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1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 the V8 project authors. All rights reserved. |
2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
4 // met: | 4 // met: |
5 // | 5 // |
6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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3775 } | 3775 } |
3776 | 3776 |
3777 | 3777 |
3778 void LCodeGen::DoCallNew(LCallNew* instr) { | 3778 void LCodeGen::DoCallNew(LCallNew* instr) { |
3779 ASSERT(ToRegister(instr->context()).is(rsi)); | 3779 ASSERT(ToRegister(instr->context()).is(rsi)); |
3780 ASSERT(ToRegister(instr->constructor()).is(rdi)); | 3780 ASSERT(ToRegister(instr->constructor()).is(rdi)); |
3781 ASSERT(ToRegister(instr->result()).is(rax)); | 3781 ASSERT(ToRegister(instr->result()).is(rax)); |
3782 | 3782 |
3783 __ Set(rax, instr->arity()); | 3783 __ Set(rax, instr->arity()); |
3784 // No cell in ebx for construct type feedback in optimized code | 3784 // No cell in ebx for construct type feedback in optimized code |
3785 Handle<Object> undefined_value(isolate()->factory()->undefined_value()); | 3785 Handle<Object> megamorphic_symbol = |
3786 __ Move(rbx, undefined_value); | 3786 TypeFeedbackInfo::MegamorphicSentinel(isolate()); |
| 3787 __ Move(rbx, megamorphic_symbol); |
3787 CallConstructStub stub(NO_CALL_FUNCTION_FLAGS); | 3788 CallConstructStub stub(NO_CALL_FUNCTION_FLAGS); |
3788 CallCode(stub.GetCode(isolate()), RelocInfo::CONSTRUCT_CALL, instr); | 3789 CallCode(stub.GetCode(isolate()), RelocInfo::CONSTRUCT_CALL, instr); |
3789 } | 3790 } |
3790 | 3791 |
3791 | 3792 |
3792 void LCodeGen::DoCallNewArray(LCallNewArray* instr) { | 3793 void LCodeGen::DoCallNewArray(LCallNewArray* instr) { |
3793 ASSERT(ToRegister(instr->context()).is(rsi)); | 3794 ASSERT(ToRegister(instr->context()).is(rsi)); |
3794 ASSERT(ToRegister(instr->constructor()).is(rdi)); | 3795 ASSERT(ToRegister(instr->constructor()).is(rdi)); |
3795 ASSERT(ToRegister(instr->result()).is(rax)); | 3796 ASSERT(ToRegister(instr->result()).is(rax)); |
3796 | 3797 |
3797 __ Set(rax, instr->arity()); | 3798 __ Set(rax, instr->arity()); |
3798 __ Move(rbx, factory()->undefined_value()); | 3799 __ Move(rbx, TypeFeedbackInfo::MegamorphicSentinel(isolate())); |
3799 ElementsKind kind = instr->hydrogen()->elements_kind(); | 3800 ElementsKind kind = instr->hydrogen()->elements_kind(); |
3800 AllocationSiteOverrideMode override_mode = | 3801 AllocationSiteOverrideMode override_mode = |
3801 (AllocationSite::GetMode(kind) == TRACK_ALLOCATION_SITE) | 3802 (AllocationSite::GetMode(kind) == TRACK_ALLOCATION_SITE) |
3802 ? DISABLE_ALLOCATION_SITES | 3803 ? DISABLE_ALLOCATION_SITES |
3803 : DONT_OVERRIDE; | 3804 : DONT_OVERRIDE; |
3804 | 3805 |
3805 if (instr->arity() == 0) { | 3806 if (instr->arity() == 0) { |
3806 ArrayNoArgumentConstructorStub stub(kind, override_mode); | 3807 ArrayNoArgumentConstructorStub stub(kind, override_mode); |
3807 CallCode(stub.GetCode(isolate()), RelocInfo::CONSTRUCT_CALL, instr); | 3808 CallCode(stub.GetCode(isolate()), RelocInfo::CONSTRUCT_CALL, instr); |
3808 } else if (instr->arity() == 1) { | 3809 } else if (instr->arity() == 1) { |
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5582 FixedArray::kHeaderSize - kPointerSize)); | 5583 FixedArray::kHeaderSize - kPointerSize)); |
5583 __ bind(&done); | 5584 __ bind(&done); |
5584 } | 5585 } |
5585 | 5586 |
5586 | 5587 |
5587 #undef __ | 5588 #undef __ |
5588 | 5589 |
5589 } } // namespace v8::internal | 5590 } } // namespace v8::internal |
5590 | 5591 |
5591 #endif // V8_TARGET_ARCH_X64 | 5592 #endif // V8_TARGET_ARCH_X64 |
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