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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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3115 failure); | 3115 failure); |
3116 } | 3116 } |
3117 | 3117 |
3118 | 3118 |
3119 // Allocates a heap number or jumps to the need_gc label if the young space | 3119 // Allocates a heap number or jumps to the need_gc label if the young space |
3120 // is full and a scavenge is needed. | 3120 // is full and a scavenge is needed. |
3121 void MacroAssembler::AllocateHeapNumber(Register result, | 3121 void MacroAssembler::AllocateHeapNumber(Register result, |
3122 Register scratch1, | 3122 Register scratch1, |
3123 Register scratch2, | 3123 Register scratch2, |
3124 Register heap_number_map, | 3124 Register heap_number_map, |
3125 Label* gc_required) { | 3125 Label* gc_required, |
3126 bool tagged) { | |
3126 // Allocate an object in the heap for the heap number and tag it as a heap | 3127 // Allocate an object in the heap for the heap number and tag it as a heap |
3127 // object. | 3128 // object. |
3128 AllocateInNewSpace(HeapNumber::kSize, | 3129 AllocateInNewSpace(HeapNumber::kSize, |
3129 result, | 3130 result, |
3130 scratch1, | 3131 scratch1, |
3131 scratch2, | 3132 scratch2, |
3132 gc_required, | 3133 gc_required, |
3133 TAG_OBJECT); | 3134 tagged?TAG_OBJECT:NO_ALLOCATION_FLAGS); |
danno
2012/10/10 12:27:53
Spaces between ? and :
aberent
2012/10/11 15:16:53
Done.
| |
3134 | 3135 |
3135 // Store heap number map in the allocated object. | 3136 // Store heap number map in the allocated object. |
3136 AssertRegisterIsRoot(heap_number_map, Heap::kHeapNumberMapRootIndex); | 3137 AssertRegisterIsRoot(heap_number_map, Heap::kHeapNumberMapRootIndex); |
3137 str(heap_number_map, FieldMemOperand(result, HeapObject::kMapOffset)); | 3138 if (tagged) { |
3139 str(heap_number_map, FieldMemOperand(result, HeapObject::kMapOffset)); | |
3140 } else { | |
3141 str(heap_number_map, MemOperand(result, HeapObject::kMapOffset)); | |
3142 } | |
3138 } | 3143 } |
3139 | 3144 |
3140 | 3145 |
3141 void MacroAssembler::AllocateHeapNumberWithValue(Register result, | 3146 void MacroAssembler::AllocateHeapNumberWithValue(Register result, |
3142 DwVfpRegister value, | 3147 DwVfpRegister value, |
3143 Register scratch1, | 3148 Register scratch1, |
3144 Register scratch2, | 3149 Register scratch2, |
3145 Register heap_number_map, | 3150 Register heap_number_map, |
3146 Label* gc_required) { | 3151 Label* gc_required) { |
3147 AllocateHeapNumber(result, scratch1, scratch2, heap_number_map, gc_required); | 3152 AllocateHeapNumber(result, scratch1, scratch2, heap_number_map, gc_required); |
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3854 void CodePatcher::EmitCondition(Condition cond) { | 3859 void CodePatcher::EmitCondition(Condition cond) { |
3855 Instr instr = Assembler::instr_at(masm_.pc_); | 3860 Instr instr = Assembler::instr_at(masm_.pc_); |
3856 instr = (instr & ~kCondMask) | cond; | 3861 instr = (instr & ~kCondMask) | cond; |
3857 masm_.emit(instr); | 3862 masm_.emit(instr); |
3858 } | 3863 } |
3859 | 3864 |
3860 | 3865 |
3861 } } // namespace v8::internal | 3866 } } // namespace v8::internal |
3862 | 3867 |
3863 #endif // V8_TARGET_ARCH_ARM | 3868 #endif // V8_TARGET_ARCH_ARM |
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