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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 #if V8_TARGET_ARCH_ARM64 | 5 #if V8_TARGET_ARCH_ARM64 |
6 | 6 |
7 #include "src/code-stubs.h" | 7 #include "src/code-stubs.h" |
8 #include "src/api-arguments.h" | 8 #include "src/api-arguments.h" |
9 #include "src/bootstrapper.h" | 9 #include "src/bootstrapper.h" |
10 #include "src/codegen.h" | 10 #include "src/codegen.h" |
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3608 __ Ldr(pointer_reg, MemOperand(pointer_reg, kPointerSize * 2)); | 3608 __ Ldr(pointer_reg, MemOperand(pointer_reg, kPointerSize * 2)); |
3609 __ Add(pointer_reg, pointer_reg, Code::kHeaderSize - kHeapObjectTag); | 3609 __ Add(pointer_reg, pointer_reg, Code::kHeaderSize - kHeapObjectTag); |
3610 __ Jump(pointer_reg); | 3610 __ Jump(pointer_reg); |
3611 | 3611 |
3612 __ Bind(&transition_call); | 3612 __ Bind(&transition_call); |
3613 __ Ldr(too_far, FieldMemOperand(too_far, WeakCell::kValueOffset)); | 3613 __ Ldr(too_far, FieldMemOperand(too_far, WeakCell::kValueOffset)); |
3614 __ JumpIfSmi(too_far, miss); | 3614 __ JumpIfSmi(too_far, miss); |
3615 | 3615 |
3616 __ Ldr(receiver_map, MemOperand(pointer_reg, kPointerSize * 2)); | 3616 __ Ldr(receiver_map, MemOperand(pointer_reg, kPointerSize * 2)); |
3617 // Load the map into the correct register. | 3617 // Load the map into the correct register. |
3618 DCHECK(feedback.is(VectorStoreTransitionDescriptor::MapRegister())); | 3618 DCHECK(feedback.is(StoreTransitionDescriptor::MapRegister())); |
3619 __ mov(feedback, too_far); | 3619 __ mov(feedback, too_far); |
3620 __ Add(receiver_map, receiver_map, Code::kHeaderSize - kHeapObjectTag); | 3620 __ Add(receiver_map, receiver_map, Code::kHeaderSize - kHeapObjectTag); |
3621 __ Jump(receiver_map); | 3621 __ Jump(receiver_map); |
3622 | 3622 |
3623 __ Bind(&prepare_next); | 3623 __ Bind(&prepare_next); |
3624 __ Add(pointer_reg, pointer_reg, kPointerSize * 3); | 3624 __ Add(pointer_reg, pointer_reg, kPointerSize * 3); |
3625 __ Cmp(pointer_reg, too_far); | 3625 __ Cmp(pointer_reg, too_far); |
3626 __ B(lt, &next_loop); | 3626 __ B(lt, &next_loop); |
3627 | 3627 |
3628 // We exhausted our array of map handler pairs. | 3628 // We exhausted our array of map handler pairs. |
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5535 kStackUnwindSpace, NULL, spill_offset, | 5535 kStackUnwindSpace, NULL, spill_offset, |
5536 return_value_operand, NULL); | 5536 return_value_operand, NULL); |
5537 } | 5537 } |
5538 | 5538 |
5539 #undef __ | 5539 #undef __ |
5540 | 5540 |
5541 } // namespace internal | 5541 } // namespace internal |
5542 } // namespace v8 | 5542 } // namespace v8 |
5543 | 5543 |
5544 #endif // V8_TARGET_ARCH_ARM64 | 5544 #endif // V8_TARGET_ARCH_ARM64 |
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