[Bug tree-optimization/126433] [17 Regression] 4% slowdown of imagick_r on Zen5 since r17-2486-g60b27d915e1474
ubizjak at gmail dot com via Gcc-bugs <[email protected]>
| Newsgroups | gmane.comp.gcc.bugs |
|---|---|
| Message-ID | <[email protected]/bugzilla/> |
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=126433
Uroš Bizjak <ubizjak at gmail dot com> changed:
What |Removed |Added
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Last reconfirmed| |2026-07-27
Status|UNCONFIRMED |ASSIGNED
Assignee|unassigned at gcc dot gnu.org |ubizjak at gmail dot com
Ever confirmed|0 |1
--- Comment #1 from Uroš Bizjak <ubizjak at gmail dot com> ---
Created attachment 65143
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=65143&action=edit
Patch in testing.
Apparently targets other than Pentium4 do not like XCHGB.