Checking in first round of scheduling tablegen files. Not tied in as yet.

llvm-svn: 23786
2005-10-18 16:23:40 +00:00 · 2005-10-18 16:23:40 +00:00 · c6533006c8
parent 53b9c3ad4c
commit c6533006c8
6 changed files with 947 additions and 0 deletions
--- a/llvm/lib/Target/PowerPC/PPCSchedule.td
+++ b/llvm/lib/Target/PowerPC/PPCSchedule.td
@ -0,0 +1,520 @@
+//===- PPCSchedule.td - PowerPC Scheduling Definitions -----*- tablegen -*-===//
+// 
+//                     The LLVM Compiler Infrastructure
+//
+// This file was developed by James M. Laskey and is distributed under
+// the University of Illinois Open Source License. See LICENSE.TXT for details.
+// 
+//===----------------------------------------------------------------------===//
+
+#include "../TargetSchedule.td"
+
+//===----------------------------------------------------------------------===//
+// PowerPC chips sets supported by scheduling (Apple naming)
+//
+def G3      : Processor;
+def G4      : Processor;
+def G4Plus  : Processor;
+def G5      : Processor;
+
+//===----------------------------------------------------------------------===//
+// Functional units across PowerPC chips sets
+//
+def NoUnit : FuncUnit; // Instruction not supported on chip set
+def BPU    : FuncUnit; // Branch unit
+def SLU    : FuncUnit; // Store/load unit
+def SRU    : FuncUnit; // special register unit
+def IU1    : FuncUnit; // integer unit 1 (simple)
+def IU2    : FuncUnit; // integer unit 2 (complex)
+def IU3    : FuncUnit; // integer unit 3 (7450 simple)
+def IU4    : FuncUnit; // integer unit 4 (7450 simple)
+def FPU1   : FuncUnit; // floating point unit 1
+def FPU2   : FuncUnit; // floating point unit 2
+def VPU    : FuncUnit; // vector permutation unit
+def VIU1   : FuncUnit; // vector integer unit 1 (simple)
+def VIU2   : FuncUnit; // vector integer unit 2 (complex)
+def VFPU   : FuncUnit; // vector floating point unit
+
+
+//===----------------------------------------------------------------------===//
+// Instruction Itinerary classes used for PowerPC
+//
+def IntGeneral   : InstrItinClass;
+def IntCompare   : InstrItinClass;
+def IntDivD      : InstrItinClass;
+def IntDivW      : InstrItinClass;
+def IntMFFS      : InstrItinClass;
+def IntMFVSCR    : InstrItinClass;
+def IntMTFSB0    : InstrItinClass;
+def IntMTSRD     : InstrItinClass;
+def IntMulHD     : InstrItinClass;
+def IntMulHW     : InstrItinClass;
+def IntMulHWU    : InstrItinClass;
+def IntMulLI     : InstrItinClass;
+def IntRFID      : InstrItinClass;
+def IntRotateD   : InstrItinClass;
+def IntRotate    : InstrItinClass;
+def IntShift     : InstrItinClass;
+def IntTrapD     : InstrItinClass;
+def IntTrapW     : InstrItinClass;
+def BrB          : InstrItinClass;
+def BrCR         : InstrItinClass;
+def BrMCR        : InstrItinClass;
+def BrMCRX       : InstrItinClass;
+def LdStDCBA     : InstrItinClass;
+def LdStDCBF     : InstrItinClass;
+def LdStDCBI     : InstrItinClass;
+def LdStDCBT     : InstrItinClass;
+def LdStDSS      : InstrItinClass;
+def LdStICBI     : InstrItinClass;
+def LdStLBZUX    : InstrItinClass;
+def LdStLD       : InstrItinClass;
+def LdStLDARX    : InstrItinClass;
+def LdStLFD      : InstrItinClass;
+def LdStLFDU     : InstrItinClass;
+def LdStLHA      : InstrItinClass;
+def LdStLMW      : InstrItinClass;
+def LdStLVEBX    : InstrItinClass;
+def LdStLWA      : InstrItinClass;
+def LdStLWARX    : InstrItinClass;
+def LdStSLBIA    : InstrItinClass;
+def LdStSLBIE    : InstrItinClass;
+def LdStSTD      : InstrItinClass;
+def LdStSTDCX    : InstrItinClass;
+def LdStSTVEBX   : InstrItinClass;
+def LdStSTWCX    : InstrItinClass;
+def LdStSync     : InstrItinClass;
+def SprISYNC     : InstrItinClass;
+def SprMFSR      : InstrItinClass;
+def SprMTMSR     : InstrItinClass;
+def SprMTSR      : InstrItinClass;
+def SprTLBSYNC   : InstrItinClass;
+def SprMFCR      : InstrItinClass;
+def SprMFMSR     : InstrItinClass;
+def SprMFSPR     : InstrItinClass;
+def SprMFTB      : InstrItinClass;
+def SprMTSPR     : InstrItinClass;
+def SprMTSRIN    : InstrItinClass;
+def SprRFI       : InstrItinClass;
+def SprSC        : InstrItinClass;
+def FPGeneral    : InstrItinClass;
+def FPCompare    : InstrItinClass;
+def FPDivD       : InstrItinClass;
+def FPDivS       : InstrItinClass;
+def FPFused      : InstrItinClass;
+def FPRes        : InstrItinClass;
+def FPSqrt       : InstrItinClass;
+def VecGeneral   : InstrItinClass;
+def VecFP        : InstrItinClass;
+def VecFPCompare : InstrItinClass;
+def VecComplex   : InstrItinClass;
+def VecPerm      : InstrItinClass;
+def VecFPRound   : InstrItinClass;
+def VecVSL       : InstrItinClass;
+def VecVSR       : InstrItinClass;
+
+//===----------------------------------------------------------------------===//
+// Processor instruction itineraries.
+
+#include "PPCScheduleG3.td"
+#include "PPCScheduleG4.td"
+#include "PPCScheduleG4Plus.td"
+#include "PPCScheduleG5.td"
+
+//===----------------------------------------------------------------------===//
+// Instruction to itinerary class map - When add new opcodes to the supported
+// set, refer to the following table to determine which itinerary class the
+// opcode belongs.
