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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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3851 b(ne, call_runtime); | 3851 b(ne, call_runtime); |
3852 | 3852 |
3853 ldr(r2, FieldMemOperand(r1, Map::kPrototypeOffset)); | 3853 ldr(r2, FieldMemOperand(r1, Map::kPrototypeOffset)); |
3854 cmp(r2, null_value); | 3854 cmp(r2, null_value); |
3855 b(ne, &next); | 3855 b(ne, &next); |
3856 } | 3856 } |
3857 | 3857 |
3858 | 3858 |
3859 void MacroAssembler::TestJSArrayForAllocationMemento( | 3859 void MacroAssembler::TestJSArrayForAllocationMemento( |
3860 Register receiver_reg, | 3860 Register receiver_reg, |
3861 Register scratch_reg) { | 3861 Register scratch_reg, |
3862 Label no_memento_available; | 3862 Label* no_memento_found) { |
3863 ExternalReference new_space_start = | 3863 ExternalReference new_space_start = |
3864 ExternalReference::new_space_start(isolate()); | 3864 ExternalReference::new_space_start(isolate()); |
3865 ExternalReference new_space_allocation_top = | 3865 ExternalReference new_space_allocation_top = |
3866 ExternalReference::new_space_allocation_top_address(isolate()); | 3866 ExternalReference::new_space_allocation_top_address(isolate()); |
3867 add(scratch_reg, receiver_reg, | 3867 add(scratch_reg, receiver_reg, |
3868 Operand(JSArray::kSize + AllocationMemento::kSize - kHeapObjectTag)); | 3868 Operand(JSArray::kSize + AllocationMemento::kSize - kHeapObjectTag)); |
3869 cmp(scratch_reg, Operand(new_space_start)); | 3869 cmp(scratch_reg, Operand(new_space_start)); |
3870 b(lt, &no_memento_available); | 3870 b(lt, no_memento_found); |
3871 mov(ip, Operand(new_space_allocation_top)); | 3871 mov(ip, Operand(new_space_allocation_top)); |
3872 ldr(ip, MemOperand(ip)); | 3872 ldr(ip, MemOperand(ip)); |
3873 cmp(scratch_reg, ip); | 3873 cmp(scratch_reg, ip); |
3874 b(gt, &no_memento_available); | 3874 b(gt, no_memento_found); |
3875 ldr(scratch_reg, MemOperand(scratch_reg, -AllocationMemento::kSize)); | 3875 ldr(scratch_reg, MemOperand(scratch_reg, -AllocationMemento::kSize)); |
3876 cmp(scratch_reg, | 3876 cmp(scratch_reg, |
3877 Operand(isolate()->factory()->allocation_memento_map())); | 3877 Operand(isolate()->factory()->allocation_memento_map())); |
3878 bind(&no_memento_available); | |
3879 } | 3878 } |
3880 | 3879 |
3881 | 3880 |
3882 Register GetRegisterThatIsNotOneOf(Register reg1, | 3881 Register GetRegisterThatIsNotOneOf(Register reg1, |
3883 Register reg2, | 3882 Register reg2, |
3884 Register reg3, | 3883 Register reg3, |
3885 Register reg4, | 3884 Register reg4, |
3886 Register reg5, | 3885 Register reg5, |
3887 Register reg6) { | 3886 Register reg6) { |
3888 RegList regs = 0; | 3887 RegList regs = 0; |
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3966 void CodePatcher::EmitCondition(Condition cond) { | 3965 void CodePatcher::EmitCondition(Condition cond) { |
3967 Instr instr = Assembler::instr_at(masm_.pc_); | 3966 Instr instr = Assembler::instr_at(masm_.pc_); |
3968 instr = (instr & ~kCondMask) | cond; | 3967 instr = (instr & ~kCondMask) | cond; |
3969 masm_.emit(instr); | 3968 masm_.emit(instr); |
3970 } | 3969 } |
3971 | 3970 |
3972 | 3971 |
3973 } } // namespace v8::internal | 3972 } } // namespace v8::internal |
3974 | 3973 |
3975 #endif // V8_TARGET_ARCH_ARM | 3974 #endif // V8_TARGET_ARCH_ARM |
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