| /* Check if system supports SIMD. Copied from gcc.dg/vect/tree-vect.h. */ |
| #include <signal.h> |
| |
| extern "C" void abort (void); |
| extern "C" void exit (int); |
| |
| void |
| sig_ill_handler (int sig) |
| { |
| exit(0); |
| } |
| |
| void check_vect (void) |
| { |
| signal(SIGILL, sig_ill_handler); |
| #if defined(__ppc__) || defined(__ppc64__) || defined(__powerpc__) || defined(powerpc) |
| /* Altivec instruction, 'vor %v0,%v0,%v0'. */ |
| asm volatile (".long 0x10000484"); |
| #elif defined(__i386__) || defined(__x86_64__) |
| /* SSE2 instruction: movsd %xmm0,%xmm0 */ |
| asm volatile (".byte 0xf2,0x0f,0x10,0xc0"); |
| #elif defined(__sparc__) |
| asm volatile (".word\t0x81b007c0"); |
| #endif |
| signal (SIGILL, SIG_DFL); |
| } |