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ARM sched model: Cortex A9 - More InstRW sched resources

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Add more InstRW mappings.

Reapply 183266.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183435 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Arnold Schwaighofer 2013-06-06 19:30:21 +00:00
parent ab9ba5321d
commit d8f8c35f4d
1 changed files with 45 additions and 4 deletions
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49
lib/Target/ARM/ARMScheduleA9.td
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@ -2275,10 +2275,10 @@ def A9Read4 : SchedReadAdvance<3>;
// This table follows the ARM Cortex-A9 Technical Reference Manuals,
// mostly in order.
def :ItinRW<[A9WriteI], [IIC_iMOVi,IIC_iMOVr,IIC_iMOVsi,
def :ItinRW<[WriteALU], [IIC_iMOVi,IIC_iMOVr,IIC_iMOVsi,
IIC_iMVNi,IIC_iMVNsi,
IIC_iCMOVi,IIC_iCMOVr,IIC_iCMOVsi]>;
def :ItinRW<[A9WriteI,A9ReadALU],[IIC_iMVNr]>;
def :ItinRW<[WriteALU, A9ReadALU],[IIC_iMVNr]>;
def :ItinRW<[A9WriteIsr], [IIC_iMOVsr,IIC_iMVNsr,IIC_iCMOVsr]>;
def :ItinRW<[A9WriteI2], [IIC_iMOVix2,IIC_iCMOVix2]>;
@ -2487,12 +2487,53 @@ def : SchedAlias<WriteALUsr, A9WriteALUsr>;
def : SchedAlias<WriteALUSsr, A9WriteALUsr>;
def : SchedAlias<ReadALU, A9ReadALU>;
def : SchedAlias<ReadALUsr, A9ReadALU>;
// FIXME: need to special case AND, ORR, EOR, BIC because they don't read
// advance. But our instrinfo claims it does.
def : InstRW< [WriteALU],
(instregex "ANDri", "ORRri", "EORri", "BICri", "ANDrr", "ORRrr", "EORrr",
"BICrr")>;
def : InstRW< [WriteALUsi], (instregex "ANDrsi", "ORRrsi", "EORrsi", "BICrsi")>;
def : InstRW< [WriteALUsr], (instregex "ANDrsr", "ORRrsr", "EORrsr", "BICrsr")>;
def : SchedAlias<WriteCMP, A9WriteALU>;
def : SchedAlias<WriteCMPsi, A9WriteALU>;
def : SchedAlias<WriteCMPsr, A9WriteALU>;
def : InstRW< [A9WriteIsr], (instregex "MOVsr", "MOVsi", "MVNsr", "MOVCCsi",
"MOVCCsr")>;
def : InstRW< [WriteALU, A9ReadALU], (instregex "MVNr")>;
def : InstRW< [A9WriteI2], (instregex "MOVCCi32imm", "MOVi32imm",
"MOV_ga_dyn")>;
def : InstRW< [A9WriteI2pc], (instregex "MOV_ga_pcrel")>;
def : InstRW< [A9WriteI2ld], (instregex "MOV_ga_pcrel_ldr")>;
def : InstRW< [WriteALU], (instregex "SEL")>;
def : InstRW< [WriteALUsi], (instregex "BFC", "BFI", "UBFX", "SBFX")>;
def : InstRW< [A9WriteM],
(instregex "MUL", "MULv5", "SMMUL", "SMMULR", "MLA", "MLAv5", "MLS",
"SMMLA", "SMMLAR", "SMMLS", "SMMLSR")>;
def : InstRW< [A9WriteM, A9WriteMHi],
(instregex "SMULL", "SMULLv5", "UMULL", "UMULLv5", "SMLAL$", "UMLAL",
"UMAAL", "SMLALv5", "UMLALv5", "UMAALv5", "SMLALBB", "SMLALBT", "SMLALTB",
"SMLALTT")>;
// FIXME: These instructions used to have NoItinerary. Just copied the one from above.
def : InstRW< [A9WriteM, A9WriteMHi],
(instregex "SMLAD", "SMLADX", "SMLALD", "SMLALDX", "SMLSD", "SMLSDX",
"SMLSLD", "SMLLDX", "SMUAD", "SMUADX", "SMUSD", "SMUSDX")>;
def : InstRW<[A9WriteM16, A9WriteM16Hi],
(instregex "SMULBB", "SMULBT", "SMULTB", "SMULTT", "SMULWB", "SMULWT")>;
def : InstRW<[A9WriteM16, A9WriteM16Hi],
(instregex "SMLABB", "SMLABT", "SMLATB", "SMLATT", "SMLAWB", "SMLAWT")>;
def : InstRW<[A9WriteL], (instregex "LDRi12", "PICLDR$")>;
def : InstRW<[A9WriteLsi], (instregex "LDRrs")>;
def : InstRW<[A9WriteLb],
(instregex "LDRBi12", "PICLDRH", "PICLDRB", "PICLDRSH", "PICLDRSB",
"LDRH", "LDRSH", "LDRSB")>;
def : InstRW<[A9WriteLbsi], (instregex "LDRrs")>;
def : WriteRes<WriteDiv, []> { let Latency = 0; }
def : WriteRes<WriteBr, [A9UnitB]>;