Fix instruction encoding for "isel" on PowerPC,
using a new instruction format AForm_4.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@167860 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PowerPC/PPCInstrInfo.td b/lib/Target/PowerPC/PPCInstrInfo.td
index 3ef3bab..f6c4693 100644
--- a/lib/Target/PowerPC/PPCInstrInfo.td
+++ b/lib/Target/PowerPC/PPCInstrInfo.td
@@ -1414,7 +1414,7 @@
 }
 
 let PPC970_Unit = 1 in {  // FXU Operations.
-  def ISEL  : AForm_1<31, 15,
+  def ISEL  : AForm_4<31, 15,
                      (outs GPRC:$rT), (ins GPRC:$rA, GPRC:$rB, pred:$cond),
                      "isel $rT, $rA, $rB, $cond", IntGeneral,
                      []>;