https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92658
Uroš Bizjak <ubizjak at gmail dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
Assignee|unassigned at gcc dot gnu.org |ubizjak at gmail dot com
--- Comment #2 from Uroš Bizjak <ubizjak at gmail dot com> ---
Created attachment 47924
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=47924&action=edit
Prototype patch
Prototype patch that introduces missing expanders to generate PMOVZX and PMOVSX
packed moves. For the testcase in Comment #0, we generate (-O3 -mavx):
bar:
vpmovzxbw (%rsi), %xmm0
vmovdqa %xmm0, (%rdi)
ret
foo:
vpmovzxbw %xmm0, %xmm0
vmovdqa %xmm0, (%rdi)
ret
