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1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 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_MIPS64 | 7 #if V8_TARGET_ARCH_MIPS64 |
8 | 8 |
9 #include "src/ic/call-optimization.h" | 9 #include "src/ic/call-optimization.h" |
10 #include "src/ic/handler-compiler.h" | 10 #include "src/ic/handler-compiler.h" |
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703 DCHECK(holder_reg.is(receiver()) || holder_reg.is(scratch1())); | 703 DCHECK(holder_reg.is(receiver()) || holder_reg.is(scratch1())); |
704 | 704 |
705 // Preserve the receiver register explicitly whenever it is different from the | 705 // Preserve the receiver register explicitly whenever it is different from the |
706 // holder and it is needed should the interceptor return without any result. | 706 // holder and it is needed should the interceptor return without any result. |
707 // The ACCESSOR case needs the receiver to be passed into C++ code, the FIELD | 707 // The ACCESSOR case needs the receiver to be passed into C++ code, the FIELD |
708 // case might cause a miss during the prototype check. | 708 // case might cause a miss during the prototype check. |
709 bool must_perform_prototype_check = | 709 bool must_perform_prototype_check = |
710 !holder().is_identical_to(it->GetHolder<JSObject>()); | 710 !holder().is_identical_to(it->GetHolder<JSObject>()); |
711 bool must_preserve_receiver_reg = | 711 bool must_preserve_receiver_reg = |
712 !receiver().is(holder_reg) && | 712 !receiver().is(holder_reg) && |
713 (it->property_kind() == LookupIterator::ACCESSOR || | 713 (it->state() == LookupIterator::ACCESSOR || must_perform_prototype_check); |
714 must_perform_prototype_check); | |
715 | 714 |
716 // Save necessary data before invoking an interceptor. | 715 // Save necessary data before invoking an interceptor. |
717 // Requires a frame to make GC aware of pushed pointers. | 716 // Requires a frame to make GC aware of pushed pointers. |
718 { | 717 { |
719 FrameScope frame_scope(masm(), StackFrame::INTERNAL); | 718 FrameScope frame_scope(masm(), StackFrame::INTERNAL); |
720 if (must_preserve_receiver_reg) { | 719 if (must_preserve_receiver_reg) { |
721 __ Push(receiver(), holder_reg, this->name()); | 720 __ Push(receiver(), holder_reg, this->name()); |
722 } else { | 721 } else { |
723 __ Push(holder_reg, this->name()); | 722 __ Push(holder_reg, this->name()); |
724 } | 723 } |
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831 // Return the generated code. | 830 // Return the generated code. |
832 return GetCode(kind(), Code::NORMAL, name); | 831 return GetCode(kind(), Code::NORMAL, name); |
833 } | 832 } |
834 | 833 |
835 | 834 |
836 #undef __ | 835 #undef __ |
837 } | 836 } |
838 } // namespace v8::internal | 837 } // namespace v8::internal |
839 | 838 |
840 #endif // V8_TARGET_ARCH_MIPS64 | 839 #endif // V8_TARGET_ARCH_MIPS64 |
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