ppr sty r = ppStr (show r)
#endif
-cmpReg (FixedReg i) (FixedReg i') = cmp_ihash i i'
-cmpReg (MappedReg i) (MappedReg i') = cmp_ihash i i'
-cmpReg (MemoryReg i _) (MemoryReg i' _) = cmp_i i i'
+cmpReg (FixedReg i) (FixedReg i') = cmp_ihash i i'
+cmpReg (MappedReg i) (MappedReg i') = cmp_ihash i i'
+cmpReg (MemoryReg i _) (MemoryReg i' _) = cmp_i i i'
cmpReg (UnmappedReg u _) (UnmappedReg u' _) = cmp u u'
cmpReg r1 r2
= let tag1 = tagReg r1