Re: git: c6c6e67d83c2 - main - audio/flac: don't disable VSX on powerpc64le

From: Christian Weisgerber <naddy_at_mips.inka.de>
Date: Mon, 01 Nov 2021 18:28:20 UTC
Matthias Andree:

> > --enable-sse simply adds "-msse2" to the compiler flags.
> > 
> > On amd64, this is a nop, since SSE2 is part of the amd64 architecture.
> > On i386, it generates code that won't run on older CPUs that don't
> > support SSE2.
> 
> Yeah - do we care? SSE2 has come of age in most legislations :-)

So has amd64.  The only reason to run i386 is on machines that don't
support amd64, e.g. old Soekris [45]xxx and the like.

Note that flac has assembly optimizations for various SSE levels
that are properly enabled at runtime based on CPUID.  You're getting
all that on modern CPUs.

-- 
Christian "naddy" Weisgerber                          naddy@mips.inka.de