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Issue 2729853003: [arm64][turbofan] Tst instructions can have a shifted operand. (Closed)
Patch Set: typo Created 3 years, 9 months 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/compilation-info.h" 9 #include "src/compilation-info.h"
10 #include "src/compiler/code-generator-impl.h" 10 #include "src/compiler/code-generator-impl.h"
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1271 case kArm64Cmp32: 1271 case kArm64Cmp32:
1272 __ Cmp(i.InputOrZeroRegister32(0), i.InputOperand2_32(1)); 1272 __ Cmp(i.InputOrZeroRegister32(0), i.InputOperand2_32(1));
1273 break; 1273 break;
1274 case kArm64Cmn: 1274 case kArm64Cmn:
1275 __ Cmn(i.InputOrZeroRegister64(0), i.InputOperand2_64(1)); 1275 __ Cmn(i.InputOrZeroRegister64(0), i.InputOperand2_64(1));
1276 break; 1276 break;
1277 case kArm64Cmn32: 1277 case kArm64Cmn32:
1278 __ Cmn(i.InputOrZeroRegister32(0), i.InputOperand2_32(1)); 1278 __ Cmn(i.InputOrZeroRegister32(0), i.InputOperand2_32(1));
1279 break; 1279 break;
1280 case kArm64Tst: 1280 case kArm64Tst:
1281 __ Tst(i.InputOrZeroRegister64(0), i.InputOperand(1)); 1281 __ Tst(i.InputOrZeroRegister64(0), i.InputOperand2_64(1));
1282 break; 1282 break;
1283 case kArm64Tst32: 1283 case kArm64Tst32:
1284 __ Tst(i.InputOrZeroRegister32(0), i.InputOperand32(1)); 1284 __ Tst(i.InputOrZeroRegister32(0), i.InputOperand2_32(1));
1285 break; 1285 break;
1286 case kArm64Float32Cmp: 1286 case kArm64Float32Cmp:
1287 if (instr->InputAt(1)->IsFPRegister()) { 1287 if (instr->InputAt(1)->IsFPRegister()) {
1288 __ Fcmp(i.InputFloat32Register(0), i.InputFloat32Register(1)); 1288 __ Fcmp(i.InputFloat32Register(0), i.InputFloat32Register(1));
1289 } else { 1289 } else {
1290 DCHECK(instr->InputAt(1)->IsImmediate()); 1290 DCHECK(instr->InputAt(1)->IsImmediate());
1291 // 0.0 is the only immediate supported by fcmp instructions. 1291 // 0.0 is the only immediate supported by fcmp instructions.
1292 DCHECK(i.InputFloat32(1) == 0.0f); 1292 DCHECK(i.InputFloat32(1) == 0.0f);
1293 __ Fcmp(i.InputFloat32Register(0), i.InputFloat32(1)); 1293 __ Fcmp(i.InputFloat32Register(0), i.InputFloat32(1));
1294 } 1294 }
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2177 padding_size -= kInstructionSize; 2177 padding_size -= kInstructionSize;
2178 } 2178 }
2179 } 2179 }
2180 } 2180 }
2181 2181
2182 #undef __ 2182 #undef __
2183 2183
2184 } // namespace compiler 2184 } // namespace compiler
2185 } // namespace internal 2185 } // namespace internal
2186 } // namespace v8 2186 } // namespace v8
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