[llvm] r178970 - PPC FMR instruction does not have side effects
Hal Finkel
hfinkel at anl.gov
Sat Apr 6 21:56:17 PDT 2013
Author: hfinkel
Date: Sat Apr 6 23:56:16 2013
New Revision: 178970
URL: http://llvm.org/viewvc/llvm-project?rev=178970&view=rev
Log:
PPC FMR instruction does not have side effects
Modified:
llvm/trunk/lib/Target/PowerPC/PPCInstrInfo.td
Modified: llvm/trunk/lib/Target/PowerPC/PPCInstrInfo.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/PowerPC/PPCInstrInfo.td?rev=178970&r1=178969&r2=178970&view=diff
==============================================================================
--- llvm/trunk/lib/Target/PowerPC/PPCInstrInfo.td (original)
+++ llvm/trunk/lib/Target/PowerPC/PPCInstrInfo.td Sat Apr 6 23:56:16 2013
@@ -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)
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