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

[lin1.hu at intel dot com]

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

--- Comment #18 from Hu Lin <lin1.hu at intel dot com> ---
(In reply to Uroš Bizjak from comment #17)
> (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.

Indeed.