+//
+//    opcode     itinerary class
+//    ======     ===============
+//    add        IntGeneral
+//    addc       IntGeneral
+//    adde       IntGeneral
+//    addi       IntGeneral
+//    addic      IntGeneral
+//    addic.     IntGeneral
+//    addis      IntGeneral
+//    addme      IntGeneral
+//    addze      IntGeneral
+//    and        IntGeneral
+//    andc       IntGeneral
+//    andi.      IntGeneral
+//    andis.     IntGeneral
+//    b          BrB
+//    bc         BrB
+//    bcctr      BrB
+//    bclr       BrB
+//    cmp        IntCompare
+//    cmpi       IntCompare
+//    cmpl       IntCompare
+//    cmpli      IntCompare
+//    cntlzd     IntRotateD
+//    cntlzw     IntGeneral
+//    crand      BrCR
+//    crandc     BrCR
+//    creqv      BrCR
+//    crnand     BrCR
+//    crnor      BrCR
+//    cror       BrCR
+//    crorc      BrCR
+//    crxor      BrCR
+//    dcba       LdStDCBA
+//    dcbf       LdStDCBF
+//    dcbi       LdStDCBI
+//    dcbst      LdStDCBF
+//    dcbt       LdStDCBT
+//    dcbtst     LdStDCBT
+//    dcbz       LdStDCBF
+//    divd       IntDivD
+//    divdu      IntDivD
+//    divw       IntDivW
+//    divwu      IntDivW
+//    dss        LdStDSS
+//    dst        LdStDSS
+//    dstst      LdStDSS
+//    eciwx      LdStDCBT
+//    ecowx      LdStDCBT
+//    eieio      LdStDCBT
+//    eqv        IntGeneral
+//    extsb      IntGeneral
+//    extsh      IntGeneral
+//    extsw      IntRotateD
+//    fabs       FPGeneral
+//    fadd       FPGeneral
+//    fadds      FPGeneral
+//    fcfid      FPGeneral
+//    fcmpo      FPCompare
+//    fcmpu      FPCompare
+//    fctid      FPGeneral
+//    fctidz     FPGeneral
+//    fctiw      FPGeneral
+//    fctiwz     FPGeneral
+//    fdiv       FPDivD
+//    fdivs      FPDivS
+//    fmadd      FPFused
+//    fmadds     FPGeneral
+//    fmr        FPGeneral
+//    fmsub      FPFused
+//    fmsubs     FPGeneral
+//    fmul       FPFused
+//    fmuls      FPGeneral
+//    fnabs      FPGeneral
+//    fneg       FPGeneral
+//    fnmadd     FPFused
+//    fnmadds    FPGeneral
+//    fnmsub     FPFused
+//    fnmsubs    FPGeneral
+//    fres       FPRes
+//    frsp       FPGeneral
+//    frsqrte    FPGeneral
+//    fsel       FPGeneral
+//    fsqrt      FPSqrt
+//    fsqrts     FPSqrt
+//    fsub       FPGeneral
+//    fsubs      FPGeneral
+//    icbi       LdStICBI
+//    isync      SprISYNC
+//    lbz        LdStDCBT
+//    lbzu       LdStDCBT
+//    lbzux      LdStLBZUX
+//    lbzx       LdStDCBT
+//    ld         LdStLD
+//    ldarx      LdStLDARX
+//    ldu        LdStLD
+//    ldux       LdStLD
+//    ldx        LdStLD
+//    lfd        LdStLFD
+//    lfdu       LdStLFDU
+//    lfdux      LdStLFDU
+//    lfdx       LdStLFDU
+//    lfs        LdStLFDU
+//    lfsu       LdStLFDU
+//    lfsux      LdStLFDU
+//    lfsx       LdStLFDU
+//    lha        LdStLHA
+//    lhau       LdStLHA
+//    lhaux      LdStLHA
+//    lhax       LdStLHA
+//    lhbrx      LdStDCBT
+//    lhz        LdStDCBT
+//    lhzu       LdStDCBT
+//    lhzux      LdStLBZUX
+//    lhzx       LdStDCBT
+//    lmw        LdStLMW
+//    lswi       LdStLMW
+//    lswx       LdStLMW
+//    lvebx      LdStLVEBX
+//    lvehx      LdStLVEBX
+//    lvewx      LdStLVEBX
+//    lvsl       LdStLVEBX
+//    lvsr       LdStLVEBX
+//    lvx        LdStLVEBX
+//    lvxl       LdStLVEBX
+//    lwa        LdStLWA
+//    lwarx      LdStLWARX
+//    lwaux      LdStLHA
+//    lwax       LdStLHA
+//    lwbrx      LdStDCBT
+//    lwz        LdStDCBT
+//    lwzu       LdStDCBT
+//    lwzux      LdStLBZUX
+//    lwzx       LdStDCBT
+//    mcrf       BrMCR
+//    mcrfs      FPGeneral
+//    mcrxr      BrMCRX
+//    mfcr       SprMFCR
+//    mffs       IntMFFS
+//    mfmsr      SprMFMSR
+//    mfspr      SprMFSPR
+//    mfsr       SprMFSR
+//    mfsrin     SprMFSR
+//    mftb       SprMFTB
+//    mfvscr     IntMFVSCR
+//    mtcrf      BrMCRX
+//    mtfsb0     IntMTFSB0
+//    mtfsb1     IntMTFSB0
+//    mtfsf      IntMTFSB0
+//    mtfsfi     IntMTFSB0
+//    mtmsr      SprMTMSR
+//    mtmsrd     LdStLD
+//    mtspr      SprMTSPR
+//    mtsr       SprMTSR
+//    mtsrd      IntMTSRD
+//    mtsrdin    IntMTSRD
+//    mtsrin     SprMTSRIN
+//    mtvscr     IntMFVSCR
+//    mulhd      IntMulHD
+//    mulhdu     IntMulHD
+//    mulhw      IntMulHW
+//    mulhwu     IntMulHWU
+//    mulld      IntMulHD
+//    mulli      IntMulLI
+//    mullw      IntMulHW
+//    nand       IntGeneral
+//    neg        IntGeneral
+//    nor        IntGeneral
+//    or         IntGeneral
+//    orc        IntGeneral
+//    ori        IntGeneral
+//    oris       IntGeneral
+//    rfi        SprRFI
+//    rfid       IntRFID
+//    rldcl      IntRotateD
+//    rldcr      IntRotateD
+//    rldic      IntRotateD
+//    rldicl     IntRotateD
+//    rldicr     IntRotateD
+//    rldimi     IntRotateD
+//    rlwimi     IntRotate
+//    rlwinm     IntGeneral
+//    rlwnm      IntGeneral
+//    sc         SprSC
+//    slbia      LdStSLBIA
+//    slbie      LdStSLBIE
+//    sld        IntRotateD
+//    slw        IntGeneral
+//    srad       IntRotateD
+//    sradi      IntRotateD
+//    sraw       IntShift
+//    srawi      IntShift
+//    srd        IntRotateD
+//    srw        IntGeneral
+//    stb        LdStDCBT
+//    stbu       LdStDCBT
+//    stbux      LdStDCBT
+//    stbx       LdStDCBT
+//    std        LdStSTD
+//    stdcx.     LdStSTDCX
+//    stdu       LdStSTD
+//    stdux      LdStSTD
+//    stdx       LdStSTD
+//    stfd       LdStLBZUX
+//    stfdu      LdStLBZUX
