gcc/testsuite/gcc.dg/vect/slp-8.c

   1 /* { dg-require-effective-target vect_int } */
   2
   3 #include <stdarg.h>
   4 #include "tree-vect.h"
   5
   6 #define N 32
   7
   8 int main1 ()
   9 {
  10   int i;
  11   int ib[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};
  12   float fa[N];
  13
  14   /* int -> float */
  15   for (i = 0; i < N/4; i++)
  16     {
  17       fa[4*i] = (float) ib[4*i];
  18       fa[4*i + 1] = (float) ib[4*i + 1];
  19       fa[4*i + 2] = (float) ib[4*i + 2];
  20       fa[4*i + 3] = (float) ib[4*i + 3];
  21     }
  22
  23   /* check results:  */
  24   for (i = 0; i < N/4; i++)
  25     {
  26       if (fa[4*i] != (float) ib[4*i]
  27           || fa[4*i + 1] != (float) ib[4*i + 1]
  28           || fa[4*i + 2] != (float) ib[4*i + 2]
  29           || fa[4*i + 3] != (float) ib[4*i + 3])
  30         abort ();
  31     }
  32
  33   return 0;
  34 }
  35
  36 int main (void)
  37 {
  38   check_vect ();
  39
  40   return main1 ();
  41 }
  42
  43 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target powerpc*-*-* i?86-*-* x86_64-*-* } } } */
  44 /* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 1 "vect" { target powerpc*-*-* i?86-*-* x86_64-*-* } } } */
  45 /* { dg-final { cleanup-tree-dump "vect" } } */