[Bug target/50962] Additional opportunity for AGU stall avoidance optimization for Atom processor
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50962 --- Comment #7 from Ryan Hill dirtyepic at gentoo dot org --- This caused PR56707.
[Bug target/50962] Additional opportunity for AGU stall avoidance optimization for Atom processor
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50962 --- Comment #5 from Andrew Pinski pinskia at gcc dot gnu.org 2011-12-15 00:22:03 UTC --- Has this been fixed now?
[Bug target/50962] Additional opportunity for AGU stall avoidance optimization for Atom processor
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50962 Igor Zamyatin izamyatin at gmail dot com changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution||FIXED --- Comment #6 from Igor Zamyatin izamyatin at gmail dot com 2011-12-15 04:48:30 UTC --- Fixed.
[Bug target/50962] Additional opportunity for AGU stall avoidance optimization for Atom processor
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50962 --- Comment #4 from Kirill Yukhin kyukhin at gcc dot gnu.org 2011-11-07 08:47:18 UTC --- Author: kyukhin Date: Mon Nov 7 08:47:15 2011 New Revision: 181077 URL: http://gcc.gnu.org/viewcvs?root=gccview=revrev=181077 Log: gcc/ PR target/50962 * config/i386/i386-protos.h (ix86_use_lea_for_mov): New. * config/i386/i386.c (ix86_use_lea_for_mov): Likewise. * config/i386/i386.md (movsi_internal): Emit lea if profitable. (movdi_internal_rex64): Likewise. Modified: trunk/gcc/config/i386/i386-protos.h trunk/gcc/config/i386/i386.c trunk/gcc/config/i386/i386.md trunk/gcc/testsuite/ChangeLog
[Bug target/50962] Additional opportunity for AGU stall avoidance optimization for Atom processor
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50962 --- Comment #1 from Igor Zamyatin izamyatin at gmail dot com 2011-11-02 12:00:55 UTC --- Created attachment 25688 -- http://gcc.gnu.org/bugzilla/attachment.cgi?id=25688 testcase
[Bug target/50962] Additional opportunity for AGU stall avoidance optimization for Atom processor
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50962 --- Comment #2 from Ilya Enkovich enkovich.gnu at gmail dot com 2011-11-02 13:05:46 UTC --- Created attachment 25689 -- http://gcc.gnu.org/bugzilla/attachment.cgi?id=25689 Proposed patch
[Bug target/50962] Additional opportunity for AGU stall avoidance optimization for Atom processor
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50962 Ilya Enkovich enkovich.gnu at gmail dot com changed: What|Removed |Added CC||enkovich.gnu at gmail dot ||com --- Comment #3 from Ilya Enkovich enkovich.gnu at gmail dot com 2011-11-02 13:06:07 UTC --- Current optimization use only splits to transform arithmetic into lea and vice versa. It does not work for move because corresponding lea template will be equal. We can check if lea is required during instruction emit. I have a patch to fix it. Bootstrap and make check passed. I'm currently checking performance changes.
