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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 #if V8_TARGET_ARCH_IA32 | 5 #if V8_TARGET_ARCH_IA32 |
6 | 6 |
7 #include "src/code-factory.h" | 7 #include "src/code-factory.h" |
8 #include "src/code-stubs.h" | 8 #include "src/code-stubs.h" |
9 #include "src/codegen.h" | 9 #include "src/codegen.h" |
10 #include "src/compiler.h" | 10 #include "src/compiler.h" |
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3073 | 3073 |
3074 // Call the construct call builtin that handles allocation and | 3074 // Call the construct call builtin that handles allocation and |
3075 // constructor invocation. | 3075 // constructor invocation. |
3076 SetConstructCallPosition(expr); | 3076 SetConstructCallPosition(expr); |
3077 | 3077 |
3078 // Load function and argument count into edi and eax. | 3078 // Load function and argument count into edi and eax. |
3079 __ Move(eax, Immediate(arg_count)); | 3079 __ Move(eax, Immediate(arg_count)); |
3080 __ mov(edi, Operand(esp, arg_count * kPointerSize)); | 3080 __ mov(edi, Operand(esp, arg_count * kPointerSize)); |
3081 | 3081 |
3082 // Record call targets in unoptimized code. | 3082 // Record call targets in unoptimized code. |
3083 if (FLAG_pretenuring_call_new) { | |
3084 EnsureSlotContainsAllocationSite(expr->AllocationSiteFeedbackSlot()); | |
3085 DCHECK(expr->AllocationSiteFeedbackSlot().ToInt() == | |
3086 expr->CallNewFeedbackSlot().ToInt() + 1); | |
3087 } | |
3088 | |
3089 __ LoadHeapObject(ebx, FeedbackVector()); | 3083 __ LoadHeapObject(ebx, FeedbackVector()); |
3090 __ mov(edx, Immediate(SmiFromSlot(expr->CallNewFeedbackSlot()))); | 3084 __ mov(edx, Immediate(SmiFromSlot(expr->CallNewFeedbackSlot()))); |
3091 | 3085 |
3092 CallConstructStub stub(isolate(), RECORD_CONSTRUCTOR_TARGET); | 3086 CallConstructStub stub(isolate(), RECORD_CONSTRUCTOR_TARGET); |
3093 __ call(stub.GetCode(), RelocInfo::CONSTRUCT_CALL); | 3087 __ call(stub.GetCode(), RelocInfo::CONSTRUCT_CALL); |
3094 PrepareForBailoutForId(expr->ReturnId(), TOS_REG); | 3088 PrepareForBailoutForId(expr->ReturnId(), TOS_REG); |
3095 // Restore context register. | 3089 // Restore context register. |
3096 __ mov(esi, Operand(ebp, StandardFrameConstants::kContextOffset)); | 3090 __ mov(esi, Operand(ebp, StandardFrameConstants::kContextOffset)); |
3097 context()->Plug(eax); | 3091 context()->Plug(eax); |
3098 } | 3092 } |
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3119 | 3113 |
3120 // Load original constructor into ecx. | 3114 // Load original constructor into ecx. |
3121 VisitForAccumulatorValue(super_call_ref->new_target_var()); | 3115 VisitForAccumulatorValue(super_call_ref->new_target_var()); |
3122 __ mov(ecx, result_register()); | 3116 __ mov(ecx, result_register()); |
3123 | 3117 |
3124 // Load function and argument count into edi and eax. | 3118 // Load function and argument count into edi and eax. |
3125 __ Move(eax, Immediate(arg_count)); | 3119 __ Move(eax, Immediate(arg_count)); |
3126 __ mov(edi, Operand(esp, arg_count * kPointerSize)); | 3120 __ mov(edi, Operand(esp, arg_count * kPointerSize)); |
3127 | 3121 |
3128 // Record call targets in unoptimized code. | 3122 // Record call targets in unoptimized code. |
3129 if (FLAG_pretenuring_call_new) { | |
3130 UNREACHABLE(); | |
3131 /* TODO(dslomov): support pretenuring. | |
3132 EnsureSlotContainsAllocationSite(expr->AllocationSiteFeedbackSlot()); | |
3133 DCHECK(expr->AllocationSiteFeedbackSlot().ToInt() == | |
3134 expr->CallNewFeedbackSlot().ToInt() + 1); | |
3135 */ | |
3136 } | |
3137 | |
3138 __ LoadHeapObject(ebx, FeedbackVector()); | 3123 __ LoadHeapObject(ebx, FeedbackVector()); |
3139 __ mov(edx, Immediate(SmiFromSlot(expr->CallFeedbackSlot()))); | 3124 __ mov(edx, Immediate(SmiFromSlot(expr->CallFeedbackSlot()))); |
3140 | 3125 |
3141 CallConstructStub stub(isolate(), SUPER_CALL_RECORD_TARGET); | 3126 CallConstructStub stub(isolate(), SUPER_CALL_RECORD_TARGET); |
3142 __ call(stub.GetCode(), RelocInfo::CONSTRUCT_CALL); | 3127 __ call(stub.GetCode(), RelocInfo::CONSTRUCT_CALL); |
3143 | 3128 |
3144 RecordJSReturnSite(expr); | 3129 RecordJSReturnSite(expr); |
3145 | 3130 |
3146 // Restore context register. | 3131 // Restore context register. |
3147 __ mov(esi, Operand(ebp, StandardFrameConstants::kContextOffset)); | 3132 __ mov(esi, Operand(ebp, StandardFrameConstants::kContextOffset)); |
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5151 Assembler::target_address_at(call_target_address, | 5136 Assembler::target_address_at(call_target_address, |
5152 unoptimized_code)); | 5137 unoptimized_code)); |
5153 return OSR_AFTER_STACK_CHECK; | 5138 return OSR_AFTER_STACK_CHECK; |
5154 } | 5139 } |
5155 | 5140 |
5156 | 5141 |
5157 } // namespace internal | 5142 } // namespace internal |
5158 } // namespace v8 | 5143 } // namespace v8 |
5159 | 5144 |
5160 #endif // V8_TARGET_ARCH_IA32 | 5145 #endif // V8_TARGET_ARCH_IA32 |
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