Add CPU feature definitions for SSE3 and SSSE3.

taken from a patch by Ronald S. Bultje, rbultje ronald.bitfreak net
Date: Thu, 07 Jun 2007 08:57:46 -0400
Subject: Re: [FFmpeg-devel] [PATCH] Coremake support - ffmpeg_nommx.patch (1/1)
 - ffmpeg-nommx.patch (1/1) - ff-cputest-noavconfig.patch (1/1)

Originally committed as revision 9249 to svn://svn.ffmpeg.org/ffmpeg/trunk

libavcodec/avcodec.h

@@ -1311,6 +1311,8 @@ typedef struct AVCodecContext {
 #define FF_MM_SSE      0x0008 /* SSE functions */
 #define FF_MM_SSE2     0x0010 /* PIV SSE2 functions */
 #define FF_MM_3DNOWEXT 0x0020 /* AMD 3DNowExt */
+#define FF_MM_SSE3     0x0040 /* Prescott SSE3 functions */
+#define FF_MM_SSSE3    0x0080 /* Conroe SSSE3 functions */
 #define FF_MM_IWMMXT   0x0100 /* XScale IWMMXT */
 
     /**