gcc/testsuite/gcc.dg/vect/fast-math-vect-complex-3.c

/* { dg-require-effective-target vect_float } */

#include <stdarg.h>
#include "tree-vect.h"

#define N 16

_Complex float a[N] =
    { 10.0F + 20.0iF, 11.0F + 21.0iF, 12.0F + 22.0iF, 13.0F + 23.0iF,
      14.0F + 24.0iF, 15.0F + 25.0iF, 16.0F + 26.0iF, 17.0F + 27.0iF,
      18.0F + 28.0iF, 19.0F + 29.0iF, 20.0F + 30.0iF, 21.0F + 31.0iF,
      22.0F + 32.0iF, 23.0F + 33.0iF, 24.0F + 34.0iF, 25.0F + 35.0iF };
_Complex float b[N] =
    { 30.0F + 40.0iF, 31.0F + 41.0iF, 32.0F + 42.0iF, 33.0F + 43.0iF,
      34.0F + 44.0iF, 35.0F + 45.0iF, 36.0F + 46.0iF, 37.0F + 47.0iF,
      38.0F + 48.0iF, 39.0F + 49.0iF, 40.0F + 50.0iF, 41.0F + 51.0iF,
      42.0F + 52.0iF, 43.0F + 53.0iF, 44.0F + 54.0iF, 45.0F + 55.0iF };

_Complex float c[N];
_Complex float res[N] =
    { -500.0F + 1000.0iF, -520.0F + 1102.0iF,
      -540.0F + 1208.0iF, -560.0F + 1318.0iF,
      -580.0F + 1432.0iF, -600.0F + 1550.0iF,
      -620.0F + 1672.0iF, -640.0F + 1798.0iF,
      -660.0F + 1928.0iF, -680.0F + 2062.0iF,
      -700.0F + 2200.0iF, -720.0F + 2342.0iF,
      -740.0F + 2488.0iF, -760.0F + 2638.0iF,
      -780.0F + 2792.0iF, -800.0F + 2950.0iF };


__attribute__ ((noinline)) void
foo (void)
{
  int i;

  for (i = 0; i < N; i++)
    c[i] = a[i] * b[i];

}

int
main (void)
{ 
  int i;
  check_vect ();
  
  foo ();

  /* check results:  */
  for (i = 0; i < N; i++)
  {
    if (c[i] != res[i])
      abort ();
  }

  return 0;
}

/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target vect_strided2 } } } */