------- Additional Comments From cvs-commit at gcc dot gnu dot org 2005-05-06
19:31 -------
Subject: Bug 21329
CVSROOT: /cvs/gcc
Module name: gcc
Changes by: [EMAIL PROTECTED] 2005-05-06 19:31:17
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&r1=2.8626&r2=2.8627
http://gcc.gnu.org/cgi-bin/cvsweb.cgi/gcc/gcc/config/i386/i386.c.diff?cvsroot=gcc&r1=1.818&r2=1.819
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=21329
