gcc/testsuite/g++.dg/eh/check-vect.h

   1 /* Check if system supports SIMD.  Copied from gcc.dg/vect/tree-vect.h.  */
   2 #include <signal.h>
   3
   4 extern "C" void abort (void);
   5 extern "C" void exit (int);
   6
   7 void
   8 sig_ill_handler (int sig)
   9 {
  10   exit(0);
  11 }
  12
  13 void check_vect (void)
  14 {
  15   signal(SIGILL, sig_ill_handler);
  16 #if defined(__i386__) || defined(__x86_64__)
  17   /* SSE2 instruction: movsd %xmm0,%xmm0 */
  18   asm volatile (".byte 0xf2,0x0f,0x10,0xc0");
  19 #elif defined(__sparc__)
  20   asm volatile (".word\t0x81b007c0");
  21 #endif
  22   signal (SIGILL, SIG_DFL);
  23 }