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[Bug optimization/13191] [64bit] Redundant sign extends
- From: "pinskia at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 25 Feb 2004 06:15:21 -0000
- Subject: [Bug optimization/13191] [64bit] Redundant sign extends
- References: <20031125235354.13191.amodra@gcc.gnu.org>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From pinskia at gcc dot gnu dot org 2004-02-25 06:15 -------
Well I put the wrong dump in here before, here is the right one:
do_integer_bitwise (iterations, r)
{
int s.3;
int s;
<bb 0>:
s = (int)iterations;
r = s ^ r;
s.3 = s ^ r;
r = s ^ (r | s.3);
s.3 = s.3 ^ r;
r = s ^ (r | s.3);
s.3 = s.3 ^ r;
r = s ^ (r | s.3);
return r | s.3 ^ r;
}
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13191