-- a/lib/igt_x86.h
++ b/lib/igt_x86.h
#define F16C 0x200
#if defined(__x86_64__) || defined(__i386__)
unsigned igt_x86_features(void);
unsigned igt_x86_features(void) __attribute__((visibility("hidden"))); /* Make sure we never go via PLT. */
char *igt_x86_features_to_string(unsigned features, char *line);
#else
static inline unsigned igt_x86_features(void)