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transmeta crusoe mmx detection by "Nobody/Anonymous - nobody" / sf feature request tracker

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Originally committed as revision 3248 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2004-06-24 22:13:44 +00:00
parent 504c8380a3
commit 4c99f2cdbe
1 changed files with 11 additions and 0 deletions
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11
libavcodec/i386/cputest.c
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@ -114,6 +114,17 @@ int mm_support(void)
if (eax & 0x01000000)
rval |= MM_MMXEXT;
return rval;
} else if (ebx == 0x756e6547 &&
edx == 0x54656e69 &&
ecx == 0x3638784d) {
/* Tranmeta Crusoe */
cpuid(0x80000000, eax, ebx, ecx, edx);
if ((unsigned)eax < 0x80000001)
return 0;
cpuid(0x80000001, eax, ebx, ecx, edx);
if ((edx & 0x00800000) == 0)
return 0;
return MM_MMX;
} else {
return 0;
}