| // 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_ExtendSignWord8: |
| case kS390_ExtendSignWord16: |
| case kS390_ExtendSignWord32: |
| 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; |
| |
| #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 |