x86 — x86 helper library
#include <igt_x86.h>
unsigned igt_x86_features (void);
void
char * igt_x86_features_to_string (unsigned features, char *line);
unsigned features
char *line
#define MMX 0x1
#define SSE 0x2
#define SSE2 0x4
#define SSE3 0x8
#define SSSE3 0x10
#define SSE4_1 0x20
#define SSE4_2 0x40
#define AVX 0x80
#define AVX2 0x100