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// 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/base/logging.h"
#include "src/compiler/backend/instruction-codes.h"
#include "src/compiler/backend/instruction-scheduler.h"
#include "src/compiler/backend/instruction.h"
namespace v8 {
namespace internal {
namespace compiler {
bool InstructionScheduler::SchedulerSupported() { return true; }
int InstructionScheduler::GetTargetInstructionFlags(
const Instruction* instr) const {
switch (instr->arch_opcode()) {
case kIA32Add:
case kIA32And:
case kIA32Cmp:
case kIA32Cmp16:
case kIA32Cmp8:
case kIA32Test:
case kIA32Test16:
case kIA32Test8:
case kIA32Or:
case kIA32Xor:
case kIA32Sub:
case kIA32Imul:
case kIA32ImulHigh:
case kIA32UmulHigh:
case kIA32Not:
case kIA32Neg:
case kIA32Shl:
case kIA32Shr:
case kIA32Sar:
case kIA32AddPair:
case kIA32SubPair:
case kIA32MulPair:
case kIA32ShlPair:
case kIA32ShrPair:
case kIA32SarPair:
case kIA32Rol:
case kIA32Ror:
case kIA32Lzcnt:
case kIA32Tzcnt:
case kIA32Popcnt:
case kIA32Bswap:
case kIA32Lea:
case kSSEFloat32Cmp:
case kSSEFloat32Add:
case kSSEFloat32Sub:
case kSSEFloat32Mul:
case kSSEFloat32Div:
case kSSEFloat32Abs:
case kSSEFloat32Neg:
case kSSEFloat32Sqrt:
case kSSEFloat32Round:
case kSSEFloat64Cmp:
case kSSEFloat64Add:
case kSSEFloat64Sub:
case kSSEFloat64Mul:
case kSSEFloat64Div:
case kSSEFloat64Mod:
case kSSEFloat32Max:
case kSSEFloat64Max:
case kSSEFloat32Min:
case kSSEFloat64Min:
case kSSEFloat64Abs:
case kSSEFloat64Neg:
case kSSEFloat64Sqrt:
case kSSEFloat64Round:
case kSSEFloat32ToFloat64:
case kSSEFloat64ToFloat32:
case kSSEFloat32ToInt32:
case kSSEFloat32ToUint32:
case kSSEFloat64ToInt32:
case kSSEFloat64ToUint32:
case kSSEInt32ToFloat32:
case kSSEUint32ToFloat32:
case kSSEInt32ToFloat64:
case kSSEUint32ToFloat64:
case kSSEFloat64ExtractLowWord32:
case kSSEFloat64ExtractHighWord32:
case kSSEFloat64InsertLowWord32:
case kSSEFloat64InsertHighWord32:
case kSSEFloat64LoadLowWord32:
case kSSEFloat64SilenceNaN:
case kAVXFloat32Add:
case kAVXFloat32Sub:
case kAVXFloat32Mul:
case kAVXFloat32Div:
case kAVXFloat64Add:
case kAVXFloat64Sub:
case kAVXFloat64Mul:
case kAVXFloat64Div:
case kAVXFloat64Abs:
case kAVXFloat64Neg:
case kAVXFloat32Abs:
case kAVXFloat32Neg:
case kIA32BitcastFI:
case kIA32BitcastIF:
case kIA32F64x2Splat:
case kF64x2ExtractLane:
case kF64x2ReplaceLane:
case kIA32F64x2Sqrt:
case kIA32F64x2Add:
case kIA32F64x2Sub:
case kIA32F64x2Mul:
case kIA32F64x2Div:
case kIA32F64x2Min:
case kIA32F64x2Max:
case kIA32F64x2Eq:
case kIA32F64x2Ne:
case kIA32F64x2Lt:
case kIA32F64x2Le:
case kIA32F64x2Pmin:
case kIA32F64x2Pmax:
case kIA32F64x2Round:
case kIA32F64x2ConvertLowI32x4S:
case kIA32F64x2ConvertLowI32x4U:
case kIA32F64x2PromoteLowF32x4:
case kIA32I64x2SplatI32Pair:
case kIA32I64x2ReplaceLaneI32Pair:
