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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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2815 } | 2815 } |
2816 } | 2816 } |
2817 | 2817 |
2818 | 2818 |
2819 void LCodeGen::DoLoadGlobalGeneric(LLoadGlobalGeneric* instr) { | 2819 void LCodeGen::DoLoadGlobalGeneric(LLoadGlobalGeneric* instr) { |
2820 ASSERT(ToRegister(instr->context()).is(cp)); | 2820 ASSERT(ToRegister(instr->context()).is(cp)); |
2821 ASSERT(ToRegister(instr->global_object()).is(a0)); | 2821 ASSERT(ToRegister(instr->global_object()).is(a0)); |
2822 ASSERT(ToRegister(instr->result()).is(v0)); | 2822 ASSERT(ToRegister(instr->result()).is(v0)); |
2823 | 2823 |
2824 __ li(a2, Operand(instr->name())); | 2824 __ li(a2, Operand(instr->name())); |
2825 RelocInfo::Mode mode = instr->for_typeof() ? RelocInfo::CODE_TARGET | 2825 ContextualMode mode = instr->for_typeof() ? NOT_CONTEXTUAL : CONTEXTUAL; |
2826 : RelocInfo::CODE_TARGET_CONTEXT; | 2826 Handle<Code> ic = LoadIC::initialize_stub(isolate(), mode); |
2827 Handle<Code> ic = isolate()->builtins()->LoadIC_Initialize(); | 2827 CallCode(ic, RelocInfo::CODE_TARGET, instr); |
2828 CallCode(ic, mode, instr); | |
2829 } | 2828 } |
2830 | 2829 |
2831 | 2830 |
2832 void LCodeGen::DoStoreGlobalCell(LStoreGlobalCell* instr) { | 2831 void LCodeGen::DoStoreGlobalCell(LStoreGlobalCell* instr) { |
2833 Register value = ToRegister(instr->value()); | 2832 Register value = ToRegister(instr->value()); |
2834 Register cell = scratch0(); | 2833 Register cell = scratch0(); |
2835 | 2834 |
2836 // Load the cell. | 2835 // Load the cell. |
2837 __ li(cell, Operand(instr->hydrogen()->cell().handle())); | 2836 __ li(cell, Operand(instr->hydrogen()->cell().handle())); |
2838 | 2837 |
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2853 // Cells are always rescanned, so no write barrier here. | 2852 // Cells are always rescanned, so no write barrier here. |
2854 } | 2853 } |
2855 | 2854 |
2856 | 2855 |
2857 void LCodeGen::DoStoreGlobalGeneric(LStoreGlobalGeneric* instr) { | 2856 void LCodeGen::DoStoreGlobalGeneric(LStoreGlobalGeneric* instr) { |
2858 ASSERT(ToRegister(instr->context()).is(cp)); | 2857 ASSERT(ToRegister(instr->context()).is(cp)); |
2859 ASSERT(ToRegister(instr->global_object()).is(a1)); | 2858 ASSERT(ToRegister(instr->global_object()).is(a1)); |
2860 ASSERT(ToRegister(instr->value()).is(a0)); | 2859 ASSERT(ToRegister(instr->value()).is(a0)); |
2861 | 2860 |
2862 __ li(a2, Operand(instr->name())); | 2861 __ li(a2, Operand(instr->name())); |
2863 Handle<Code> ic = (instr->strict_mode_flag() == kStrictMode) | 2862 Handle<Code> ic = StoreIC::initialize_stub(isolate(), |
2864 ? isolate()->builtins()->StoreIC_Initialize_Strict() | 2863 instr->strict_mode_flag(), |
2865 : isolate()->builtins()->StoreIC_Initialize(); | 2864 CONTEXTUAL); |
2866 CallCode(ic, RelocInfo::CODE_TARGET_CONTEXT, instr); | 2865 CallCode(ic, RelocInfo::CODE_TARGET, instr); |
2867 } | 2866 } |
2868 | 2867 |
2869 | 2868 |
2870 void LCodeGen::DoLoadContextSlot(LLoadContextSlot* instr) { | 2869 void LCodeGen::DoLoadContextSlot(LLoadContextSlot* instr) { |
2871 Register context = ToRegister(instr->context()); | 2870 Register context = ToRegister(instr->context()); |
2872 Register result = ToRegister(instr->result()); | 2871 Register result = ToRegister(instr->result()); |
2873 | 2872 |
2874 __ lw(result, ContextOperand(context, instr->slot_index())); | 2873 __ lw(result, ContextOperand(context, instr->slot_index())); |
2875 if (instr->hydrogen()->RequiresHoleCheck()) { | 2874 if (instr->hydrogen()->RequiresHoleCheck()) { |
2876 __ LoadRoot(at, Heap::kTheHoleValueRootIndex); | 2875 __ LoadRoot(at, Heap::kTheHoleValueRootIndex); |
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2953 } | 2952 } |
