[Bug middle-end/115863] [15 Regression] zlib-1.3.1 miscompilation since r15-1936-g80e446e829d818

[ubizjak at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115863

--- Comment #17 from Uroš Bizjak <ubizjak at gmail dot com> ---
(In reply to Hongtao Liu from comment #16)
> > Unfortunately, x86 has no vector mode .SAT_TRUNC instruction.
> No, AVX512 supports both signed and unsigned saturation
Indeed.

BTW: PACKUSmn (despite the name) is not what we are looking for.