gcc/testsuite/gcc.target/i386/avx-vtestpd-256-1.c

   1 /* { dg-do run } */
   2 /* { dg-require-effective-target avx } */
   3 /* { dg-options "-O2 -mavx -DNEED_IEEE754_DOUBLE" } */
   4
   5 #include "avx-check.h"
   6
   7 static void
   8 avx_test ()
   9 {
  10     int i;
  11     union256d source1, source2;
  12
  13     double s1[4] = {0, -5463, 86456, 0};
  14     double s2[4] = {0, -1223, 0,     1};
  15     int    d[1];
  16     int    e[1];
  17
  18     source1.x = _mm256_loadu_pd(s1);
  19     source2.x = _mm256_loadu_pd(s2);
  20     d[0] = _mm256_testz_pd(source1.x, source2.x);
  21
  22     e[0] = 1;
  23     for (i = 0; i < 4; i++) {
  24         union ieee754_double u1, u2;
  25         u1.d = s1[i];
  26         u2.d = s2[i];
  27         if (u1.bits.sign && u2.bits.sign) {
  28             e[0] = 0;
  29         }
  30     }
  31
  32    if (checkVi(d, e, 1))
  33      abort ();
  34 }
  35