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1 // Copyright 2015 the V8 project authors. All rights reserved. | 1 // Copyright 2015 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-scheduler.h" | 5 #include "src/compiler/instruction-scheduler.h" |
6 | 6 |
7 namespace v8 { | 7 namespace v8 { |
8 namespace internal { | 8 namespace internal { |
9 namespace compiler { | 9 namespace compiler { |
10 | 10 |
11 bool InstructionScheduler::SchedulerSupported() { return true; } | 11 bool InstructionScheduler::SchedulerSupported() { return true; } |
12 | 12 |
13 int InstructionScheduler::GetTargetInstructionFlags( | 13 int InstructionScheduler::GetTargetInstructionFlags( |
14 const Instruction* instr) const { | 14 const Instruction* instr) const { |
15 switch (instr->arch_opcode()) { | 15 switch (instr->arch_opcode()) { |
16 case kS390_And: | 16 case kS390_And: |
17 case kS390_AndComplement: | |
18 case kS390_Or: | 17 case kS390_Or: |
19 case kS390_OrComplement: | |
20 case kS390_Xor: | 18 case kS390_Xor: |
21 case kS390_ShiftLeft32: | 19 case kS390_ShiftLeft32: |
22 case kS390_ShiftLeft64: | 20 case kS390_ShiftLeft64: |
23 case kS390_ShiftLeftPair: | 21 case kS390_ShiftLeftPair: |
24 case kS390_ShiftRight32: | 22 case kS390_ShiftRight32: |
25 case kS390_ShiftRight64: | 23 case kS390_ShiftRight64: |
26 case kS390_ShiftRightPair: | 24 case kS390_ShiftRightPair: |
27 case kS390_ShiftRightArith32: | 25 case kS390_ShiftRightArith32: |
28 case kS390_ShiftRightArith64: | 26 case kS390_ShiftRightArith64: |
29 case kS390_ShiftRightArithPair: | 27 case kS390_ShiftRightArithPair: |
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166 } | 164 } |
167 | 165 |
168 int InstructionScheduler::GetInstructionLatency(const Instruction* instr) { | 166 int InstructionScheduler::GetInstructionLatency(const Instruction* instr) { |
169 // TODO(all): Add instruction cost modeling. | 167 // TODO(all): Add instruction cost modeling. |
170 return 1; | 168 return 1; |
171 } | 169 } |
172 | 170 |
173 } // namespace compiler | 171 } // namespace compiler |
174 } // namespace internal | 172 } // namespace internal |
175 } // namespace v8 | 173 } // namespace v8 |
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