Revert "[mips] Fix c.<cc>.<fmt> instruction definition."

This reverts commit r281022. Mips buildbot broke, due to unhandled register
class FCC.

llvm-svn: 281033
diff --git a/llvm/lib/Target/Mips/InstPrinter/MipsInstPrinter.cpp b/llvm/lib/Target/Mips/InstPrinter/MipsInstPrinter.cpp
index f42c4e5..49c42fd 100644
--- a/llvm/lib/Target/Mips/InstPrinter/MipsInstPrinter.cpp
+++ b/llvm/lib/Target/Mips/InstPrinter/MipsInstPrinter.cpp
@@ -192,6 +192,12 @@
 }
 
 void MipsInstPrinter::
+printFCCOperand(const MCInst *MI, int opNum, raw_ostream &O) {
+  const MCOperand& MO = MI->getOperand(opNum);
+  O << MipsFCCToString((Mips::CondCode)MO.getImm());
+}
+
+void MipsInstPrinter::
 printRegisterPair(const MCInst *MI, int opNum, raw_ostream &O) {
   printRegName(O, MI->getOperand(opNum).getReg());
 }
diff --git a/llvm/lib/Target/Mips/InstPrinter/MipsInstPrinter.h b/llvm/lib/Target/Mips/InstPrinter/MipsInstPrinter.h
index 95f648c..4a76b5a 100644
--- a/llvm/lib/Target/Mips/InstPrinter/MipsInstPrinter.h
+++ b/llvm/lib/Target/Mips/InstPrinter/MipsInstPrinter.h
@@ -97,6 +97,7 @@
   void printUImm(const MCInst *MI, int opNum, raw_ostream &O);
   void printMemOperand(const MCInst *MI, int opNum, raw_ostream &O);
   void printMemOperandEA(const MCInst *MI, int opNum, raw_ostream &O);
+  void printFCCOperand(const MCInst *MI, int opNum, raw_ostream &O);
   void printRegisterPair(const MCInst *MI, int opNum, raw_ostream &O);
   void printSHFMask(const MCInst *MI, int opNum, raw_ostream &O);