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1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 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_ARM64 | 7 #if V8_TARGET_ARCH_ARM64 |
8 | 8 |
9 #include "src/base/bits.h" | 9 #include "src/base/bits.h" |
10 #include "src/base/division-by-constant.h" | 10 #include "src/base/division-by-constant.h" |
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3798 JumpIfSmi(obj, &fail); | 3798 JumpIfSmi(obj, &fail); |
3799 } | 3799 } |
3800 Ldr(scratch, FieldMemOperand(obj, HeapObject::kMapOffset)); | 3800 Ldr(scratch, FieldMemOperand(obj, HeapObject::kMapOffset)); |
3801 Cmp(scratch, Operand(map)); | 3801 Cmp(scratch, Operand(map)); |
3802 B(ne, &fail); | 3802 B(ne, &fail); |
3803 Jump(success, RelocInfo::CODE_TARGET); | 3803 Jump(success, RelocInfo::CODE_TARGET); |
3804 Bind(&fail); | 3804 Bind(&fail); |
3805 } | 3805 } |
3806 | 3806 |
3807 | 3807 |
| 3808 void MacroAssembler::CmpWeakValue(Register value, Handle<WeakCell> cell, |
| 3809 Register scratch) { |
| 3810 Mov(scratch, Operand(cell)); |
| 3811 Ldr(scratch, FieldMemOperand(scratch, WeakCell::kValueOffset)); |
| 3812 Cmp(value, scratch); |
| 3813 } |
| 3814 |
| 3815 |
| 3816 void MacroAssembler::LoadWeakValue(Register value, Handle<WeakCell> cell, |
| 3817 Label* miss) { |
| 3818 Mov(value, Operand(cell)); |
| 3819 Ldr(value, FieldMemOperand(value, WeakCell::kValueOffset)); |
| 3820 JumpIfSmi(value, miss); |
| 3821 } |
| 3822 |
| 3823 |
3808 void MacroAssembler::TestMapBitfield(Register object, uint64_t mask) { | 3824 void MacroAssembler::TestMapBitfield(Register object, uint64_t mask) { |
3809 UseScratchRegisterScope temps(this); | 3825 UseScratchRegisterScope temps(this); |
3810 Register temp = temps.AcquireX(); | 3826 Register temp = temps.AcquireX(); |
3811 Ldr(temp, FieldMemOperand(object, HeapObject::kMapOffset)); | 3827 Ldr(temp, FieldMemOperand(object, HeapObject::kMapOffset)); |
3812 Ldrb(temp, FieldMemOperand(temp, Map::kBitFieldOffset)); | 3828 Ldrb(temp, FieldMemOperand(temp, Map::kBitFieldOffset)); |
3813 Tst(temp, mask); | 3829 Tst(temp, mask); |
3814 } | 3830 } |
3815 | 3831 |
3816 | 3832 |
3817 void MacroAssembler::LoadElementsKindFromMap(Register result, Register map) { | 3833 void MacroAssembler::LoadElementsKindFromMap(Register result, Register map) { |
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5389 } | 5405 } |
5390 } | 5406 } |
5391 | 5407 |
5392 | 5408 |
5393 #undef __ | 5409 #undef __ |
5394 | 5410 |
5395 | 5411 |
5396 } } // namespace v8::internal | 5412 } } // namespace v8::internal |
5397 | 5413 |
5398 #endif // V8_TARGET_ARCH_ARM64 | 5414 #endif // V8_TARGET_ARCH_ARM64 |
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