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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_X87 | 7 #if V8_TARGET_ARCH_X87 |
| 8 | 8 |
| 9 #include "src/base/bits.h" | 9 #include "src/base/bits.h" |
| 10 #include "src/code-factory.h" |
| 10 #include "src/code-stubs.h" | 11 #include "src/code-stubs.h" |
| 11 #include "src/codegen.h" | 12 #include "src/codegen.h" |
| 12 #include "src/deoptimizer.h" | 13 #include "src/deoptimizer.h" |
| 13 #include "src/hydrogen-osr.h" | 14 #include "src/hydrogen-osr.h" |
| 14 #include "src/ic/stub-cache.h" | 15 #include "src/ic/stub-cache.h" |
| 15 #include "src/x87/lithium-codegen-x87.h" | 16 #include "src/x87/lithium-codegen-x87.h" |
| 16 | 17 |
| 17 namespace v8 { | 18 namespace v8 { |
| 18 namespace internal { | 19 namespace internal { |
| 19 | 20 |
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| 2164 } | 2165 } |
| 2165 } | 2166 } |
| 2166 | 2167 |
| 2167 | 2168 |
| 2168 void LCodeGen::DoArithmeticT(LArithmeticT* instr) { | 2169 void LCodeGen::DoArithmeticT(LArithmeticT* instr) { |
| 2169 DCHECK(ToRegister(instr->context()).is(esi)); | 2170 DCHECK(ToRegister(instr->context()).is(esi)); |
| 2170 DCHECK(ToRegister(instr->left()).is(edx)); | 2171 DCHECK(ToRegister(instr->left()).is(edx)); |
| 2171 DCHECK(ToRegister(instr->right()).is(eax)); | 2172 DCHECK(ToRegister(instr->right()).is(eax)); |
| 2172 DCHECK(ToRegister(instr->result()).is(eax)); | 2173 DCHECK(ToRegister(instr->result()).is(eax)); |
| 2173 | 2174 |
| 2174 BinaryOpICStub stub(isolate(), instr->op(), NO_OVERWRITE); | 2175 Handle<Code> code = |
| 2175 CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr); | 2176 CodeFactory::BinaryOpIC(isolate(), instr->op(), NO_OVERWRITE).code(); |
| 2177 CallCode(code, RelocInfo::CODE_TARGET, instr); |
| 2176 } | 2178 } |
| 2177 | 2179 |
| 2178 | 2180 |
| 2179 template<class InstrType> | 2181 template<class InstrType> |
| 2180 void LCodeGen::EmitBranch(InstrType instr, Condition cc) { | 2182 void LCodeGen::EmitBranch(InstrType instr, Condition cc) { |
| 2181 int left_block = instr->TrueDestination(chunk_); | 2183 int left_block = instr->TrueDestination(chunk_); |
| 2182 int right_block = instr->FalseDestination(chunk_); | 2184 int right_block = instr->FalseDestination(chunk_); |
| 2183 | 2185 |
| 2184 int next_block = GetNextEmittedBlock(); | 2186 int next_block = GetNextEmittedBlock(); |
| 2185 | 2187 |
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| 2587 default: | 2589 default: |
| 2588 UNREACHABLE(); | 2590 UNREACHABLE(); |
| 2589 return no_condition; | 2591 return no_condition; |
| 2590 } | 2592 } |
| 2591 } | 2593 } |
| 2592 | 2594 |
| 2593 | 2595 |
| 2594 void LCodeGen::DoStringCompareAndBranch(LStringCompareAndBranch* instr) { | 2596 void LCodeGen::DoStringCompareAndBranch(LStringCompareAndBranch* instr) { |
| 2595 Token::Value op = instr->op(); | 2597 Token::Value op = instr->op(); |
| 2596 | 2598 |
| 2597 Handle<Code> ic = CompareIC::GetUninitialized(isolate(), op); | 2599 Handle<Code> ic = CodeFactory::CompareIC(isolate(), op).code(); |
| 2598 CallCode(ic, RelocInfo::CODE_TARGET, instr); | 2600 CallCode(ic, RelocInfo::CODE_TARGET, instr); |
| 2599 | 2601 |
| 2600 Condition condition = ComputeCompareCondition(op); | 2602 Condition condition = ComputeCompareCondition(op); |
| 2601 __ test(eax, Operand(eax)); | 2603 __ test(eax, Operand(eax)); |
| 2602 | 2604 |
