gcc/testsuite/gcc.dg/vect/vect-intfloat-conversion-2.c

   1 /* { dg-require-effective-target vect_float } */
   2
   3 #include <stdarg.h>
   4 #include "tree-vect.h"
   5
   6 #define N 32
   7
   8 int int_arr[N] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45};
   9 float float_arr[N];
  10 char char_arr[N];
  11
  12 __attribute__ ((noinline)) int main1 ()
  13 {
  14   int i;
  15
  16   for (i = 0; i < N; i++){
  17     float_arr[i] = (float) int_arr[i];
  18     char_arr[i] = 0;
  19   }
  20
  21   /* check results:  */
  22 #pragma GCC novector
  23   for (i = 0; i < N; i++)
  24     {
  25       if (float_arr[i] != (float) int_arr[i])
  26         abort ();
  27       if (char_arr[i] != 0)
  28         abort ();
  29     }
  30
  31   return 0;
  32 }
  33
  34 int main (void)
  35 {
  36   check_vect ();
  37
  38   return main1 ();
  39 }
  40
  41 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target vect_intfloat_cvt } } } */