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[Bug rtl-optimization/20527] [4.0/4.1 regression] Mishandling of postincrement causes bzip2 miscompilation.
- From: "cvs-commit at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 22 Mar 2005 03:48:53 -0000
- Subject: [Bug rtl-optimization/20527] [4.0/4.1 regression] Mishandling of postincrement causes bzip2 miscompilation.
- References: <20050318033129.20527.hp@gcc.gnu.org>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From cvs-commit at gcc dot gnu dot org 2005-03-22 03:48 -------
Subject: Bug 20527
CVSROOT: /cvs/gcc
Module name: gcc
Changes by: hp@gcc.gnu.org 2005-03-22 03:48:45
Modified files:
gcc : ChangeLog combine.c
Log message:
PR rtl-optimization/20527
* combine.c (can_combine_p) [AUTO_INC_DEC]: When INSN has an
REG_INC note, test that the register also isn't mentioned in PRED
or SUCC.
Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.7953&r2=2.7954
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/combine.c.diff?cvsroot=gcc&r1=1.483&r2=1.484
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20527