Enable mips32 mul instruction. Patch by Akira Hatanaka <ahatanaka@mips.com>

llvm-svn: 118864
diff --git a/llvm/lib/Target/Mips/MipsSubtarget.h b/llvm/lib/Target/Mips/MipsSubtarget.h
index 3d13f82..e4f4b33 100644
--- a/llvm/lib/Target/Mips/MipsSubtarget.h
+++ b/llvm/lib/Target/Mips/MipsSubtarget.h
@@ -31,7 +31,7 @@
 protected:
 
   enum MipsArchEnum {
-    Mips1, Mips2, Mips3, Mips4, Mips32, Mips32r2, Mips64, Mips64r2
+    Mips1, Mips2, Mips3, Mips4, Mips32, Mips32r2
   };
 
   // Mips architecture version 
@@ -100,7 +100,7 @@
                                      const std::string &CPU);
 
   bool isMips1() const { return MipsArchVersion == Mips1; }
-  bool isMips32() const { return MipsArchVersion == Mips32; }
+  bool isMips32() const { return MipsArchVersion >= Mips32; } 
   bool isMips32r2() const { return MipsArchVersion == Mips32r2; }
 
   bool isLittle() const { return IsLittle; }