------- Comment #8 from matz at gcc dot gnu dot org 2006-11-10 15:51 -------
At least this patch fixes the bug at hand, but I'm sceptical if by chance or
for real:
Index: ifcvt.c
===================================================================
--- ifcvt.c (revision 118648)
+++ ifcvt.c (working copy)
@@ -1942,6 +1942,8 @@ noce_try_bitop (struct noce_if_info *if_
return FALSE;
bitnum = INTVAL (XEXP (cond, 2));
mode = GET_MODE (x);
+ if (BITS_BIG_ENDIAN)
+ bitnum = GET_MODE_BITSIZE (mode) - 1 - bitnum;
if (bitnum >= HOST_BITS_PER_WIDE_INT)
return FALSE;
}
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29797
