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// 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/backend/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 kArm64Cnt:
case kArm64Tst:
case kArm64Tst32:
case kArm64Or:
case kArm64Or32:
case kArm64Orn:
case kArm64Orn32:
case kArm64Eor:
case kArm64Eor32:
case kArm64Eon:
case kArm64Eon32:
case kArm64Sadalp:
case kArm64Saddlp:
case kArm64Sub:
case kArm64Sub32:
case kArm64Mul:
case kArm64Mul32:
case kArm64Smull:
case kArm64Smull2:
case kArm64Uadalp:
case kArm64Uaddlp:
case kArm64Umull:
case kArm64Umull2:
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 kArm64Sxtb:
case kArm64Sxtb32:
case kArm64Sxth:
case kArm64Sxth32:
case kArm64Sxtw:
case kArm64Sbfx:
case kArm64Sbfx32:
case kArm64Ubfx:
case kArm64Ubfx32:
case kArm64Ubfiz32:
case kArm64Bfi:
case kArm64Rbit:
case kArm64Rbit32:
case kArm64Rev:
case kArm64Rev32:
case kArm64Float32Cmp:
case kArm64Float32Add:
case kArm64Float32Sub:
case kArm64Float32Mul:
case kArm64Float32Div:
case kArm64Float32Abs:
case kArm64Float32Abd:
case kArm64Float32Neg:
case kArm64Float32Sqrt:
case kArm64Float32Fnmul:
case kArm64Float32RoundDown:
case kArm64Float32Max:
case kArm64Float32Min:
case kArm64Float64Cmp:
case kArm64Float64Add:
case kArm64Float64Sub:
case kArm64Float64Mul:
case kArm64Float64Div:
case kArm64Float64Max:
case kArm64Float64Min:
case kArm64Float64Abs:
case kArm64Float64Abd:
case kArm64Float64Neg:
case kArm64Float64Sqrt:
case kArm64Float64Fnmul:
case kArm64Float64RoundDown:
case kArm64Float64RoundTiesAway:
case kArm64Float64RoundTruncate:
case kArm64Float64RoundTiesEven:
case kArm64Float64RoundUp:
case kArm64Float32RoundTiesEven:
case kArm64Float32RoundTruncate:
case kArm64Float32RoundUp:
case kArm64Float32ToFloat64:
case kArm64Float64ToFloat32:
case kArm64Float32ToInt32:
case kArm64Float64ToInt32:
case kArm64Float32ToUint32:
case kArm64Float64ToUint32:
case kArm64Float32ToInt64:
case kArm64Float64ToInt64:
case kArm64Float32ToUint64:
case kArm64Float64ToUint64:
case kArm64Int32ToFloat32:
case kArm64Int32ToFloat64:
case kArm64Int64ToFloat32:
case kArm64Int64ToFloat64:
case kArm64Uint32ToFloat32:
case kArm64Uint32ToFloat64:
case kArm64Uint64ToFloat32:
case kArm64Uint64ToFloat64:
case kArm64Float64ExtractLowWord32:
case kArm64Float64ExtractHighWord32:
case kArm64Float64InsertLowWord32:
case kArm64Float64InsertHighWord32:
case kArm64Float64Mod:
case kArm64Float64MoveU64:
case kArm64U64MoveFloat64:
case kArm64Float64SilenceNaN:
case kArm64F64x2Splat:
case kArm64F64x2ExtractLane:
case kArm64F64x2ReplaceLane:
case kArm64F64x2Abs:
case kArm64F64x2Neg:
case kArm64F64x2Sqrt:
case kArm64F64x2Add:
case kArm64F64x2Sub:
case kArm64F64x2Mul:
case kArm64F64x2MulElement:
case kArm64F64x2Div:
case kArm64F64x2Min:
case kArm64F64x2Max:
case kArm64F64x2Eq:
case kArm64F64x2Ne:
case kArm64F64x2Lt:
case kArm64F64x2Le:
case kArm64F64x2Qfma:
case kArm64F64x2Qfms:
case kArm64F64x2Pmin:
case kArm64F64x2Pmax:
case kArm64F64x2ConvertLowI32x4S:
case kArm64F64x2ConvertLowI32x4U:
case kArm64F64x2PromoteLowF32x4:
case kArm64F32x4Splat:
case kArm64F32x4ExtractLane:
case kArm64F32x4ReplaceLane:
case kArm64F32x4SConvertI32x4:
case kArm64F32x4UConvertI32x4:
case kArm64F32x4Abs:
case kArm64F32x4Neg:
case kArm64F32x4Sqrt:
case kArm64F32x4RecipApprox:
