old-autovect-branch/gcc/testsuite/gcc.dg/vect/vect-118.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 short sa[N];
   9 short sc[N] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
  10                 16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31};
  11 short sb[N] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
  12                 16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31};
  13 int ia[N];
  14 int ic[N] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,
  15                0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15};
  16 int ib[N] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,
  17                0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15};
  18
  19 /* Current peeling-for-alignment scheme will consider the 'ia[i+3]'
  20    access for peeling, and therefore will examine the option of
  21    using a peeling factor = VF-3 = 8-3 = 5. However, this will not
  22    align the access to 'sa[i+7]'.  */
  23
  24 int main1 (int n)
  25 {
  26   int i;
  27
  28   /* Multiple types with different sizes, used in idependent
  29      copmutations. Vectorizable.  */
  30   for (i = 0; i < n; i++)
  31     {
  32       ia[i+3] = ib[i] + ic[i];
  33       sa[i+7] = sb[i] + sc[i];
  34     }
  35
  36   /* check results:  */
  37   for (i = 0; i < n; i++)
  38     {
  39       if (sa[i+7] != sb[i] + sc[i] || ia[i+3] != ib[i] + ic[i])
  40         abort ();
  41     }
  42
  43   return 0;
  44 }
  45
  46 int main (void)
  47 {
  48   check_vect ();
  49
  50   main1 (N-7);
  51
  52   return 0;
  53 }
  54
  55 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { xfail *-*-* } } } */
  56 /* { dg-final { scan-tree-dump-times "Alignment of access forced using peeling" 1 "vect" { xfail *-*-* } } } */
  57 /* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 4 "vect" { xfail *-*-* } } } */
  58 /* { dg-final { scan-tree-dump-times "not vectorized: unsupported unaligned store" 1 "vect" } } */
  59 /* { dg-final { cleanup-tree-dump "vect" } } */
  60