/* A runtime check for AltiVec capability. */ | |
/* Contributed by Ziemowit Laski <zlaski@apple.com> */ | |
#include <signal.h> | |
extern "C" void exit(int); | |
void | |
sig_ill_handler (int sig) | |
{ | |
exit (0); | |
} | |
void altivec_check(void) { | |
/* Exit on systems without AltiVec. */ | |
signal (SIGILL, sig_ill_handler); | |
#ifdef __MACH__ | |
asm volatile ("vor v0,v0,v0"); | |
#else | |
asm volatile ("vor 0,0,0"); | |
#endif | |
signal (SIGILL, SIG_DFL); | |
} |