add a patter for SUBFIC

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23509 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/PowerPC/PPCInstrInfo.td b/lib/Target/PowerPC/PPCInstrInfo.td
index 719968db6e6d0de9e426cd866a97138124f42894..a39aaaa6051a1176c70553fc625ea4d844a58832 100644 (file)
--- a/lib/Target/PowerPC/PPCInstrInfo.td
+++ b/lib/Target/PowerPC/PPCInstrInfo.td
@@ -396,7 +396,7 @@ def MULLI  : DForm_2< 7, (ops GPRC:$rD, GPRC:$rA, s16imm:$imm),
                      [(set GPRC:$rD, (mul GPRC:$rA, immSExt16:$imm))]>;
 def SUBFIC : DForm_2< 8, (ops GPRC:$rD, GPRC:$rA, s16imm:$imm),
                      "subfic $rD, $rA, $imm",
-                     []>;
+                     [(set GPRC:$rD, (sub immSExt16:$imm, GPRC:$rA))]>;
 def LI  : DForm_2_r0<14, (ops GPRC:$rD, s16imm:$imm),
                      "li $rD, $imm",
                      [(set GPRC:$rD, immSExt16:$imm)]>;