[Ffmpeg-cvslog] r6024 - trunk/libavcodec/fft.c

[lorenm]

Author: lorenm
Date: Sat Aug 19 04:42:20 2006
New Revision: 6024

Modified:
   trunk/libavcodec/fft.c

Log:
use ff_fft_calc_3dn2 instead of sse on a K8.
1.5% faster vorbis.


Modified: trunk/libavcodec/fft.c
==============================================================================
--- trunk/libavcodec/fft.c	(original)
+++ trunk/libavcodec/fft.c	Sat Aug 19 04:42:20 2006
@@ -68,17 +68,13 @@
             if (has_vectors & MM_3DNOWEXT)
                 s->imdct_calc = ff_imdct_calc_3dn2;
             if (has_vectors & MM_3DNOWEXT)
-                /* 3DNowEx for Athlon(XP) */
+                /* 3DNowEx for K7/K8 */
                 s->fft_calc = ff_fft_calc_3dn2;
             else if (has_vectors & MM_3DNOW)
                 /* 3DNow! for K6-2/3 */
                 s->fft_calc = ff_fft_calc_3dn;
-            if (has_vectors & MM_SSE2)
-                /* SSE for P4/K8 */
-                s->fft_calc = ff_fft_calc_sse;
-            else if ((has_vectors & MM_SSE) &&
-                     s->fft_calc == ff_fft_calc_c)
-                /* SSE for P3 */
+            else if (has_vectors & MM_SSE)
+                /* SSE for P3/P4 */
                 s->fft_calc = ff_fft_calc_sse;
 #else /* HAVE_MMX */
             if (has_vectors & MM_ALTIVEC)