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 __attribute__ ((noinline)) int main1 ()
   9 {
  10   int i;
  11   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};
  12   float fa[N];
  13
  14   /* unsigned short -> float */
  15   for (i = 0; i < N; i++)
  16     {
  17       fa[i] = (float) usb[i];
  18     }
  19
  20   /* check results:  */
  21   for (i = 0; i < N; i++)
  22     {
  23       if (fa[i] != (float) usb[i])
  24         abort ();
  25     }
  26
  27   return 0;
  28 }
  29
  30 int main (void)
  31 {
  32   check_vect ();
  33
  34   return main1 ();
  35 }
  36
  37 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target vect_intfloat_cvt } } } */
  38 /* { dg-final { cleanup-tree-dump "vect" } } */