[FFmpeg-cvslog] r17451 - trunk/libavcodec/fft.c
diego
subversion
Thu Feb 19 01:54:59 CET 2009
Author: diego
Date: Thu Feb 19 01:54:59 2009
New Revision: 17451
Log:
Only enable SSE/3DNOW optimizations when they have been enabled at compilation.
Fixes shared build with SSE/3DNOW disabled but MMX and yasm enabled.
Modified:
trunk/libavcodec/fft.c
Modified: trunk/libavcodec/fft.c
==============================================================================
--- trunk/libavcodec/fft.c Thu Feb 19 01:47:11 2009 (r17450)
+++ trunk/libavcodec/fft.c Thu Feb 19 01:54:59 2009 (r17451)
@@ -89,18 +89,18 @@ av_cold int ff_fft_init(FFTContext *s, i
#if HAVE_MMX && HAVE_YASM
has_vectors = mm_support();
- if (has_vectors & FF_MM_SSE) {
+ if (has_vectors & FF_MM_SSE && HAVE_SSE) {
/* SSE for P3/P4/K8 */
s->imdct_calc = ff_imdct_calc_sse;
s->imdct_half = ff_imdct_half_sse;
s->fft_permute = ff_fft_permute_sse;
s->fft_calc = ff_fft_calc_sse;
- } else if (has_vectors & FF_MM_3DNOWEXT) {
+ } else if (has_vectors & FF_MM_3DNOWEXT && HAVE_AMD3DNOWEXT) {
/* 3DNowEx for K7 */
s->imdct_calc = ff_imdct_calc_3dn2;
s->imdct_half = ff_imdct_half_3dn2;
s->fft_calc = ff_fft_calc_3dn2;
- } else if (has_vectors & FF_MM_3DNOW) {
+ } else if (has_vectors & FF_MM_3DNOW && HAVE_AMD3DNOW) {
/* 3DNow! for K6-2/3 */
s->imdct_calc = ff_imdct_calc_3dn;
s->imdct_half = ff_imdct_half_3dn;
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