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1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "src/v8.h" | 5 #include "src/v8.h" |
6 | 6 |
7 #if V8_TARGET_ARCH_IA32 | 7 #if V8_TARGET_ARCH_IA32 |
8 | 8 |
9 #include "src/base/bits.h" | 9 #include "src/base/bits.h" |
10 #include "src/code-factory.h" | 10 #include "src/code-factory.h" |
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133 #ifdef DEBUG | 133 #ifdef DEBUG |
134 if (strlen(FLAG_stop_at) > 0 && | 134 if (strlen(FLAG_stop_at) > 0 && |
135 info_->function()->name()->IsUtf8EqualTo(CStrVector(FLAG_stop_at))) { | 135 info_->function()->name()->IsUtf8EqualTo(CStrVector(FLAG_stop_at))) { |
136 __ int3(); | 136 __ int3(); |
137 } | 137 } |
138 #endif | 138 #endif |
139 | 139 |
140 // Sloppy mode functions and builtins need to replace the receiver with the | 140 // Sloppy mode functions and builtins need to replace the receiver with the |
141 // global proxy when called as functions (without an explicit receiver | 141 // global proxy when called as functions (without an explicit receiver |
142 // object). | 142 // object). |
143 if (info_->this_has_uses() && | 143 if (info_->this_has_uses() && is_sloppy(info_->language_mode()) && |
144 info_->strict_mode() == SLOPPY && | |
145 !info_->is_native()) { | 144 !info_->is_native()) { |
146 Label ok; | 145 Label ok; |
147 // +1 for return address. | 146 // +1 for return address. |
148 int receiver_offset = (scope()->num_parameters() + 1) * kPointerSize; | 147 int receiver_offset = (scope()->num_parameters() + 1) * kPointerSize; |
149 __ mov(ecx, Operand(esp, receiver_offset)); | 148 __ mov(ecx, Operand(esp, receiver_offset)); |
150 | 149 |
151 __ cmp(ecx, isolate()->factory()->undefined_value()); | 150 __ cmp(ecx, isolate()->factory()->undefined_value()); |
152 __ j(not_equal, &ok, Label::kNear); | 151 __ j(not_equal, &ok, Label::kNear); |
153 | 152 |
154 __ mov(ecx, GlobalObjectOperand()); | 153 __ mov(ecx, GlobalObjectOperand()); |
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4167 } | 4166 } |
4168 } | 4167 } |
4169 | 4168 |
4170 | 4169 |
4171 void LCodeGen::DoStoreNamedGeneric(LStoreNamedGeneric* instr) { | 4170 void LCodeGen::DoStoreNamedGeneric(LStoreNamedGeneric* instr) { |
4172 DCHECK(ToRegister(instr->context()).is(esi)); | 4171 DCHECK(ToRegister(instr->context()).is(esi)); |
4173 DCHECK(ToRegister(instr->object()).is(StoreDescriptor::ReceiverRegister())); | 4172 DCHECK(ToRegister(instr->object()).is(StoreDescriptor::ReceiverRegister())); |
4174 DCHECK(ToRegister(instr->value()).is(StoreDescriptor::ValueRegister())); | 4173 DCHECK(ToRegister(instr->value()).is(StoreDescriptor::ValueRegister())); |
4175 | 4174 |
4176 __ mov(StoreDescriptor::NameRegister(), instr->name()); | 4175 __ mov(StoreDescriptor::NameRegister(), instr->name()); |
4177 Handle<Code> ic = StoreIC::initialize_stub(isolate(), instr->strict_mode()); | 4176 Handle<Code> ic = StoreIC::initialize_stub(isolate(), instr->language_mode()); |
4178 CallCode(ic, RelocInfo::CODE_TARGET, instr); | 4177 CallCode(ic, RelocInfo::CODE_TARGET, instr); |
4179 } | 4178 } |
4180 | 4179 |
4181 | 4180 |
4182 void LCodeGen::DoBoundsCheck(LBoundsCheck* instr) { | 4181 void LCodeGen::DoBoundsCheck(LBoundsCheck* instr) { |
4183 Condition cc = instr->hydrogen()->allow_equality() ? above : above_equal; | 4182 Condition cc = instr->hydrogen()->allow_equality() ? above : above_equal; |
4184 if (instr->index()->IsConstantOperand()) { | 4183 if (instr->index()->IsConstantOperand()) { |
4185 __ cmp(ToOperand(instr->length()), | 4184 __ cmp(ToOperand(instr->length()), |
4186 ToImmediate(LConstantOperand::cast(instr->index()), | 4185 ToImmediate(LConstantOperand::cast(instr->index()), |
4187 instr->hydrogen()->length()->representation())); | 4186 instr->hydrogen()->length()->representation())); |
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4345 } | 4344 } |
4346 | 4345 |
4347 | 4346 |
4348 void LCodeGen::DoStoreKeyedGeneric(LStoreKeyedGeneric* instr) { | 4347 void LCodeGen::DoStoreKeyedGeneric(LStoreKeyedGeneric* instr) { |
