gcc/testsuite/gcc.dg/vect/fast-math-pr44152.c

   1 /* { dg-do compile } */
   2 /* { dg-require-effective-target vect_float } */
   3
   4 #include <stdio.h>
   5 #include <stdarg.h>
   6 #include "tree-vect.h"
   7
   8 #define N 16
   9
  10 _Complex float a[N]  __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) =
  11     { 10.0F + 20.0iF, 11.0F + 21.0iF, 12.0F + 22.0iF, 13.0F + 23.0iF,
  12       14.0F + 24.0iF, 15.0F + 25.0iF, 16.0F + 26.0iF, 17.0F + 27.0iF,
  13       18.0F + 28.0iF, 19.0F + 29.0iF, 20.0F + 30.0iF, 21.0F + 31.0iF,
  14       22.0F + 32.0iF, 23.0F + 33.0iF, 24.0F + 34.0iF, 25.0F + 35.0iF };
  15
  16 _Complex float c[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
  17
  18
  19 __attribute__ ((noinline)) _Complex float
  20 foo (int x)
  21 {
  22   int i;
  23   _Complex float *p = a + x;
  24   _Complex float sum = 10.0F + 20.0iF;
  25
  26   for (i = 0; i < N; i++)
  27    {
  28      sum += *p;
  29      p++;
  30    }
  31
  32   c[0] = sum + 66.0F + 86.0iF;
  33
  34   return 0;
  35 }
  36
  37
  38 /* { dg-final { cleanup-tree-dump "vect" } } */