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

   1 /* { dg-do compile } */
   2 /* { dg-require-effective-target vect_float } */
   3
   4 #include <stdarg.h>
   5 #include "tree-vect.h"
   6
   7 #define N 16
   8
   9 _Complex float a[N]  __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) =
  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
  15 _Complex float c[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
  16
  17
  18 __attribute__ ((noinline)) _Complex float
  19 foo (int x)
  20 {
  21   int i;
  22   _Complex float *p = a + x;
  23   _Complex float sum = 10.0F + 20.0iF;
  24
  25   for (i = 0; i < N; i++)
  26    {
  27      sum += *p;
  28      p++;
  29    }
  30
  31   c[0] = sum + 66.0F + 86.0iF;
  32
  33   return 0;
  34 }
  35
  36