Displaying 2 results from an estimated 2 matches for "cuch".
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2016 Jun 26
2
FLAC__SSE_OS change
Thomas Zander wrote:
> In any case, the disable-SSE matter is still important. People are
> still using flac on x86 machines without SSE, for instance AMD Geode
> CPUs seem to live forever.
libFLAC detects CPU SSE support in runtime, so --disable-sse is
necessary for cuch CPUs only because it disables -msse2 switch.
Maybe it makes sense to add new switch, --no-force-sse2 or
--disable-force-sse2 or similar? And replace
if test "x$asm_optimisation$sse_os" = "xyesyes" ; then
XIPH_ADD_CFLAGS([-msse2])
fi
with
if test &...
2016 Jun 26
2
FLAC__SSE_OS change
Dave Yeo wrote:
> Doesn't SSE support imply SSE2+ support?
Not for the CPU. Just because a CPU supports SSE, does not mean it
is guaranteed to support SSE2+.
For OS support, I'm not sure. Didn't later version of SSE add new
registers?
> I have a '96 install of an OS, it has been upgraded until end of life,
> and it handles SSE4+ instructions fine even though the