case kArm64F32x4RecipSqrtApprox:
case kArm64F32x4Add:
case kArm64F32x4Sub:
case kArm64F32x4Mul:
case kArm64F32x4MulElement:
case kArm64F32x4Div:
case kArm64F32x4Min:
case kArm64F32x4Max:
case kArm64F32x4Eq:
case kArm64F32x4Ne:
case kArm64F32x4Lt:
case kArm64F32x4Le:
case kArm64F32x4Qfma:
case kArm64F32x4Qfms:
case kArm64F32x4Pmin:
case kArm64F32x4Pmax:
case kArm64F32x4DemoteF64x2Zero:
case kArm64I64x2Splat:
case kArm64I64x2ExtractLane:
case kArm64I64x2ReplaceLane:
case kArm64I64x2Abs:
case kArm64I64x2Neg:
case kArm64I64x2Shl:
case kArm64I64x2ShrS:
case kArm64I64x2Add:
case kArm64I64x2Sub:
case kArm64I64x2Mul:
case kArm64I64x2Eq:
case kArm64I64x2Ne:
case kArm64I64x2GtS:
case kArm64I64x2GeS:
case kArm64I64x2ShrU:
case kArm64I64x2BitMask:
case kArm64I32x4Splat:
case kArm64I32x4ExtractLane:
case kArm64I32x4ReplaceLane:
case kArm64I32x4SConvertF32x4:
case kArm64Sxtl:
case kArm64Sxtl2:
case kArm64Uxtl:
case kArm64Uxtl2:
case kArm64I32x4Neg:
case kArm64I32x4Shl:
case kArm64I32x4ShrS:
case kArm64I32x4Add:
case kArm64I32x4Sub:
case kArm64I32x4Mul:
case kArm64I32x4Mla:
case kArm64I32x4Mls:
case kArm64I32x4MinS:
case kArm64I32x4MaxS:
case kArm64I32x4Eq:
case kArm64I32x4Ne:
case kArm64I32x4GtS:
case kArm64I32x4GeS:
case kArm64I32x4UConvertF32x4:
case kArm64I32x4ShrU:
case kArm64I32x4MinU:
case kArm64I32x4MaxU:
case kArm64I32x4GtU:
case kArm64I32x4GeU:
case kArm64I32x4Abs:
case kArm64I32x4BitMask:
case kArm64I32x4DotI16x8S:
case kArm64I32x4TruncSatF64x2SZero:
case kArm64I32x4TruncSatF64x2UZero:
case kArm64I16x8Splat:
case kArm64I16x8ExtractLaneU:
case kArm64I16x8ExtractLaneS:
case kArm64I16x8ReplaceLane:
case kArm64I16x8Neg:
case kArm64I16x8Shl:
case kArm64I16x8ShrS:
case kArm64I16x8SConvertI32x4:
case kArm64I16x8Add:
case kArm64I16x8AddSatS:
case kArm64I16x8Sub:
case kArm64I16x8SubSatS:
case kArm64I16x8Mul:
case kArm64I16x8Mla:
case kArm64I16x8Mls:
case kArm64I16x8MinS:
case kArm64I16x8MaxS:
case kArm64I16x8Eq:
case kArm64I16x8Ne:
case kArm64I16x8GtS:
case kArm64I16x8GeS:
case kArm64I16x8ShrU:
case kArm64I16x8UConvertI32x4:
case kArm64I16x8AddSatU:
case kArm64I16x8SubSatU:
case kArm64I16x8MinU:
case kArm64I16x8MaxU:
case kArm64I16x8GtU:
case kArm64I16x8GeU:
case kArm64I16x8RoundingAverageU:
case kArm64I16x8Q15MulRSatS:
case kArm64I16x8Abs:
case kArm64I16x8BitMask:
case kArm64I8x16Splat:
case kArm64I8x16ExtractLaneU:
case kArm64I8x16ExtractLaneS:
case kArm64I8x16ReplaceLane:
case kArm64I8x16Neg:
case kArm64I8x16Shl:
case kArm64I8x16ShrS:
case kArm64I8x16SConvertI16x8:
case kArm64I8x16Add:
case kArm64I8x16AddSatS:
case kArm64I8x16Sub:
case kArm64I8x16SubSatS:
case kArm64I8x16Mla:
case kArm64I8x16Mls:
case kArm64I8x16MinS:
case kArm64I8x16MaxS:
case kArm64I8x16Eq:
case kArm64I8x16Ne:
case kArm64I8x16GtS:
case kArm64I8x16GeS:
case kArm64I8x16UConvertI16x8:
case kArm64I8x16AddSatU:
case kArm64I8x16SubSatU:
case kArm64I8x16ShrU:
case kArm64I8x16MinU:
case kArm64I8x16MaxU:
case kArm64I8x16GtU:
case kArm64I8x16GeU:
case kArm64I8x16RoundingAverageU:
case kArm64I8x16Abs:
case kArm64I8x16BitMask:
case kArm64S128Const:
case kArm64S128Zero:
case kArm64S128Dup:
case kArm64S128And:
case kArm64S128Or:
case kArm64S128Xor:
case kArm64S128Not:
case kArm64S128Select:
case kArm64S128AndNot:
case kArm64S32x4ZipLeft:
case kArm64S32x4ZipRight:
