gcc/testsuite/gcc.dg/vect/vect-intfloat-conversion-4b.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 unsigned short usb[N] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,0,65533,65530,65527,65524,65521,65518,65515,65512,65509,65506,65503,65500,65497,65494,65491};
   9 float fa[N];
  10
  11 __attribute__ ((noinline)) int main1 ()
  12 {
  13   int i;
  14
  15   /* unsigned short -> float */
  16   for (i = 0; i < N; i++)
  17     {
  18       fa[i] = (float) usb[i];
  19     }
  20
  21   /* check results:  */
  22   for (i = 0; i < N; i++)
  23     {
  24       if (fa[i] != (float) usb[i])
  25         abort ();
  26     }
  27
  28   return 0;
  29 }
  30
  31 int main (void)
  32 {
  33   check_vect ();
  34
  35   return main1 ();
  36 }
  37
  38 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target vect_intfloat_cvt } } } */