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 /* { dg-warning "attribute ignored" "" { target default_packed } 164 } */
   5 /* { dg-message " from " "include chain" { target default_packed } 0 } */
   6
   7 #include "avx-check.h"
   8
   9 static void
  10 avx_test ()
  11 {
  12     int i;
  13     union256d source1, source2;
  14
  15     double s1[4] = {0, -5463, 86456, 0};
  16     double s2[4] = {0, -1223, 0,     1};
  17     int    d[1];
  18     int    e[1];
  19
  20     source1.x = _mm256_loadu_pd(s1);
  21     source2.x = _mm256_loadu_pd(s2);
  22     d[0] = _mm256_testz_pd(source1.x, source2.x);
  23
  24     e[0] = 1;
  25     for (i = 0; i < 4; i++) {
  26         union ieee754_double u1, u2;
  27         u1.d = s1[i];
  28         u2.d = s2[i];
  29         if (u1.bits.sign && u2.bits.sign) {
  30             e[0] = 0;
  31         }
  32     }
  33
  34    if (checkVi(d, e, 1))
  35      abort ();
  36 }
  37