/* A runtime check for AltiVec capability. */ /* Contributed by Ziemowit Laski */ #include extern void exit (int); extern void abort (void); 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); }