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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 #include "src/v8.h" | 5 #include "src/v8.h" |
6 | 6 |
7 #include "src/arm/lithium-codegen-arm.h" | 7 #include "src/arm/lithium-codegen-arm.h" |
8 #include "src/arm/lithium-gap-resolver-arm.h" | 8 #include "src/arm/lithium-gap-resolver-arm.h" |
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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2261 __ b(instr->FalseLabel(chunk_)); | 2261 __ b(instr->FalseLabel(chunk_)); |
2262 __ bind(¬_string); | 2262 __ bind(¬_string); |
2263 } | 2263 } |
2264 | 2264 |
2265 if (expected.Contains(ToBooleanStub::SYMBOL)) { | 2265 if (expected.Contains(ToBooleanStub::SYMBOL)) { |
2266 // Symbol value -> true. | 2266 // Symbol value -> true. |
2267 __ CompareInstanceType(map, ip, SYMBOL_TYPE); | 2267 __ CompareInstanceType(map, ip, SYMBOL_TYPE); |
2268 __ b(eq, instr->TrueLabel(chunk_)); | 2268 __ b(eq, instr->TrueLabel(chunk_)); |
2269 } | 2269 } |
2270 | 2270 |
2271 if (expected.Contains(ToBooleanStub::SIMD_VALUE)) { | |
2272 // SIMD value -> true. | |
2273 __ CompareInstanceType(map, ip, FLOAT32X4_TYPE); | |
2274 __ b(eq, instr->TrueLabel(chunk_)); | |
2275 } | |
2276 | |
2277 if (expected.Contains(ToBooleanStub::HEAP_NUMBER)) { | 2271 if (expected.Contains(ToBooleanStub::HEAP_NUMBER)) { |
2278 // heap number -> false iff +0, -0, or NaN. | 2272 // heap number -> false iff +0, -0, or NaN. |
2279 DwVfpRegister dbl_scratch = double_scratch0(); | 2273 DwVfpRegister dbl_scratch = double_scratch0(); |
2280 Label not_heap_number; | 2274 Label not_heap_number; |
2281 __ CompareRoot(map, Heap::kHeapNumberMapRootIndex); | 2275 __ CompareRoot(map, Heap::kHeapNumberMapRootIndex); |
2282 __ b(ne, ¬_heap_number); | 2276 __ b(ne, ¬_heap_number); |
2283 __ vldr(dbl_scratch, FieldMemOperand(reg, HeapNumber::kValueOffset)); | 2277 __ vldr(dbl_scratch, FieldMemOperand(reg, HeapNumber::kValueOffset)); |
2284 __ VFPCompareAndSetFlags(dbl_scratch, 0.0); | 2278 __ VFPCompareAndSetFlags(dbl_scratch, 0.0); |
2285 __ cmp(r0, r0, vs); // NaN -> false. | 2279 __ cmp(r0, r0, vs); // NaN -> false. |
2286 __ b(eq, instr->FalseLabel(chunk_)); // +0, -0 -> false. | 2280 __ b(eq, instr->FalseLabel(chunk_)); // +0, -0 -> false. |
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5680 __ CheckObjectTypeRange(input, | 5674 __ CheckObjectTypeRange(input, |
5681 map, | 5675 map, |
5682 FIRST_NONCALLABLE_SPEC_OBJECT_TYPE, | 5676 FIRST_NONCALLABLE_SPEC_OBJECT_TYPE, |
5683 LAST_NONCALLABLE_SPEC_OBJECT_TYPE, | 5677 LAST_NONCALLABLE_SPEC_OBJECT_TYPE, |
5684 false_label); | 5678 false_label); |
5685 // Check for undetectable objects => false. | 5679 // Check for undetectable objects => false. |
5686 __ ldrb(scratch, FieldMemOperand(map, Map::kBitFieldOffset)); | 5680 __ ldrb(scratch, FieldMemOperand(map, Map::kBitFieldOffset)); |
5687 __ tst(scratch, Operand(1 << Map::kIsUndetectable)); | 5681 __ tst(scratch, Operand(1 << Map::kIsUndetectable)); |
5688 final_branch_condition = eq; | 5682 final_branch_condition = eq; |
5689 | 5683 |
5690 } else if (String::Equals(type_name, factory->float32x4_string())) { | |
5691 __ JumpIfSmi(input, false_label); | |
5692 __ CompareObjectType(input, scratch, no_reg, FLOAT32X4_TYPE); | |
5693 final_branch_condition = eq; | |
5694 | |
5695 } else { | 5684 } else { |
5696 __ b(false_label); | 5685 __ b(false_label); |
5697 } | 5686 } |
5698 | 5687 |
5699 return final_branch_condition; | 5688 return final_branch_condition; |
5700 } | 5689 } |
5701 | 5690 |
5702 | 5691 |
5703 void LCodeGen::DoIsConstructCallAndBranch(LIsConstructCallAndBranch* instr) { | 5692 void LCodeGen::DoIsConstructCallAndBranch(LIsConstructCallAndBranch* instr) { |
5704 Register temp1 = ToRegister(instr->temp()); | 5693 Register temp1 = ToRegister(instr->temp()); |
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6001 __ push(ToRegister(instr->function())); | 5990 __ push(ToRegister(instr->function())); |
6002 CallRuntime(Runtime::kPushBlockContext, 2, instr); | 5991 CallRuntime(Runtime::kPushBlockContext, 2, instr); |
6003 RecordSafepoint(Safepoint::kNoLazyDeopt); | 5992 RecordSafepoint(Safepoint::kNoLazyDeopt); |
6004 } | 5993 } |
6005 | 5994 |
6006 | 5995 |
6007 #undef __ | 5996 #undef __ |
6008 | 5997 |
6009 } // namespace internal | 5998 } // namespace internal |
6010 } // namespace v8 | 5999 } // namespace v8 |
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