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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 #if V8_TARGET_ARCH_X87 | 7 #if V8_TARGET_ARCH_X87 |
8 | 8 |
9 #include "src/base/bits.h" | 9 #include "src/base/bits.h" |
10 #include "src/bootstrapper.h" | 10 #include "src/bootstrapper.h" |
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1372 __ j(equal, &generic_heap_number_comparison, Label::kNear); | 1372 __ j(equal, &generic_heap_number_comparison, Label::kNear); |
1373 if (cc != equal) { | 1373 if (cc != equal) { |
1374 __ mov(ecx, FieldOperand(eax, HeapObject::kMapOffset)); | 1374 __ mov(ecx, FieldOperand(eax, HeapObject::kMapOffset)); |
1375 __ movzx_b(ecx, FieldOperand(ecx, Map::kInstanceTypeOffset)); | 1375 __ movzx_b(ecx, FieldOperand(ecx, Map::kInstanceTypeOffset)); |
1376 // Call runtime on identical JSObjects. Otherwise return equal. | 1376 // Call runtime on identical JSObjects. Otherwise return equal. |
1377 __ cmpb(ecx, static_cast<uint8_t>(FIRST_SPEC_OBJECT_TYPE)); | 1377 __ cmpb(ecx, static_cast<uint8_t>(FIRST_SPEC_OBJECT_TYPE)); |
1378 __ j(above_equal, &runtime_call, Label::kFar); | 1378 __ j(above_equal, &runtime_call, Label::kFar); |
1379 // Call runtime on identical symbols since we need to throw a TypeError. | 1379 // Call runtime on identical symbols since we need to throw a TypeError. |
1380 __ cmpb(ecx, static_cast<uint8_t>(SYMBOL_TYPE)); | 1380 __ cmpb(ecx, static_cast<uint8_t>(SYMBOL_TYPE)); |
1381 __ j(equal, &runtime_call, Label::kFar); | 1381 __ j(equal, &runtime_call, Label::kFar); |
1382 // Call runtime on identical SIMD values since we must throw a TypeError. | |
1383 __ cmpb(ecx, static_cast<uint8_t>(FLOAT32X4_TYPE)); | |
1384 __ j(equal, &runtime_call, Label::kFar); | |
1385 if (is_strong(strength())) { | 1382 if (is_strong(strength())) { |
1386 // We have already tested for smis and heap numbers, so if both | 1383 // We have already tested for smis and heap numbers, so if both |
1387 // arguments are not strings we must proceed to the slow case. | 1384 // arguments are not strings we must proceed to the slow case. |
1388 __ test(ecx, Immediate(kIsNotStringMask)); | 1385 __ test(ecx, Immediate(kIsNotStringMask)); |
1389 __ j(not_zero, &runtime_call, Label::kFar); | 1386 __ j(not_zero, &runtime_call, Label::kFar); |
1390 } | 1387 } |
1391 } | 1388 } |
1392 __ Move(eax, Immediate(Smi::FromInt(EQUAL))); | 1389 __ Move(eax, Immediate(Smi::FromInt(EQUAL))); |
1393 __ ret(0); | 1390 __ ret(0); |
1394 | 1391 |
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5137 Operand(ebp, 7 * kPointerSize), NULL); | 5134 Operand(ebp, 7 * kPointerSize), NULL); |
5138 } | 5135 } |
5139 | 5136 |
5140 | 5137 |
5141 #undef __ | 5138 #undef __ |
5142 | 5139 |
5143 } // namespace internal | 5140 } // namespace internal |
5144 } // namespace v8 | 5141 } // namespace v8 |
5145 | 5142 |
5146 #endif // V8_TARGET_ARCH_X87 | 5143 #endif // V8_TARGET_ARCH_X87 |
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