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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/instruction-selector-impl.h" | 5 #include "src/compiler/instruction-selector-impl.h" |
6 #include "src/compiler/node-matchers.h" | 6 #include "src/compiler/node-matchers.h" |
7 | 7 |
8 namespace v8 { | 8 namespace v8 { |
9 namespace internal { | 9 namespace internal { |
10 namespace compiler { | 10 namespace compiler { |
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344 outputs[output_count++] = g.DefineSameAsFirst(node); | 344 outputs[output_count++] = g.DefineSameAsFirst(node); |
345 if (cont->IsSet()) { | 345 if (cont->IsSet()) { |
346 outputs[output_count++] = g.DefineAsRegister(cont->result()); | 346 outputs[output_count++] = g.DefineAsRegister(cont->result()); |
347 } | 347 } |
348 | 348 |
349 DCHECK_NE(0, static_cast<int>(input_count)); | 349 DCHECK_NE(0, static_cast<int>(input_count)); |
350 DCHECK_NE(0, static_cast<int>(output_count)); | 350 DCHECK_NE(0, static_cast<int>(output_count)); |
351 DCHECK_GE(arraysize(inputs), input_count); | 351 DCHECK_GE(arraysize(inputs), input_count); |
352 DCHECK_GE(arraysize(outputs), output_count); | 352 DCHECK_GE(arraysize(outputs), output_count); |
353 | 353 |
354 selector->Emit(cont->Encode(opcode), output_count, outputs, input_count, | 354 Instruction* instr = selector->Emit(cont->Encode(opcode), output_count, |
355 inputs); | 355 outputs, input_count, inputs); |
| 356 if (cont->IsBranch()) instr->MarkAsControl(); |
356 } | 357 } |
357 | 358 |
358 | 359 |
359 // Shared routine for multiple binary operations. | 360 // Shared routine for multiple binary operations. |
360 static void VisitBinop(InstructionSelector* selector, Node* node, | 361 static void VisitBinop(InstructionSelector* selector, Node* node, |
361 InstructionCode opcode) { | 362 InstructionCode opcode) { |
362 FlagsContinuation cont; | 363 FlagsContinuation cont; |
363 VisitBinop(selector, node, opcode, &cont); | 364 VisitBinop(selector, node, opcode, &cont); |
364 } | 365 } |
365 | 366 |
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969 | 970 |
970 | 971 |
971 // Shared routine for multiple compare operations. | 972 // Shared routine for multiple compare operations. |
972 static void VisitCompare(InstructionSelector* selector, InstructionCode opcode, | 973 static void VisitCompare(InstructionSelector* selector, InstructionCode opcode, |
973 InstructionOperand* left, InstructionOperand* right, | 974 InstructionOperand* left, InstructionOperand* right, |
974 FlagsContinuation* cont) { | 975 FlagsContinuation* cont) { |
975 X64OperandGenerator g(selector); | 976 X64OperandGenerator g(selector); |
976 opcode = cont->Encode(opcode); | 977 opcode = cont->Encode(opcode); |
977 if (cont->IsBranch()) { | 978 if (cont->IsBranch()) { |
978 selector->Emit(opcode, NULL, left, right, g.Label(cont->true_block()), | 979 selector->Emit(opcode, NULL, left, right, g.Label(cont->true_block()), |
979 g.Label(cont->false_block())); | 980 g.Label(cont->false_block()))->MarkAsControl(); |
980 } else { | 981 } else { |
981 DCHECK(cont->IsSet()); | 982 DCHECK(cont->IsSet()); |
982 selector->Emit(opcode, g.DefineAsRegister(cont->result()), left, right); | 983 selector->Emit(opcode, g.DefineAsRegister(cont->result()), left, right); |
983 } | 984 } |
984 } | 985 } |
985 | 986 |
986 | 987 |
987 // Shared routine for multiple compare operations. | 988 // Shared routine for multiple compare operations. |
988 static void VisitCompare(InstructionSelector* selector, InstructionCode opcode, | 989 static void VisitCompare(InstructionSelector* selector, InstructionCode opcode, |
989 Node* left, Node* right, FlagsContinuation* cont, | 990 Node* left, Node* right, FlagsContinuation* cont, |
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1307 MachineOperatorBuilder::kFloat64Ceil | | 1308 MachineOperatorBuilder::kFloat64Ceil | |
1308 MachineOperatorBuilder::kFloat64RoundTruncate | | 1309 MachineOperatorBuilder::kFloat64RoundTruncate | |
1309 MachineOperatorBuilder::kWord32ShiftIsSafe; | 1310 MachineOperatorBuilder::kWord32ShiftIsSafe; |
1310 } | 1311 } |
1311 return MachineOperatorBuilder::kNoFlags; | 1312 return MachineOperatorBuilder::kNoFlags; |
1312 } | 1313 } |
1313 | 1314 |
1314 } // namespace compiler | 1315 } // namespace compiler |
1315 } // namespace internal | 1316 } // namespace internal |
1316 } // namespace v8 | 1317 } // namespace v8 |
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