| 2603 EmitBranch(instr, condition); | 2605 EmitBranch(instr, condition); |
| 2604 } | 2606 } |
| 2605 | 2607 |
| 2606 | 2608 |
| 2607 static InstanceType TestType(HHasInstanceTypeAndBranch* instr) { | 2609 static InstanceType TestType(HHasInstanceTypeAndBranch* instr) { |
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| 2859 safepoints_.RecordLazyDeoptimizationIndex(env->deoptimization_index()); | 2861 safepoints_.RecordLazyDeoptimizationIndex(env->deoptimization_index()); |
| 2860 | 2862 |
| 2861 // Put the result value into the eax slot and restore all registers. | 2863 // Put the result value into the eax slot and restore all registers. |
| 2862 __ StoreToSafepointRegisterSlot(eax, eax); | 2864 __ StoreToSafepointRegisterSlot(eax, eax); |
| 2863 } | 2865 } |
| 2864 | 2866 |
| 2865 | 2867 |
| 2866 void LCodeGen::DoCmpT(LCmpT* instr) { | 2868 void LCodeGen::DoCmpT(LCmpT* instr) { |
| 2867 Token::Value op = instr->op(); | 2869 Token::Value op = instr->op(); |
| 2868 | 2870 |
| 2869 Handle<Code> ic = CompareIC::GetUninitialized(isolate(), op); | 2871 Handle<Code> ic = CodeFactory::CompareIC(isolate(), op).code(); |
| 2870 CallCode(ic, RelocInfo::CODE_TARGET, instr); | 2872 CallCode(ic, RelocInfo::CODE_TARGET, instr); |
| 2871 | 2873 |
| 2872 Condition condition = ComputeCompareCondition(op); | 2874 Condition condition = ComputeCompareCondition(op); |
| 2873 Label true_value, done; | 2875 Label true_value, done; |
| 2874 __ test(eax, Operand(eax)); | 2876 __ test(eax, Operand(eax)); |
| 2875 __ j(condition, &true_value, Label::kNear); | 2877 __ j(condition, &true_value, Label::kNear); |
| 2876 __ mov(ToRegister(instr->result()), factory()->false_value()); | 2878 __ mov(ToRegister(instr->result()), factory()->false_value()); |
| 2877 __ jmp(&done, Label::kNear); | 2879 __ jmp(&done, Label::kNear); |
| 2878 __ bind(&true_value); | 2880 __ bind(&true_value); |
| 2879 __ mov(ToRegister(instr->result()), factory()->true_value()); | 2881 __ mov(ToRegister(instr->result()), factory()->true_value()); |
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| 2982 DCHECK(ToRegister(instr->context()).is(esi)); | 2984 DCHECK(ToRegister(instr->context()).is(esi)); |
| 2983 DCHECK(ToRegister(instr->global_object()) | 2985 DCHECK(ToRegister(instr->global_object()) |
| 2984 .is(LoadDescriptor::ReceiverRegister())); | 2986 .is(LoadDescriptor::ReceiverRegister())); |
| 2985 DCHECK(ToRegister(instr->result()).is(eax)); | 2987 DCHECK(ToRegister(instr->result()).is(eax)); |
| 2986 | 2988 |
| 2987 __ mov(LoadDescriptor::NameRegister(), instr->name()); | 2989 __ mov(LoadDescriptor::NameRegister(), instr->name()); |
| 2988 if (FLAG_vector_ics) { | 2990 if (FLAG_vector_ics) { |
| 2989 EmitVectorLoadICRegisters<LLoadGlobalGeneric>(instr); | 2991 EmitVectorLoadICRegisters<LLoadGlobalGeneric>(instr); |
| 2990 } | 2992 } |
| 2991 ContextualMode mode = instr->for_typeof() ? NOT_CONTEXTUAL : CONTEXTUAL; | 2993 ContextualMode mode = instr->for_typeof() ? NOT_CONTEXTUAL : CONTEXTUAL; |
| 2992 Handle<Code> ic = LoadIC::initialize_stub(isolate(), mode); | 2994 Handle<Code> ic = CodeFactory::LoadIC(isolate(), mode).code(); |
| 2993 CallCode(ic, RelocInfo::CODE_TARGET, instr); | 2995 CallCode(ic, RelocInfo::CODE_TARGET, instr); |
| 2994 } | 2996 } |
| 2995 | 2997 |
| 2996 | 2998 |
| 2997 void LCodeGen::DoStoreGlobalCell(LStoreGlobalCell* instr) { | 2999 void LCodeGen::DoStoreGlobalCell(LStoreGlobalCell* instr) { |
