cpu.c File Reference

#include <stdlib.h>
#include <string.h>
#include "libavutil/x86_cpu.h"
#include "libavutil/cpu.h"

Go to the source code of this file.

Macros
#define	cpuid(index, eax, ebx, ecx, edx)
#define	xgetbv(index, eax, edx)   __asm__ (".byte 0x0f, 0x01, 0xd0" : "=a"(eax), "=d"(edx) : "c" (index))

Functions
int	ff_get_cpu_flags_x86 (void)

Macro Definition Documentation

#define cpuid	(		index,
			eax,
			ebx,
			ecx,
			edx
	)

Value:

__asm__ volatile\
        ("mov %%"REG_b", %%"REG_S"\n\t"\
         "cpuid\n\t"\
         "xchg %%"REG_b", %%"REG_S\
         : "=a" (eax), "=S" (ebx),\
           "=c" (ecx), "=d" (edx)\
         : "0" (index));

Definition at line 29 of file cpu.c.

Referenced by ff_get_cpu_flags_x86().

#define xgetbv	(		index,
			eax,
			edx
	)		__asm__ (".byte 0x0f, 0x01, 0xd0" : "=a"(eax), "=d"(edx) : "c" (index))

Definition at line 38 of file cpu.c.

Referenced by ff_get_cpu_flags_x86().

Function Documentation

int ff_get_cpu_flags_x86

(

void

)

Definition at line 42 of file cpu.c.

Referenced by av_get_cpu_flags().