Remove fake instruction 'subc' (mnemonic for subfc).
More pattern isel updates


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@20902 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/PowerPC/PPC32ISelSimple.cpp b/lib/Target/PowerPC/PPC32ISelSimple.cpp
index c59dd49..42064b9 100644
--- a/lib/Target/PowerPC/PPC32ISelSimple.cpp
+++ b/lib/Target/PowerPC/PPC32ISelSimple.cpp
@@ -2392,7 +2392,7 @@
     PPC::ADD, PPC::SUB, PPC::AND, PPC::OR, PPC::XOR
   };
   static const unsigned LongOpTab[2][5] = {
-    { PPC::ADDC,  PPC::SUBC, PPC::AND, PPC::OR, PPC::XOR },
+    { PPC::ADDC, PPC::SUBFC, PPC::AND, PPC::OR, PPC::XOR },
     { PPC::ADDE, PPC::SUBFE, PPC::AND, PPC::OR, PPC::XOR }
   };