Initial support for Mips32 and Mips32r2. Patch contributed by Akira Hatanaka (ahatanaka@mips.com)

llvm-svn: 118447
diff --git a/llvm/lib/Target/Mips/MipsSubtarget.h b/llvm/lib/Target/Mips/MipsSubtarget.h
index 2d5fd22..3d13f82 100644
--- a/llvm/lib/Target/Mips/MipsSubtarget.h
+++ b/llvm/lib/Target/Mips/MipsSubtarget.h
@@ -100,6 +100,8 @@
                                      const std::string &CPU);
 
   bool isMips1() const { return MipsArchVersion == Mips1; }
+  bool isMips32() const { return MipsArchVersion == Mips32; }
+  bool isMips32r2() const { return MipsArchVersion == Mips32r2; }
 
   bool isLittle() const { return IsLittle; }
   bool isFP64bit() const { return IsFP64bit; }