[FFmpeg-devel] [PATCH] Altivec vector_fmul_scalar

David Conrad lessen42
Tue Jan 6 10:50:33 CET 2009


~7-9% faster vorbis, aac, and ac3.

I have no clue why it's not bitexact to the C version; I tried not  
using the add of madd, and even enabling denormal handling to match  
the C version. The differences are only a very occasional +/- 1 however.

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