+//    stfdux     LdStLBZUX
+//    stfdx      LdStLBZUX
+//    stfiwx     LdStLBZUX
+//    stfs       LdStLBZUX
+//    stfsu      LdStLBZUX
+//    stfsux     LdStLBZUX
+//    stfsx      LdStLBZUX
+//    sth        LdStDCBT
+//    sthbrx     LdStDCBT
+//    sthu       LdStDCBT
+//    sthux      LdStDCBT
+//    sthx       LdStDCBT
+//    stmw       LdStLMW
+//    stswi      LdStLMW
+//    stswx      LdStLMW
+//    stvebx     LdStSTVEBX
+//    stvehx     LdStSTVEBX
+//    stvewx     LdStSTVEBX
+//    stvx       LdStSTVEBX
+//    stvxl      LdStSTVEBX
+//    stw        LdStDCBT
+//    stwbrx     LdStDCBT
+//    stwcx.     LdStSTWCX
+//    stwu       LdStDCBT
+//    stwux      LdStDCBT
+//    stwx       LdStDCBT
+//    subf       IntGeneral
+//    subfc      IntGeneral
+//    subfe      IntGeneral
+//    subfic     IntGeneral
+//    subfme     IntGeneral
+//    subfze     IntGeneral
+//    sync       LdStSync
+//    td         IntTrapD
+//    tdi        IntTrapD
+//    tlbia      LdStSLBIA
+//    tlbie      LdStDCBF
+//    tlbsync    SprTLBSYNC
+//    tw         IntTrapW
+//    twi        IntTrapW
+//    vaddcuw    VecGeneral
+//    vaddfp     VecFP
+//    vaddsbs    VecGeneral
+//    vaddshs    VecGeneral
+//    vaddsws    VecGeneral
+//    vaddubm    VecGeneral
+//    vaddubs    VecGeneral
+//    vadduhm    VecGeneral
+//    vadduhs    VecGeneral
+//    vadduwm    VecGeneral
+//    vadduws    VecGeneral
+//    vand       VecGeneral
+//    vandc      VecGeneral
+//    vavgsb     VecGeneral
+//    vavgsh     VecGeneral
+//    vavgsw     VecGeneral
+//    vavgub     VecGeneral
+//    vavguh     VecGeneral
+//    vavguw     VecGeneral
+//    vcfsx      VecFP
+//    vcfux      VecFP
+//    vcmpbfp    VecFPCompare
+//    vcmpeqfp   VecFPCompare
+//    vcmpequb   VecGeneral
+//    vcmpequh   VecGeneral
+//    vcmpequw   VecGeneral
+//    vcmpgefp   VecFPCompare
+//    vcmpgtfp   VecFPCompare
+//    vcmpgtsb   VecGeneral
+//    vcmpgtsh   VecGeneral
+//    vcmpgtsw   VecGeneral
+//    vcmpgtub   VecGeneral
+//    vcmpgtuh   VecGeneral
+//    vcmpgtuw   VecGeneral
+//    vctsxs     VecFP
+//    vctuxs     VecFP
+//    vexptefp   VecFP
+//    vlogefp    VecFP
+//    vmaddfp    VecFP
+//    vmaxfp     VecFPCompare
+//    vmaxsb     VecGeneral
+//    vmaxsh     VecGeneral
+//    vmaxsw     VecGeneral
+//    vmaxub     VecGeneral
+//    vmaxuh     VecGeneral
+//    vmaxuw     VecGeneral
+//    vmhaddshs  VecComplex
+//    vmhraddshs VecComplex
+//    vminfp     VecFPCompare
+//    vminsb     VecGeneral
+//    vminsh     VecGeneral
+//    vminsw     VecGeneral
+//    vminub     VecGeneral
+//    vminuh     VecGeneral
+//    vminuw     VecGeneral
+//    vmladduhm  VecComplex
+//    vmrghb     VecPerm
+//    vmrghh     VecPerm
+//    vmrghw     VecPerm
+//    vmrglb     VecPerm
+//    vmrglh     VecPerm
+//    vmrglw     VecPerm
+//    vmsubfp    VecFP
+//    vmsummbm   VecComplex
+//    vmsumshm   VecComplex
+//    vmsumshs   VecComplex
+//    vmsumubm   VecComplex
+//    vmsumuhm   VecComplex
+//    vmsumuhs   VecComplex
+//    vmulesb    VecComplex
+//    vmulesh    VecComplex
+//    vmuleub    VecComplex
+//    vmuleuh    VecComplex
+//    vmulosb    VecComplex
+//    vmulosh    VecComplex
+//    vmuloub    VecComplex
+//    vmulouh    VecComplex
+//    vnor       VecGeneral
+//    vor        VecGeneral
+//    vperm      VecPerm
+//    vpkpx      VecPerm
+//    vpkshss    VecPerm
+//    vpkshus    VecPerm
+//    vpkswss    VecPerm
+//    vpkswus    VecPerm
+//    vpkuhum    VecPerm
+//    vpkuhus    VecPerm
+//    vpkuwum    VecPerm
+//    vpkuwus    VecPerm
+//    vrefp      VecFPRound
+//    vrfim      VecFPRound
+//    vrfin      VecFPRound
+//    vrfip      VecFPRound
+//    vrfiz      VecFPRound
+//    vrlb       VecGeneral
+//    vrlh       VecGeneral
+//    vrlw       VecGeneral
+//    vrsqrtefp  VecFP
+//    vsel       VecGeneral
+//    vsl        VecVSL
+//    vslb       VecGeneral
+//    vsldoi     VecPerm
+//    vslh       VecGeneral
+//    vslo       VecPerm
+//    vslw       VecGeneral
+//    vspltb     VecPerm
+//    vsplth     VecPerm
+//    vspltisb   VecPerm
+//    vspltish   VecPerm
+//    vspltisw   VecPerm
+//    vspltw     VecPerm
+//    vsr        VecVSR
+//    vsrab      VecGeneral
+//    vsrah      VecGeneral
+//    vsraw      VecGeneral
+//    vsrb       VecGeneral
+//    vsrh       VecGeneral
+//    vsro       VecPerm
+//    vsrw       VecGeneral
+//    vsubcuw    VecGeneral
+//    vsubfp     VecFP
+//    vsubsbs    VecGeneral
+//    vsubshs    VecGeneral
+//    vsubsws    VecGeneral
+//    vsububm    VecGeneral
+//    vsububs    VecGeneral
+//    vsubuhm    VecGeneral
+//    vsubuhs    VecGeneral
+//    vsubuwm    VecGeneral
+//    vsubuws    VecGeneral
+//    vsum2sws   VecComplex
+//    vsum4sbs   VecComplex
+//    vsum4shs   VecComplex
+//    vsum4ubs   VecComplex
+//    vsumsws    VecComplex
+//    vupkhpx    VecPerm
+//    vupkhsb    VecPerm
+//    vupkhsh    VecPerm
+//    vupklpx    VecPerm
+//    vupklsb    VecPerm
+//    vupklsh    VecPerm
+//    vxor       VecGeneral
+//    xor        IntGeneral
+//    xori       IntGeneral
+//    xoris      IntGeneral
+//
+
--- a/llvm/lib/Target/PowerPC/PPCScheduleG3.td
+++ b/llvm/lib/Target/PowerPC/PPCScheduleG3.td
@ -0,0 +1,89 @@
+//===- PPCScheduleG3.td - PPC G3 Scheduling Definitions ----*- tablegen -*-===//
+// 
+//                     The LLVM Compiler Infrastructure
+//
+// This file was developed by James M. Laskey and is distributed under
+// the University of Illinois Open Source License. See LICENSE.TXT for details.
