[Bug rtl-optimization/20527] [4.0/4.1 regression] Mishandling of postincrement causes bzip2 miscompilation.
cvs-commit at gcc dot gnu dot org
gcc-bugzilla@gcc.gnu.org
Tue Mar 22 03:48:00 GMT 2005
------- 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
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