case kIA32I64x2Abs:
case kIA32I64x2Neg:
case kIA32I64x2Shl:
case kIA32I64x2ShrS:
case kIA32I64x2Add:
case kIA32I64x2Sub:
case kIA32I64x2Mul:
case kIA32I64x2ShrU:
case kIA32I64x2BitMask:
case kIA32I64x2Eq:
case kIA32I64x2Ne:
case kIA32I64x2GtS:
case kIA32I64x2GeS:
case kIA32I64x2ExtMulLowI32x4S:
case kIA32I64x2ExtMulHighI32x4S:
case kIA32I64x2ExtMulLowI32x4U:
case kIA32I64x2ExtMulHighI32x4U:
case kIA32I64x2SConvertI32x4Low:
case kIA32I64x2SConvertI32x4High:
case kIA32I64x2UConvertI32x4Low:
case kIA32I64x2UConvertI32x4High:
case kIA32F32x4Splat:
case kIA32F32x4ExtractLane:
case kIA32Insertps:
case kIA32F32x4SConvertI32x4:
case kIA32F32x4UConvertI32x4:
case kIA32F32x4Abs:
case kIA32F32x4Neg:
case kIA32F32x4Sqrt:
case kIA32F32x4RecipApprox:
case kIA32F32x4RecipSqrtApprox:
case kIA32F32x4Add:
case kIA32F32x4Sub:
case kIA32F32x4Mul:
case kIA32F32x4Div:
case kSSEF32x4Min:
case kAVXF32x4Min:
case kSSEF32x4Max:
case kAVXF32x4Max:
case kSSEF32x4Eq:
case kAVXF32x4Eq:
case kSSEF32x4Ne:
case kAVXF32x4Ne:
case kSSEF32x4Lt:
case kAVXF32x4Lt:
case kSSEF32x4Le:
case kAVXF32x4Le:
case kIA32F32x4Pmin:
case kIA32F32x4Pmax:
case kIA32F32x4Round:
case kIA32F32x4DemoteF64x2Zero:
case kIA32I32x4Splat:
case kIA32I32x4ExtractLane:
case kIA32I32x4SConvertF32x4:
case kIA32I32x4SConvertI16x8Low:
case kIA32I32x4SConvertI16x8High:
case kIA32I32x4Neg:
case kIA32I32x4Shl:
case kIA32I32x4ShrS:
case kSSEI32x4Add:
case kAVXI32x4Add:
case kSSEI32x4Sub:
case kAVXI32x4Sub:
case kSSEI32x4Mul:
case kAVXI32x4Mul:
case kSSEI32x4MinS:
case kAVXI32x4MinS:
case kSSEI32x4MaxS:
case kAVXI32x4MaxS:
case kSSEI32x4Eq:
case kAVXI32x4Eq:
case kSSEI32x4Ne:
case kAVXI32x4Ne:
case kSSEI32x4GtS:
case kAVXI32x4GtS:
case kSSEI32x4GeS:
case kAVXI32x4GeS:
case kSSEI32x4UConvertF32x4:
case kAVXI32x4UConvertF32x4:
case kIA32I32x4UConvertI16x8Low:
case kIA32I32x4UConvertI16x8High:
case kIA32I32x4ShrU:
case kSSEI32x4MinU:
case kAVXI32x4MinU:
case kSSEI32x4MaxU:
case kAVXI32x4MaxU:
case kSSEI32x4GtU:
case kAVXI32x4GtU:
case kSSEI32x4GeU:
case kAVXI32x4GeU:
case kIA32I32x4Abs:
case kIA32I32x4BitMask:
case kIA32I32x4DotI16x8S:
case kIA32I32x4ExtMulLowI16x8S:
case kIA32I32x4ExtMulHighI16x8S:
case kIA32I32x4ExtMulLowI16x8U:
case kIA32I32x4ExtMulHighI16x8U:
case kIA32I32x4ExtAddPairwiseI16x8S:
case kIA32I32x4ExtAddPairwiseI16x8U:
case kIA32I32x4TruncSatF64x2SZero:
case kIA32I32x4TruncSatF64x2UZero:
case kIA32I16x8Splat:
case kIA32I16x8ExtractLaneS:
case kIA32I16x8SConvertI8x16Low:
case kIA32I16x8SConvertI8x16High:
case kIA32I16x8Neg:
case kIA32I16x8Shl:
case kIA32I16x8ShrS:
case kSSEI16x8SConvertI32x4:
case kAVXI16x8SConvertI32x4:
case kSSEI16x8Add:
case kAVXI16x8Add:
case kSSEI16x8AddSatS:
case kAVXI16x8AddSatS:
case kSSEI16x8Sub:
case kAVXI16x8Sub:
case kSSEI16x8SubSatS:
case kAVXI16x8SubSatS:
