[vorbis-dev] casting/rounding ASM committed to beta3 branch

[David Riley]

Jack Moffitt wrote:
> 
> 1) float to int of gcc is nasty.  we inlined it with one 'fistp'. (HUGE
> speedup)  (there's two places this is critical for speed.  float -> int
> conversion in vorbisfile.c for the sample output, and in lookup.c for
> the cosine,squareroot,etc lookups for lsp_to_curve).

I've got PPC assembly for float to int if you want that... Does clipping
checking as well.  Let me know if you want that (I don't have it in gas
format, just inlined into a C file... I could try making it gas-friendly).

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