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AltiVec perf (take 2), plus a couple AltiVec functions by (Romain Dolbeau <dolbeau at irisa dot fr>)

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Originally committed as revision 1464 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer
2003-01-16 21:54:55 +00:00
parent f44a2df04f
commit db40a39aba
11 changed files with 466 additions and 40 deletions
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4
libavcodec/fft.c
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@ -53,12 +53,12 @@ int fft_init(FFTContext *s, int nbits, int inverse)
/* compute constant table for HAVE_SSE version */
#if (defined(HAVE_MMX) && defined(HAVE_BUILTIN_VECTOR)) || defined(HAVE_ALTIVEC)
{
int has_vectors;
int has_vectors = 0;
#if defined(HAVE_MMX)
has_vectors = mm_support() & MM_SSE;
#endif
#if defined(HAVE_ALTIVEC)
#if defined(HAVE_ALTIVEC) && !defined(ALTIVEC_USE_REFERENCE_C_CODE)
has_vectors = mm_support() & MM_ALTIVEC;
#endif
if (has_vectors) {