+// 
+//===----------------------------------------------------------------------===//
+//
+// This file defines the itinerary class data for the G3 (750) processor.
+//
+//===----------------------------------------------------------------------===//
+
+
+def G3Itineraries : ProcessorItineraries<G3, [
+  InstrItinData<IntGeneral  , [InstrStage<1, [IU1, IU2]>]>,
+  InstrItinData<IntCompare  , [InstrStage<1, [IU1, IU2]>]>,
+  InstrItinData<IntDivD     , [InstrStage<0, [NoUnit]>]>,
+  InstrItinData<IntDivW     , [InstrStage<19, [IU1]>]>,
+  InstrItinData<IntMFFS     , [InstrStage<1, [FPU1]>]>,
+  InstrItinData<IntMFVSCR   , [InstrStage<0, [NoUnit]>]>,
+  InstrItinData<IntMTFSB0   , [InstrStage<3, [FPU1]>]>,
+  InstrItinData<IntMTSRD    , [InstrStage<0, [NoUnit]>]>,
+  InstrItinData<IntMulHD    , [InstrStage<0, [NoUnit]>]>,
+  InstrItinData<IntMulHW    , [InstrStage<5, [IU1]>]>,
+  InstrItinData<IntMulHWU   , [InstrStage<6, [IU1]>]>,
+  InstrItinData<IntMulLI    , [InstrStage<3, [IU1]>]>,
+  InstrItinData<IntRFID     , [InstrStage<0, [NoUnit]>]>,
+  InstrItinData<IntRotateD  , [InstrStage<0, [NoUnit]>]>,
+  InstrItinData<IntRotate   , [InstrStage<1, [IU1, IU2]>]>,
+  InstrItinData<IntShift    , [InstrStage<1, [IU1, IU2]>]>,
+  InstrItinData<IntTrapD    , [InstrStage<0, [NoUnit]>]>,
+  InstrItinData<IntTrapW    , [InstrStage<2, [IU1, IU2]>]>,
+  InstrItinData<BrB         , [InstrStage<1, [BPU]>]>,
+  InstrItinData<BrCR        , [InstrStage<1, [SRU]>]>,
+  InstrItinData<BrMCR       , [InstrStage<1, [SRU]>]>,
+  InstrItinData<BrMCRX      , [InstrStage<1, [SRU]>]>,
+  InstrItinData<LdStDCBA    , [InstrStage<2, [SLU]>]>,
+  InstrItinData<LdStDCBF    , [InstrStage<3, [SLU]>]>,
+  InstrItinData<LdStDCBI    , [InstrStage<3, [SLU]>]>,
+  InstrItinData<LdStDCBT    , [InstrStage<2, [SLU]>]>,
+  InstrItinData<LdStDSS     , [InstrStage<0, [NoUnit]>]>,
+  InstrItinData<LdStICBI    , [InstrStage<3, [SLU]>]>,
+  InstrItinData<LdStLBZUX   , [InstrStage<2, [SLU]>]>,
+  InstrItinData<LdStLD      , [InstrStage<0, [NoUnit]>]>,
+  InstrItinData<LdStLDARX   , [InstrStage<0, [NoUnit]>]>,
+  InstrItinData<LdStLFD     , [InstrStage<2, [SLU]>]>,
+  InstrItinData<LdStLFDU    , [InstrStage<2, [SLU]>]>,
+  InstrItinData<LdStLHA     , [InstrStage<2, [SLU]>]>,
+  InstrItinData<LdStLMW     , [InstrStage<34, [SLU]>]>,
+  InstrItinData<LdStLVEBX   , [InstrStage<0, [NoUnit]>]>,
+  InstrItinData<LdStLWA     , [InstrStage<0, [NoUnit]>]>,
+  InstrItinData<LdStLWARX   , [InstrStage<3, [SLU]>]>,
+  InstrItinData<LdStSLBIA   , [InstrStage<0, [NoUnit]>]>,
+  InstrItinData<LdStSLBIE   , [InstrStage<0, [NoUnit]>]>,
+  InstrItinData<LdStSTD     , [InstrStage<0, [NoUnit]>]>,
+  InstrItinData<LdStSTDCX   , [InstrStage<0, [NoUnit]>]>,
+  InstrItinData<LdStSTVEBX  , [InstrStage<0, [NoUnit]>]>,
+  InstrItinData<LdStSTWCX   , [InstrStage<8, [SLU]>]>,
+  InstrItinData<LdStSync    , [InstrStage<3, [SLU]>]>,
+  InstrItinData<SprISYNC    , [InstrStage<2, [SRU]>]>,
+  InstrItinData<SprMFSR     , [InstrStage<3, [SRU]>]>,
+  InstrItinData<SprMTMSR    , [InstrStage<1, [SRU]>]>,
+  InstrItinData<SprMTSR     , [InstrStage<2, [SRU]>]>,
+  InstrItinData<SprTLBSYNC  , [InstrStage<3, [SRU]>]>,
+  InstrItinData<SprMFCR     , [InstrStage<1, [SRU]>]>,
+  InstrItinData<SprMFMSR    , [InstrStage<1, [SRU]>]>,
+  InstrItinData<SprMFSPR    , [InstrStage<3, [SRU]>]>,
+  InstrItinData<SprMFTB     , [InstrStage<3, [SRU]>]>,
+  InstrItinData<SprMTSPR    , [InstrStage<2, [SRU]>]>,
+  InstrItinData<SprMTSRIN   , [InstrStage<2, [SRU]>]>,
+  InstrItinData<SprRFI      , [InstrStage<2, [SRU]>]>,
+  InstrItinData<SprSC       , [InstrStage<2, [SRU]>]>,
+  InstrItinData<FPGeneral   , [InstrStage<1, [FPU1]>]>,
+  InstrItinData<FPCompare   , [InstrStage<1, [FPU1]>]>,
+  InstrItinData<FPDivD      , [InstrStage<31, [FPU1]>]>,
+  InstrItinData<FPDivS      , [InstrStage<17, [FPU1]>]>,
+  InstrItinData<FPFused     , [InstrStage<2, [FPU1]>]>,
+  InstrItinData<FPRes       , [InstrStage<10, [FPU1]>]>,
+  InstrItinData<FPSqrt      , [InstrStage<0, [NoUnit]>]>,
+  InstrItinData<VecGeneral  , [InstrStage<0, [NoUnit]>]>,
+  InstrItinData<VecFP       , [InstrStage<0, [NoUnit]>]>,
+  InstrItinData<VecFPCompare, [InstrStage<0, [NoUnit]>]>,
+  InstrItinData<VecComplex  , [InstrStage<0, [NoUnit]>]>,
+  InstrItinData<VecPerm     , [InstrStage<0, [NoUnit]>]>,
+  InstrItinData<VecFPRound  , [InstrStage<0, [NoUnit]>]>,
+  InstrItinData<VecVSL      , [InstrStage<0, [NoUnit]>]>,
+  InstrItinData<VecVSR      , [InstrStage<0, [NoUnit]>]>
+]>;
--- a/llvm/lib/Target/PowerPC/PPCScheduleG4.td
+++ b/llvm/lib/Target/PowerPC/PPCScheduleG4.td
@ -0,0 +1,88 @@
+//===- PPCScheduleG4.td - PPC G4 Scheduling Definitions ----*- tablegen -*-===//
+// 
+//                     The LLVM Compiler Infrastructure
+//
+// This file was developed by James M. Laskey and is distributed under
+// the University of Illinois Open Source License. See LICENSE.TXT for details.
