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Add SSE4 detection support 

Originally committed as revision 18302 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
David Conrad 2009-04-01 09:11:32 +00:00
parent 41913a35b0
commit 710441c2f6
2 changed files with 10 additions and 2 deletions
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2
libavcodec/avcodec.h
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@ -1462,6 +1462,8 @@ typedef struct AVCodecContext {
#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_SSE4 0x0100 ///< Penryn SSE4.1 functions
#define FF_MM_SSE42 0x0200 ///< Nehalem SSE4.2 functions
#define FF_MM_IWMMXT 0x0100 ///< XScale IWMMXT
#define FF_MM_ALTIVEC 0x0001 ///< standard AltiVec

10
libavcodec/x86/cpuid.c
View File

@ -85,7 +85,11 @@ int mm_support(void)
if (ecx & 1)
rval |= FF_MM_SSE3;
if (ecx & 0x00000200 )
rval |= FF_MM_SSSE3
rval |= FF_MM_SSSE3;
if (ecx & 0x00080000 )
rval |= FF_MM_SSE4;
if (ecx & 0x00100000 )
rval |= FF_MM_SSE42;
#endif
;
}
@ -105,13 +109,15 @@ int mm_support(void)
}
#if 0
av_log(NULL, AV_LOG_DEBUG, "%s%s%s%s%s%s%s%s\n",
av_log(NULL, AV_LOG_DEBUG, "%s%s%s%s%s%s%s%s%s%s\n",
(rval&FF_MM_MMX) ? "MMX ":"",
(rval&FF_MM_MMXEXT) ? "MMX2 ":"",
(rval&FF_MM_SSE) ? "SSE ":"",
(rval&FF_MM_SSE2) ? "SSE2 ":"",
(rval&FF_MM_SSE3) ? "SSE3 ":"",
(rval&FF_MM_SSSE3) ? "SSSE3 ":"",
(rval&FF_MM_SSE4) ? "SSE4.1 ":"",
(rval&FF_MM_SSE42) ? "SSE4.2 ":"",
(rval&FF_MM_3DNOW) ? "3DNow ":"",
(rval&FF_MM_3DNOWEXT) ? "3DNowExt ":"");
#endif