https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111023
Uroš Bizjak <ubizjak at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Assignee|unassigned at gcc dot gnu.org |ubizjak at gmail dot com Status|UNCONFIRMED |ASSIGNED Last reconfirmed| |2023-08-18 Ever confirmed|0 |1 --- Comment #3 from Uroš Bizjak <ubizjak at gmail dot com> --- The idea of implementing some sign/zero extensions using PUNPCKL?? is quite interesting. We can implement extensions for all <= 64byte vector modes that extend to wider vector mode also for SSE2. I have a patch.