[Bug target/119626] On aarch64, use the bfcvt instruction to cast to __bf16 when target supports it

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119626

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Target|arm64                       |aarch64
           Severity|normal                      |enhancement
            Summary|On ARM, use the bfcvt       |On aarch64, use the bfcvt
                   |instruction to cast to      |instruction to cast to
                   |__bf16 when target supports |__bf16 when target supports
                   |it                          |it
           Keywords|                            |missed-optimization