4349 DCHECK(ToRegister(instr->context()).is(esi)); | 4348 DCHECK(ToRegister(instr->context()).is(esi)); |
4350 DCHECK(ToRegister(instr->object()).is(StoreDescriptor::ReceiverRegister())); | 4349 DCHECK(ToRegister(instr->object()).is(StoreDescriptor::ReceiverRegister())); |
4351 DCHECK(ToRegister(instr->key()).is(StoreDescriptor::NameRegister())); | 4350 DCHECK(ToRegister(instr->key()).is(StoreDescriptor::NameRegister())); |
4352 DCHECK(ToRegister(instr->value()).is(StoreDescriptor::ValueRegister())); | 4351 DCHECK(ToRegister(instr->value()).is(StoreDescriptor::ValueRegister())); |
4353 | 4352 |
4354 Handle<Code> ic = | 4353 Handle<Code> ic = |
4355 CodeFactory::KeyedStoreIC(isolate(), instr->strict_mode()).code(); | 4354 CodeFactory::KeyedStoreIC(isolate(), instr->language_mode()).code(); |
4356 CallCode(ic, RelocInfo::CODE_TARGET, instr); | 4355 CallCode(ic, RelocInfo::CODE_TARGET, instr); |
4357 } | 4356 } |
4358 | 4357 |
4359 | 4358 |
4360 void LCodeGen::DoTrapAllocationMemento(LTrapAllocationMemento* instr) { | 4359 void LCodeGen::DoTrapAllocationMemento(LTrapAllocationMemento* instr) { |
4361 Register object = ToRegister(instr->object()); | 4360 Register object = ToRegister(instr->object()); |
4362 Register temp = ToRegister(instr->temp()); | 4361 Register temp = ToRegister(instr->temp()); |
4363 Label no_memento_found; | 4362 Label no_memento_found; |
4364 __ TestJSArrayForAllocationMemento(object, temp, &no_memento_found); | 4363 __ TestJSArrayForAllocationMemento(object, temp, &no_memento_found); |
4365 DeoptimizeIf(equal, instr, "memento found"); | 4364 DeoptimizeIf(equal, instr, "memento found"); |
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5362 } | 5361 } |
5363 } | 5362 } |
5364 | 5363 |
5365 | 5364 |
5366 void LCodeGen::DoFunctionLiteral(LFunctionLiteral* instr) { | 5365 void LCodeGen::DoFunctionLiteral(LFunctionLiteral* instr) { |
5367 DCHECK(ToRegister(instr->context()).is(esi)); | 5366 DCHECK(ToRegister(instr->context()).is(esi)); |
5368 // Use the fast case closure allocation code that allocates in new | 5367 // Use the fast case closure allocation code that allocates in new |
5369 // space for nested functions that don't need literals cloning. | 5368 // space for nested functions that don't need literals cloning. |
5370 bool pretenure = instr->hydrogen()->pretenure(); | 5369 bool pretenure = instr->hydrogen()->pretenure(); |
5371 if (!pretenure && instr->hydrogen()->has_no_literals()) { | 5370 if (!pretenure && instr->hydrogen()->has_no_literals()) { |
5372 FastNewClosureStub stub(isolate(), instr->hydrogen()->strict_mode(), | 5371 FastNewClosureStub stub(isolate(), instr->hydrogen()->language_mode(), |
5373 instr->hydrogen()->kind()); | 5372 instr->hydrogen()->kind()); |
5374 __ mov(ebx, Immediate(instr->hydrogen()->shared_info())); | 5373 __ mov(ebx, Immediate(instr->hydrogen()->shared_info())); |
5375 CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr); | 5374 CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr); |
5376 } else { | 5375 } else { |
5377 __ push(esi); | 5376 __ push(esi); |
5378 __ push(Immediate(instr->hydrogen()->shared_info())); | 5377 __ push(Immediate(instr->hydrogen()->shared_info())); |
5379 __ push(Immediate(pretenure ? factory()->true_value() | 5378 __ push(Immediate(pretenure ? factory()->true_value() |
5380 : factory()->false_value())); | 5379 : factory()->false_value())); |
5381 CallRuntime(Runtime::kNewClosure, 3, instr); | 5380 CallRuntime(Runtime::kNewClosure, 3, instr); |
5382 } | 5381 } |
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5772 CallRuntime(Runtime::kPushBlockContext, 2, instr); | 5771 CallRuntime(Runtime::kPushBlockContext, 2, instr); |
5773 RecordSafepoint(Safepoint::kNoLazyDeopt); | 5772 RecordSafepoint(Safepoint::kNoLazyDeopt); |
5774 } | 5773 } |
5775 | 5774 |
5776 | 5775 |
5777 #undef __ | 5776 #undef __ |
5778 | 5777 |
5779 } } // namespace v8::internal | 5778 } } // namespace v8::internal |
5780 | 5779 |
5781 #endif // V8_TARGET_ARCH_IA32 | 5780 #endif // V8_TARGET_ARCH_IA32 |
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