https://gcc.gnu.org/bugzilla/show_bug.cgi?id=126293
--- Comment #8 from H.J. Lu <hjl.tools at gmail dot com> --- (In reply to Jakub Jelinek from comment #5) > Comment on attachment 65080 [details] > A patch > > This is missing the important part, documentation for the new option, which > will explain when it is safe to use this option (when only targetting AVX > capable hw from Intel, AMD or Zhaoxin, not e.g. VIA. Dunno about Hygon, > maybe we should ask Kewen or others working on the port if they have the > appropriate guarantee too. I uploaded an updated patch with documentation. I also sent an email to Hygon people for clarification.