case kSSEI16x8Mul:
case kAVXI16x8Mul:
case kSSEI16x8MinS:
case kAVXI16x8MinS:
case kSSEI16x8MaxS:
case kAVXI16x8MaxS:
case kSSEI16x8Eq:
case kAVXI16x8Eq:
case kSSEI16x8Ne:
case kAVXI16x8Ne:
case kSSEI16x8GtS:
case kAVXI16x8GtS:
case kSSEI16x8GeS:
case kAVXI16x8GeS:
case kIA32I16x8UConvertI8x16Low:
case kIA32I16x8UConvertI8x16High:
case kIA32I16x8ShrU:
case kSSEI16x8UConvertI32x4:
case kAVXI16x8UConvertI32x4:
case kSSEI16x8AddSatU:
case kAVXI16x8AddSatU:
case kSSEI16x8SubSatU:
case kAVXI16x8SubSatU:
case kSSEI16x8MinU:
case kAVXI16x8MinU:
case kSSEI16x8MaxU:
case kAVXI16x8MaxU:
case kSSEI16x8GtU:
case kAVXI16x8GtU:
case kSSEI16x8GeU:
case kAVXI16x8GeU:
case kIA32I16x8RoundingAverageU:
case kIA32I16x8Abs:
case kIA32I16x8BitMask:
case kIA32I16x8ExtMulLowI8x16S:
case kIA32I16x8ExtMulHighI8x16S:
case kIA32I16x8ExtMulLowI8x16U:
case kIA32I16x8ExtMulHighI8x16U:
case kIA32I16x8ExtAddPairwiseI8x16S:
case kIA32I16x8ExtAddPairwiseI8x16U:
case kIA32I16x8Q15MulRSatS:
case kIA32I8x16Splat:
case kIA32I8x16ExtractLaneS:
case kIA32Pinsrb:
case kIA32Pinsrw:
case kIA32Pinsrd:
case kIA32Pextrb:
case kIA32Pextrw:
case kIA32S128Store32Lane:
case kSSEI8x16SConvertI16x8:
case kAVXI8x16SConvertI16x8:
case kIA32I8x16Neg:
case kIA32I8x16Shl:
case kIA32I8x16ShrS:
case kIA32I8x16Add:
case kIA32I8x16AddSatS:
case kIA32I8x16Sub:
case kIA32I8x16SubSatS:
case kIA32I8x16MinS:
case kIA32I8x16MaxS:
case kIA32I8x16Eq:
case kSSEI8x16Ne:
case kAVXI8x16Ne:
case kIA32I8x16GtS:
case kSSEI8x16GeS:
case kAVXI8x16GeS:
case kSSEI8x16UConvertI16x8:
case kAVXI8x16UConvertI16x8:
case kIA32I8x16AddSatU:
case kIA32I8x16SubSatU:
case kIA32I8x16ShrU:
case kIA32I8x16MinU:
case kIA32I8x16MaxU:
case kSSEI8x16GtU:
case kAVXI8x16GtU:
case kSSEI8x16GeU:
case kAVXI8x16GeU:
case kIA32I8x16RoundingAverageU:
case kIA32I8x16Abs:
case kIA32I8x16BitMask:
case kIA32I8x16Popcnt:
case kIA32S128Const:
case kIA32S128Zero:
case kIA32S128AllOnes:
case kIA32S128Not:
case kSSES128And:
case kAVXS128And:
case kSSES128Or:
case kAVXS128Or:
case kSSES128Xor:
case kAVXS128Xor:
case kIA32S128Select:
case kIA32S128AndNot:
case kIA32I8x16Swizzle:
case kIA32I8x16Shuffle:
case kIA32S32x4Rotate:
case kIA32S32x4Swizzle:
case kIA32S32x4Shuffle:
case kIA32S16x8Blend:
case kIA32S16x8HalfShuffle1:
case kIA32S16x8HalfShuffle2:
case kIA32S8x16Alignr:
case kIA32S16x8Dup:
case kIA32S8x16Dup:
case kSSES16x8UnzipHigh:
case kAVXS16x8UnzipHigh:
case kSSES16x8UnzipLow:
case kAVXS16x8UnzipLow:
case kSSES8x16UnzipHigh:
case kAVXS8x16UnzipHigh:
case kSSES8x16UnzipLow:
case kAVXS8x16UnzipLow:
case kIA32S64x2UnpackHigh:
case kIA32S32x4UnpackHigh:
case kIA32S16x8UnpackHigh:
case kIA32S8x16UnpackHigh:
case kIA32S64x2UnpackLow:
case kIA32S32x4UnpackLow:
case kIA32S16x8UnpackLow:
case kIA32S8x16UnpackLow:
case kSSES8x16TransposeLow:
case kAVXS8x16TransposeLow:
