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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/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 kS390_Abs32:
case kS390_Abs64:
case kS390_And32:
case kS390_And64:
case kS390_Or32:
case kS390_Or64:
case kS390_Xor32:
case kS390_Xor64:
case kS390_ShiftLeft32:
case kS390_ShiftLeft64:
case kS390_ShiftLeftPair:
case kS390_ShiftRight32:
case kS390_ShiftRight64:
case kS390_ShiftRightPair:
case kS390_ShiftRightArith32:
case kS390_ShiftRightArith64:
case kS390_ShiftRightArithPair:
case kS390_RotRight32:
case kS390_RotRight64:
case kS390_Not32:
case kS390_Not64:
case kS390_RotLeftAndClear64:
case kS390_RotLeftAndClearLeft64:
case kS390_RotLeftAndClearRight64:
case kS390_Lay:
case kS390_Add32:
case kS390_Add64:
case kS390_AddPair:
case kS390_AddFloat:
case kS390_AddDouble:
case kS390_Sub32:
case kS390_Sub64:
case kS390_SubPair:
case kS390_MulPair:
case kS390_SubFloat:
case kS390_SubDouble:
case kS390_Mul32:
case kS390_Mul32WithOverflow:
case kS390_Mul64:
case kS390_MulHigh32:
case kS390_MulHighU32:
case kS390_MulFloat:
case kS390_MulDouble:
case kS390_Div32:
case kS390_Div64:
case kS390_DivU32:
case kS390_DivU64:
case kS390_DivFloat:
case kS390_DivDouble:
case kS390_Mod32:
case kS390_Mod64:
case kS390_ModU32:
case kS390_ModU64:
case kS390_ModDouble:
case kS390_Neg32:
case kS390_Neg64:
case kS390_NegDouble:
case kS390_NegFloat:
case kS390_SqrtFloat:
case kS390_FloorFloat:
case kS390_CeilFloat:
case kS390_TruncateFloat:
case kS390_AbsFloat:
case kS390_SqrtDouble:
case kS390_FloorDouble:
case kS390_CeilDouble:
case kS390_TruncateDouble:
case kS390_RoundDouble:
case kS390_MaxFloat:
case kS390_MaxDouble:
case kS390_MinFloat:
case kS390_MinDouble:
case kS390_AbsDouble:
case kS390_Cntlz32:
case kS390_Cntlz64:
case kS390_Popcnt32:
case kS390_Popcnt64:
case kS390_Cmp32:
case kS390_Cmp64:
case kS390_CmpFloat:
case kS390_CmpDouble:
case kS390_Tst32:
case kS390_Tst64:
case kS390_SignExtendWord8ToInt32:
case kS390_SignExtendWord16ToInt32:
case kS390_SignExtendWord8ToInt64:
case kS390_SignExtendWord16ToInt64:
case kS390_SignExtendWord32ToInt64:
case kS390_Uint32ToUint64:
case kS390_Int64ToInt32:
case kS390_Int64ToFloat32:
case kS390_Int64ToDouble:
case kS390_Uint64ToFloat32:
case kS390_Uint64ToDouble:
case kS390_Int32ToFloat32:
case kS390_Int32ToDouble:
case kS390_Uint32ToFloat32:
case kS390_Uint32ToDouble:
case kS390_Float32ToInt32:
case kS390_Float32ToUint32:
case kS390_Float32ToUint64:
case kS390_Float32ToDouble:
case kS390_Float64SilenceNaN:
case kS390_DoubleToInt32:
case kS390_DoubleToUint32:
case kS390_Float32ToInt64:
case kS390_DoubleToInt64:
case kS390_DoubleToUint64:
case kS390_DoubleToFloat32:
case kS390_DoubleExtractLowWord32:
case kS390_DoubleExtractHighWord32:
case kS390_DoubleInsertLowWord32:
case kS390_DoubleInsertHighWord32:
case kS390_DoubleConstruct:
case kS390_BitcastInt32ToFloat32:
case kS390_BitcastFloat32ToInt32:
case kS390_BitcastInt64ToDouble:
case kS390_BitcastDoubleToInt64:
case kS390_LoadReverse16RR:
case kS390_LoadReverse32RR:
case kS390_LoadReverse64RR:
case kS390_LoadAndTestWord32:
case kS390_LoadAndTestWord64:
case kS390_LoadAndTestFloat32:
case kS390_LoadAndTestFloat64:
return kNoOpcodeFlags;
case kS390_LoadWordS8:
case kS390_LoadWordU8:
case kS390_LoadWordS16:
case kS390_LoadWordU16:
case kS390_LoadWordS32:
case kS390_LoadWordU32:
case kS390_LoadWord64:
case kS390_LoadFloat32:
case kS390_LoadDouble:
case kS390_LoadReverse16:
case kS390_LoadReverse32:
case kS390_LoadReverse64:
return kIsLoadOperation;
case kS390_StoreWord8:
case kS390_StoreWord16:
case kS390_StoreWord32:
case kS390_StoreWord64:
case kS390_StoreReverse16:
case kS390_StoreReverse32:
case kS390_StoreReverse64:
case kS390_StoreFloat32:
case kS390_StoreDouble:
case kS390_Push:
case kS390_PushFrame:
case kS390_StoreToStackSlot:
case kS390_StackClaim:
return kHasSideEffect;
case kS390_Word64AtomicLoadUint8:
case kS390_Word64AtomicLoadUint16:
case kS390_Word64AtomicLoadUint32:
case kS390_Word64AtomicLoadUint64:
return kIsLoadOperation;
case kS390_Word64AtomicStoreUint8:
case kS390_Word64AtomicStoreUint16:
case kS390_Word64AtomicStoreUint32:
case kS390_Word64AtomicStoreUint64:
case kS390_Word64AtomicExchangeUint8:
case kS390_Word64AtomicExchangeUint16:
case kS390_Word64AtomicExchangeUint32:
case kS390_Word64AtomicExchangeUint64:
case kS390_Word64AtomicCompareExchangeUint8:
case kS390_Word64AtomicCompareExchangeUint16:
case kS390_Word64AtomicCompareExchangeUint32:
case kS390_Word64AtomicCompareExchangeUint64:
case kS390_Word64AtomicAddUint8:
case kS390_Word64AtomicAddUint16:
case kS390_Word64AtomicAddUint32:
case kS390_Word64AtomicAddUint64:
case kS390_Word64AtomicSubUint8:
case kS390_Word64AtomicSubUint16:
case kS390_Word64AtomicSubUint32:
case kS390_Word64AtomicSubUint64:
case kS390_Word64AtomicAndUint8:
case kS390_Word64AtomicAndUint16:
case kS390_Word64AtomicAndUint32:
case kS390_Word64AtomicAndUint64:
case kS390_Word64AtomicOrUint8:
case kS390_Word64AtomicOrUint16:
case kS390_Word64AtomicOrUint32:
case kS390_Word64AtomicOrUint64:
case kS390_Word64AtomicXorUint8:
case kS390_Word64AtomicXorUint16:
case kS390_Word64AtomicXorUint32:
case kS390_Word64AtomicXorUint64:
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) {
// TODO(all): Add instruction cost modeling.
return 1;
}
} // namespace compiler
} // namespace internal
} // namespace v8
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