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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/base/bits.h" | 7 #include "src/base/bits.h" |
8 #include "src/bootstrapper.h" | 8 #include "src/bootstrapper.h" |
9 #include "src/code-stubs.h" | 9 #include "src/code-stubs.h" |
10 #include "src/codegen.h" | 10 #include "src/codegen.h" |
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4977 __ Assert(not_zero, kUnexpectedInitialMapForArrayFunction); | 4977 __ Assert(not_zero, kUnexpectedInitialMapForArrayFunction); |
4978 __ CmpObjectType(ecx, MAP_TYPE, ecx); | 4978 __ CmpObjectType(ecx, MAP_TYPE, ecx); |
4979 __ Assert(equal, kUnexpectedInitialMapForArrayFunction); | 4979 __ Assert(equal, kUnexpectedInitialMapForArrayFunction); |
4980 | 4980 |
4981 // We should either have undefined in ebx or a valid AllocationSite | 4981 // We should either have undefined in ebx or a valid AllocationSite |
4982 __ AssertUndefinedOrAllocationSite(ebx); | 4982 __ AssertUndefinedOrAllocationSite(ebx); |
4983 } | 4983 } |
4984 | 4984 |
4985 Label subclassing; | 4985 Label subclassing; |
4986 | 4986 |
| 4987 // Enter the context of the Array function. |
| 4988 __ mov(esi, FieldOperand(edi, JSFunction::kContextOffset)); |
| 4989 |
4987 __ cmp(edx, edi); | 4990 __ cmp(edx, edi); |
4988 __ j(not_equal, &subclassing); | 4991 __ j(not_equal, &subclassing); |
4989 | 4992 |
4990 Label no_info; | 4993 Label no_info; |
4991 // If the feedback vector is the undefined value call an array constructor | 4994 // If the feedback vector is the undefined value call an array constructor |
4992 // that doesn't use AllocationSites. | 4995 // that doesn't use AllocationSites. |
4993 __ cmp(ebx, isolate()->factory()->undefined_value()); | 4996 __ cmp(ebx, isolate()->factory()->undefined_value()); |
4994 __ j(equal, &no_info); | 4997 __ j(equal, &no_info); |
4995 | 4998 |
4996 // Only look at the lower 16 bits of the transition info. | 4999 // Only look at the lower 16 bits of the transition info. |
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5652 Operand(ebp, 7 * kPointerSize), NULL); | 5655 Operand(ebp, 7 * kPointerSize), NULL); |
5653 } | 5656 } |
5654 | 5657 |
5655 | 5658 |
5656 #undef __ | 5659 #undef __ |
5657 | 5660 |
5658 } // namespace internal | 5661 } // namespace internal |
5659 } // namespace v8 | 5662 } // namespace v8 |
5660 | 5663 |
5661 #endif // V8_TARGET_ARCH_IA32 | 5664 #endif // V8_TARGET_ARCH_IA32 |
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