| Scott Michel | 564427e | 2007-12-05 01:24:05 +0000 | [diff] [blame^] | 1 | //===- SPUSchedule.td - Cell Scheduling Definitions --------*- tablegen -*-===// |
| 2 | // |
| 3 | // The LLVM Compiler Infrastructure |
| 4 | // |
| 5 | // This file was developed by a team from the Computer Systems Research |
| 6 | // Department at The Aerospace Corporation. |
| 7 | // |
| 8 | // See README.txt for details. |
| 9 | // |
| 10 | //===----------------------------------------------------------------------===// |
| 11 | |
| 12 | //===----------------------------------------------------------------------===// |
| 13 | // Even pipeline: |
| 14 | |
| 15 | def EVEN_UNIT : FuncUnit; // Even execution unit: (PC & 0x7 == 000) |
| 16 | def ODD_UNIT : FuncUnit; // Odd execution unit: (PC & 0x7 == 100) |
| 17 | |
| 18 | //===----------------------------------------------------------------------===// |
| 19 | // Instruction Itinerary classes used for Cell SPU |
| 20 | //===----------------------------------------------------------------------===// |
| 21 | |
| 22 | def LoadStore : InstrItinClass; // ODD_UNIT |
| 23 | def BranchHints : InstrItinClass; // ODD_UNIT |
| 24 | def BranchResolv : InstrItinClass; // ODD_UNIT |
| 25 | def ChanOpSPR : InstrItinClass; // ODD_UNIT |
| 26 | def ShuffleOp : InstrItinClass; // ODD_UNIT |
| 27 | def SelectOp : InstrItinClass; // ODD_UNIT |
| 28 | def GatherOp : InstrItinClass; // ODD_UNIT |
| 29 | def LoadNOP : InstrItinClass; // ODD_UNIT |
| 30 | def ExecNOP : InstrItinClass; // EVEN_UNIT |
| 31 | def SPrecFP : InstrItinClass; // EVEN_UNIT |
| 32 | def DPrecFP : InstrItinClass; // EVEN_UNIT |
| 33 | def FPInt : InstrItinClass; // EVEN_UNIT (FP<->integer) |
| 34 | def ByteOp : InstrItinClass; // EVEN_UNIT |
| 35 | def IntegerOp : InstrItinClass; // EVEN_UNIT |
| 36 | def IntegerMulDiv: InstrItinClass; // EVEN_UNIT |
| 37 | def RotateShift : InstrItinClass; // EVEN_UNIT |
| 38 | def ImmLoad : InstrItinClass; // EVEN_UNIT |
| 39 | |
| 40 | /* Note: The itinerary for the Cell SPU is somewhat contrived... */ |
| 41 | def SPUItineraries : ProcessorItineraries<[ |
| 42 | InstrItinData<LoadStore , [InstrStage<6, [ODD_UNIT]>]>, |
| 43 | InstrItinData<BranchHints , [InstrStage<6, [ODD_UNIT]>]>, |
| 44 | InstrItinData<BranchResolv, [InstrStage<4, [ODD_UNIT]>]>, |
| 45 | InstrItinData<ChanOpSPR , [InstrStage<6, [ODD_UNIT]>]>, |
| 46 | InstrItinData<ShuffleOp , [InstrStage<4, [ODD_UNIT]>]>, |
| 47 | InstrItinData<SelectOp , [InstrStage<4, [ODD_UNIT]>]>, |
| 48 | InstrItinData<GatherOp , [InstrStage<4, [ODD_UNIT]>]>, |
| 49 | InstrItinData<LoadNOP , [InstrStage<1, [ODD_UNIT]>]>, |
| 50 | InstrItinData<ExecNOP , [InstrStage<1, [EVEN_UNIT]>]>, |
| 51 | InstrItinData<SPrecFP , [InstrStage<6, [EVEN_UNIT]>]>, |
| 52 | InstrItinData<DPrecFP , [InstrStage<13, [EVEN_UNIT]>]>, |
| 53 | InstrItinData<FPInt , [InstrStage<2, [EVEN_UNIT]>]>, |
| 54 | InstrItinData<ByteOp , [InstrStage<4, [EVEN_UNIT]>]>, |
| 55 | InstrItinData<IntegerOp , [InstrStage<2, [EVEN_UNIT]>]>, |
| 56 | InstrItinData<RotateShift , [InstrStage<4, [EVEN_UNIT]>]>, |
| 57 | InstrItinData<IntegerMulDiv,[InstrStage<7, [EVEN_UNIT]>]>, |
| 58 | InstrItinData<ImmLoad , [InstrStage<2, [EVEN_UNIT]>]> |
| 59 | ]>; |