[Bug optimization/15017] [tree-ssa] compare (equal) with casts are not removed

[pinskia at gcc dot gnu dot org]

------- Additional Comments From pinskia at gcc dot gnu dot org  2004-04-20 01:16 -------
Here is an example which messes up on powerpc (lha is slower than lhz):
static short as, bs;
_Bool foo3 (void) {
int as1 = as;
int bs1 = bs;
if (as1 != bs1) return 1;
else  return 0;
}

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15017