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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_IA32 | 7 #if V8_TARGET_ARCH_IA32 |
8 | 8 |
9 #include "src/base/bits.h" | 9 #include "src/base/bits.h" |
10 #include "src/bootstrapper.h" | 10 #include "src/bootstrapper.h" |
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2753 __ mov(scratch, Operand(esp, 0 * kPointerSize)); | 2753 __ mov(scratch, Operand(esp, 0 * kPointerSize)); |
2754 __ sub(scratch, Operand(esp, 1 * kPointerSize)); | 2754 __ sub(scratch, Operand(esp, 1 * kPointerSize)); |
2755 if (FLAG_debug_code) { | 2755 if (FLAG_debug_code) { |
2756 __ cmpb(Operand(scratch, 0), kCmpEdiOperandByte1); | 2756 __ cmpb(Operand(scratch, 0), kCmpEdiOperandByte1); |
2757 __ Assert(equal, kInstanceofStubUnexpectedCallSiteCacheCmp1); | 2757 __ Assert(equal, kInstanceofStubUnexpectedCallSiteCacheCmp1); |
2758 __ cmpb(Operand(scratch, 1), kCmpEdiOperandByte2); | 2758 __ cmpb(Operand(scratch, 1), kCmpEdiOperandByte2); |
2759 __ Assert(equal, kInstanceofStubUnexpectedCallSiteCacheCmp2); | 2759 __ Assert(equal, kInstanceofStubUnexpectedCallSiteCacheCmp2); |
2760 } | 2760 } |
2761 __ mov(scratch, Operand(scratch, kDeltaToCmpImmediate)); | 2761 __ mov(scratch, Operand(scratch, kDeltaToCmpImmediate)); |
2762 __ mov(Operand(scratch, 0), map); | 2762 __ mov(Operand(scratch, 0), map); |
2763 __ push(map); | |
2764 // Scratch points at the cell payload. Calculate the start of the object. | |
2765 __ sub(scratch, Immediate(Cell::kValueOffset - 1)); | |
2766 __ RecordWriteField(scratch, Cell::kValueOffset, map, function, | |
2767 kDontSaveFPRegs, OMIT_REMEMBERED_SET, OMIT_SMI_CHECK); | |
2768 __ pop(map); | |
2769 } | 2763 } |
2770 | 2764 |
2771 // Loop through the prototype chain of the object looking for the function | 2765 // Loop through the prototype chain of the object looking for the function |
2772 // prototype. | 2766 // prototype. |
2773 __ mov(scratch, FieldOperand(map, Map::kPrototypeOffset)); | 2767 __ mov(scratch, FieldOperand(map, Map::kPrototypeOffset)); |
2774 Label loop, is_instance, is_not_instance; | 2768 Label loop, is_instance, is_not_instance; |
2775 __ bind(&loop); | 2769 __ bind(&loop); |
2776 __ cmp(scratch, prototype); | 2770 __ cmp(scratch, prototype); |
2777 __ j(equal, &is_instance, Label::kNear); | 2771 __ j(equal, &is_instance, Label::kNear); |
2778 Factory* factory = isolate()->factory(); | 2772 Factory* factory = isolate()->factory(); |
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5407 ApiParameterOperand(2), kStackSpace, nullptr, | 5401 ApiParameterOperand(2), kStackSpace, nullptr, |
5408 Operand(ebp, 7 * kPointerSize), NULL); | 5402 Operand(ebp, 7 * kPointerSize), NULL); |
5409 } | 5403 } |
5410 | 5404 |
5411 | 5405 |
5412 #undef __ | 5406 #undef __ |
5413 | 5407 |
5414 } } // namespace v8::internal | 5408 } } // namespace v8::internal |
5415 | 5409 |
5416 #endif // V8_TARGET_ARCH_IA32 | 5410 #endif // V8_TARGET_ARCH_IA32 |
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