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1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 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 #include "src/v8.h" | 5 #include "src/v8.h" |
6 | 6 |
7 #if V8_TARGET_ARCH_X64 | 7 #if V8_TARGET_ARCH_X64 |
8 | 8 |
9 #include "src/base/bits.h" | 9 #include "src/base/bits.h" |
10 #include "src/code-factory.h" | 10 #include "src/code-factory.h" |
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2201 __ jmp(instr->FalseLabel(chunk_)); | 2201 __ jmp(instr->FalseLabel(chunk_)); |
2202 __ bind(¬_string); | 2202 __ bind(¬_string); |
2203 } | 2203 } |
2204 | 2204 |
2205 if (expected.Contains(ToBooleanStub::SYMBOL)) { | 2205 if (expected.Contains(ToBooleanStub::SYMBOL)) { |
2206 // Symbol value -> true. | 2206 // Symbol value -> true. |
2207 __ CmpInstanceType(map, SYMBOL_TYPE); | 2207 __ CmpInstanceType(map, SYMBOL_TYPE); |
2208 __ j(equal, instr->TrueLabel(chunk_)); | 2208 __ j(equal, instr->TrueLabel(chunk_)); |
2209 } | 2209 } |
2210 | 2210 |
2211 if (expected.Contains(ToBooleanStub::SIMD_VALUE)) { | |
2212 // SIMD value -> true. | |
2213 __ CmpInstanceType(map, FLOAT32X4_TYPE); | |
2214 __ j(equal, instr->TrueLabel(chunk_)); | |
2215 } | |
2216 | |
2217 if (expected.Contains(ToBooleanStub::HEAP_NUMBER)) { | 2211 if (expected.Contains(ToBooleanStub::HEAP_NUMBER)) { |
2218 // heap number -> false iff +0, -0, or NaN. | 2212 // heap number -> false iff +0, -0, or NaN. |
2219 Label not_heap_number; | 2213 Label not_heap_number; |
2220 __ CompareRoot(map, Heap::kHeapNumberMapRootIndex); | 2214 __ CompareRoot(map, Heap::kHeapNumberMapRootIndex); |
2221 __ j(not_equal, ¬_heap_number, Label::kNear); | 2215 __ j(not_equal, ¬_heap_number, Label::kNear); |
2222 XMMRegister xmm_scratch = double_scratch0(); | 2216 XMMRegister xmm_scratch = double_scratch0(); |
2223 __ xorps(xmm_scratch, xmm_scratch); | 2217 __ xorps(xmm_scratch, xmm_scratch); |
2224 __ ucomisd(xmm_scratch, FieldOperand(reg, HeapNumber::kValueOffset)); | 2218 __ ucomisd(xmm_scratch, FieldOperand(reg, HeapNumber::kValueOffset)); |
2225 __ j(zero, instr->FalseLabel(chunk_)); | 2219 __ j(zero, instr->FalseLabel(chunk_)); |
2226 __ jmp(instr->TrueLabel(chunk_)); | 2220 __ jmp(instr->TrueLabel(chunk_)); |
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5710 __ j(equal, true_label, true_distance); | 5704 __ j(equal, true_label, true_distance); |
5711 __ CmpObjectType(input, FIRST_NONCALLABLE_SPEC_OBJECT_TYPE, input); | 5705 __ CmpObjectType(input, FIRST_NONCALLABLE_SPEC_OBJECT_TYPE, input); |
5712 __ j(below, false_label, false_distance); | 5706 __ j(below, false_label, false_distance); |
5713 __ CmpInstanceType(input, LAST_NONCALLABLE_SPEC_OBJECT_TYPE); | 5707 __ CmpInstanceType(input, LAST_NONCALLABLE_SPEC_OBJECT_TYPE); |
5714 __ j(above, false_label, false_distance); | 5708 __ j(above, false_label, false_distance); |
5715 // Check for undetectable objects => false. | 5709 // Check for undetectable objects => false. |
5716 __ testb(FieldOperand(input, Map::kBitFieldOffset), | 5710 __ testb(FieldOperand(input, Map::kBitFieldOffset), |
5717 Immediate(1 << Map::kIsUndetectable)); | 5711 Immediate(1 << Map::kIsUndetectable)); |
5718 final_branch_condition = zero; | 5712 final_branch_condition = zero; |
5719 | 5713 |
5720 } else if (String::Equals(type_name, factory->float32x4_string())) { | |
5721 __ JumpIfSmi(input, false_label, false_distance); | |
5722 __ CmpObjectType(input, FLOAT32X4_TYPE, input); | |
5723 final_branch_condition = equal; | |
5724 | |
5725 } else { | 5714 } else { |
5726 __ jmp(false_label, false_distance); | 5715 __ jmp(false_label, false_distance); |
5727 } | 5716 } |
5728 | 5717 |
5729 return final_branch_condition; | 5718 return final_branch_condition; |
5730 } | 5719 } |
5731 | 5720 |
5732 | 5721 |
5733 void LCodeGen::DoIsConstructCallAndBranch(LIsConstructCallAndBranch* instr) { | 5722 void LCodeGen::DoIsConstructCallAndBranch(LIsConstructCallAndBranch* instr) { |
5734 Register temp = ToRegister(instr->temp()); | 5723 Register temp = ToRegister(instr->temp()); |
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6019 RecordSafepoint(Safepoint::kNoLazyDeopt); | 6008 RecordSafepoint(Safepoint::kNoLazyDeopt); |
6020 } | 6009 } |
6021 | 6010 |
6022 | 6011 |
6023 #undef __ | 6012 #undef __ |
6024 | 6013 |
6025 } // namespace internal | 6014 } // namespace internal |
6026 } // namespace v8 | 6015 } // namespace v8 |
6027 | 6016 |
6028 #endif // V8_TARGET_ARCH_X64 | 6017 #endif // V8_TARGET_ARCH_X64 |
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