[Bug libstdc++/118416] std::experimental::simd code detecting all zero is not optimized to simple ptest on x86-64 avx

[lee.imple at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118416

--- Comment #1 from Imple Lee <lee.imple at gmail dot com> ---
Possibly related: PR90483 .