+// 
+//===----------------------------------------------------------------------===//
+//
+// This file defines the itinerary class data for the G4 (7400) processor.
+//
+//===----------------------------------------------------------------------===//
+
+def G4Itineraries : ProcessorItineraries<G4, [
+  InstrItinData<IntGeneral  , [InstrStage<1, [IU1, IU2]>]>,
+  InstrItinData<IntCompare  , [InstrStage<1, [IU1, IU2]>]>,
+  InstrItinData<IntDivD     , [InstrStage<0, [NoUnit]>]>,
+  InstrItinData<IntDivW     , [InstrStage<19, [IU1]>]>,
+  InstrItinData<IntMFFS     , [InstrStage<3, [FPU1]>]>,
+  InstrItinData<IntMFVSCR   , [InstrStage<1, [VIU1]>]>,
+  InstrItinData<IntMTFSB0   , [InstrStage<3, [FPU1]>]>,
+  InstrItinData<IntMTSRD    , [InstrStage<0, [NoUnit]>]>,
+  InstrItinData<IntMulHD    , [InstrStage<0, [NoUnit]>]>,
+  InstrItinData<IntMulHW    , [InstrStage<5, [IU1]>]>,
+  InstrItinData<IntMulHWU   , [InstrStage<6, [IU1]>]>,
+  InstrItinData<IntMulLI    , [InstrStage<3, [IU1]>]>,
+  InstrItinData<IntRFID     , [InstrStage<0, [NoUnit]>]>,
+  InstrItinData<IntRotateD  , [InstrStage<0, [NoUnit]>]>,
+  InstrItinData<IntRotate   , [InstrStage<1, [IU1, IU2]>]>,
+  InstrItinData<IntShift    , [InstrStage<1, [IU1, IU2]>]>,
+  InstrItinData<IntTrapD    , [InstrStage<0, [NoUnit]>]>,
+  InstrItinData<IntTrapW    , [InstrStage<2, [IU1, IU2]>]>,
+  InstrItinData<BrB         , [InstrStage<1, [BPU]>]>,
+  InstrItinData<BrCR        , [InstrStage<1, [SRU]>]>,
+  InstrItinData<BrMCR       , [InstrStage<1, [SRU]>]>,
+  InstrItinData<BrMCRX      , [InstrStage<1, [SRU]>]>,
+  InstrItinData<LdStDCBA    , [InstrStage<0, [NoUnit]>]>,
+  InstrItinData<LdStDCBF    , [InstrStage<2, [SLU]>]>,
+  InstrItinData<LdStDCBI    , [InstrStage<2, [SLU]>]>,
+  InstrItinData<LdStDCBT    , [InstrStage<2, [SLU]>]>,
+  InstrItinData<LdStDSS     , [InstrStage<2, [SLU]>]>,
+  InstrItinData<LdStICBI    , [InstrStage<2, [SLU]>]>,
+  InstrItinData<LdStLBZUX   , [InstrStage<2, [SLU]>]>,
+  InstrItinData<LdStLD      , [InstrStage<0, [NoUnit]>]>,
+  InstrItinData<LdStLDARX   , [InstrStage<0, [NoUnit]>]>,
+  InstrItinData<LdStLFD     , [InstrStage<2, [SLU]>]>,
+  InstrItinData<LdStLFDU    , [InstrStage<2, [SLU]>]>,
+  InstrItinData<LdStLHA     , [InstrStage<2, [SLU]>]>,
+  InstrItinData<LdStLMW     , [InstrStage<34, [SLU]>]>,
+  InstrItinData<LdStLVEBX   , [InstrStage<2, [SLU]>]>,
+  InstrItinData<LdStLWA     , [InstrStage<0, [NoUnit]>]>,
+  InstrItinData<LdStLWARX   , [InstrStage<3, [SLU]>]>,
+  InstrItinData<LdStSLBIA   , [InstrStage<0, [NoUnit]>]>,
+  InstrItinData<LdStSLBIE   , [InstrStage<0, [NoUnit]>]>,
+  InstrItinData<LdStSTD     , [InstrStage<0, [NoUnit]>]>,
+  InstrItinData<LdStSTDCX   , [InstrStage<0, [NoUnit]>]>,
+  InstrItinData<LdStSTVEBX  , [InstrStage<2, [SLU]>]>,
+  InstrItinData<LdStSTWCX   , [InstrStage<5, [SLU]>]>,
+  InstrItinData<LdStSync    , [InstrStage<8, [SLU]>]>,
+  InstrItinData<SprISYNC    , [InstrStage<2, [SRU]>]>,
+  InstrItinData<SprMFSR     , [InstrStage<3, [SRU]>]>,
+  InstrItinData<SprMTMSR    , [InstrStage<1, [SRU]>]>,
+  InstrItinData<SprMTSR     , [InstrStage<2, [SRU]>]>,
+  InstrItinData<SprTLBSYNC  , [InstrStage<8, [SRU]>]>,
+  InstrItinData<SprMFCR     , [InstrStage<1, [SRU]>]>,
+  InstrItinData<SprMFMSR    , [InstrStage<1, [SRU]>]>,
+  InstrItinData<SprMFSPR    , [InstrStage<3, [SRU]>]>,
+  InstrItinData<SprMFTB     , [InstrStage<1, [SRU]>]>,
+  InstrItinData<SprMTSPR    , [InstrStage<2, [SRU]>]>,
+  InstrItinData<SprMTSRIN   , [InstrStage<2, [SRU]>]>,
+  InstrItinData<SprRFI      , [InstrStage<2, [SRU]>]>,
+  InstrItinData<SprSC       , [InstrStage<2, [SRU]>]>,
+  InstrItinData<FPGeneral   , [InstrStage<1, [FPU1]>]>,
+  InstrItinData<FPCompare   , [InstrStage<1, [FPU1]>]>,
+  InstrItinData<FPDivD      , [InstrStage<31, [FPU1]>]>,
+  InstrItinData<FPDivS      , [InstrStage<17, [FPU1]>]>,
+  InstrItinData<FPFused     , [InstrStage<1, [FPU1]>]>,
+  InstrItinData<FPRes       , [InstrStage<10, [FPU1]>]>,
+  InstrItinData<FPSqrt      , [InstrStage<0, [NoUnit]>]>,
+  InstrItinData<VecGeneral  , [InstrStage<1, [VIU1]>]>,
+  InstrItinData<VecFP       , [InstrStage<4, [VFPU]>]>,
+  InstrItinData<VecFPCompare, [InstrStage<1, [VIU1]>]>,
+  InstrItinData<VecComplex  , [InstrStage<3, [VIU2]>]>,
+  InstrItinData<VecPerm     , [InstrStage<1, [VPU]>]>,
+  InstrItinData<VecFPRound  , [InstrStage<4, [VFPU]>]>,
+  InstrItinData<VecVSL      , [InstrStage<1, [VIU1]>]>,
+  InstrItinData<VecVSR      , [InstrStage<1, [VIU1]>]>
+]>;
