu __ add(r0, r0, Operand(Smi::FromInt(count_value)), SetCC); 2966d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarke __ b(vs, &stub_call); 2967d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarke // We could eliminate this smi check if we split the code at 2968d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarke // the first smi check before calling ToNumber. 2969f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ BranchOnSmi(r0, &done); 2970d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarke __ bind(&stub_call); 2971d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarke // Call stub. Undo operation first. 297210e7c6c7845a8d467bf3fd61a215dfedd8554e21Andrei Popescu __ sub(r0, r0, Operand(Smi::FromInt(count_value))); 2973d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarke } 297410e7c6c7845a8d467bf3fd61a215dfedd8554e21Andrei Popescu __ mov(r1, Operand(Smi::FromInt(count_value))); 29756ded16be15dd865a9b21ea304d5273c8be299c87Steve Block GenericBinaryOpStub stub(Token::ADD, NO_OVERWRITE, r1, r0); 2976e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ CallStub(&stub); 2977d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarke __ bind(&done); 2978e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke 2979e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke // Store the value returned in r0. 2980e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke switch (assign_type) { 2981e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke case VARIABLE: 2982e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke if (expr->is_postfix()) { 2983e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke EmitVariableAssignment(expr->expression()->AsVariableProxy()->var(), 2984f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Token::ASSIGN, 2985e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke Expression::kEffect); 2986e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke // For all contexts except kEffect: We have the result on 2987e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke // top of the stack. 2988e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke if (context_ != Expression::kEffect) { 2989e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke ApplyTOS(context_); 2990e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke } 2991e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke } else { 2992e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke EmitVariableAssignment(expr->expression()->AsVariableProxy()->var(), 2993f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Token::ASSIGN, 2994e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke context_); 2995e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke } 2996d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block break; 2997e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke case NAMED_PROPERTY: { 2998e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ mov(r2, Operand(prop->key()->AsLiteral()->handle())); 2999402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu __ pop(r1); 3000e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke Handle<Code> ic(Builtins::builtin(Builtins::StoreIC_Initialize)); 3001e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ Call(ic, RelocInfo::CODE_TARGET); 3002e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke if (expr->is_postfix()) { 3003e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke if (context_ != Expression::kEffect) { 3004e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke ApplyTOS(context_); 3005e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke } 3006e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke } else { 3007402d937239b0e2fd11bf2f4fe972ad78aa9fd481Andrei Popescu Apply(context_, r0); 3008e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke } 3009d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block break; 3010d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } 3011e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke case KEYED_PROPERTY: { 3012f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ pop(r1); // Key. 3013f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ pop(r2); // Receiver. 3014e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke Handle<Code> ic(Builtins::builtin(Builtins::KeyedStoreIC_Initialize)); 3015e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ Call(ic, RelocInfo::CODE_TARGET); 3016e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke if (expr->is_postfix()) { 3017e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke if (context_ != Expression::kEffect) { 3018e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke ApplyTOS(context_); 3019e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke } 3020e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke } else { 3021f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Apply(context_, r0); 3022e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke } 3023d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block break; 3024d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } 30253ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block } 30263ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block} 30273ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block 30283ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block 3029d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarkevoid FullCodeGenerator::VisitBinaryOperation(BinaryOperation* expr) { 3030d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block Comment cmnt(masm_, "[ BinaryOperation"); 3031d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block switch (expr->op()) { 3032d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block case Token::COMMA: 3033e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke VisitForEffect(expr->left()); 3034d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block Visit(expr->right()); 3035d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block break; 3036d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 3037d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block case Token::OR: 3038d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block case Token::AND: 3039d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block EmitLogicalOperation(expr); 3040d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block break; 3041d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 3042d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block case Token::ADD: 3043d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block case Token::SUB: 3044d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block case Token::DIV: 3045d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block case Token::MOD: 3046d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block case Token::MUL: 3047d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block case Token::BIT_OR: 3048d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block case Token::BIT_AND: 3049d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block case Token::BIT_XOR: 3050d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block case Token::SHL: 3051d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block case Token::SHR: 3052e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke case Token::SAR: 3053e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke VisitForValue(expr->left(), kStack); 3054e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke VisitForValue(expr->right(), kAccumulator); 3055e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke EmitBinaryOp(expr->op(), context_); 3056d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block break; 3057e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke 3058d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block default: 3059d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block UNREACHABLE(); 3060d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } 3061d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block} 