[Bug target/109414] RISC-V: unnecessary sext.w in rv64

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109414

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Sinan from comment #2)
> commit 23d9f62c50d935462ecda5516746037a474c25cd looks like a solution for
> this.

r13-4150-g23d9f62c50d935