--- a/llvm/lib/Target/PowerPC/PPCScheduleG4Plus.td
+++ b/llvm/lib/Target/PowerPC/PPCScheduleG4Plus.td
@ -0,0 +1,88 @@
+//===- PPCScheduleG4Plus.td - PPC G4+ Scheduling Defs. -----*- tablegen -*-===//
+// 
+//                     The LLVM Compiler Infrastructure
+//
+// This file was developed by James M. Laskey and is distributed under
+// the University of Illinois Open Source License. See LICENSE.TXT for details.
+// 
+//===----------------------------------------------------------------------===//
+//
+// This file defines the itinerary class data for the G4+ (7450) processor.
+//
+//===----------------------------------------------------------------------===//
+
+def G4PlusItineraries : ProcessorItineraries<G4Plus, [
+  InstrItinData<IntGeneral  , [InstrStage<1, [IU1, IU2, IU3, IU4]>]>,
+  InstrItinData<IntCompare  , [InstrStage<1, [IU1, IU2, IU3, IU4]>]>,
+  InstrItinData<IntDivD     , [InstrStage<0, [NoUnit]>]>,
+  InstrItinData<IntDivW     , [InstrStage<23, [IU2]>]>,
+  InstrItinData<IntMFFS     , [InstrStage<5, [FPU1]>]>,
+  InstrItinData<IntMFVSCR   , [InstrStage<2, [VFPU]>]>,
+  InstrItinData<IntMTFSB0   , [InstrStage<5, [FPU1]>]>,
+  InstrItinData<IntMTSRD    , [InstrStage<0, [NoUnit]>]>,
+  InstrItinData<IntMulHD    , [InstrStage<0, [NoUnit]>]>,
+  InstrItinData<IntMulHW    , [InstrStage<4, [IU2]>]>,
+  InstrItinData<IntMulHWU   , [InstrStage<4, [IU2]>]>,
+  InstrItinData<IntMulLI    , [InstrStage<3, [IU2]>]>,
+  InstrItinData<IntRFID     , [InstrStage<0, [NoUnit]>]>,
+  InstrItinData<IntRotateD  , [InstrStage<0, [NoUnit]>]>,
+  InstrItinData<IntRotate   , [InstrStage<1, [IU1, IU2, IU3, IU4]>]>,
+  InstrItinData<IntShift    , [InstrStage<2, [IU1, IU2, IU3, IU4]>]>,
+  InstrItinData<IntTrapD    , [InstrStage<0, [NoUnit]>]>,
+  InstrItinData<IntTrapW    , [InstrStage<2, [IU1, IU2, IU3, IU4]>]>,
+  InstrItinData<BrB         , [InstrStage<1, [BPU]>]>,
+  InstrItinData<BrCR        , [InstrStage<2, [IU2]>]>,
+  InstrItinData<BrMCR       , [InstrStage<2, [IU2]>]>,
+  InstrItinData<BrMCRX      , [InstrStage<2, [IU2]>]>,
+  InstrItinData<LdStDCBA    , [InstrStage<0, [NoUnit]>]>,
+  InstrItinData<LdStDCBF    , [InstrStage<3, [SLU]>]>,
+  InstrItinData<LdStDCBI    , [InstrStage<3, [SLU]>]>,
+  InstrItinData<LdStDCBT    , [InstrStage<3, [SLU]>]>,
+  InstrItinData<LdStDSS     , [InstrStage<3, [SLU]>]>,
+  InstrItinData<LdStICBI    , [InstrStage<3, [IU2]>]>,
+  InstrItinData<LdStLBZUX   , [InstrStage<3, [SLU]>]>,
+  InstrItinData<LdStLD      , [InstrStage<0, [NoUnit]>]>,
+  InstrItinData<LdStLDARX   , [InstrStage<0, [NoUnit]>]>,
+  InstrItinData<LdStLFD     , [InstrStage<4, [SLU]>]>,
+  InstrItinData<LdStLFDU    , [InstrStage<4, [SLU]>]>,
+  InstrItinData<LdStLHA     , [InstrStage<3, [SLU]>]>,
+  InstrItinData<LdStLMW     , [InstrStage<37, [SLU]>]>,
+  InstrItinData<LdStLVEBX   , [InstrStage<3, [SLU]>]>,
+  InstrItinData<LdStLWA     , [InstrStage<3, [SLU]>]>,
+  InstrItinData<LdStLWARX   , [InstrStage<3, [SLU]>]>,
+  InstrItinData<LdStSLBIA   , [InstrStage<0, [NoUnit]>]>,
+  InstrItinData<LdStSLBIE   , [InstrStage<0, [NoUnit]>]>,
+  InstrItinData<LdStSTD     , [InstrStage<3, [SLU]>]>,
+  InstrItinData<LdStSTDCX   , [InstrStage<3, [SLU]>]>,
+  InstrItinData<LdStSTVEBX  , [InstrStage<3, [SLU]>]>,
+  InstrItinData<LdStSTWCX   , [InstrStage<3, [SLU]>]>,
+  InstrItinData<LdStSync    , [InstrStage<35, [SLU]>]>,
+  InstrItinData<SprISYNC    , [InstrStage<0, [IU1, IU2, IU3, IU4]>]>,
+  InstrItinData<SprMFSR     , [InstrStage<4, [IU2]>]>,
+  InstrItinData<SprMTMSR    , [InstrStage<2, [IU2]>]>,
+  InstrItinData<SprMTSR     , [InstrStage<2, [IU2]>]>,
+  InstrItinData<SprTLBSYNC  , [InstrStage<3, [SLU]>]>,
+  InstrItinData<SprMFCR     , [InstrStage<2, [IU2]>]>,
+  InstrItinData<SprMFMSR    , [InstrStage<3, [IU2]>]>,
+  InstrItinData<SprMFSPR    , [InstrStage<4, [IU2]>]>,
+  InstrItinData<SprMFTB     , [InstrStage<5, [IU2]>]>,
+  InstrItinData<SprMTSPR    , [InstrStage<2, [IU2]>]>,
+  InstrItinData<SprMTSRIN   , [InstrStage<2, [IU2]>]>,
+  InstrItinData<SprRFI      , [InstrStage<1, [IU1, IU2, IU3, IU4]>]>,
+  InstrItinData<SprSC       , [InstrStage<0, [IU1, IU2, IU3, IU4]>]>,
+  InstrItinData<FPGeneral   , [InstrStage<5, [FPU1]>]>,
+  InstrItinData<FPCompare   , [InstrStage<5, [FPU1]>]>,
+  InstrItinData<FPDivD      , [InstrStage<35, [FPU1]>]>,
+  InstrItinData<FPDivS      , [InstrStage<21, [FPU1]>]>,
+  InstrItinData<FPFused     , [InstrStage<5, [FPU1]>]>,
+  InstrItinData<FPRes       , [InstrStage<14, [FPU1]>]>,
+  InstrItinData<FPSqrt      , [InstrStage<0, [NoUnit]>]>,
