------- Additional Comments From cvs-commit at gcc dot gnu dot org 2005-05-18
19:09 -------
Subject: Bug 21329
CVSROOT: /cvs/gcc
Module name: gcc
Branch: gcc-4_0-rhl-branch
Changes by: [EMAIL PROTECTED] 2005-05-18 19:08:44
Modified files:
gcc : ChangeLog
gcc/config/i386: i386.c
Log message:
2005-05-06 Denis Vlasenko <[EMAIL PROTECTED]>
Jakub Jelinek <[EMAIL PROTECTED]>
PR target/21329
* config/i386/i386.c (ix86_expand_movmem): Don't use rep; movsb
for -Os if (movsl;)*(movsw;)?(movsb;)? sequence is shorter.
Don't use rep; movs{l,q} if the repetition count is really small,
instead use a sequence of movs{l,q} instructions.
Patches:
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/ChangeLog.diff?cvsroot=gcc&only_with_tag=gcc-4_0-rhl-branch&r1=2.7592.2.10.2.33&r2=2.7592.2.10.2.34
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/config/i386/i386.c.diff?cvsroot=gcc&only_with_tag=gcc-4_0-rhl-branch&r1=1.795.8.9&r2=1.795.8.10
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21329