2954 | 2953 |
2955 | 2954 |
2956 void LCodeGen::DoLoadNamedGeneric(LLoadNamedGeneric* instr) { | 2955 void LCodeGen::DoLoadNamedGeneric(LLoadNamedGeneric* instr) { |
2957 ASSERT(ToRegister(instr->context()).is(cp)); | 2956 ASSERT(ToRegister(instr->context()).is(cp)); |
2958 ASSERT(ToRegister(instr->object()).is(a0)); | 2957 ASSERT(ToRegister(instr->object()).is(a0)); |
2959 ASSERT(ToRegister(instr->result()).is(v0)); | 2958 ASSERT(ToRegister(instr->result()).is(v0)); |
2960 | 2959 |
2961 // Name is always in a2. | 2960 // Name is always in a2. |
2962 __ li(a2, Operand(instr->name())); | 2961 __ li(a2, Operand(instr->name())); |
2963 Handle<Code> ic = isolate()->builtins()->LoadIC_Initialize(); | 2962 Handle<Code> ic = LoadIC::initialize_stub(isolate(), NOT_CONTEXTUAL); |
2964 CallCode(ic, RelocInfo::CODE_TARGET, instr); | 2963 CallCode(ic, RelocInfo::CODE_TARGET, instr); |
2965 } | 2964 } |
2966 | 2965 |
2967 | 2966 |
2968 void LCodeGen::DoLoadFunctionPrototype(LLoadFunctionPrototype* instr) { | 2967 void LCodeGen::DoLoadFunctionPrototype(LLoadFunctionPrototype* instr) { |
2969 Register scratch = scratch0(); | 2968 Register scratch = scratch0(); |
2970 Register function = ToRegister(instr->function()); | 2969 Register function = ToRegister(instr->function()); |
2971 Register result = ToRegister(instr->result()); | 2970 Register result = ToRegister(instr->result()); |
2972 | 2971 |
2973 // Check that the function really is a function. Load map into the | 2972 // Check that the function really is a function. Load map into the |
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3905 isolate()->stub_cache()->ComputeKeyedCallInitialize(arity); | 3904 isolate()->stub_cache()->ComputeKeyedCallInitialize(arity); |
3906 CallCode(ic, RelocInfo::CODE_TARGET, instr); | 3905 CallCode(ic, RelocInfo::CODE_TARGET, instr); |
3907 } | 3906 } |
3908 | 3907 |
3909 | 3908 |
3910 void LCodeGen::DoCallNamed(LCallNamed* instr) { | 3909 void LCodeGen::DoCallNamed(LCallNamed* instr) { |
3911 ASSERT(ToRegister(instr->context()).is(cp)); | 3910 ASSERT(ToRegister(instr->context()).is(cp)); |
3912 ASSERT(ToRegister(instr->result()).is(v0)); | 3911 ASSERT(ToRegister(instr->result()).is(v0)); |
3913 | 3912 |
3914 int arity = instr->arity(); | 3913 int arity = instr->arity(); |
3915 RelocInfo::Mode mode = RelocInfo::CODE_TARGET; | |
3916 Handle<Code> ic = | 3914 Handle<Code> ic = |
3917 isolate()->stub_cache()->ComputeCallInitialize(arity, mode); | 3915 isolate()->stub_cache()->ComputeCallInitialize(arity, NOT_CONTEXTUAL); |
3918 __ li(a2, Operand(instr->name())); | 3916 __ li(a2, Operand(instr->name())); |
3919 CallCode(ic, mode, instr); | 3917 CallCode(ic, RelocInfo::CODE_TARGET, instr); |
3920 } | 3918 } |
3921 | 3919 |
3922 | 3920 |
3923 void LCodeGen::DoCallFunction(LCallFunction* instr) { | 3921 void LCodeGen::DoCallFunction(LCallFunction* instr) { |
3924 ASSERT(ToRegister(instr->context()).is(cp)); | 3922 ASSERT(ToRegister(instr->context()).is(cp)); |
3925 ASSERT(ToRegister(instr->function()).is(a1)); | 3923 ASSERT(ToRegister(instr->function()).is(a1)); |
3926 ASSERT(ToRegister(instr->result()).is(v0)); | 3924 ASSERT(ToRegister(instr->result()).is(v0)); |
3927 | 3925 |
3928 int arity = instr->arity(); | 3926 int arity = instr->arity(); |
3929 CallFunctionStub stub(arity, NO_CALL_FUNCTION_FLAGS); | 3927 CallFunctionStub stub(arity, NO_CALL_FUNCTION_FLAGS); |
3930 if (instr->hydrogen()->IsTailCall()) { | 3928 if (instr->hydrogen()->IsTailCall()) { |
3931 if (NeedsEagerFrame()) __ mov(sp, fp); | 3929 if (NeedsEagerFrame()) __ mov(sp, fp); |
3932 __ Jump(stub.GetCode(isolate()), RelocInfo::CODE_TARGET); | 3930 __ Jump(stub.GetCode(isolate()), RelocInfo::CODE_TARGET); |
3933 } else { | 3931 } else { |
