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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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668 | 668 |
669 // TODO(all): Add support for stop_t FLAG in DEBUG mode. | 669 // TODO(all): Add support for stop_t FLAG in DEBUG mode. |
670 | 670 |
671 // Classic mode functions and builtins need to replace the receiver with the | 671 // Classic mode functions and builtins need to replace the receiver with the |
672 // global proxy when called as functions (without an explicit receiver | 672 // global proxy when called as functions (without an explicit receiver |
673 // object). | 673 // object). |
674 if (info_->this_has_uses() && | 674 if (info_->this_has_uses() && |
675 info_->is_classic_mode() && | 675 info_->is_classic_mode() && |
676 !info_->is_native()) { | 676 !info_->is_native()) { |
677 Label ok; | 677 Label ok; |
678 int receiver_offset = info_->scope()->num_parameters() * kXRegSizeInBytes; | 678 int receiver_offset = info_->scope()->num_parameters() * kXRegSize; |
679 __ Peek(x10, receiver_offset); | 679 __ Peek(x10, receiver_offset); |
680 __ JumpIfNotRoot(x10, Heap::kUndefinedValueRootIndex, &ok); | 680 __ JumpIfNotRoot(x10, Heap::kUndefinedValueRootIndex, &ok); |
681 | 681 |
682 __ Ldr(x10, GlobalObjectMemOperand()); | 682 __ Ldr(x10, GlobalObjectMemOperand()); |
683 __ Ldr(x10, FieldMemOperand(x10, GlobalObject::kGlobalReceiverOffset)); | 683 __ Ldr(x10, FieldMemOperand(x10, GlobalObject::kGlobalReceiverOffset)); |
684 __ Poke(x10, receiver_offset); | 684 __ Poke(x10, receiver_offset); |
685 | 685 |
686 __ Bind(&ok); | 686 __ Bind(&ok); |
687 } | 687 } |
688 } | 688 } |
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2856 } | 2856 } |
2857 | 2857 |
2858 | 2858 |
2859 void LCodeGen::DoGetCachedArrayIndex(LGetCachedArrayIndex* instr) { | 2859 void LCodeGen::DoGetCachedArrayIndex(LGetCachedArrayIndex* instr) { |
2860 Register input = ToRegister(instr->value()); | 2860 Register input = ToRegister(instr->value()); |
2861 Register result = ToRegister(instr->result()); | 2861 Register result = ToRegister(instr->result()); |
2862 | 2862 |
2863 __ AssertString(input); | 2863 __ AssertString(input); |
2864 | 2864 |
2865 // Assert that we can use a W register load to get the hash. | 2865 // Assert that we can use a W register load to get the hash. |
2866 ASSERT((String::kHashShift + String::kArrayIndexValueBits) < kWRegSize); | 2866 ASSERT((String::kHashShift + String::kArrayIndexValueBits) < kWRegSizeInBits); |
2867 __ Ldr(result.W(), FieldMemOperand(input, String::kHashFieldOffset)); | 2867 __ Ldr(result.W(), FieldMemOperand(input, String::kHashFieldOffset)); |
2868 __ IndexFromHash(result, result); | 2868 __ IndexFromHash(result, result); |
2869 } | 2869 } |
2870 | 2870 |
2871 | 2871 |
2872 void LCodeGen::EmitGoto(int block) { | 2872 void LCodeGen::EmitGoto(int block) { |
2873 // Do not emit jump if we are emitting a goto to the next block. | 2873 // Do not emit jump if we are emitting a goto to the next block. |
2874 if (!IsNextEmittedBlock(block)) { | 2874 if (!IsNextEmittedBlock(block)) { |
2875 __ B(chunk_->GetAssemblyLabel(LookupDestination(block))); | 2875 __ B(chunk_->GetAssemblyLabel(LookupDestination(block))); |
2876 } | 2876 } |
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5837 __ Bind(&out_of_object); | 5837 __ Bind(&out_of_object); |
5838 __ Ldr(result, FieldMemOperand(object, JSObject::kPropertiesOffset)); | 5838 __ Ldr(result, FieldMemOperand(object, JSObject::kPropertiesOffset)); |
5839 // Index is equal to negated out of object property index plus 1. | 5839 // Index is equal to negated out of object property index plus 1. |
5840 __ Sub(result, result, Operand::UntagSmiAndScale(index, kPointerSizeLog2)); | 5840 __ Sub(result, result, Operand::UntagSmiAndScale(index, kPointerSizeLog2)); |
5841 __ Ldr(result, FieldMemOperand(result, | 5841 __ Ldr(result, FieldMemOperand(result, |
5842 FixedArray::kHeaderSize - kPointerSize)); | 5842 FixedArray::kHeaderSize - kPointerSize)); |
5843 __ Bind(&done); | 5843 __ Bind(&done); |
5844 } | 5844 } |
5845 | 5845 |
5846 } } // namespace v8::internal | 5846 } } // namespace v8::internal |
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