[Bug target/70155] Use SSE for TImode load/store

[ubizjak at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70155

--- Comment #4 from Uroš Bizjak <ubizjak at gmail dot com> ---
(In reply to H.J. Lu from comment #3)
> We can extend STV pass to 64-bit mode to convert load and store of
> 128-bit ntegers to 128-bit SSE load and store, which is implemented
> on hjl/pr70155/master branch.
> 
> As a follow-on optimization, we can add TImode bitwise patterns to
> use SSE for TImode bitwise operation.

IMO, this is a good idea, and the infrastructure is already in place.