[Bug target/94866] Failure to optimize pinsrq of 0 with index 1 into movq

[ubizjak at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94866

--- Comment #5 from Uroš Bizjak <ubizjak at gmail dot com> ---
Created attachment 55778
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=55778&action=edit
Failing patch,  for reference

Patch that converts vec_concat/vec_select sse2_movq128 patterns to vec_merge.