Subversion Repositories scarts

/* A runtime check for AltiVec capability.  */

/* Contributed by Ziemowit Laski  <zlaski@apple.com>  */

#include <signal.h>

extern

#ifdef __cplusplus

"C"

#endif

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);

}