case kArm64S32x4UnzipLeft:
case kArm64S32x4UnzipRight:
case kArm64S32x4TransposeLeft:
case kArm64S32x4TransposeRight:
case kArm64S32x4Shuffle:
case kArm64S16x8ZipLeft:
case kArm64S16x8ZipRight:
case kArm64S16x8UnzipLeft:
case kArm64S16x8UnzipRight:
case kArm64S16x8TransposeLeft:
case kArm64S16x8TransposeRight:
case kArm64S8x16ZipLeft:
case kArm64S8x16ZipRight:
case kArm64S8x16UnzipLeft:
case kArm64S8x16UnzipRight:
case kArm64S8x16TransposeLeft:
case kArm64S8x16TransposeRight:
case kArm64S8x16Concat:
case kArm64I8x16Swizzle:
case kArm64I8x16Shuffle:
case kArm64S32x2Reverse:
case kArm64S16x4Reverse:
case kArm64S16x2Reverse:
case kArm64S8x8Reverse:
case kArm64S8x4Reverse:
case kArm64S8x2Reverse:
case kArm64V128AnyTrue:
case kArm64I64x2AllTrue:
case kArm64I32x4AllTrue:
case kArm64I16x8AllTrue:
case kArm64I8x16AllTrue:
case kArm64TestAndBranch32:
case kArm64TestAndBranch:
case kArm64CompareAndBranch32:
case kArm64CompareAndBranch:
return kNoOpcodeFlags;
case kArm64LdrS:
case kArm64LdrD:
case kArm64LdrQ:
case kArm64Ldrb:
case kArm64Ldrsb:
case kArm64LdrsbW:
case kArm64Ldrh:
case kArm64Ldrsh:
case kArm64LdrshW:
case kArm64Ldrsw:
case kArm64LdrW:
case kArm64Ldr:
case kArm64LdrDecompressTaggedSigned:
case kArm64LdrDecompressTaggedPointer:
case kArm64LdrDecompressAnyTagged:
case kArm64Peek:
case kArm64LoadSplat:
case kArm64LoadLane:
case kArm64S128Load8x8S:
case kArm64S128Load8x8U:
case kArm64S128Load16x4S:
case kArm64S128Load16x4U:
case kArm64S128Load32x2S:
case kArm64S128Load32x2U:
return kIsLoadOperation;
case kArm64Claim:
case kArm64Poke:
case kArm64PokePair:
case kArm64StrS:
case kArm64StrD:
case kArm64StrQ:
case kArm64Strb:
case kArm64Strh:
case kArm64StrW:
case kArm64Str:
case kArm64StrCompressTagged:
case kArm64DmbIsh:
case kArm64DsbIsb:
case kArm64StoreLane:
return kHasSideEffect;
case kArm64Word64AtomicLoadUint8:
case kArm64Word64AtomicLoadUint16:
case kArm64Word64AtomicLoadUint32:
case kArm64Word64AtomicLoadUint64:
return kIsLoadOperation;
case kArm64Word64AtomicStoreWord8:
case kArm64Word64AtomicStoreWord16:
case kArm64Word64AtomicStoreWord32:
case kArm64Word64AtomicStoreWord64:
case kArm64Word64AtomicAddUint8:
case kArm64Word64AtomicAddUint16:
case kArm64Word64AtomicAddUint32:
case kArm64Word64AtomicAddUint64:
case kArm64Word64AtomicSubUint8:
case kArm64Word64AtomicSubUint16:
case kArm64Word64AtomicSubUint32:
case kArm64Word64AtomicSubUint64:
case kArm64Word64AtomicAndUint8:
case kArm64Word64AtomicAndUint16:
case kArm64Word64AtomicAndUint32:
case kArm64Word64AtomicAndUint64:
case kArm64Word64AtomicOrUint8:
case kArm64Word64AtomicOrUint16:
case kArm64Word64AtomicOrUint32:
case kArm64Word64AtomicOrUint64:
case kArm64Word64AtomicXorUint8:
case kArm64Word64AtomicXorUint16:
case kArm64Word64AtomicXorUint32:
case kArm64Word64AtomicXorUint64:
case kArm64Word64AtomicExchangeUint8:
case kArm64Word64AtomicExchangeUint16:
case kArm64Word64AtomicExchangeUint32:
case kArm64Word64AtomicExchangeUint64:
case kArm64Word64AtomicCompareExchangeUint8:
case kArm64Word64AtomicCompareExchangeUint16:
case kArm64Word64AtomicCompareExchangeUint32:
case kArm64Word64AtomicCompareExchangeUint64:
return kHasSideEffect;
#define CASE(Name) case k##Name:
COMMON_ARCH_OPCODE_LIST(CASE)
#undef CASE
// Already covered in architecture independent code.
