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 #pragma GCC novector
  23   for (i = 0; i < N; i++)
  24     {
  25       if (fa[i] != (float) usb[i])
  26         abort ();
  27     }
  28
  29   return 0;
  30 }
  31
  32 int main (void)
  33 {
  34   check_vect ();
  35
  36   return main1 ();
  37 }
  38
  39 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target vect_intfloat_cvt } } } */