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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_IA32 | 5 #if V8_TARGET_ARCH_IA32 |
| 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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| 3546 // at least one map/handler pair. | 3546 // at least one map/handler pair. |
| 3547 __ mov(feedback, FieldOperand(vector, slot, times_half_pointer_size, | 3547 __ mov(feedback, FieldOperand(vector, slot, times_half_pointer_size, |
| 3548 FixedArray::kHeaderSize + kPointerSize)); | 3548 FixedArray::kHeaderSize + kPointerSize)); |
| 3549 HandleArrayCases(masm, receiver, key, vector, slot, feedback, false, &miss); | 3549 HandleArrayCases(masm, receiver, key, vector, slot, feedback, false, &miss); |
| 3550 | 3550 |
| 3551 __ bind(&miss); | 3551 __ bind(&miss); |
| 3552 KeyedLoadIC::GenerateMiss(masm); | 3552 KeyedLoadIC::GenerateMiss(masm); |
| 3553 } | 3553 } |
| 3554 | 3554 |
| 3555 void StoreICTrampolineStub::Generate(MacroAssembler* masm) { | 3555 void StoreICTrampolineStub::Generate(MacroAssembler* masm) { |
| 3556 __ EmitLoadTypeFeedbackVector(VectorStoreICDescriptor::VectorRegister()); | 3556 __ EmitLoadTypeFeedbackVector(StoreWithVectorDescriptor::VectorRegister()); |
| 3557 StoreICStub stub(isolate(), state()); | 3557 StoreICStub stub(isolate(), state()); |
| 3558 stub.GenerateForTrampoline(masm); | 3558 stub.GenerateForTrampoline(masm); |
| 3559 } | 3559 } |
| 3560 | 3560 |
| 3561 void KeyedStoreICTrampolineStub::Generate(MacroAssembler* masm) { | 3561 void KeyedStoreICTrampolineStub::Generate(MacroAssembler* masm) { |
| 3562 __ EmitLoadTypeFeedbackVector(VectorStoreICDescriptor::VectorRegister()); | 3562 __ EmitLoadTypeFeedbackVector(StoreWithVectorDescriptor::VectorRegister()); |
| 3563 KeyedStoreICStub stub(isolate(), state()); | 3563 KeyedStoreICStub stub(isolate(), state()); |
| 3564 stub.GenerateForTrampoline(masm); | 3564 stub.GenerateForTrampoline(masm); |
| 3565 } | 3565 } |
| 3566 | 3566 |
| 3567 void StoreICStub::Generate(MacroAssembler* masm) { GenerateImpl(masm, false); } | 3567 void StoreICStub::Generate(MacroAssembler* masm) { GenerateImpl(masm, false); } |
| 3568 | 3568 |
| 3569 void StoreICStub::GenerateForTrampoline(MacroAssembler* masm) { | 3569 void StoreICStub::GenerateForTrampoline(MacroAssembler* masm) { |
| 3570 GenerateImpl(masm, true); | 3570 GenerateImpl(masm, true); |
| 3571 } | 3571 } |
| 3572 | 3572 |
| (...skipping 24 matching lines...) Expand all Loading... |
| 3597 __ mov(cached_map, FieldOperand(feedback, FixedArray::OffsetOfElementAt(0))); | 3597 __ mov(cached_map, FieldOperand(feedback, FixedArray::OffsetOfElementAt(0))); |
| 3598 | 3598 |
| 3599 // A named keyed store might have a 2 element array, all other cases can count | 3599 // A named keyed store might have a 2 element array, all other cases can count |
| 3600 // on an array with at least 2 {map, handler} pairs, so they can go right | 3600 // on an array with at least 2 {map, handler} pairs, so they can go right |
| 3601 // into polymorphic array handling. | 3601 // into polymorphic array handling. |
| 3602 __ cmp(receiver_map, FieldOperand(cached_map, WeakCell::kValueOffset)); | 3602 __ cmp(receiver_map, FieldOperand(cached_map, WeakCell::kValueOffset)); |
| 3603 __ j(not_equal, &start_polymorphic); | 3603 __ j(not_equal, &start_polymorphic); |
| 3604 | 3604 |
| 3605 // found, now call handler. | 3605 // found, now call handler. |
| 3606 Register handler = feedback; | 3606 Register handler = feedback; |
| 3607 DCHECK(handler.is(VectorStoreICDescriptor::ValueRegister())); | 3607 DCHECK(handler.is(StoreWithVectorDescriptor::ValueRegister())); |