case kSSES8x16TransposeHigh:
case kAVXS8x16TransposeHigh:
case kSSES8x8Reverse:
case kAVXS8x8Reverse:
case kSSES8x4Reverse:
case kAVXS8x4Reverse:
case kSSES8x2Reverse:
case kAVXS8x2Reverse:
case kIA32S128AnyTrue:
case kIA32I64x2AllTrue:
case kIA32I32x4AllTrue:
case kIA32I16x8AllTrue:
case kIA32I8x16AllTrue:
return (instr->addressing_mode() == kMode_None)
? kNoOpcodeFlags
: kIsLoadOperation | kHasSideEffect;
case kIA32Idiv:
case kIA32Udiv:
return (instr->addressing_mode() == kMode_None)
? kMayNeedDeoptOrTrapCheck
: kMayNeedDeoptOrTrapCheck | kIsLoadOperation | kHasSideEffect;
case kIA32Movsxbl:
case kIA32Movzxbl:
case kIA32Movb:
case kIA32Movsxwl:
case kIA32Movzxwl:
case kIA32Movw:
case kIA32Movl:
case kIA32Movss:
case kIA32Movsd:
case kIA32Movdqu:
case kIA32Movlps:
case kIA32Movhps:
// Moves are used for memory load/store operations.
case kIA32S128Load8Splat:
case kIA32S128Load16Splat:
case kIA32S128Load32Splat:
case kIA32S128Load64Splat:
case kIA32S128Load8x8S:
case kIA32S128Load8x8U:
case kIA32S128Load16x4S:
case kIA32S128Load16x4U:
case kIA32S128Load32x2S:
case kIA32S128Load32x2U:
return instr->HasOutput() ? kIsLoadOperation : kHasSideEffect;
case kIA32Peek:
return kIsLoadOperation;
case kIA32Push:
case kIA32Poke:
case kIA32MFence:
case kIA32LFence:
return kHasSideEffect;
case kIA32Word32AtomicPairLoad:
return kIsLoadOperation;
case kIA32Word32AtomicPairStore:
case kIA32Word32AtomicPairAdd:
case kIA32Word32AtomicPairSub:
case kIA32Word32AtomicPairAnd:
case kIA32Word32AtomicPairOr:
case kIA32Word32AtomicPairXor:
case kIA32Word32AtomicPairExchange:
case kIA32Word32AtomicPairCompareExchange:
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 ia32 instructions. They have been determined
// in an empirical way.
switch (instr->arch_opcode()) {
case kSSEFloat64Mul:
return 5;
case kIA32Imul:
case kIA32ImulHigh:
return 5;
case kSSEFloat32Cmp:
case kSSEFloat64Cmp:
return 9;
case kSSEFloat32Add:
case kSSEFloat32Sub:
case kSSEFloat32Abs:
case kSSEFloat32Neg:
case kSSEFloat64Add:
case kSSEFloat64Sub:
case kSSEFloat64Max:
case kSSEFloat64Min:
case kSSEFloat64Abs:
case kSSEFloat64Neg:
return 5;
case kSSEFloat32Mul:
return 4;
case kSSEFloat32ToFloat64:
case kSSEFloat64ToFloat32:
return 6;
case kSSEFloat32Round:
case kSSEFloat64Round:
case kSSEFloat32ToInt32:
case kSSEFloat64ToInt32:
return 8;
case kSSEFloat32ToUint32:
return 21;
case kSSEFloat64ToUint32:
return 15;
case kIA32Idiv:
return 33;
case kIA32Udiv:
return 26;
case kSSEFloat32Div:
return 35;
case kSSEFloat64Div:
return 63;
case kSSEFloat32Sqrt:
case kSSEFloat64Sqrt:
return 25;
case kSSEFloat64Mod:
return 50;
case kArchTruncateDoubleToI:
return 9;
default:
return 1;
}
}
} // namespace compiler
} // namespace internal
} // namespace v8
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