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PPC FMR instruction does not have side effects

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llvm-svn: 178970
This commit is contained in:
Hal Finkel 2013-04-07 04:56:16 +00:00
parent 546e1942f2
commit e21295d038
1 changed files with 1 additions and 0 deletions
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lib/Target/PowerPC/PPCInstrInfo.td
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@ -1201,6 +1201,7 @@ let Uses = [RM] in {
/// often coalesced away and we don't want the dispatch group builder to think
/// that they will fill slots (which could cause the load of a LSU reject to
/// sneak into a d-group with a store).
let neverHasSideEffects = 1 in
def FMR : XForm_26<63, 72, (outs F4RC:$frD), (ins F4RC:$frB),
"fmr $frD, $frB", FPGeneral,
[]>, // (set f32:$frD, f32:$frB)