gcc/testsuite/gcc.dg/vect/vect-float-extend-1.c

   1 /* { dg-require-effective-target vect_double } */
   2 /* { dg-require-effective-target vect_float } */
   3
   4 #include <stdarg.h>
   5 #include "tree-vect.h"
   6
   7 #define N 32
   8
   9 float fb[N] = {0.4,3.5,6.6,9.4,12.5,15.6,18.4,21.5,24.6,27.4,30.5,33.6,36.4,39.5,42.6,45.4,0.5,3.6,6.4,9.5,12.6,15.4,18.5,21.6,24.4,27.5,30.6,33.4,36.5,39.6,42.4,45.5};
  10 double da[N];
  11
  12 __attribute__ ((noinline)) int
  13 main1 ()
  14 {
  15   int i;
  16
  17   /* float -> double */
  18   for (i = 0; i < N; i++)
  19     {
  20       da[i] = (double) fb[i];
  21     }
  22
  23   /* check results:  */
  24 #pragma GCC novector
  25   for (i = 0; i < N; i++)
  26     {
  27       if (da[i] != (double) fb[i])
  28        abort ();
  29     }
  30
  31   return 0;
  32 }
  33
  34 int
  35 main (void)
  36 {
  37   check_vect ();
  38
  39   return main1 ();
  40 }
  41
  42 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */