| // Copyright 2014 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 kArm64Add: |
| case kArm64Add32: |
| case kArm64And: |
| case kArm64And32: |
| case kArm64Bic: |
| case kArm64Bic32: |
| case kArm64Clz: |
| case kArm64Clz32: |
| case kArm64Cmp: |
| case kArm64Cmp32: |
| case kArm64Cmn: |
| case kArm64Cmn32: |
| case kArm64Tst: |
| case kArm64Tst32: |
| case kArm64Or: |
| case kArm64Or32: |
| case kArm64Orn: |
| case kArm64Orn32: |
| case kArm64Eor: |
| case kArm64Eor32: |
| case kArm64Eon: |
| case kArm64Eon32: |
| case kArm64Sub: |
| case kArm64Sub32: |
| case kArm64Mul: |
| case kArm64Mul32: |
| case kArm64Smull: |
| case kArm64Umull: |
| case kArm64Madd: |
| case kArm64Madd32: |
| case kArm64Msub: |
| case kArm64Msub32: |
| case kArm64Mneg: |
| case kArm64Mneg32: |
| case kArm64Idiv: |
| case kArm64Idiv32: |
| case kArm64Udiv: |
| case kArm64Udiv32: |
| case kArm64Imod: |
| case kArm64Imod32: |
| case kArm64Umod: |
| case kArm64Umod32: |
| case kArm64Not: |
| case kArm64Not32: |
| case kArm64Lsl: |
| case kArm64Lsl32: |
| case kArm64Lsr: |
| case kArm64Lsr32: |
| case kArm64Asr: |
| case kArm64Asr32: |
| case kArm64Ror: |
| case kArm64Ror32: |
| case kArm64Mov32: |
| case kArm64Sxtb32: |
| case kArm64Sxth32: |
| case kArm64Sxtw: |
| case kArm64Sbfx32: |
| case kArm64Ubfx: |
| case kArm64Ubfx32: |
| case kArm64Ubfiz32: |
| case kArm64Bfi: |
| case kArm64Float32Cmp: |
| case kArm64Float32Add: |
| case kArm64Float32Sub: |
| case kArm64Float32Mul: |
| case kArm64Float32Div: |
| case kArm64Float32Max: |
| case kArm64Float32Min: |
| case kArm64Float32Abs: |
| case kArm64Float32Sqrt: |
| case kArm64Float32RoundDown: |
| case kArm64Float64Cmp: |
| case kArm64Float64Add: |
| case kArm64Float64Sub: |
| case kArm64Float64Mul: |
| case kArm64Float64Div: |
| case kArm64Float64Mod: |
| case kArm64Float64Max: |
| case kArm64Float64Min: |
| case kArm64Float64Abs: |
| case kArm64Float64Neg: |
| case kArm64Float64Sqrt: |
| case kArm64Float64RoundDown: |
| case kArm64Float64RoundTiesAway: |
| case kArm64Float64RoundTruncate: |
| case kArm64Float64RoundTiesEven: |
| case kArm64Float64RoundUp: |
| case kArm64Float32RoundTiesEven: |
| case kArm64Float32RoundTruncate: |
| case kArm64Float32RoundUp: |
| case kArm64Float32ToFloat64: |
| case kArm64Float64ToFloat32: |
| case kArm64Float64ToInt32: |
| case kArm64Float64ToUint32: |
| case kArm64Float32ToInt64: |
| case kArm64Float64ToInt64: |
| case kArm64Float32ToUint64: |
| case kArm64Float64ToUint64: |
| case kArm64Int32ToFloat64: |
| case kArm64Int64ToFloat32: |
| case kArm64Int64ToFloat64: |
| case kArm64Uint32ToFloat64: |
| case kArm64Uint64ToFloat32: |
| case kArm64Uint64ToFloat64: |
| case kArm64Float64ExtractLowWord32: |
| case kArm64Float64ExtractHighWord32: |
| case kArm64Float64InsertLowWord32: |
| case kArm64Float64InsertHighWord32: |
| case kArm64Float64MoveU64: |
| case kArm64U64MoveFloat64: |
| return kNoOpcodeFlags; |
| |
| case kArm64TestAndBranch32: |
| case kArm64TestAndBranch: |
| case kArm64CompareAndBranch32: |
| return kIsBlockTerminator; |
| |
| case kArm64LdrS: |
| case kArm64LdrD: |
| case kArm64Ldrb: |
| case kArm64Ldrsb: |
| case kArm64Ldrh: |
| case kArm64Ldrsh: |
| case kArm64LdrW: |
| case kArm64Ldr: |
| return kIsLoadOperation; |
| |
| case kArm64ClaimForCallArguments: |
| case kArm64Poke: |
| case kArm64PokePair: |
| case kArm64StrS: |
| case kArm64StrD: |
| case kArm64Strb: |
| case kArm64Strh: |
| case kArm64StrW: |
| case kArm64Str: |
| 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) { |
| // Basic latency modeling for arm64 instructions. They have been determined |
| // in an empirical way. |
| switch (instr->arch_opcode()) { |
| case kArm64Float32ToFloat64: |
| case kArm64Float64ToFloat32: |
| case kArm64Float64ToInt32: |
| case kArm64Float64ToUint32: |
| case kArm64Int32ToFloat64: |
| case kArm64Uint32ToFloat64: |
| return 3; |
| |
| case kArm64Float64Add: |
| case kArm64Float64Sub: |
| return 2; |
| |
| case kArm64Float64Mul: |
| return 3; |
| |
| case kArm64Float64Div: |
| return 6; |
| |
| case kArm64Lsl: |
| case kArm64Lsl32: |
| case kArm64Lsr: |
| case kArm64Lsr32: |
| case kArm64Asr: |
| case kArm64Asr32: |
| case kArm64Ror: |
| case kArm64Ror32: |
| return 3; |
| |
| case kCheckedLoadInt8: |
| case kCheckedLoadUint8: |
| case kCheckedLoadInt16: |
| case kCheckedLoadUint16: |
| case kCheckedLoadWord32: |
| case kCheckedLoadWord64: |
| case kCheckedLoadFloat32: |
| case kCheckedLoadFloat64: |
| case kArm64LdrS: |
| case kArm64LdrD: |
| case kArm64Ldrb: |
| case kArm64Ldrsb: |
| case kArm64Ldrh: |
| case kArm64Ldrsh: |
| case kArm64LdrW: |
| case kArm64Ldr: |
| return 5; |
| |
| default: |
| return 1; |
| } |
| } |
| |
| } // namespace compiler |
| } // namespace internal |
| } // namespace v8 |