3062d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 30633ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block 3064f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarkevoid FullCodeGenerator::EmitNullCompare(bool strict, 3065f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Register obj, 3066f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Register null_const, 3067f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Label* if_true, 3068f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Label* if_false, 3069f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Register scratch) { 3070f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ cmp(obj, null_const); 3071f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke if (strict) { 3072f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ b(eq, if_true); 3073f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke } else { 3074f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ b(eq, if_true); 3075f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ LoadRoot(ip, Heap::kUndefinedValueRootIndex); 3076f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ cmp(obj, ip); 3077f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ b(eq, if_true); 3078f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ BranchOnSmi(obj, if_false); 3079f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // It can be an undetectable object. 3080f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ ldr(scratch, FieldMemOperand(obj, HeapObject::kMapOffset)); 3081f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ ldrb(scratch, FieldMemOperand(scratch, Map::kBitFieldOffset)); 3082f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ tst(scratch, Operand(1 << Map::kIsUndetectable)); 3083f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ b(ne, if_true); 3084f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke } 3085f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ jmp(if_false); 3086f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke} 3087f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 3088f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 3089d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarkevoid FullCodeGenerator::VisitCompareOperation(CompareOperation* expr) { 3090d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block Comment cmnt(masm_, "[ CompareOperation"); 3091e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke 3092e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke // Always perform the comparison for its control flow. Pack the result 3093e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke // into the expression's context after the comparison is performed. 3094f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 3095f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Label materialize_true, materialize_false; 3096f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Label* if_true = NULL; 3097f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Label* if_false = NULL; 3098f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke PrepareTest(&materialize_true, &materialize_false, &if_true, &if_false); 3099d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 3100e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke VisitForValue(expr->left(), kStack); 3101d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block switch (expr->op()) { 3102e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke case Token::IN: 3103e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke VisitForValue(expr->right(), kStack); 3104d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ InvokeBuiltin(Builtins::IN, CALL_JS); 3105d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ LoadRoot(ip, Heap::kTrueValueRootIndex); 3106d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ cmp(r0, ip); 3107e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ b(eq, if_true); 3108e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ jmp(if_false); 3109d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block break; 3110d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 3111d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block case Token::INSTANCEOF: { 3112e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke VisitForValue(expr->right(), kStack); 3113d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block InstanceofStub stub; 3114d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ CallStub(&stub); 3115d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ tst(r0, r0); 3116e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ b(eq, if_true); // The stub returns 0 for true. 3117e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ jmp(if_false); 3118d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block break; 3119d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } 3120d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 3121d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block default: { 3122e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke VisitForValue(expr->right(), kAccumulator); 3123d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block Condition cc = eq; 3124d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block bool strict = false; 3125d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block switch (expr->op()) { 3126d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block case Token::EQ_STRICT: 3127d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block strict = true; 3128d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block // Fall through 3129f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke case Token::EQ: { 3130d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block cc = eq; 3131d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ pop(r1); 3132f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // If either operand is constant null we do a fast compare 3133f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke // against null. 3134f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Literal* right_literal = expr->right()->AsLiteral(); 3135f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Literal* left_literal = expr->left()->AsLiteral(); 3136f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke if (right_literal != NULL && right_literal->handle()->IsNull()) { 3137f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke EmitNullCompare(strict, r1, r0, if_true, if_false, r2); 3138f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Apply(context_, if_true, if_false); 3139f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke return; 3140f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke } else if (left_literal != NULL && left_literal->handle()->IsNull()) { 3141f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke EmitNullCompare(strict, r0, r1, if_true, if_false, r2); 3142f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke Apply(context_, if_true, if_false); 3143f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke return; 3144f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke } 3145d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block break; 3146f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke } 3147d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block case Token::LT: 3148d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block cc = lt; 3149d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ pop(r1); 3150d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block break; 3151d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block case Token::GT: 3152e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke // Reverse left and right sides to obtain ECMA-262 conversion order. 3153d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block cc = lt; 3154e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ mov(r1, result_register()); 3155d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ pop(r0); 3156d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block break; 3157d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block case Token::LTE: 3158e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke // Reverse left and right sides to obtain ECMA-262 conversion order. 