[Bug target/126283] [15/16/17 Regression] Extra register move in __builtin_bswap16 on x86-64 since r15-930

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=126283

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|---                         |15.4
   Last reconfirmed|                            |2026-07-15
            Summary|Extra register move in      |[15/16/17 Regression] Extra
                   |__builtin_bswap16 on x86-64 |register move in
                   |                            |__builtin_bswap16 on x86-64
                   |                            |since r15-930
                 CC|                            |jakub at gcc dot gnu.org,
                   |                            |uros at gcc dot gnu.org
           Priority|P3                          |P2
             Status|UNCONFIRMED                 |NEW
     Ever confirmed|0                           |1

--- Comment #1 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
This changed with r15-930-ge715204f203d318524ae86f3f2a1e8d5d7cb08dc