3934 CallCode(stub.GetCode(isolate()), RelocInfo::CODE_TARGET, instr); | 3932 CallCode(stub.GetCode(isolate()), RelocInfo::CODE_TARGET, instr); |
3935 } | 3933 } |
3936 } | 3934 } |
3937 | 3935 |
3938 | 3936 |
3939 void LCodeGen::DoCallGlobal(LCallGlobal* instr) { | 3937 void LCodeGen::DoCallGlobal(LCallGlobal* instr) { |
3940 ASSERT(ToRegister(instr->context()).is(cp)); | 3938 ASSERT(ToRegister(instr->context()).is(cp)); |
3941 ASSERT(ToRegister(instr->result()).is(v0)); | 3939 ASSERT(ToRegister(instr->result()).is(v0)); |
3942 | 3940 |
3943 int arity = instr->arity(); | 3941 int arity = instr->arity(); |
3944 RelocInfo::Mode mode = RelocInfo::CODE_TARGET_CONTEXT; | |
3945 Handle<Code> ic = | 3942 Handle<Code> ic = |
3946 isolate()->stub_cache()->ComputeCallInitialize(arity, mode); | 3943 isolate()->stub_cache()->ComputeCallInitialize(arity, CONTEXTUAL); |
3947 __ li(a2, Operand(instr->name())); | 3944 __ li(a2, Operand(instr->name())); |
3948 CallCode(ic, mode, instr); | 3945 CallCode(ic, RelocInfo::CODE_TARGET, instr); |
3949 } | 3946 } |
3950 | 3947 |
3951 | 3948 |
3952 void LCodeGen::DoCallKnownGlobal(LCallKnownGlobal* instr) { | 3949 void LCodeGen::DoCallKnownGlobal(LCallKnownGlobal* instr) { |
3953 ASSERT(ToRegister(instr->result()).is(v0)); | 3950 ASSERT(ToRegister(instr->result()).is(v0)); |
3954 CallKnownFunction(instr->hydrogen()->target(), | 3951 CallKnownFunction(instr->hydrogen()->target(), |
3955 instr->hydrogen()->formal_parameter_count(), | 3952 instr->hydrogen()->formal_parameter_count(), |
3956 instr->arity(), | 3953 instr->arity(), |
3957 instr, | 3954 instr, |
3958 CALL_AS_FUNCTION, | 3955 CALL_AS_FUNCTION, |
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4135 } | 4132 } |
4136 | 4133 |
4137 | 4134 |
4138 void LCodeGen::DoStoreNamedGeneric(LStoreNamedGeneric* instr) { | 4135 void LCodeGen::DoStoreNamedGeneric(LStoreNamedGeneric* instr) { |
4139 ASSERT(ToRegister(instr->context()).is(cp)); | 4136 ASSERT(ToRegister(instr->context()).is(cp)); |
4140 ASSERT(ToRegister(instr->object()).is(a1)); | 4137 ASSERT(ToRegister(instr->object()).is(a1)); |
4141 ASSERT(ToRegister(instr->value()).is(a0)); | 4138 ASSERT(ToRegister(instr->value()).is(a0)); |
4142 | 4139 |
4143 // Name is always in a2. | 4140 // Name is always in a2. |
4144 __ li(a2, Operand(instr->name())); | 4141 __ li(a2, Operand(instr->name())); |
4145 Handle<Code> ic = (instr->strict_mode_flag() == kStrictMode) | 4142 Handle<Code> ic = StoreIC::initialize_stub(isolate(), |
4146 ? isolate()->builtins()->StoreIC_Initialize_Strict() | 4143 instr->strict_mode_flag(), |
4147 : isolate()->builtins()->StoreIC_Initialize(); | 4144 NOT_CONTEXTUAL); |
4148 CallCode(ic, RelocInfo::CODE_TARGET, instr); | 4145 CallCode(ic, RelocInfo::CODE_TARGET, instr); |
4149 } | 4146 } |
4150 | 4147 |
4151 | 4148 |
4152 void LCodeGen::ApplyCheckIf(Condition condition, | 4149 void LCodeGen::ApplyCheckIf(Condition condition, |
4153 LBoundsCheck* check, | 4150 LBoundsCheck* check, |
4154 Register src1, | 4151 Register src1, |
4155 const Operand& src2) { | 4152 const Operand& src2) { |
4156 if (FLAG_debug_code && check->hydrogen()->skip_check()) { | 4153 if (FLAG_debug_code && check->hydrogen()->skip_check()) { |
4157 Label done; | 4154 Label done; |
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5818 __ Subu(scratch, result, scratch); | 5815 __ Subu(scratch, result, scratch); |
5819 __ lw(result, FieldMemOperand(scratch, | 5816 __ lw(result, FieldMemOperand(scratch, |
5820 FixedArray::kHeaderSize - kPointerSize)); | 5817 FixedArray::kHeaderSize - kPointerSize)); |
5821 __ bind(&done); | 5818 __ bind(&done); |
5822 } | 5819 } |
5823 | 5820 |
5824 | 5821 |
5825 #undef __ | 5822 #undef __ |
5826 | 5823 |
5827 } } // namespace v8::internal | 5824 } } // namespace v8::internal |
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