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[Bug tree-optimization/19937] [4.0 regression] Wrong loop exit
- 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: 13 Feb 2005 16:52:55 -0000
- Subject: [Bug tree-optimization/19937] [4.0 regression] Wrong loop exit
- References: <20050213162215.19937.schwab@suse.de>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From pinskia at gcc dot gnu dot org 2005-02-13 16:52 -------
I think this is an ivopt bug:
if (i_3 != 4294967295) goto <L0>; else goto <L10>;
i_3 is signed but the expression (I think), 4294967295, is unsigned, maybe we are missing a
fold_convert.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19937