| 3608 __ mov(handler, FieldOperand(feedback, FixedArray::OffsetOfElementAt(1))); | 3608 __ mov(handler, FieldOperand(feedback, FixedArray::OffsetOfElementAt(1))); |
| 3609 __ pop(vector); | 3609 __ pop(vector); |
| 3610 __ pop(receiver); | 3610 __ pop(receiver); |
| 3611 __ lea(handler, FieldOperand(handler, Code::kHeaderSize)); | 3611 __ lea(handler, FieldOperand(handler, Code::kHeaderSize)); |
| 3612 __ mov(Operand::StaticVariable(virtual_register), handler); | 3612 __ mov(Operand::StaticVariable(virtual_register), handler); |
| 3613 __ pop(handler); // Pop "value". | 3613 __ pop(handler); // Pop "value". |
| 3614 __ jmp(Operand::StaticVariable(virtual_register)); | 3614 __ jmp(Operand::StaticVariable(virtual_register)); |
| 3615 | 3615 |
| 3616 // Polymorphic, we have to loop from 2 to N | 3616 // Polymorphic, we have to loop from 2 to N |
| 3617 __ bind(&start_polymorphic); | 3617 __ bind(&start_polymorphic); |
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| 3657 __ LoadRoot(receiver_map, Heap::kHeapNumberMapRootIndex); | 3657 __ LoadRoot(receiver_map, Heap::kHeapNumberMapRootIndex); |
| 3658 __ jmp(&compare_map); | 3658 __ jmp(&compare_map); |
| 3659 } | 3659 } |
| 3660 | 3660 |
| 3661 | 3661 |
| 3662 static void HandleMonomorphicStoreCase(MacroAssembler* masm, Register receiver, | 3662 static void HandleMonomorphicStoreCase(MacroAssembler* masm, Register receiver, |
| 3663 Register key, Register vector, | 3663 Register key, Register vector, |
| 3664 Register slot, Register weak_cell, | 3664 Register slot, Register weak_cell, |
| 3665 Label* miss) { | 3665 Label* miss) { |
| 3666 // The store ic value is on the stack. | 3666 // The store ic value is on the stack. |
| 3667 DCHECK(weak_cell.is(VectorStoreICDescriptor::ValueRegister())); | 3667 DCHECK(weak_cell.is(StoreWithVectorDescriptor::ValueRegister())); |
| 3668 ExternalReference virtual_register = | 3668 ExternalReference virtual_register = |
| 3669 ExternalReference::virtual_handler_register(masm->isolate()); | 3669 ExternalReference::virtual_handler_register(masm->isolate()); |
| 3670 | 3670 |
| 3671 // feedback initially contains the feedback array | 3671 // feedback initially contains the feedback array |
| 3672 Label compare_smi_map; | 3672 Label compare_smi_map; |
| 3673 | 3673 |
| 3674 // Move the weak map into the weak_cell register. | 3674 // Move the weak map into the weak_cell register. |
| 3675 Register ic_map = weak_cell; | 3675 Register ic_map = weak_cell; |
| 3676 __ mov(ic_map, FieldOperand(weak_cell, WeakCell::kValueOffset)); | 3676 __ mov(ic_map, FieldOperand(weak_cell, WeakCell::kValueOffset)); |
| 3677 | 3677 |
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| 3696 __ mov(weak_cell, FieldOperand(vector, slot, times_half_pointer_size, | 3696 __ mov(weak_cell, FieldOperand(vector, slot, times_half_pointer_size, |
| 3697 FixedArray::kHeaderSize + kPointerSize)); | 3697 FixedArray::kHeaderSize + kPointerSize)); |
| 3698 __ lea(weak_cell, FieldOperand(weak_cell, Code::kHeaderSize)); | 3698 __ lea(weak_cell, FieldOperand(weak_cell, Code::kHeaderSize)); |
| 3699 __ mov(Operand::StaticVariable(virtual_register), weak_cell); | 3699 __ mov(Operand::StaticVariable(virtual_register), weak_cell); |
| 3700 __ pop(weak_cell); // Pop "value". | 3700 __ pop(weak_cell); // Pop "value". |
| 3701 // jump to the handler. | 3701 // jump to the handler. |
| 3702 __ jmp(Operand::StaticVariable(virtual_register)); | 3702 __ jmp(Operand::StaticVariable(virtual_register)); |
| 3703 } | 3703 } |
| 3704 | 3704 |
| 3705 void StoreICStub::GenerateImpl(MacroAssembler* masm, bool in_frame) { | 3705 void StoreICStub::GenerateImpl(MacroAssembler* masm, bool in_frame) { |
| 3706 Register receiver = VectorStoreICDescriptor::ReceiverRegister(); // edx | 3706 Register receiver = StoreWithVectorDescriptor::ReceiverRegister(); // edx |
