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Mark MFCR as reading all condition code registers.

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Prevents some more overzealous deletions (mostly
in AltiVec code).



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58121 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dale Johannesen 2008-10-24 22:08:01 +00:00
parent c12e5812be
commit f14df02340
1 changed files with 2 additions and 0 deletions
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2
lib/Target/PowerPC/PPCInstrInfo.td
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@ -1095,8 +1095,10 @@ def MFVRSAVE : XFXForm_1_ext<31, 339, 256, (outs GPRC:$rT), (ins),
def MTCRF : XFXForm_5<31, 144, (outs), (ins crbitm:$FXM, GPRC:$rS),
"mtcrf $FXM, $rS", BrMCRX>,
PPC970_MicroCode, PPC970_Unit_CRU;
let Uses = [CR0, CR1, CR2, CR3, CR4, CR5, CR6, CR7] in {
def MFCR : XFXForm_3<31, 19, (outs GPRC:$rT), (ins), "mfcr $rT", SprMFCR>,
PPC970_MicroCode, PPC970_Unit_CRU;
}
def MFOCRF: XFXForm_5a<31, 19, (outs GPRC:$rT), (ins crbitm:$FXM),
"mfcr $rT, $FXM", SprMFCR>,
PPC970_DGroup_First, PPC970_Unit_CRU;