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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_X64 | 5 #if V8_TARGET_ARCH_X64 |
6 | 6 |
7 #include "src/code-factory.h" | 7 #include "src/code-factory.h" |
8 #include "src/codegen.h" | 8 #include "src/codegen.h" |
9 #include "src/deoptimizer.h" | 9 #include "src/deoptimizer.h" |
10 #include "src/full-codegen/full-codegen.h" | 10 #include "src/full-codegen/full-codegen.h" |
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2121 // -- rdx : message_id as Smi | 2121 // -- rdx : message_id as Smi |
2122 // -- rsp[0] : return address | 2122 // -- rsp[0] : return address |
2123 // ----------------------------------- | 2123 // ----------------------------------- |
2124 __ PopReturnAddressTo(rcx); | 2124 __ PopReturnAddressTo(rcx); |
2125 __ Push(rdx); | 2125 __ Push(rdx); |
2126 __ PushReturnAddressFrom(rcx); | 2126 __ PushReturnAddressFrom(rcx); |
2127 __ Move(rsi, Smi::FromInt(0)); | 2127 __ Move(rsi, Smi::FromInt(0)); |
2128 __ TailCallRuntime(Runtime::kAbort); | 2128 __ TailCallRuntime(Runtime::kAbort); |
2129 } | 2129 } |
2130 | 2130 |
2131 void Builtins::Generate_StringToNumber(MacroAssembler* masm) { | |
2132 // The StringToNumber stub takes one argument in rax. | |
2133 __ AssertString(rax); | |
2134 | |
2135 // Check if string has a cached array index. | |
2136 Label runtime; | |
2137 __ testl(FieldOperand(rax, String::kHashFieldOffset), | |
2138 Immediate(String::kContainsCachedArrayIndexMask)); | |
2139 __ j(not_zero, &runtime, Label::kNear); | |
2140 __ movl(rax, FieldOperand(rax, String::kHashFieldOffset)); | |
2141 __ IndexFromHash(rax, rax); | |
2142 __ Ret(); | |
2143 | |
2144 __ bind(&runtime); | |
2145 { | |
2146 FrameScope frame(masm, StackFrame::INTERNAL); | |
2147 // Push argument. | |
2148 __ Push(rax); | |
2149 // We cannot use a tail call here because this builtin can also be called | |
2150 // from wasm. | |
2151 __ CallRuntime(Runtime::kStringToNumber); | |
2152 } | |
2153 __ Ret(); | |
2154 } | |
2155 | |
2156 // static | 2131 // static |
2157 void Builtins::Generate_ToNumber(MacroAssembler* masm) { | 2132 void Builtins::Generate_ToNumber(MacroAssembler* masm) { |
2158 // The ToNumber stub takes one argument in rax. | 2133 // The ToNumber stub takes one argument in rax. |
2159 Label not_smi; | 2134 Label not_smi; |
2160 __ JumpIfNotSmi(rax, ¬_smi, Label::kNear); | 2135 __ JumpIfNotSmi(rax, ¬_smi, Label::kNear); |
2161 __ Ret(); | 2136 __ Ret(); |
2162 __ bind(¬_smi); | 2137 __ bind(¬_smi); |
2163 | 2138 |
2164 Label not_heap_number; | 2139 Label not_heap_number; |
2165 __ CompareRoot(FieldOperand(rax, HeapObject::kMapOffset), | 2140 __ CompareRoot(FieldOperand(rax, HeapObject::kMapOffset), |
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3070 void Builtins::Generate_InterpreterOnStackReplacement(MacroAssembler* masm) { | 3045 void Builtins::Generate_InterpreterOnStackReplacement(MacroAssembler* masm) { |
3071 Generate_OnStackReplacementHelper(masm, true); | 3046 Generate_OnStackReplacementHelper(masm, true); |
3072 } | 3047 } |
3073 | 3048 |
3074 #undef __ | 3049 #undef __ |
3075 | 3050 |
3076 } // namespace internal | 3051 } // namespace internal |
3077 } // namespace v8 | 3052 } // namespace v8 |
3078 | 3053 |
3079 #endif // V8_TARGET_ARCH_X64 | 3054 #endif // V8_TARGET_ARCH_X64 |
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