[flac-dev] [PATCH 5/5] SIMD: remove outdated SSE2 code

Olivier Tristan o.tristan at uvi.net
Sat Feb 18 16:59:45 UTC 2017

Is the SSE 4.1 support detected at runtime ?
i.e you compile with 4.1 support in order to get the intrinsincs by the
compiler but the actual code is only called at runtime when 4.1 is
supported by the computer

Thanks !

2017-02-18 17:56 GMT+01:00 lvqcl <lvqcl.mail at gmail.com>:

> This patch removes FLAC__lpc_restore_signal_16_intrin_sse2().
> It's faster than C code, but not faster than MMX-accelerated
> ASM functions. It's also slower than the new SSE4.1 functions
> that were added by the previous patch.
> So this function wasn't very useful before, and now it's
> even less useful. I don't see a reason to keep it.
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Olivier Tristan
Research & Development
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