| 2998 Register value = ToRegister(instr->value()); | 3000 Register value = ToRegister(instr->value()); |
| 2999 Handle<PropertyCell> cell_handle = instr->hydrogen()->cell().handle(); | 3001 Handle<PropertyCell> cell_handle = instr->hydrogen()->cell().handle(); |
| 3000 | 3002 |
| 3001 // If the cell we are storing to contains the hole it could have | 3003 // If the cell we are storing to contains the hole it could have |
| 3002 // been deleted from the property dictionary. In that case, we need | 3004 // been deleted from the property dictionary. In that case, we need |
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| 3116 | 3118 |
| 3117 void LCodeGen::DoLoadNamedGeneric(LLoadNamedGeneric* instr) { | 3119 void LCodeGen::DoLoadNamedGeneric(LLoadNamedGeneric* instr) { |
| 3118 DCHECK(ToRegister(instr->context()).is(esi)); | 3120 DCHECK(ToRegister(instr->context()).is(esi)); |
| 3119 DCHECK(ToRegister(instr->object()).is(LoadDescriptor::ReceiverRegister())); | 3121 DCHECK(ToRegister(instr->object()).is(LoadDescriptor::ReceiverRegister())); |
| 3120 DCHECK(ToRegister(instr->result()).is(eax)); | 3122 DCHECK(ToRegister(instr->result()).is(eax)); |
| 3121 | 3123 |
| 3122 __ mov(LoadDescriptor::NameRegister(), instr->name()); | 3124 __ mov(LoadDescriptor::NameRegister(), instr->name()); |
| 3123 if (FLAG_vector_ics) { | 3125 if (FLAG_vector_ics) { |
| 3124 EmitVectorLoadICRegisters<LLoadNamedGeneric>(instr); | 3126 EmitVectorLoadICRegisters<LLoadNamedGeneric>(instr); |
| 3125 } | 3127 } |
| 3126 Handle<Code> ic = LoadIC::initialize_stub(isolate(), NOT_CONTEXTUAL); | 3128 Handle<Code> ic = CodeFactory::LoadIC(isolate(), NOT_CONTEXTUAL).code(); |
| 3127 CallCode(ic, RelocInfo::CODE_TARGET, instr); | 3129 CallCode(ic, RelocInfo::CODE_TARGET, instr); |
| 3128 } | 3130 } |
| 3129 | 3131 |
| 3130 | 3132 |
| 3131 void LCodeGen::DoLoadFunctionPrototype(LLoadFunctionPrototype* instr) { | 3133 void LCodeGen::DoLoadFunctionPrototype(LLoadFunctionPrototype* instr) { |
| 3132 Register function = ToRegister(instr->function()); | 3134 Register function = ToRegister(instr->function()); |
| 3133 Register temp = ToRegister(instr->temp()); | 3135 Register temp = ToRegister(instr->temp()); |
| 3134 Register result = ToRegister(instr->result()); | 3136 Register result = ToRegister(instr->result()); |
| 3135 | 3137 |
| 3136 // Get the prototype or initial map from the function. | 3138 // Get the prototype or initial map from the function. |
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| 3339 | 3341 |
| 3340 void LCodeGen::DoLoadKeyedGeneric(LLoadKeyedGeneric* instr) { | 3342 void LCodeGen::DoLoadKeyedGeneric(LLoadKeyedGeneric* instr) { |
| 3341 DCHECK(ToRegister(instr->context()).is(esi)); | 3343 DCHECK(ToRegister(instr->context()).is(esi)); |
| 3342 DCHECK(ToRegister(instr->object()).is(LoadDescriptor::ReceiverRegister())); | 3344 DCHECK(ToRegister(instr->object()).is(LoadDescriptor::ReceiverRegister())); |
| 3343 DCHECK(ToRegister(instr->key()).is(LoadDescriptor::NameRegister())); | 3345 DCHECK(ToRegister(instr->key()).is(LoadDescriptor::NameRegister())); |
| 3344 | 3346 |
| 3345 if (FLAG_vector_ics) { | 3347 if (FLAG_vector_ics) { |
| 3346 EmitVectorLoadICRegisters<LLoadKeyedGeneric>(instr); | 3348 EmitVectorLoadICRegisters<LLoadKeyedGeneric>(instr); |
| 3347 } | 3349 } |
| 3348 | 3350 |
