gcc/testsuite/gcc.target/i386/avx-vtestps-256-2.c

   1 /* { dg-do run } */
   2 /* { dg-require-effective-target avx } */
   3 /* { dg-options "-O2 -mavx -DNEED_IEEE754_FLOAT" } */
   4
   5 #include "avx-check.h"
   6
   7 static void
   8 avx_test ()
   9 {
  10     int i;
  11     union256 source1, source2;
  12
  13     float s1[8] = {0, -5463, 86456, 0, 1234, 0, 62445, 34352};
  14     float s2[8] = {0, -1223, 0,     0, 0,    1, 0,     0};
  15     int   d[1];
  16     int   e[1];
  17
  18     source1.x = _mm256_loadu_ps(s1);
  19     source2.x = _mm256_loadu_ps(s2);
  20     d[0] = _mm256_testc_ps(source1.x, source2.x);
  21
  22     e[0] = 1;
  23     for (i = 0; i < 8; i++) {
  24         union ieee754_float 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     if (checkVi (d, e, 1))
  32       abort ();
  33 }
  34