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Issue 10832365: Rename Context::global to Context::global_object, (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Addressed Michael's comments. Created 8 years, 4 months ago
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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 // 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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2687 __ j(not_equal, &loop); 2687 __ j(not_equal, &loop);
2688 2688
2689 // Reload map as register ebx was used as temporary above. 2689 // Reload map as register ebx was used as temporary above.
2690 __ mov(ebx, FieldOperand(eax, HeapObject::kMapOffset)); 2690 __ mov(ebx, FieldOperand(eax, HeapObject::kMapOffset));
2691 2691
2692 // If a valueOf property is not found on the object check that it's 2692 // If a valueOf property is not found on the object check that it's
2693 // prototype is the un-modified String prototype. If not result is false. 2693 // prototype is the un-modified String prototype. If not result is false.
2694 __ mov(ecx, FieldOperand(ebx, Map::kPrototypeOffset)); 2694 __ mov(ecx, FieldOperand(ebx, Map::kPrototypeOffset));
2695 __ JumpIfSmi(ecx, if_false); 2695 __ JumpIfSmi(ecx, if_false);
2696 __ mov(ecx, FieldOperand(ecx, HeapObject::kMapOffset)); 2696 __ mov(ecx, FieldOperand(ecx, HeapObject::kMapOffset));
2697 __ mov(edx, Operand(esi, Context::SlotOffset(Context::GLOBAL_INDEX))); 2697 __ mov(edx, Operand(esi, Context::SlotOffset(Context::GLOBAL_OBJECT_INDEX)));
2698 __ mov(edx, 2698 __ mov(edx,
2699 FieldOperand(edx, GlobalObject::kNativeContextOffset)); 2699 FieldOperand(edx, GlobalObject::kNativeContextOffset));
2700 __ cmp(ecx, 2700 __ cmp(ecx,
2701 ContextOperand(edx, 2701 ContextOperand(edx,
2702 Context::STRING_FUNCTION_PROTOTYPE_MAP_INDEX)); 2702 Context::STRING_FUNCTION_PROTOTYPE_MAP_INDEX));
2703 __ j(not_equal, if_false); 2703 __ j(not_equal, if_false);
2704 // Set the bit in the map to indicate that it has been checked safe for 2704 // Set the bit in the map to indicate that it has been checked safe for
2705 // default valueOf and set true result. 2705 // default valueOf and set true result.
2706 __ or_(FieldOperand(ebx, Map::kBitField2Offset), 2706 __ or_(FieldOperand(ebx, Map::kBitField2Offset),
2707 Immediate(1 << Map::kStringWrapperSafeForDefaultValueOf)); 2707 Immediate(1 << Map::kStringWrapperSafeForDefaultValueOf));
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2964 __ jmp(&heapnumber_allocated); 2964 __ jmp(&heapnumber_allocated);
2965 2965
2966 __ bind(&slow_allocate_heapnumber); 2966 __ bind(&slow_allocate_heapnumber);
2967 // Allocate a heap number. 2967 // Allocate a heap number.
2968 __ CallRuntime(Runtime::kNumberAlloc, 0); 2968 __ CallRuntime(Runtime::kNumberAlloc, 0);
2969 __ mov(edi, eax); 2969 __ mov(edi, eax);
2970 2970
2971 __ bind(&heapnumber_allocated); 2971 __ bind(&heapnumber_allocated);
2972 2972
2973 __ PrepareCallCFunction(1, ebx); 2973 __ PrepareCallCFunction(1, ebx);
2974 __ mov(eax, ContextOperand(context_register(), Context::GLOBAL_INDEX)); 2974 __ mov(eax, ContextOperand(context_register(), Context::GLOBAL_OBJECT_INDEX));
2975 __ mov(eax, FieldOperand(eax, GlobalObject::kNativeContextOffset)); 2975 __ mov(eax, FieldOperand(eax, GlobalObject::kNativeContextOffset));
2976 __ mov(Operand(esp, 0), eax); 2976 __ mov(Operand(esp, 0), eax);
2977 __ CallCFunction(ExternalReference::random_uint32_function(isolate()), 1); 2977 __ CallCFunction(ExternalReference::random_uint32_function(isolate()), 1);
2978 2978
2979 // Convert 32 random bits in eax to 0.(32 random bits) in a double 2979 // Convert 32 random bits in eax to 0.(32 random bits) in a double
2980 // by computing: 2980 // by computing:
2981 // ( 1.(20 0s)(32 random bits) x 2^20 ) - (1.0 x 2^20)). 2981 // ( 1.(20 0s)(32 random bits) x 2^20 ) - (1.0 x 2^20)).
2982 // This is implemented on both SSE2 and FPU. 2982 // This is implemented on both SSE2 and FPU.
2983 if (CpuFeatures::IsSupported(SSE2)) { 2983 if (CpuFeatures::IsSupported(SSE2)) {
2984 CpuFeatures::Scope fscope(SSE2); 2984 CpuFeatures::Scope fscope(SSE2);
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3409 __ mov(eax, isolate()->factory()->undefined_value()); 3409 __ mov(eax, isolate()->factory()->undefined_value());
3410 context()->Plug(eax); 3410 context()->Plug(eax);
3411 return; 3411 return;
3412 } 3412 }
3413 3413
3414 VisitForAccumulatorValue(args->at(1)); 3414 VisitForAccumulatorValue(args->at(1));
3415 3415
3416 Register key = eax; 3416 Register key = eax;
3417 Register cache = ebx; 3417 Register cache = ebx;
3418 Register tmp = ecx; 3418 Register tmp = ecx;
3419 __ mov(cache, ContextOperand(esi, Context::GLOBAL_INDEX)); 3419 __ mov(cache, ContextOperand(esi, Context::GLOBAL_OBJECT_INDEX));
3420 __ mov(cache, 3420 __ mov(cache,
3421 FieldOperand(cache, GlobalObject::kNativeContextOffset)); 3421 FieldOperand(cache, GlobalObject::kNativeContextOffset));
3422 __ mov(cache, ContextOperand(cache, Context::JSFUNCTION_RESULT_CACHES_INDEX)); 3422 __ mov(cache, ContextOperand(cache, Context::JSFUNCTION_RESULT_CACHES_INDEX));
3423 __ mov(cache, 3423 __ mov(cache,
3424 FieldOperand(cache, FixedArray::OffsetOfElementAt(cache_id))); 3424 FieldOperand(cache, FixedArray::OffsetOfElementAt(cache_id)));
3425 3425
3426 Label done, not_found; 3426 Label done, not_found;
3427 // tmp now holds finger offset as a smi. 3427 // tmp now holds finger offset as a smi.
3428 STATIC_ASSERT(kSmiTag == 0 && kSmiTagSize == 1); 3428 STATIC_ASSERT(kSmiTag == 0 && kSmiTagSize == 1);
3429 __ mov(tmp, FieldOperand(cache, JSFunctionResultCache::kFingerOffset)); 3429 __ mov(tmp, FieldOperand(cache, JSFunctionResultCache::kFingerOffset));
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4545 *stack_depth = 0; 4545 *stack_depth = 0;
4546 *context_length = 0; 4546 *context_length = 0;
4547 return previous_; 4547 return previous_;
4548 } 4548 }
4549 4549
4550 #undef __ 4550 #undef __
4551 4551
4552 } } // namespace v8::internal 4552 } } // namespace v8::internal
4553 4553
4554 #endif // V8_TARGET_ARCH_IA32 4554 #endif // V8_TARGET_ARCH_IA32
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