gcc/testsuite/gcc.dg/vect/slp-12b.c

   1 /* { dg-require-effective-target vect_uintfloat_cvt } */
   2 /* { dg-require-effective-target vect_float } */
   3
   4 #include <stdarg.h>
   5 #include "tree-vect.h"
   6
   7 #define N 64
   8
   9 unsigned int in[N*8] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63};
  10
  11 int
  12 main1 ()
  13 {
  14   int i;
  15   float out2[N*8], fa[N*4];
  16
  17   for (i = 0; i < N; i++)
  18     {
  19       out2[i*2] = (float) (in[i*2] * 2 + 11) ;
  20       out2[i*2 + 1] = (float) (in[i*2 + 1] * 3 + 7);
  21
  22       fa[i] = (float) in[i*2+1];
  23     }
  24
  25   /* check results:  */
  26 #pragma GCC novector
  27   for (i = 0; i < N; i++)
  28     {
  29       if (out2[i*2] !=  (float) (in[i*2] * 2 + 11)
  30          || out2[i*2 + 1] != (float) (in[i*2 + 1] * 3 + 7)
  31          || fa[i] != (float) in[i*2+1])
  32         abort ();
  33     }
  34
  35
  36   return 0;
  37 }
  38
  39 int main (void)
  40 {
  41   check_vect ();
  42
  43   main1 ();
  44
  45   return 0;
  46 }
  47
  48 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect"  { target { vect_strided2 && vect_int_mult } } } } */
  49 /* { dg-final { scan-tree-dump-times "vectorized 0 loops" 1 "vect"  { target { ! { vect_strided2 && vect_int_mult } } } } } */
  50 /* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 2 "vect"  { target { vect_strided2 && vect_int_mult } } } } */
  51 /* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 0 "vect"  { target { ! { vect_strided2 && vect_int_mult } } } } } */
  52