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Temporarilly mark tMUL as not commutable. 

It's not playing nicely in the coalescer with the tied operand. Disable
commutability for now while we figure out the deeper fix.

llvm-svn: 138278
This commit is contained in:
Jim Grosbach 2011-08-22 22:00:18 +00:00
parent 66cdd22ff4
commit ca2ffad8b1
1 changed files with 1 additions and 1 deletions
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2
llvm/lib/Target/ARM/ARMInstrThumb.td
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@ -1047,7 +1047,7 @@ def tMOVSr : T1I<(outs tGPR:$Rd), (ins tGPR:$Rm), IIC_iMOVr,
} // neverHasSideEffects } // neverHasSideEffects
// Multiply register // Multiply register
let isCommutable = 1 in //let isCommutable = 1 in
def tMUL : // A8.6.105 T1 def tMUL : // A8.6.105 T1
Thumb1sI<(outs tGPR:$Rd), (ins tGPR:$Rn, tGPR:$Rm), AddrModeNone, 2, Thumb1sI<(outs tGPR:$Rd), (ins tGPR:$Rn, tGPR:$Rm), AddrModeNone, 2,
IIC_iMUL32, "mul", "\t$Rd, $Rn, $Rm", "$Rm = $Rd", IIC_iMUL32, "mul", "\t$Rd, $Rn, $Rm", "$Rm = $Rd",