[Bug target/20126] [3.3/3.4/4.0/4.1 Regression] Inlined memcmp makes one argument null on entry
cvs-commit at gcc dot gnu dot org
gcc-bugzilla@gcc.gnu.org
Sun Apr 10 04:01:00 GMT 2005
------- Additional Comments From cvs-commit at gcc dot gnu dot org 2005-04-10 04:01 -------
Subject: Bug 20126
CVSROOT: /cvs/gcc
Module name: gcc
Changes by: aoliva@gcc.gnu.org 2005-04-10 04:00:54
Modified files:
gcc : ChangeLog loop.c recog.c recog.h
gcc/testsuite : ChangeLog
Added files:
gcc/testsuite/gcc.dg: pr20126.c
Log message:
gcc/ChangeLog:
PR target/20126
* loop.c (loop_givs_rescan): If replacement of DEST_ADDR failed,
set the original address pseudo to the correct value before the
original insn, if possible, and leave the insn alone, otherwise
create a new pseudo, set it and replace it in the insn.
* recog.c (validate_change_maybe_volatile): New.
* recog.h (validate_change_maybe_volatile): Declare.
gcc/testsuite/ChangeLog:
* gcc.dg/pr20126.c: New.
Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&r1=2.8217&r2=2.8218
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/loop.c.diff?cvsroot=gcc&r1=1.525&r2=1.526
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/recog.c.diff?cvsroot=gcc&r1=1.221&r2=1.222
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/recog.h.diff?cvsroot=gcc&r1=1.55&r2=1.56
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/ChangeLog.diff?cvsroot=gcc&r1=1.5318&r2=1.5319
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/testsuite/gcc.dg/pr20126.c.diff?cvsroot=gcc&r1=NONE&r2=1.1
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20126
More information about the Gcc-bugs
mailing list