+  InstrItinData<VecGeneral  , [InstrStage<1, [VIU1]>]>,
+  InstrItinData<VecFP       , [InstrStage<4, [VFPU]>]>,
+  InstrItinData<VecFPCompare, [InstrStage<2, [VFPU]>]>,
+  InstrItinData<VecComplex  , [InstrStage<4, [VIU2]>]>,
+  InstrItinData<VecPerm     , [InstrStage<2, [VPU]>]>,
+  InstrItinData<VecFPRound  , [InstrStage<4, [VIU1]>]>,
+  InstrItinData<VecVSL      , [InstrStage<2, [VPU]>]>,
+  InstrItinData<VecVSR      , [InstrStage<2, [VPU]>]>
+]>;
--- a/llvm/lib/Target/PowerPC/PPCScheduleG5.td
+++ b/llvm/lib/Target/PowerPC/PPCScheduleG5.td
@ -0,0 +1,88 @@
+//===- PPCScheduleG5.td - PPC G5 Scheduling Definitions ----*- tablegen -*-===//
+// 
+//                     The LLVM Compiler Infrastructure
+//
+// This file was developed by James M. Laskey and is distributed under
+// the University of Illinois Open Source License. See LICENSE.TXT for details.
+// 
+//===----------------------------------------------------------------------===//
+//
+// This file defines the itinerary class data for the G5 (970) processor.
+//
+//===----------------------------------------------------------------------===//
+
+def G5Itineraries : ProcessorItineraries<G5, [
+  InstrItinData<IntGeneral  , [InstrStage<2, [IU1, IU2]>]>,
+  InstrItinData<IntCompare  , [InstrStage<3, [IU1, IU2]>]>,
+  InstrItinData<IntDivD     , [InstrStage<68, [IU1]>]>,
+  InstrItinData<IntDivW     , [InstrStage<36, [IU1]>]>,
+  InstrItinData<IntMFFS     , [InstrStage<6, [IU2]>]>,
+  InstrItinData<IntMFVSCR   , [InstrStage<1, [VFPU]>]>,
+  InstrItinData<IntMTFSB0   , [InstrStage<6, [FPU1, FPU2]>]>,
+  InstrItinData<IntMTSRD    , [InstrStage<0, [NoUnit]>]>,
+  InstrItinData<IntMulHD    , [InstrStage<7, [IU1, IU2]>]>,
+  InstrItinData<IntMulHW    , [InstrStage<5, [IU1, IU2]>]>,
+  InstrItinData<IntMulHWU   , [InstrStage<5, [IU1, IU2]>]>,
+  InstrItinData<IntMulLI    , [InstrStage<4, [IU1, IU2]>]>,
+  InstrItinData<IntRFID     , [InstrStage<1, [IU2]>]>,
+  InstrItinData<IntRotateD  , [InstrStage<2, [IU1, IU2]>]>,
+  InstrItinData<IntRotate   , [InstrStage<4, [IU1, IU2]>]>,
+  InstrItinData<IntShift    , [InstrStage<2, [IU1, IU2]>]>,
+  InstrItinData<IntTrapD    , [InstrStage<1, [IU1, IU2]>]>,
+  InstrItinData<IntTrapW    , [InstrStage<1, [IU1, IU2]>]>,
+  InstrItinData<BrB         , [InstrStage<1, [BPU]>]>,
+  InstrItinData<BrCR        , [InstrStage<4, [BPU]>]>,
+  InstrItinData<BrMCR       , [InstrStage<2, [BPU]>]>,
+  InstrItinData<BrMCRX      , [InstrStage<3, [BPU]>]>,
+  InstrItinData<LdStDCBA    , [InstrStage<0, [NoUnit]>]>,
+  InstrItinData<LdStDCBF    , [InstrStage<3, [SLU]>]>,
+  InstrItinData<LdStDCBI    , [InstrStage<0, [NoUnit]>]>,
+  InstrItinData<LdStDCBT    , [InstrStage<3, [SLU]>]>,
+  InstrItinData<LdStDSS     , [InstrStage<10, [SLU]>]>,
+  InstrItinData<LdStICBI    , [InstrStage<0, [SLU]>]>,
+  InstrItinData<LdStLBZUX   , [InstrStage<4, [SLU]>]>,
+  InstrItinData<LdStLD      , [InstrStage<3, [SLU]>]>,
+  InstrItinData<LdStLDARX   , [InstrStage<11, [SLU]>]>,
+  InstrItinData<LdStLFD     , [InstrStage<3, [SLU]>]>,
+  InstrItinData<LdStLFDU    , [InstrStage<5, [SLU]>]>,
+  InstrItinData<LdStLHA     , [InstrStage<5, [SLU]>]>,
+  InstrItinData<LdStLMW     , [InstrStage<64, [SLU]>]>,
+  InstrItinData<LdStLVEBX   , [InstrStage<3, [SLU]>]>,
+  InstrItinData<LdStLWA     , [InstrStage<5, [SLU]>]>,
+  InstrItinData<LdStLWARX   , [InstrStage<11, [SLU]>]>,
+  InstrItinData<LdStSLBIA   , [InstrStage<0, [SLU]>]>,
+  InstrItinData<LdStSLBIE   , [InstrStage<2, [SLU]>]>,
+  InstrItinData<LdStSTD     , [InstrStage<3, [SLU]>]>,
+  InstrItinData<LdStSTDCX   , [InstrStage<11, [SLU]>]>,
+  InstrItinData<LdStSTVEBX  , [InstrStage<5, [SLU]>]>,
+  InstrItinData<LdStSTWCX   , [InstrStage<11, [SLU]>]>,
+  InstrItinData<LdStSync    , [InstrStage<35, [SLU]>]>,
+  InstrItinData<SprISYNC    , [InstrStage<0, [SLU]>]>,
+  InstrItinData<SprMFSR     , [InstrStage<3, [SLU]>]>,
+  InstrItinData<SprMTMSR    , [InstrStage<3, [SLU]>]>,
+  InstrItinData<SprMTSR     , [InstrStage<3, [SLU]>]>,
+  InstrItinData<SprTLBSYNC  , [InstrStage<3, [SLU]>]>,
+  InstrItinData<SprMFCR     , [InstrStage<2, [IU2]>]>,
+  InstrItinData<SprMFMSR    , [InstrStage<3, [IU2]>]>,
+  InstrItinData<SprMFSPR    , [InstrStage<3, [IU2]>]>,
+  InstrItinData<SprMFTB     , [InstrStage<10, [IU2]>]>,
+  InstrItinData<SprMTSPR    , [InstrStage<8, [IU2]>]>,
+  InstrItinData<SprMTSRIN   , [InstrStage<0, [NoUnit]>]>,
+  InstrItinData<SprRFI      , [InstrStage<0, [NoUnit]>]>,
