This is the mail archive of the
gcc-bugs@gcc.gnu.org
mailing list for the GCC project.
[Bug rtl-optimization/20412] [4.0/4.1 Regression] RTL checking failure in the combiner
- 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: 10 Mar 2005 19:48:36 -0000
- Subject: [Bug rtl-optimization/20412] [4.0/4.1 Regression] RTL checking failure in the combiner
- References: <20050310190109.20412.kminola@eng.umd.edu>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From pinskia at gcc dot gnu dot org 2005-03-10 19:48 -------
Hmm, we are simplifing the following RTL:
(compare:CC (ne:SI (reg:SI 131)
(const_int 0 [0x0]))
(const_int 0 [0x0]))
To:
(reg:SI 131)
Which is wrong (but I should note that simplify_set for compare does not handle reg RTL).
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20412