| 3707 Register key = VectorStoreICDescriptor::NameRegister(); // ecx | 3707 Register key = StoreWithVectorDescriptor::NameRegister(); // ecx |
| 3708 Register value = VectorStoreICDescriptor::ValueRegister(); // eax | 3708 Register value = StoreWithVectorDescriptor::ValueRegister(); // eax |
| 3709 Register vector = VectorStoreICDescriptor::VectorRegister(); // ebx | 3709 Register vector = StoreWithVectorDescriptor::VectorRegister(); // ebx |
| 3710 Register slot = VectorStoreICDescriptor::SlotRegister(); // edi | 3710 Register slot = StoreWithVectorDescriptor::SlotRegister(); // edi |
| 3711 Label miss; | 3711 Label miss; |
| 3712 | 3712 |
| 3713 __ push(value); | 3713 __ push(value); |
| 3714 | 3714 |
| 3715 Register scratch = value; | 3715 Register scratch = value; |
| 3716 __ mov(scratch, FieldOperand(vector, slot, times_half_pointer_size, | 3716 __ mov(scratch, FieldOperand(vector, slot, times_half_pointer_size, |
| 3717 FixedArray::kHeaderSize)); | 3717 FixedArray::kHeaderSize)); |
| 3718 | 3718 |
| 3719 // Is it a weak cell? | 3719 // Is it a weak cell? |
| 3720 Label try_array; | 3720 Label try_array; |
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| 3861 __ pop(vector); | 3861 __ pop(vector); |
| 3862 __ pop(receiver); | 3862 __ pop(receiver); |
| 3863 __ jmp(miss); | 3863 __ jmp(miss); |
| 3864 | 3864 |
| 3865 __ bind(&load_smi_map); | 3865 __ bind(&load_smi_map); |
| 3866 __ LoadRoot(receiver_map, Heap::kHeapNumberMapRootIndex); | 3866 __ LoadRoot(receiver_map, Heap::kHeapNumberMapRootIndex); |
| 3867 __ jmp(&compare_map); | 3867 __ jmp(&compare_map); |
| 3868 } | 3868 } |
| 3869 | 3869 |
| 3870 void KeyedStoreICStub::GenerateImpl(MacroAssembler* masm, bool in_frame) { | 3870 void KeyedStoreICStub::GenerateImpl(MacroAssembler* masm, bool in_frame) { |
| 3871 Register receiver = VectorStoreICDescriptor::ReceiverRegister(); // edx | 3871 Register receiver = StoreWithVectorDescriptor::ReceiverRegister(); // edx |
| 3872 Register key = VectorStoreICDescriptor::NameRegister(); // ecx | 3872 Register key = StoreWithVectorDescriptor::NameRegister(); // ecx |
| 3873 Register value = VectorStoreICDescriptor::ValueRegister(); // eax | 3873 Register value = StoreWithVectorDescriptor::ValueRegister(); // eax |
| 3874 Register vector = VectorStoreICDescriptor::VectorRegister(); // ebx | 3874 Register vector = StoreWithVectorDescriptor::VectorRegister(); // ebx |
| 3875 Register slot = VectorStoreICDescriptor::SlotRegister(); // edi | 3875 Register slot = StoreWithVectorDescriptor::SlotRegister(); // edi |
| 3876 Label miss; | 3876 Label miss; |
| 3877 | 3877 |
| 3878 __ push(value); | 3878 __ push(value); |
| 3879 | 3879 |
| 3880 Register scratch = value; | 3880 Register scratch = value; |
| 3881 __ mov(scratch, FieldOperand(vector, slot, times_half_pointer_size, | 3881 __ mov(scratch, FieldOperand(vector, slot, times_half_pointer_size, |
| 3882 FixedArray::kHeaderSize)); | 3882 FixedArray::kHeaderSize)); |
| 3883 | 3883 |
| 3884 // Is it a weak cell? | 3884 // Is it a weak cell? |
| 3885 Label try_array; | 3885 Label try_array; |
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| 5487 kStackUnwindSpace, nullptr, return_value_operand, | 5487 kStackUnwindSpace, nullptr, return_value_operand, |
| 5488 NULL); | 5488 NULL); |
| 5489 } | 5489 } |
| 5490 | 5490 |
| 5491 #undef __ | 5491 #undef __ |
| 5492 | 5492 |
| 5493 } // namespace internal | 5493 } // namespace internal |
| 5494 } // namespace v8 | 5494 } // namespace v8 |
| 5495 | 5495 |
| 5496 #endif // V8_TARGET_ARCH_IA32 | 5496 #endif // V8_TARGET_ARCH_IA32 |
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