https://gcc.gnu.org/bugzilla/show_bug.cgi?id=11488
Pat Haugen changed:
What|Removed |Added
Target|alphaev68-*-*, powerpc-*-* |alphaev68-*-*
--- Comment #14 from Pat
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=11488
--- Comment #13 from Pat Haugen ---
Fixed on powerpc. Testcase times (at 8X original loop count to get measurable
times).
base: 4.436 sec
base + -fno-schedule-insns: 2.052 sec
base + patch: 1.815 sec
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=11488
--- Comment #12 from Pat Haugen ---
Author: pthaugen
Date: Wed Dec 21 19:15:32 2016
New Revision: 243866
URL: https://gcc.gnu.org/viewcvs?rev=243866=gcc=rev
Log:
PR rtl-optimization/11488
* common/config/rs6000/rs6000-common.c
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=11488
Matt Turner changed:
What|Removed |Added
CC||mattst88 at gmail dot com
--- Comment #11
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=11488
--- Comment #10 from Steven Bosscher steven at gcc dot gnu.org 2011-05-22
15:02:03 UTC ---
Someone should try with -fsched-pressure...
--- Comment #9 from pinskia at gcc dot gnu dot org 2008-09-14 03:10 ---
IRA improves this but it is still worse at -O2 than -O1 and than -O2
-fno-schedule-insns (which is the best so far).
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=11488
--- Additional Comments From pinskia at gcc dot gnu dot org 2004-11-06 17:50
---
New timings from the mainline for PPC:
[zhivago:~/src/localgccPRs] pinskia% ~/local/bin/gcc -O2 pr11488.c
-fno-schedule-insns[zhivago:~/
src/localgccPRs] pinskia% time ./a.out1.300u 0.010s 0:01.34 97.7%