Fix two typos I found in comments.

llvm-svn: 9806
diff --git a/llvm/lib/Target/Sparc/SparcRegInfo.cpp b/llvm/lib/Target/Sparc/SparcRegInfo.cpp
index 1a48d9c..84dc92e 100644
--- a/llvm/lib/Target/Sparc/SparcRegInfo.cpp
+++ b/llvm/lib/Target/Sparc/SparcRegInfo.cpp
@@ -760,7 +760,7 @@
       RegClass* RC = PRA.getRegClassByID(this->getRegClassIDOfRegType(RegType));
       OffReg = PRA.getUnusedUniRegAtMI(RC, RegType, MInst, LVSetBef);
 #else
-      // Default to using register g2 for holding large offsets
+      // Default to using register g4 for holding large offsets
       OffReg = getUnifiedRegNum(UltraSparcRegInfo::IntRegClassID,
                                 SparcIntRegClass::g4);
 #endif
@@ -845,7 +845,7 @@
       RegClass* RC = PRA.getRegClassByID(this->getRegClassIDOfRegType(RegType));
       OffReg = PRA.getUnusedUniRegAtMI(RC, RegType, MInst, LVSetBef);
 #else
-      // Default to using register g2 for holding large offsets
+      // Default to using register g4 for holding large offsets
       OffReg = getUnifiedRegNum(UltraSparcRegInfo::IntRegClassID,
                                 SparcIntRegClass::g4);
 #endif