3159d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block cc = ge; 3160e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ mov(r1, result_register()); 3161d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ pop(r0); 3162d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block break; 3163d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block case Token::GTE: 3164d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block cc = ge; 3165d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ pop(r1); 3166d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block break; 3167d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block case Token::IN: 3168d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block case Token::INSTANCEOF: 3169d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block default: 3170d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block UNREACHABLE(); 3171d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block } 3172d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 3173d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block // The comparison stub expects the smi vs. smi case to be handled 3174d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block // before it is called. 3175d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block Label slow_case; 3176d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ orr(r2, r0, Operand(r1)); 3177f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke __ BranchOnNotSmi(r2, &slow_case); 3178d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ cmp(r1, r0); 3179e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ b(cc, if_true); 3180e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ jmp(if_false); 3181d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 3182d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ bind(&slow_case); 31833bec4d28b1f388dbc06a9c4276e1a03e86c52b04Ben Murdoch CompareStub stub(cc, strict, kBothCouldBeNaN, true, r1, r0); 3184d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block __ CallStub(&stub); 3185e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ cmp(r0, Operand(0)); 3186e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ b(cc, if_true); 3187e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ jmp(if_false); 31883ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block } 31893ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block } 31903ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block 3191e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke // Convert the result of the comparison into one expected for this 3192e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke // expression's context. 3193e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke Apply(context_, if_true, if_false); 3194e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke} 31953ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block 3196d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 3197d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarkevoid FullCodeGenerator::VisitThisFunction(ThisFunction* expr) { 3198e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ ldr(r0, MemOperand(fp, JavaScriptFrameConstants::kFunctionOffset)); 3199e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke Apply(context_, r0); 3200e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke} 3201d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 3202d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 3203d91b9f7d46489a9ee00f9cb415630299c76a502bLeon ClarkeRegister FullCodeGenerator::result_register() { return r0; } 3204d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 3205e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke 3206d91b9f7d46489a9ee00f9cb415630299c76a502bLeon ClarkeRegister FullCodeGenerator::context_register() { return cp; } 3207e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke 3208e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke 3209d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarkevoid FullCodeGenerator::StoreToFrameField(int frame_offset, Register value) { 3210e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke ASSERT_EQ(POINTER_SIZE_ALIGN(frame_offset), frame_offset); 3211e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ str(value, MemOperand(fp, frame_offset)); 3212d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block} 32133ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block 3214e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke 3215d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarkevoid FullCodeGenerator::LoadContextField(Register dst, int context_index) { 3216e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ ldr(dst, CodeGenerator::ContextOperand(cp, context_index)); 32173ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block} 32183ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block 3219d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 3220e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke// ---------------------------------------------------------------------------- 3221e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke// Non-local control flow support. 3222e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke 3223d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarkevoid FullCodeGenerator::EnterFinallyBlock() { 3224e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke ASSERT(!result_register().is(r1)); 3225e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke // Store result register while executing finally block. 3226e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ push(result_register()); 3227e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke // Cook return address in link register to stack (smi encoded Code* delta) 3228e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ sub(r1, lr, Operand(masm_->CodeObject())); 3229e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke ASSERT_EQ(1, kSmiTagSize + kSmiShiftSize); 3230e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke ASSERT_EQ(0, kSmiTag); 3231e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ add(r1, r1, Operand(r1)); // Convert to smi. 3232e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ push(r1); 3233e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke} 3234e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke 3235e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke 3236d91b9f7d46489a9ee00f9cb415630299c76a502bLeon Clarkevoid FullCodeGenerator::ExitFinallyBlock() { 3237e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke ASSERT(!result_register().is(r1)); 3238e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke // Restore result register from stack. 3239e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ pop(r1); 3240e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke // Uncook return address and return. 3241e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ pop(result_register()); 3242e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke ASSERT_EQ(1, kSmiTagSize + kSmiShiftSize); 3243e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ mov(r1, Operand(r1, ASR, 1)); // Un-smi-tag value. 3244e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke __ add(pc, r1, Operand(masm_->CodeObject())); 3245e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke} 3246e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke 3247d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 3248e46be819fca9468a0cd4e74859ce0f778eb8ca60Leon Clarke#undef __ 3249d0582a6c46733687d045e4188a1bcd0123c758a1Steve Block 32503ce2e2076e8e3e60cf1810eec160ea2d8557e9e7Steve Block} } // namespace v8::internal 3251f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke 3252f7060e27768c550ace7ec48ad8c093466db52dfaLeon Clarke#endif // V8_TARGET_ARCH_ARM 3253