[Bug rtl-optimization/68212] Loop unroller breaks basic block frequencies

2022-02-06 Thread guojiufu at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68212 --- Comment #10 from Jiu Fu Guo --- I had a try for GCC11, https://gcc.gnu.org/pipermail/gcc-patches/2021-July/574421.html. The patches could mitigate the BB-count mismatch issue for loops. In theory, this patch would make sense. But it also rai

[Bug rtl-optimization/68212] Loop unroller breaks basic block frequencies

2022-02-02 Thread pthaugen at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68212 --- Comment #9 from pthaugen at gcc dot gnu.org --- The problem can be seen in the loop2_unroll dump: pthaugen@pike:~/temp/pr68212$ grep "Invalid sum of" simple.c.272r.loop2_unroll ;; Invalid sum of incoming counts 285685646 (estimated locally),

[Bug rtl-optimization/68212] Loop unroller breaks basic block frequencies

2022-02-02 Thread pthaugen at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68212 pthaugen at gcc dot gnu.org changed: What|Removed |Added CC||guojiufu at gcc dot gnu.org,

[Bug rtl-optimization/68212] Loop unroller breaks basic block frequencies

2022-01-13 Thread bergner at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68212 --- Comment #7 from Peter Bergner --- (In reply to Pat Haugen from comment #4) > Author: pthaugen > Date: Fri Oct 14 17:10:18 2016 > New Revision: 241170 > > URL: https://gcc.gnu.org/viewcvs?rev=241170&root=gcc&view=rev > Log: > PR rtl-opt

[Bug rtl-optimization/68212] Loop unroller breaks basic block frequencies

2022-01-13 Thread wschmidt at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68212 Bill Schmidt changed: What|Removed |Added Assignee|kelvin at gcc dot gnu.org |unassigned at gcc dot gnu.org

[Bug rtl-optimization/68212] Loop unroller breaks basic block frequencies

2021-05-04 Thread rguenth at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68212 Richard Biener changed: What|Removed |Added Status|NEW |ASSIGNED

[Bug rtl-optimization/68212] Loop unroller breaks basic block frequencies

2018-11-19 Thread marxin at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68212 Martin Liška changed: What|Removed |Added CC||marxin at gcc dot gnu.org --- Comment #5

[Bug rtl-optimization/68212] Loop unroller breaks basic block frequencies

2016-10-14 Thread pthaugen at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68212 --- Comment #4 from Pat Haugen --- Author: pthaugen Date: Fri Oct 14 17:10:18 2016 New Revision: 241170 URL: https://gcc.gnu.org/viewcvs?rev=241170&root=gcc&view=rev Log: PR rtl-optimization/68212 * cfgloopmanip.c (duplicate_loop

[Bug rtl-optimization/68212] Loop unroller breaks basic block frequencies

2016-09-22 Thread pthaugen at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68212 Pat Haugen changed: What|Removed |Added CC||wschmidt at gcc dot gnu.org --- Comment #3

[Bug rtl-optimization/68212] Loop unroller breaks basic block frequencies

2016-09-13 Thread pthaugen at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68212 --- Comment #2 from Pat Haugen --- Author: pthaugen Date: Tue Sep 13 15:58:52 2016 New Revision: 240113 URL: https://gcc.gnu.org/viewcvs?rev=240113&root=gcc&view=rev Log: PR tree-optimization/77536 PR rtl-optimization/68212

[Bug rtl-optimization/68212] Loop unroller breaks basic block frequencies

2015-11-04 Thread dje at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68212 David Edelsohn changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|