X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=synfig-core%2Ftags%2Fsynfig_0_61_05%2Fsynfig-core%2Fsrc%2Fmodules%2Fmod_libavcodec%2Flibavcodec%2Fi386%2Fcputest.c;fp=synfig-core%2Ftags%2Fsynfig_0_61_05%2Fsynfig-core%2Fsrc%2Fmodules%2Fmod_libavcodec%2Flibavcodec%2Fi386%2Fcputest.c;h=0000000000000000000000000000000000000000;hb=6fa8f2f38d4b0b35f8539bf94e27ae27015c7689;hp=b50d653c4d5d903b13d008a36d24b8d3edccc0c8;hpb=47fce282611fbba1044921d22ca887f9b53ad91a;p=synfig.git diff --git a/synfig-core/tags/synfig_0_61_05/synfig-core/src/modules/mod_libavcodec/libavcodec/i386/cputest.c b/synfig-core/tags/synfig_0_61_05/synfig-core/src/modules/mod_libavcodec/libavcodec/i386/cputest.c deleted file mode 100644 index b50d653..0000000 --- a/synfig-core/tags/synfig_0_61_05/synfig-core/src/modules/mod_libavcodec/libavcodec/i386/cputest.c +++ /dev/null @@ -1,130 +0,0 @@ -/* Cpu detection code, extracted from mmx.h ((c)1997-99 by H. Dietz - and R. Fisher). Converted to C and improved by Fabrice Bellard */ - -#include -#include "../dsputil.h" - -/* ebx saving is necessary for PIC. gcc seems unable to see it alone */ -#define cpuid(index,eax,ebx,ecx,edx)\ - __asm __volatile\ - ("movl %%ebx, %%esi\n\t"\ - "cpuid\n\t"\ - "xchgl %%ebx, %%esi"\ - : "=a" (eax), "=S" (ebx),\ - "=c" (ecx), "=d" (edx)\ - : "0" (index)); - -/* Function to test if multimedia instructions are supported... */ -int mm_support(void) -{ - int rval; - int eax, ebx, ecx, edx; - - __asm__ __volatile__ ( - /* See if CPUID instruction is supported ... */ - /* ... Get copies of EFLAGS into eax and ecx */ - "pushf\n\t" - "popl %0\n\t" - "movl %0, %1\n\t" - - /* ... Toggle the ID bit in one copy and store */ - /* to the EFLAGS reg */ - "xorl $0x200000, %0\n\t" - "push %0\n\t" - "popf\n\t" - - /* ... Get the (hopefully modified) EFLAGS */ - "pushf\n\t" - "popl %0\n\t" - : "=a" (eax), "=c" (ecx) - : - : "cc" - ); - - if (eax == ecx) - return 0; /* CPUID not supported */ - - cpuid(0, eax, ebx, ecx, edx); - - if (ebx == 0x756e6547 && - edx == 0x49656e69 && - ecx == 0x6c65746e) { - - /* intel */ - inteltest: - cpuid(1, eax, ebx, ecx, edx); - if ((edx & 0x00800000) == 0) - return 0; - rval = MM_MMX; - if (edx & 0x02000000) - rval |= MM_MMXEXT | MM_SSE; - if (edx & 0x04000000) - rval |= MM_SSE2; - return rval; - } else if (ebx == 0x68747541 && - edx == 0x69746e65 && - ecx == 0x444d4163) { - /* AMD */ - cpuid(0x80000000, eax, ebx, ecx, edx); - if ((unsigned)eax < 0x80000001) - goto inteltest; - cpuid(0x80000001, eax, ebx, ecx, edx); - if ((edx & 0x00800000) == 0) - return 0; - rval = MM_MMX; - if (edx & 0x80000000) - rval |= MM_3DNOW; - if (edx & 0x00400000) - rval |= MM_MMXEXT; - return rval; - } else if (ebx == 0x746e6543 && - edx == 0x48727561 && - ecx == 0x736c7561) { /* "CentaurHauls" */ - /* VIA C3 */ - cpuid(0x80000000, eax, ebx, ecx, edx); - if ((unsigned)eax < 0x80000001) - goto inteltest; - cpuid(0x80000001, eax, ebx, ecx, edx); - rval = 0; - if( edx & ( 1 << 31) ) - rval |= MM_3DNOW; - if( edx & ( 1 << 23) ) - rval |= MM_MMX; - if( edx & ( 1 << 24) ) - rval |= MM_MMXEXT; - return rval; - } else if (ebx == 0x69727943 && - edx == 0x736e4978 && - ecx == 0x64616574) { - /* Cyrix Section */ - /* See if extended CPUID level 80000001 is supported */ - /* The value of CPUID/80000001 for the 6x86MX is undefined - according to the Cyrix CPU Detection Guide (Preliminary - Rev. 1.01 table 1), so we'll check the value of eax for - CPUID/0 to see if standard CPUID level 2 is supported. - According to the table, the only CPU which supports level - 2 is also the only one which supports extended CPUID levels. - */ - if (eax != 2) - goto inteltest; - cpuid(0x80000001, eax, ebx, ecx, edx); - if ((eax & 0x00800000) == 0) - return 0; - rval = MM_MMX; - if (eax & 0x01000000) - rval |= MM_MMXEXT; - return rval; - } else { - return 0; - } -} - -#ifdef __TEST__ -int main ( void ) -{ - int mm_flags; - mm_flags = mm_support(); - printf("mm_support = 0x%08u\n",mm_flags); - return 0; -} -#endif