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/* Check if system supports SIMD */
#include <signal.h>
extern void abort (void);
extern void exit (int);
void
sig_ill_handler (int sig)
{
exit(0);
}
void check_vect (void)
{
signal(SIGILL, sig_ill_handler);
#if defined(__PAIRED__)
/* 750CL paired-single instruction, 'ps_mul %v0,%v0,%v0'. */
asm volatile (".long 0x10000032");
#elif 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");
#elif defined(__arm__)
{
/* On some processors without NEON support, this instruction may
be a no-op, on others it may trap, so check that it executes
correctly. */
long long a = 0, b = 1;
asm ("vorr %P0, %P1, %P2"
: "=w" (a)
: "0" (a), "w" (b));
if (a != 1)
exit (0);
}
#endif
signal (SIGILL, SIG_DFL);
}
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