Fix encoding of fneg instruction


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18226 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PowerPC/PPCInstrInfo.td b/lib/Target/PowerPC/PPCInstrInfo.td
index e3b2666..4ad10c6 100644
--- a/lib/Target/PowerPC/PPCInstrInfo.td
+++ b/lib/Target/PowerPC/PPCInstrInfo.td
@@ -306,7 +306,7 @@
                       "fctiwz $frD, $frB">;
 def FMR    : XForm_26<63, 72, 0, 0, 0, (ops FPRC:$frD, FPRC:$frB),
                       "fmr $frD, $frB">;
-def FNEG   : XForm_26<63, 80, 0, 0, 0, (ops FPRC:$frD, FPRC:$frB),
+def FNEG   : XForm_26<63, 40, 0, 0, 0, (ops FPRC:$frD, FPRC:$frB),
                       "fneg $frD, $frB">;
 def FRSP   : XForm_26<63, 12, 0, 0, 0, (ops FPRC:$frD, FPRC:$frB),
                       "frsp $frD, $frB">;