[Bug target/98730] vceqzq_p64 does not generate vceq with immediate 0

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98730

--- Comment #1 from Christophe Lyon <clyon at gcc dot gnu.org> ---
Why does it choose alternative 0 instead of 1 which matches a vector of
constant zeros?