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Issue 1410123009: [turbofan] Use cmn on ARM64 for negated rhs cmp (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 5 years, 1 month ago
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1 // Copyright 2014 the V8 project authors. All rights reserved. 1 // Copyright 2014 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/compiler/code-generator.h" 5 #include "src/compiler/code-generator.h"
6 6
7 #include "src/arm64/frames-arm64.h" 7 #include "src/arm64/frames-arm64.h"
8 #include "src/arm64/macro-assembler-arm64.h" 8 #include "src/arm64/macro-assembler-arm64.h"
9 #include "src/compiler/code-generator-impl.h" 9 #include "src/compiler/code-generator-impl.h"
10 #include "src/compiler/gap-resolver.h" 10 #include "src/compiler/gap-resolver.h"
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777 case kArm64Clz32: 777 case kArm64Clz32:
778 __ Clz(i.OutputRegister32(), i.InputRegister32(0)); 778 __ Clz(i.OutputRegister32(), i.InputRegister32(0));
779 break; 779 break;
780 case kArm64Cmp: 780 case kArm64Cmp:
781 __ Cmp(i.InputOrZeroRegister64(0), i.InputOperand(1)); 781 __ Cmp(i.InputOrZeroRegister64(0), i.InputOperand(1));
782 break; 782 break;
783 case kArm64Cmp32: 783 case kArm64Cmp32:
784 __ Cmp(i.InputOrZeroRegister32(0), i.InputOperand2_32(1)); 784 __ Cmp(i.InputOrZeroRegister32(0), i.InputOperand2_32(1));
785 break; 785 break;
786 case kArm64Cmn: 786 case kArm64Cmn:
787 __ Cmn(i.InputRegister(0), i.InputOperand(1)); 787 __ Cmn(i.InputOrZeroRegister64(0), i.InputOperand(1));
788 break; 788 break;
789 case kArm64Cmn32: 789 case kArm64Cmn32:
790 __ Cmn(i.InputRegister32(0), i.InputOperand32(1)); 790 __ Cmn(i.InputOrZeroRegister32(0), i.InputOperand2_32(1));
791 break; 791 break;
792 case kArm64Tst: 792 case kArm64Tst:
793 __ Tst(i.InputRegister(0), i.InputOperand(1)); 793 __ Tst(i.InputRegister(0), i.InputOperand(1));
794 break; 794 break;
795 case kArm64Tst32: 795 case kArm64Tst32:
796 __ Tst(i.InputRegister32(0), i.InputOperand32(1)); 796 __ Tst(i.InputRegister32(0), i.InputOperand32(1));
797 break; 797 break;
798 case kArm64Float32Cmp: 798 case kArm64Float32Cmp:
799 if (instr->InputAt(1)->IsDoubleRegister()) { 799 if (instr->InputAt(1)->IsDoubleRegister()) {
800 __ Fcmp(i.InputFloat32Register(0), i.InputFloat32Register(1)); 800 __ Fcmp(i.InputFloat32Register(0), i.InputFloat32Register(1));
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1460 padding_size -= kInstructionSize; 1460 padding_size -= kInstructionSize;
1461 } 1461 }
1462 } 1462 }
1463 } 1463 }
1464 1464
1465 #undef __ 1465 #undef __
1466 1466
1467 } // namespace compiler 1467 } // namespace compiler
1468 } // namespace internal 1468 } // namespace internal
1469 } // namespace v8 1469 } // namespace v8
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