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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_MIPS | 5 #if V8_TARGET_ARCH_MIPS |
6 | 6 |
7 // Note on Mips implementation: | 7 // Note on Mips implementation: |
8 // | 8 // |
9 // The result_register() for mips is the 'v0' register, which is defined | 9 // The result_register() for mips is the 'v0' register, which is defined |
10 // by the ABI to contain function return values. However, the first | 10 // by the ABI to contain function return values. However, the first |
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3012 | 3012 |
3013 // Load function and argument count into a1 and a0. | 3013 // Load function and argument count into a1 and a0. |
3014 __ li(a0, Operand(arg_count)); | 3014 __ li(a0, Operand(arg_count)); |
3015 __ lw(a1, MemOperand(sp, arg_count * kPointerSize)); | 3015 __ lw(a1, MemOperand(sp, arg_count * kPointerSize)); |
3016 | 3016 |
3017 // Record call targets in unoptimized code. | 3017 // Record call targets in unoptimized code. |
3018 __ EmitLoadTypeFeedbackVector(a2); | 3018 __ EmitLoadTypeFeedbackVector(a2); |
3019 __ li(a3, Operand(SmiFromSlot(expr->CallNewFeedbackSlot()))); | 3019 __ li(a3, Operand(SmiFromSlot(expr->CallNewFeedbackSlot()))); |
3020 | 3020 |
3021 CallConstructStub stub(isolate()); | 3021 CallConstructStub stub(isolate()); |
3022 __ Call(stub.GetCode(), RelocInfo::CONSTRUCT_CALL); | 3022 __ Call(stub.GetCode(), RelocInfo::CODE_TARGET); |
3023 PrepareForBailoutForId(expr->ReturnId(), TOS_REG); | 3023 PrepareForBailoutForId(expr->ReturnId(), TOS_REG); |
3024 // Restore context register. | 3024 // Restore context register. |
3025 __ lw(cp, MemOperand(fp, StandardFrameConstants::kContextOffset)); | 3025 __ lw(cp, MemOperand(fp, StandardFrameConstants::kContextOffset)); |
3026 context()->Plug(v0); | 3026 context()->Plug(v0); |
3027 } | 3027 } |
3028 | 3028 |
3029 | 3029 |
3030 void FullCodeGenerator::EmitSuperConstructorCall(Call* expr) { | 3030 void FullCodeGenerator::EmitSuperConstructorCall(Call* expr) { |
3031 SuperCallReference* super_call_ref = | 3031 SuperCallReference* super_call_ref = |
3032 expr->expression()->AsSuperCallReference(); | 3032 expr->expression()->AsSuperCallReference(); |
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3047 SetConstructCallPosition(expr, arg_count); | 3047 SetConstructCallPosition(expr, arg_count); |
3048 | 3048 |
3049 // Load new target into a3. | 3049 // Load new target into a3. |
3050 VisitForAccumulatorValue(super_call_ref->new_target_var()); | 3050 VisitForAccumulatorValue(super_call_ref->new_target_var()); |
3051 __ mov(a3, result_register()); | 3051 __ mov(a3, result_register()); |
3052 | 3052 |
3053 // Load function and argument count into a1 and a0. | 3053 // Load function and argument count into a1 and a0. |
3054 __ li(a0, Operand(arg_count)); | 3054 __ li(a0, Operand(arg_count)); |
3055 __ lw(a1, MemOperand(sp, arg_count * kPointerSize)); | 3055 __ lw(a1, MemOperand(sp, arg_count * kPointerSize)); |
3056 | 3056 |
3057 __ Call(isolate()->builtins()->Construct(), RelocInfo::CONSTRUCT_CALL); | 3057 __ Call(isolate()->builtins()->Construct(), RelocInfo::CODE_TARGET); |
3058 | 3058 |
3059 RecordJSReturnSite(expr); | 3059 RecordJSReturnSite(expr); |
3060 | 3060 |
3061 // Restore context register. | 3061 // Restore context register. |
3062 __ lw(cp, MemOperand(fp, StandardFrameConstants::kContextOffset)); | 3062 __ lw(cp, MemOperand(fp, StandardFrameConstants::kContextOffset)); |
3063 context()->Plug(v0); | 3063 context()->Plug(v0); |
3064 } | 3064 } |
3065 | 3065 |
3066 | 3066 |
3067 void FullCodeGenerator::EmitIsSmi(CallRuntime* expr) { | 3067 void FullCodeGenerator::EmitIsSmi(CallRuntime* expr) { |
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3829 __ lw(t0, MemOperand(a2)); | 3829 __ lw(t0, MemOperand(a2)); |
3830 __ Push(t0); | 3830 __ Push(t0); |
3831 __ Addu(a1, a1, Operand(-1)); | 3831 __ Addu(a1, a1, Operand(-1)); |
3832 __ Branch(&loop, ne, a1, Operand(zero_reg)); | 3832 __ Branch(&loop, ne, a1, Operand(zero_reg)); |
3833 } | 3833 } |
3834 | 3834 |
3835 __ bind(&args_set_up); | 3835 __ bind(&args_set_up); |
3836 __ sll(at, a0, kPointerSizeLog2); | 3836 __ sll(at, a0, kPointerSizeLog2); |
3837 __ Addu(at, at, Operand(sp)); | 3837 __ Addu(at, at, Operand(sp)); |
3838 __ lw(a1, MemOperand(at, 0)); | 3838 __ lw(a1, MemOperand(at, 0)); |
3839 __ Call(isolate()->builtins()->Construct(), RelocInfo::CONSTRUCT_CALL); | 3839 __ Call(isolate()->builtins()->Construct(), RelocInfo::CODE_TARGET); |
3840 | 3840 |
3841 // Restore context register. | 3841 // Restore context register. |
3842 __ lw(cp, MemOperand(fp, StandardFrameConstants::kContextOffset)); | 3842 __ lw(cp, MemOperand(fp, StandardFrameConstants::kContextOffset)); |
3843 | 3843 |
3844 context()->DropAndPlug(1, result_register()); | 3844 context()->DropAndPlug(1, result_register()); |
3845 } | 3845 } |
3846 | 3846 |
3847 | 3847 |
3848 void FullCodeGenerator::EmitHasCachedArrayIndex(CallRuntime* expr) { | 3848 void FullCodeGenerator::EmitHasCachedArrayIndex(CallRuntime* expr) { |
3849 ZoneList<Expression*>* args = expr->arguments(); | 3849 ZoneList<Expression*>* args = expr->arguments(); |
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4969 reinterpret_cast<uint32_t>( | 4969 reinterpret_cast<uint32_t>( |
4970 isolate->builtins()->OsrAfterStackCheck()->entry())); | 4970 isolate->builtins()->OsrAfterStackCheck()->entry())); |
4971 return OSR_AFTER_STACK_CHECK; | 4971 return OSR_AFTER_STACK_CHECK; |
4972 } | 4972 } |
4973 | 4973 |
4974 | 4974 |
4975 } // namespace internal | 4975 } // namespace internal |
4976 } // namespace v8 | 4976 } // namespace v8 |
4977 | 4977 |
4978 #endif // V8_TARGET_ARCH_MIPS | 4978 #endif // V8_TARGET_ARCH_MIPS |
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