19 #ifndef AVUTIL_X86_EMMS_H
20 #define AVUTIL_X86_EMMS_H
29 # define emms_c emms_c
46 __asm__ volatile (
"emms" :::
"memory");
48 #elif HAVE_MMX && HAVE_MM_EMPTY
49 # include <mmintrin.h>
50 # define emms_c _mm_empty
51 #elif HAVE_MMX_EXTERNAL
52 # define emms_c avpriv_emms_asm
__asm__(".macro parse_r var r\n\t" "\\var = -1\n\t" _IFC_REG(0) _IFC_REG(1) _IFC_REG(2) _IFC_REG(3) _IFC_REG(4) _IFC_REG(5) _IFC_REG(6) _IFC_REG(7) _IFC_REG(8) _IFC_REG(9) _IFC_REG(10) _IFC_REG(11) _IFC_REG(12) _IFC_REG(13) _IFC_REG(14) _IFC_REG(15) _IFC_REG(16) _IFC_REG(17) _IFC_REG(18) _IFC_REG(19) _IFC_REG(20) _IFC_REG(21) _IFC_REG(22) _IFC_REG(23) _IFC_REG(24) _IFC_REG(25) _IFC_REG(26) _IFC_REG(27) _IFC_REG(28) _IFC_REG(29) _IFC_REG(30) _IFC_REG(31) ".iflt \\var\n\t" ".error \"Unable to parse register name \\r\"\n\t" ".endif\n\t" ".endm")
Macro definitions for various function/variable attributes.
int av_get_cpu_flags(void)
Return the flags which specify extensions supported by the CPU.
#define AV_CPU_FLAG_MMX
standard MMX
void avpriv_emms_asm(void)