UNREACHABLE();
}
UNREACHABLE();
}
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 kArm64Add:
case kArm64Add32:
case kArm64And:
case kArm64And32:
case kArm64Bic:
case kArm64Bic32:
case kArm64Cmn:
case kArm64Cmn32:
case kArm64Cmp:
case kArm64Cmp32:
case kArm64Eon:
case kArm64Eon32:
case kArm64Eor:
case kArm64Eor32:
case kArm64Not:
case kArm64Not32:
case kArm64Or:
case kArm64Or32:
case kArm64Orn:
case kArm64Orn32:
case kArm64Sub:
case kArm64Sub32:
case kArm64Tst:
case kArm64Tst32:
if (instr->addressing_mode() != kMode_None) {
return 3;
} else {
return 1;
}
case kArm64Clz:
case kArm64Clz32:
case kArm64Sbfx:
case kArm64Sbfx32:
case kArm64Sxtb32:
case kArm64Sxth32:
case kArm64Sxtw:
case kArm64Ubfiz32:
case kArm64Ubfx:
case kArm64Ubfx32:
return 1;
case kArm64Lsl:
case kArm64Lsl32:
case kArm64Lsr:
case kArm64Lsr32:
case kArm64Asr:
case kArm64Asr32:
case kArm64Ror:
case kArm64Ror32:
return 1;
case kArm64LdrDecompressTaggedSigned:
case kArm64LdrDecompressTaggedPointer:
case kArm64LdrDecompressAnyTagged:
case kArm64Ldr:
case kArm64LdrD:
case kArm64LdrS:
case kArm64LdrW:
case kArm64Ldrb:
case kArm64Ldrh:
case kArm64Ldrsb:
case kArm64Ldrsh:
case kArm64Ldrsw:
return 11;
case kArm64Str:
case kArm64StrD:
case kArm64StrS:
case kArm64StrW:
case kArm64Strb:
case kArm64Strh:
return 1;
case kArm64Madd32:
case kArm64Mneg32:
case kArm64Msub32:
case kArm64Mul32:
return 3;
case kArm64Madd:
case kArm64Mneg:
case kArm64Msub:
case kArm64Mul:
return 5;
case kArm64Idiv32:
case kArm64Udiv32:
return 12;
case kArm64Idiv:
case kArm64Udiv:
return 20;
case kArm64Float32Add:
case kArm64Float32Sub:
case kArm64Float64Add:
case kArm64Float64Sub:
return 5;
case kArm64Float32Abs:
case kArm64Float32Cmp:
case kArm64Float32Neg:
case kArm64Float64Abs:
case kArm64Float64Cmp:
case kArm64Float64Neg:
return 3;
case kArm64Float32Div:
case kArm64Float32Sqrt:
return 12;
case kArm64Float64Div:
case kArm64Float64Sqrt:
return 19;
case kArm64Float32RoundDown:
case kArm64Float32RoundTiesEven:
case kArm64Float32RoundTruncate:
case kArm64Float32RoundUp:
case kArm64Float64RoundDown:
case kArm64Float64RoundTiesAway:
case kArm64Float64RoundTiesEven:
case kArm64Float64RoundTruncate:
case kArm64Float64RoundUp:
return 5;
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:
return 5;
default:
return 2;
}
}
} // namespace compiler
} // namespace internal
} // namespace v8
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