+  InstrItinData<SprSC       , [InstrStage<1, [IU2]>]>,
+  InstrItinData<FPGeneral   , [InstrStage<6, [FPU1, FPU2]>]>,
+  InstrItinData<FPCompare   , [InstrStage<8, [FPU1, FPU2]>]>,
+  InstrItinData<FPDivD      , [InstrStage<33, [FPU1, FPU2]>]>,
+  InstrItinData<FPDivS      , [InstrStage<33, [FPU1, FPU2]>]>,
+  InstrItinData<FPFused     , [InstrStage<6, [FPU1, FPU2]>]>,
+  InstrItinData<FPRes       , [InstrStage<6, [FPU1, FPU2]>]>,
+  InstrItinData<FPSqrt      , [InstrStage<40, [FPU1, FPU2]>]>,
+  InstrItinData<VecGeneral  , [InstrStage<2, [VIU1]>]>,
+  InstrItinData<VecFP       , [InstrStage<8, [VFPU]>]>,
+  InstrItinData<VecFPCompare, [InstrStage<2, [VFPU]>]>,
+  InstrItinData<VecComplex  , [InstrStage<5, [VIU2]>]>,
+  InstrItinData<VecPerm     , [InstrStage<3, [VPU]>]>,
+  InstrItinData<VecFPRound  , [InstrStage<8, [VFPU]>]>,
+  InstrItinData<VecVSL      , [InstrStage<2, [VIU1]>]>,
+  InstrItinData<VecVSR      , [InstrStage<3, [VPU]>]>
+]>;
--- a/llvm/lib/Target/TargetSchedule.td
+++ b/llvm/lib/Target/TargetSchedule.td
@ -0,0 +1,74 @@
+//===- TargetSchedule.td - Target Independent Scheduling ---*- tablegen -*-===//
+// 
+//                     The LLVM Compiler Infrastructure
+//
+// This file was developed by James M. Laskey and is distributed under
+// the University of Illinois Open Source License. See LICENSE.TXT for details.
+// 
+//===----------------------------------------------------------------------===//
+//
+// This file defines the target-independent scheduling interfaces which should
+// be implemented by each target which is using TableGen based scheduling.
+//
+//===----------------------------------------------------------------------===//
+
+//===----------------------------------------------------------------------===//
+// Processor chip sets - These values represent each of the chip sets supported
+// by the scheduler.  Each Processor definition requires corresponding
+// instruction itineraries.
+//
+class Processor;
+
+//===----------------------------------------------------------------------===//
+// Processor functional unit - These values represent the function units
+// available across all chip sets for the target.  Eg., IntUnit, FPUnit, ...
+// These may be independent values for each chip set or may be shared across
+// all chip sets of the target.  Each functional unit is treated as a resource
+// during scheduling and has an affect instruction order based on availability
+// during a time interval.
+//  
+class FuncUnit;
+
+//===----------------------------------------------------------------------===//
+// Instruction stage - These values represent a step in the execution of an
+// instruction.  The latency represents the number of discrete time slots used
+// need to complete the stage.  Units represent the choice of functional units
+// that can be used to complete the stage.  Eg. IntUnit1, IntUnit2.
+//
+class InstrStage<int latency, list<FuncUnit> units> {
+  int Latency          = latency;     // length of stage in machine cycles
+  list<FuncUnit> Units = units;       // choice of functional units
+}
+
+//===----------------------------------------------------------------------===//
+// Instruction itinerary - An itinerary represents a sequential series of steps
+// required to complete an instruction.  Itineraries are represented as lists of
+// instruction stages.
+//
+
+//===----------------------------------------------------------------------===//
+// Instruction itinerary classes - These values represent 'named' instruction
+// itinerary.  Using named itineraries simplifies managing groups of
+// instructions across chip sets.  An instruction uses the same itinerary class
+// across all chip sets.  Thus a new chip set can be added without modifying
+// instruction information.
+//
+class InstrItinClass;
+
+//===----------------------------------------------------------------------===//
+// Instruction itinerary data - These values provide a runtime map of an 
+// instruction itinerary class (name) to it's itinerary data.
+//
+class InstrItinData<InstrItinClass Class, list<InstrStage> stages> {
+  InstrItinClass TheClass = Class;
+  list<InstrStage> Stages = stages;
+}
+
+//===----------------------------------------------------------------------===//
+// Processor itineraries - These values represent the set of all itinerary
+// classes for a given chip set.
+//
+class ProcessorItineraries<Processor proc, list<InstrItinData> iid> {
+  Processor Proc = proc;
+  list<InstrItinData> IID = iid;
+}