gcc/testsuite/gcc.target/i386/sse4_1-check.h

   1 #include <stdlib.h>
   2
   3 #include "cpuid.h"
   4 #include "m128-check.h"
   5
   6 static void sse4_1_test (void);
   7
   8 #define MASK 0x2
   9
  10 static void
  11 __attribute__ ((noinline))
  12 do_test (void)
  13 {
  14   sse4_1_test ();
  15 }
  16
  17 int
  18 main ()
  19 {
  20   unsigned int eax, ebx, ecx, edx;
  21
  22   if (!__get_cpuid (1, &eax, &ebx, &ecx, &edx))
  23     return 0;
  24
  25   /* Run SSE4.1 test only if host has SSE4.1 support.  */
  26   if (ecx & bit_SSE4_1)
  27     do_test ();
  28
  29   return 0;
  30 }