1 //===- MipsSchedule.td - Mips Scheduling Definitions -------*- tablegen -*-===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 //===----------------------------------------------------------------------===// 11 // Functional units across Mips chips sets. Based on GCC/Mips backend files. 12 //===----------------------------------------------------------------------===// 13 def ALU : FuncUnit; 14 def IMULDIV : FuncUnit; 15 16 //===----------------------------------------------------------------------===// 17 // Instruction Itinerary classes used for Mips 18 //===----------------------------------------------------------------------===// 19 def IIAlu : InstrItinClass; 20 def IILoad : InstrItinClass; 21 def IIStore : InstrItinClass; 22 def IIXfer : InstrItinClass; 23 def IIBranch : InstrItinClass; 24 def IIHiLo : InstrItinClass; 25 def IIImul : InstrItinClass; 26 def IIIdiv : InstrItinClass; 27 def IIFcvt : InstrItinClass; 28 def IIFmove : InstrItinClass; 29 def IIFcmp : InstrItinClass; 30 def IIFadd : InstrItinClass; 31 def IIFmulSingle : InstrItinClass; 32 def IIFmulDouble : InstrItinClass; 33 def IIFdivSingle : InstrItinClass; 34 def IIFdivDouble : InstrItinClass; 35 def IIFsqrtSingle : InstrItinClass; 36 def IIFsqrtDouble : InstrItinClass; 37 def IIFrecipFsqrtStep : InstrItinClass; 38 def IIPseudo : InstrItinClass; 39 40 //===----------------------------------------------------------------------===// 41 // Mips Generic instruction itineraries. 42 //===----------------------------------------------------------------------===// 43 def MipsGenericItineraries : ProcessorItineraries<[ALU, IMULDIV], [], [ 44 InstrItinData<IIAlu , [InstrStage<1, [ALU]>]>, 45 InstrItinData<IILoad , [InstrStage<3, [ALU]>]>, 46 InstrItinData<IIStore , [InstrStage<1, [ALU]>]>, 47 InstrItinData<IIXfer , [InstrStage<2, [ALU]>]>, 48 InstrItinData<IIBranch , [InstrStage<1, [ALU]>]>, 49 InstrItinData<IIHiLo , [InstrStage<1, [IMULDIV]>]>, 50 InstrItinData<IIImul , [InstrStage<17, [IMULDIV]>]>, 51 InstrItinData<IIIdiv , [InstrStage<38, [IMULDIV]>]>, 52 InstrItinData<IIFcvt , [InstrStage<1, [ALU]>]>, 53 InstrItinData<IIFmove , [InstrStage<2, [ALU]>]>, 54 InstrItinData<IIFcmp , [InstrStage<3, [ALU]>]>, 55 InstrItinData<IIFadd , [InstrStage<4, [ALU]>]>, 56 InstrItinData<IIFmulSingle , [InstrStage<7, [ALU]>]>, 57 InstrItinData<IIFmulDouble , [InstrStage<8, [ALU]>]>, 58 InstrItinData<IIFdivSingle , [InstrStage<23, [ALU]>]>, 59 InstrItinData<IIFdivDouble , [InstrStage<36, [ALU]>]>, 60 InstrItinData<IIFsqrtSingle , [InstrStage<54, [ALU]>]>, 61 InstrItinData<IIFsqrtDouble , [InstrStage<12, [ALU]>]>, 62 InstrItinData<IIFrecipFsqrtStep , [InstrStage<5, [ALU]>]> 63 ]>; 64
