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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 // 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_ARM | 5 #if V8_TARGET_ARCH_ARM |
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/base/bits.h" | 9 #include "src/base/bits.h" |
10 #include "src/bootstrapper.h" | 10 #include "src/bootstrapper.h" |
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3599 | 3599 |
3600 __ bind(&miss); | 3600 __ bind(&miss); |
3601 KeyedLoadIC::GenerateMiss(masm); | 3601 KeyedLoadIC::GenerateMiss(masm); |
3602 | 3602 |
3603 __ bind(&load_smi_map); | 3603 __ bind(&load_smi_map); |
3604 __ LoadRoot(receiver_map, Heap::kHeapNumberMapRootIndex); | 3604 __ LoadRoot(receiver_map, Heap::kHeapNumberMapRootIndex); |
3605 __ jmp(&compare_map); | 3605 __ jmp(&compare_map); |
3606 } | 3606 } |
3607 | 3607 |
3608 void StoreICTrampolineStub::Generate(MacroAssembler* masm) { | 3608 void StoreICTrampolineStub::Generate(MacroAssembler* masm) { |
3609 __ EmitLoadTypeFeedbackVector(VectorStoreICDescriptor::VectorRegister()); | 3609 __ EmitLoadTypeFeedbackVector(StoreWithVectorDescriptor::VectorRegister()); |
3610 StoreICStub stub(isolate(), state()); | 3610 StoreICStub stub(isolate(), state()); |
3611 stub.GenerateForTrampoline(masm); | 3611 stub.GenerateForTrampoline(masm); |
3612 } | 3612 } |
3613 | 3613 |
3614 void KeyedStoreICTrampolineStub::Generate(MacroAssembler* masm) { | 3614 void KeyedStoreICTrampolineStub::Generate(MacroAssembler* masm) { |
3615 __ EmitLoadTypeFeedbackVector(VectorStoreICDescriptor::VectorRegister()); | 3615 __ EmitLoadTypeFeedbackVector(StoreWithVectorDescriptor::VectorRegister()); |
3616 KeyedStoreICStub stub(isolate(), state()); | 3616 KeyedStoreICStub stub(isolate(), state()); |
3617 stub.GenerateForTrampoline(masm); | 3617 stub.GenerateForTrampoline(masm); |
3618 } | 3618 } |
3619 | 3619 |
3620 void StoreICStub::Generate(MacroAssembler* masm) { GenerateImpl(masm, false); } | 3620 void StoreICStub::Generate(MacroAssembler* masm) { GenerateImpl(masm, false); } |
3621 | 3621 |
3622 void StoreICStub::GenerateForTrampoline(MacroAssembler* masm) { | 3622 void StoreICStub::GenerateForTrampoline(MacroAssembler* masm) { |
3623 GenerateImpl(masm, true); | 3623 GenerateImpl(masm, true); |
3624 } | 3624 } |
3625 | 3625 |
3626 void StoreICStub::GenerateImpl(MacroAssembler* masm, bool in_frame) { | 3626 void StoreICStub::GenerateImpl(MacroAssembler* masm, bool in_frame) { |
3627 Register receiver = VectorStoreICDescriptor::ReceiverRegister(); // r1 | 3627 Register receiver = StoreWithVectorDescriptor::ReceiverRegister(); // r1 |
3628 Register key = VectorStoreICDescriptor::NameRegister(); // r2 | 3628 Register key = StoreWithVectorDescriptor::NameRegister(); // r2 |
3629 Register vector = VectorStoreICDescriptor::VectorRegister(); // r3 | 3629 Register vector = StoreWithVectorDescriptor::VectorRegister(); // r3 |
3630 Register slot = VectorStoreICDescriptor::SlotRegister(); // r4 | 3630 Register slot = StoreWithVectorDescriptor::SlotRegister(); // r4 |
3631 DCHECK(VectorStoreICDescriptor::ValueRegister().is(r0)); // r0 | 3631 DCHECK(StoreWithVectorDescriptor::ValueRegister().is(r0)); // r0 |
3632 Register feedback = r5; | 3632 Register feedback = r5; |
3633 Register receiver_map = r6; | 3633 Register receiver_map = r6; |
3634 Register scratch1 = r9; | 3634 Register scratch1 = r9; |
3635 | 3635 |
3636 __ add(feedback, vector, Operand::PointerOffsetFromSmiKey(slot)); | 3636 __ add(feedback, vector, Operand::PointerOffsetFromSmiKey(slot)); |
