[Bug target/98567] Failure to optimize using ZF flag from blsi

2021-01-07 Thread jakub at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98567 Jakub Jelinek changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug target/98567] Failure to optimize using ZF flag from blsi

2021-01-07 Thread cvs-commit at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98567 --- Comment #3 from CVS Commits --- The master branch has been updated by Jakub Jelinek : https://gcc.gnu.org/g:6bca2ebf10654b8beb5c5737c8652e8262901294 commit r11-6520-g6bca2ebf10654b8beb5c5737c8652e8262901294 Author: Jakub Jelinek Date: Th

[Bug target/98567] Failure to optimize using ZF flag from blsi

2021-01-06 Thread ubizjak at gmail dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98567 --- Comment #2 from Uroš Bizjak --- Comment on attachment 49901 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=49901 gcc11-pr98567.patch >+(define_insn "*bmi_blsi__cmp" >+ [(set (reg:CCZ FLAGS_REG) >+ (compare:CCZ >+(and:SWI4

[Bug target/98567] Failure to optimize using ZF flag from blsi

2021-01-06 Thread jakub at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98567 --- Comment #1 from Jakub Jelinek --- Created attachment 49901 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=49901&action=edit gcc11-pr98567.patch Untested fix.

[Bug target/98567] Failure to optimize using ZF flag from blsi

2021-01-06 Thread jakub at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98567 Jakub Jelinek changed: What|Removed |Added Assignee|unassigned at gcc dot gnu.org |jakub at gcc dot gnu.org