[Bug rtl-optimization/11488] Pre-regalloc scheduling severely worsens performance

2017-01-18 Thread pthaugen at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=11488 Pat Haugen changed: What|Removed |Added Target|alphaev68-*-*, powerpc-*-* |alphaev68-*-* --- Comment #14 from Pat

[Bug rtl-optimization/11488] Pre-regalloc scheduling severely worsens performance

2016-12-21 Thread pthaugen at gcc dot gnu.org
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

[Bug rtl-optimization/11488] Pre-regalloc scheduling severely worsens performance

2016-12-21 Thread pthaugen at gcc dot gnu.org
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

[Bug rtl-optimization/11488] Pre-regalloc scheduling severely worsens performance

2016-05-14 Thread mattst88 at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=11488 Matt Turner changed: What|Removed |Added CC||mattst88 at gmail dot com --- Comment #11

[Bug rtl-optimization/11488] Pre-regalloc scheduling severely worsens performance

2011-05-22 Thread steven at gcc dot gnu.org
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...

[Bug rtl-optimization/11488] Pre-regalloc scheduling severely worsens performance

2008-09-13 Thread pinskia at gcc dot gnu dot org
--- 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

[Bug rtl-optimization/11488] Pre-regalloc scheduling severely worsens performance

2004-11-06 Thread pinskia at gcc dot gnu dot org
--- 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%