3637 __ ldr(feedback, FieldMemOperand(feedback, FixedArray::kHeaderSize)); | 3637 __ ldr(feedback, FieldMemOperand(feedback, FixedArray::kHeaderSize)); |
3638 | 3638 |
3639 // Try to quickly handle the monomorphic case without knowing for sure | 3639 // Try to quickly handle the monomorphic case without knowing for sure |
3640 // if we have a weak cell in feedback. We do know it's safe to look | 3640 // if we have a weak cell in feedback. We do know it's safe to look |
3641 // at WeakCell::kValueOffset. | 3641 // at WeakCell::kValueOffset. |
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3735 __ bind(&prepare_next); | 3735 __ bind(&prepare_next); |
3736 __ add(pointer_reg, pointer_reg, Operand(kPointerSize * 3)); | 3736 __ add(pointer_reg, pointer_reg, Operand(kPointerSize * 3)); |
3737 __ cmp(pointer_reg, too_far); | 3737 __ cmp(pointer_reg, too_far); |
3738 __ b(lt, &next_loop); | 3738 __ b(lt, &next_loop); |
3739 | 3739 |
3740 // We exhausted our array of map handler pairs. | 3740 // We exhausted our array of map handler pairs. |
3741 __ jmp(miss); | 3741 __ jmp(miss); |
3742 } | 3742 } |
3743 | 3743 |
3744 void KeyedStoreICStub::GenerateImpl(MacroAssembler* masm, bool in_frame) { | 3744 void KeyedStoreICStub::GenerateImpl(MacroAssembler* masm, bool in_frame) { |
3745 Register receiver = VectorStoreICDescriptor::ReceiverRegister(); // r1 | 3745 Register receiver = StoreWithVectorDescriptor::ReceiverRegister(); // r1 |
3746 Register key = VectorStoreICDescriptor::NameRegister(); // r2 | 3746 Register key = StoreWithVectorDescriptor::NameRegister(); // r2 |
3747 Register vector = VectorStoreICDescriptor::VectorRegister(); // r3 | 3747 Register vector = StoreWithVectorDescriptor::VectorRegister(); // r3 |
3748 Register slot = VectorStoreICDescriptor::SlotRegister(); // r4 | 3748 Register slot = StoreWithVectorDescriptor::SlotRegister(); // r4 |
3749 DCHECK(VectorStoreICDescriptor::ValueRegister().is(r0)); // r0 | 3749 DCHECK(StoreWithVectorDescriptor::ValueRegister().is(r0)); // r0 |
3750 Register feedback = r5; | 3750 Register feedback = r5; |
3751 Register receiver_map = r6; | 3751 Register receiver_map = r6; |
3752 Register scratch1 = r9; | 3752 Register scratch1 = r9; |
3753 | 3753 |
3754 __ add(feedback, vector, Operand::PointerOffsetFromSmiKey(slot)); | 3754 __ add(feedback, vector, Operand::PointerOffsetFromSmiKey(slot)); |
3755 __ ldr(feedback, FieldMemOperand(feedback, FixedArray::kHeaderSize)); | 3755 __ ldr(feedback, FieldMemOperand(feedback, FixedArray::kHeaderSize)); |
3756 | 3756 |
3757 // Try to quickly handle the monomorphic case without knowing for sure | 3757 // Try to quickly handle the monomorphic case without knowing for sure |
3758 // if we have a weak cell in feedback. We do know it's safe to look | 3758 // if we have a weak cell in feedback. We do know it's safe to look |
3759 // at WeakCell::kValueOffset. | 3759 // at WeakCell::kValueOffset. |
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5229 CallApiFunctionAndReturn(masm, api_function_address, thunk_ref, | 5229 CallApiFunctionAndReturn(masm, api_function_address, thunk_ref, |
5230 kStackUnwindSpace, NULL, return_value_operand, NULL); | 5230 kStackUnwindSpace, NULL, return_value_operand, NULL); |
5231 } | 5231 } |
5232 | 5232 |
5233 #undef __ | 5233 #undef __ |
5234 | 5234 |
5235 } // namespace internal | 5235 } // namespace internal |
5236 } // namespace v8 | 5236 } // namespace v8 |
5237 | 5237 |
5238 #endif // V8_TARGET_ARCH_ARM | 5238 #endif // V8_TARGET_ARCH_ARM |
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