| // Copyright 2015 the V8 project authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "src/compiler/instruction-scheduler.h" |
| |
| namespace v8 { |
| namespace internal { |
| namespace compiler { |
| |
| bool InstructionScheduler::SchedulerSupported() { return true; } |
| |
| |
| int InstructionScheduler::GetTargetInstructionFlags( |
| const Instruction* instr) const { |
| switch (instr->arch_opcode()) { |
| case kArmAdd: |
| case kArmAnd: |
| case kArmBic: |
| case kArmClz: |
| case kArmCmp: |
| case kArmCmn: |
| case kArmTst: |
| case kArmTeq: |
| case kArmOrr: |
| case kArmEor: |
| case kArmSub: |
| case kArmRsb: |
| case kArmMul: |
| case kArmMla: |
| case kArmMls: |
| case kArmSmmul: |
| case kArmSmmla: |
| case kArmUmull: |
| case kArmSdiv: |
| case kArmUdiv: |
| case kArmMov: |
| case kArmMvn: |
| case kArmBfc: |
| case kArmUbfx: |
| case kArmSbfx: |
| case kArmSxtb: |
| case kArmSxth: |
| case kArmSxtab: |
| case kArmSxtah: |
| case kArmUxtb: |
| case kArmUxth: |
| case kArmUxtab: |
| case kArmUxtah: |
| case kArmRbit: |
| case kArmAddPair: |
| case kArmSubPair: |
| case kArmMulPair: |
| case kArmLslPair: |
| case kArmLsrPair: |
| case kArmAsrPair: |
| case kArmVcmpF32: |
| case kArmVaddF32: |
| case kArmVsubF32: |
| case kArmVmulF32: |
| case kArmVmlaF32: |
| case kArmVmlsF32: |
| case kArmVdivF32: |
| case kArmVabsF32: |
| case kArmVnegF32: |
| case kArmVsqrtF32: |
| case kArmVcmpF64: |
| case kArmVaddF64: |
| case kArmVsubF64: |
| case kArmVmulF64: |
| case kArmVmlaF64: |
| case kArmVmlsF64: |
| case kArmVdivF64: |
| case kArmVmodF64: |
| case kArmVabsF64: |
| case kArmVnegF64: |
| case kArmVsqrtF64: |
| case kArmVrintmF32: |
| case kArmVrintmF64: |
| case kArmVrintpF32: |
| case kArmVrintpF64: |
| case kArmVrintzF32: |
| case kArmVrintzF64: |
| case kArmVrintaF64: |
| case kArmVrintnF32: |
| case kArmVrintnF64: |
| case kArmVcvtF32F64: |
| case kArmVcvtF64F32: |
| case kArmVcvtF32S32: |
| case kArmVcvtF32U32: |
| case kArmVcvtF64S32: |
| case kArmVcvtF64U32: |
| case kArmVcvtS32F32: |
| case kArmVcvtU32F32: |
| case kArmVcvtS32F64: |
| case kArmVcvtU32F64: |
| case kArmVmovLowU32F64: |
| case kArmVmovLowF64U32: |
| case kArmVmovHighU32F64: |
| case kArmVmovHighF64U32: |
| case kArmVmovF64U32U32: |
| case kArmFloat64Max: |
| case kArmFloat64Min: |
| case kArmFloat32Max: |
| case kArmFloat32Min: |
| return kNoOpcodeFlags; |
| |
| case kArmVldrF32: |
| case kArmVldrF64: |
| case kArmLdrb: |
| case kArmLdrsb: |
| case kArmLdrh: |
| case kArmLdrsh: |
| case kArmLdr: |
| return kIsLoadOperation; |
| |
| case kArmVstrF32: |
| case kArmVstrF64: |
| case kArmStrb: |
| case kArmStrh: |
| case kArmStr: |
| case kArmPush: |
| case kArmPoke: |
| return kHasSideEffect; |
| |
| #define CASE(Name) case k##Name: |
| COMMON_ARCH_OPCODE_LIST(CASE) |
| #undef CASE |
| // Already covered in architecture independent code. |
| UNREACHABLE(); |
| } |
| |
| UNREACHABLE(); |
| return kNoOpcodeFlags; |
| } |
| |
| |
| int InstructionScheduler::GetInstructionLatency(const Instruction* instr) { |
| // TODO(all): Add instruction cost modeling. |
| return 1; |
| } |
| |
| } // namespace compiler |
| } // namespace internal |
| } // namespace v8 |