| // 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 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 kIA32Idiv: |
| case kIA32Udiv: |
| case kIA32Not: |
| case kIA32Neg: |
| case kIA32Shl: |
| case kIA32Shr: |
| case kIA32Sar: |
| case kIA32AddPair: |
| case kIA32SubPair: |
| case kIA32MulPair: |
| case kIA32ShlPair: |
| case kIA32ShrPair: |
| case kIA32SarPair: |
| case kIA32Ror: |
| case kIA32Lzcnt: |
| case kIA32Tzcnt: |
| case kIA32Popcnt: |
| case kIA32Lea: |
| case kSSEFloat32Cmp: |
| case kSSEFloat32Add: |
| case kSSEFloat32Sub: |
| case kSSEFloat32Mul: |
| case kSSEFloat32Div: |
| case kSSEFloat32Max: |
| case kSSEFloat32Min: |
| case kSSEFloat32Abs: |
| case kSSEFloat32Neg: |
| case kSSEFloat32Sqrt: |
| case kSSEFloat32Round: |
| case kSSEFloat64Cmp: |
| case kSSEFloat64Add: |
| case kSSEFloat64Sub: |
| case kSSEFloat64Mul: |
| case kSSEFloat64Div: |
| case kSSEFloat64Mod: |
| case kSSEFloat64Max: |
| 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 kAVXFloat32Add: |
| case kAVXFloat32Sub: |
| case kAVXFloat32Mul: |
| case kAVXFloat32Div: |
| case kAVXFloat32Max: |
| case kAVXFloat32Min: |
| case kAVXFloat64Add: |
| case kAVXFloat64Sub: |
| case kAVXFloat64Mul: |
| case kAVXFloat64Div: |
| case kAVXFloat64Max: |
| case kAVXFloat64Min: |
| case kAVXFloat64Abs: |
| case kAVXFloat64Neg: |
| case kAVXFloat32Abs: |
| case kAVXFloat32Neg: |
| case kIA32BitcastFI: |
| case kIA32BitcastIF: |
| return (instr->addressing_mode() == kMode_None) |
| ? kNoOpcodeFlags |
| : kIsLoadOperation | kHasSideEffect; |
| |
| case kIA32Movsxbl: |
| case kIA32Movzxbl: |
| case kIA32Movb: |
| case kIA32Movsxwl: |
| case kIA32Movzxwl: |
| case kIA32Movw: |
| case kIA32Movl: |
| case kIA32Movss: |
| case kIA32Movsd: |
| // Moves are used for memory load/store operations. |
| return instr->HasOutput() ? kIsLoadOperation : kHasSideEffect; |
| |
| case kIA32StackCheck: |
| return kIsLoadOperation; |
| |
| case kIA32Push: |
| case kIA32PushFloat32: |
| case kIA32PushFloat64: |
| case kIA32Poke: |
| return kHasSideEffect; |
| |
| case kIA32Xchgb: |
| case kIA32Xchgw: |
| case kIA32Xchgl: |
| return kIsLoadOperation | 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) { |
| // TODO(all): Add instruction cost modeling. |
| return 1; |
| } |
| |
| } // namespace compiler |
| } // namespace internal |
| } // namespace v8 |