https://gcc.gnu.org/bugzilla/show_bug.cgi?id=94889
Gabriel Ravier <gabravier at gmail dot com> changed:
What |Removed |Added
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CC| |gabravier at gmail dot com
--- Comment #1 from Gabriel Ravier <gabravier at gmail dot com> ---
For some reason, I can reproduce this, but only if `-mavx2` is not present.
Having AVX2 enabled somehow ends up makes it so this is optimized to a `return
~x`.
(Also, this means that it is a bitwise not and not a negate that this should
optimize down to)