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set mayStore and mayLoad on CR pseudos

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llvm-svn: 146022
This commit is contained in:
Hal Finkel 2011-12-07 06:33:57 +00:00
parent fa3b46319d
commit 8589827358
1 changed files with 4 additions and 2 deletions
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6
lib/Target/PowerPC/PPCInstrInfo.td
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@ -399,12 +399,14 @@ let usesCustomInserter = 1, // Expanded after instruction selection.
// SPILL_CR - Indicate that we're dumping the CR register, so we'll need to
// scavenge a register for it.
def SPILL_CR : Pseudo<(outs), (ins GPRC:$cond, memri:$F),
let mayStore = 1 in
def SPILL_CR : Pseudo<(outs), (ins CRRC:$cond, memri:$F),
"", []>;
// RESTORE_CR - Indicate that we're restoring the CR register (previously
// spilled), so we'll need to scavenge a register for it.
def RESTORE_CR : Pseudo<(outs GPRC:$cond), (ins memri:$F),
let mayLoad = 1 in
def RESTORE_CR : Pseudo<(outs CRRC:$cond), (ins memri:$F),
"", []>;
let isTerminator = 1, isBarrier = 1, PPC970_Unit = 7 in {