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

   1 /* { dg-require-effective-target vect_float } */
   2
   3 #include <stdio.h>
   4 #include <stdarg.h>
   5 #include "tree-vect.h"
   6
   7 #define N 16
   8
   9 _Complex float a[N] =
  10     { 10.0F + 20.0iF, 11.0F + 21.0iF, 12.0F + 22.0iF, 13.0F + 23.0iF,
  11       14.0F + 24.0iF, 15.0F + 25.0iF, 16.0F + 26.0iF, 17.0F + 27.0iF,
  12       18.0F + 28.0iF, 19.0F + 29.0iF, 20.0F + 30.0iF, 21.0F + 31.0iF,
  13       22.0F + 32.0iF, 23.0F + 33.0iF, 24.0F + 34.0iF, 25.0F + 35.0iF };
  14 _Complex float b[N] =
  15     { 30.0F + 40.0iF, 31.0F + 41.0iF, 32.0F + 42.0iF, 33.0F + 43.0iF,
  16       34.0F + 44.0iF, 35.0F + 45.0iF, 36.0F + 46.0iF, 37.0F + 47.0iF,
  17       38.0F + 48.0iF, 39.0F + 49.0iF, 40.0F + 50.0iF, 41.0F + 51.0iF,
  18       42.0F + 52.0iF, 43.0F + 53.0iF, 44.0F + 54.0iF, 45.0F + 55.0iF };
  19
  20 _Complex float c[N];
  21 _Complex float res[N] =
  22     { -500.0F + 1000.0iF, -520.0F + 1102.0iF,
  23       -540.0F + 1208.0iF, -560.0F + 1318.0iF,
  24       -580.0F + 1432.0iF, -600.0F + 1550.0iF,
  25       -620.0F + 1672.0iF, -640.0F + 1798.0iF,
  26       -660.0F + 1928.0iF, -680.0F + 2062.0iF,
  27       -700.0F + 2200.0iF, -720.0F + 2342.0iF,
  28       -740.0F + 2488.0iF, -760.0F + 2638.0iF,
  29       -780.0F + 2792.0iF, -800.0F + 2950.0iF };
  30
  31
  32 __attribute__ ((noinline)) void
  33 foo (void)
  34 {
  35   int i;
  36
  37   for (i = 0; i < N; i++)
  38     c[i] = a[i] * b[i];
  39
  40 }
  41
  42 int
  43 main (void)
  44 {
  45   int i;
  46   check_vect ();
  47
  48   foo ();
  49
  50   /* check results:  */
  51   for (i = 0; i < N; i++)
  52   {
  53     if (c[i] != res[i])
  54       abort ();
  55   }
  56
  57   return 0;
  58 }
  59
  60 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target { vect_interleave  && vect_extract_even_odd_wide } } } } */
  61 /* { dg-final { cleanup-tree-dump "vect" } } */