| 3349 Handle<Code> ic = isolate()->builtins()->KeyedLoadIC_Initialize(); | 3351 Handle<Code> ic = CodeFactory::KeyedLoadIC(isolate()).code(); |
| 3350 CallCode(ic, RelocInfo::CODE_TARGET, instr); | 3352 CallCode(ic, RelocInfo::CODE_TARGET, instr); |
| 3351 } | 3353 } |
| 3352 | 3354 |
| 3353 | 3355 |
| 3354 void LCodeGen::DoArgumentsElements(LArgumentsElements* instr) { | 3356 void LCodeGen::DoArgumentsElements(LArgumentsElements* instr) { |
| 3355 Register result = ToRegister(instr->result()); | 3357 Register result = ToRegister(instr->result()); |
| 3356 | 3358 |
| 3357 if (instr->hydrogen()->from_inlined()) { | 3359 if (instr->hydrogen()->from_inlined()) { |
| 3358 __ lea(result, Operand(esp, -2 * kPointerSize)); | 3360 __ lea(result, Operand(esp, -2 * kPointerSize)); |
| 3359 } else { | 3361 } else { |
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| 4209 } | 4211 } |
| 4210 } | 4212 } |
| 4211 | 4213 |
| 4212 | 4214 |
| 4213 void LCodeGen::DoStoreKeyedGeneric(LStoreKeyedGeneric* instr) { | 4215 void LCodeGen::DoStoreKeyedGeneric(LStoreKeyedGeneric* instr) { |
| 4214 DCHECK(ToRegister(instr->context()).is(esi)); | 4216 DCHECK(ToRegister(instr->context()).is(esi)); |
| 4215 DCHECK(ToRegister(instr->object()).is(StoreDescriptor::ReceiverRegister())); | 4217 DCHECK(ToRegister(instr->object()).is(StoreDescriptor::ReceiverRegister())); |
| 4216 DCHECK(ToRegister(instr->key()).is(StoreDescriptor::NameRegister())); | 4218 DCHECK(ToRegister(instr->key()).is(StoreDescriptor::NameRegister())); |
| 4217 DCHECK(ToRegister(instr->value()).is(StoreDescriptor::ValueRegister())); | 4219 DCHECK(ToRegister(instr->value()).is(StoreDescriptor::ValueRegister())); |
| 4218 | 4220 |
| 4219 Handle<Code> ic = instr->strict_mode() == STRICT | 4221 Handle<Code> ic = |
| 4220 ? isolate()->builtins()->KeyedStoreIC_Initialize_Strict() | 4222 CodeFactory::KeyedStoreIC(isolate(), instr->strict_mode()).code(); |
| 4221 : isolate()->builtins()->KeyedStoreIC_Initialize(); | |
| 4222 CallCode(ic, RelocInfo::CODE_TARGET, instr); | 4223 CallCode(ic, RelocInfo::CODE_TARGET, instr); |
| 4223 } | 4224 } |
| 4224 | 4225 |
| 4225 | 4226 |
| 4226 void LCodeGen::DoTrapAllocationMemento(LTrapAllocationMemento* instr) { | 4227 void LCodeGen::DoTrapAllocationMemento(LTrapAllocationMemento* instr) { |
| 4227 Register object = ToRegister(instr->object()); | 4228 Register object = ToRegister(instr->object()); |
| 4228 Register temp = ToRegister(instr->temp()); | 4229 Register temp = ToRegister(instr->temp()); |
| 4229 Label no_memento_found; | 4230 Label no_memento_found; |
| 4230 __ TestJSArrayForAllocationMemento(object, temp, &no_memento_found); | 4231 __ TestJSArrayForAllocationMemento(object, temp, &no_memento_found); |
| 4231 DeoptimizeIf(equal, instr->environment()); | 4232 DeoptimizeIf(equal, instr->environment()); |
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| 5727 CallRuntime(Runtime::kPushBlockContext, 2, instr); | 5728 CallRuntime(Runtime::kPushBlockContext, 2, instr); |
| 5728 RecordSafepoint(Safepoint::kNoLazyDeopt); | 5729 RecordSafepoint(Safepoint::kNoLazyDeopt); |
| 5729 } | 5730 } |
| 5730 | 5731 |
| 5731 | 5732 |
| 5732 #undef __ | 5733 #undef __ |
| 5733 | 5734 |
| 5734 } } // namespace v8::internal | 5735 } } // namespace v8::internal |
| 5735 | 5736 |
| 5736 #endif // V8_TARGET_ARCH_X87 | 5737 #endif // V8_TARGET_ARCH_X87 |
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