gcc/testsuite/gcc.dg/vect/vect-multitypes-3.c

   1 /* { dg-require-effective-target vect_int } */
   2 /* { dg-add-options double_vectors } */
   3
   4 #include <stdarg.h>
   5 #include "tree-vect.h"
   6
   7 #if VECTOR_BITS > 128
   8 #define N (VECTOR_BITS * 2 / 8)
   9 #else
  10 #define N 32
  11 #endif
  12
  13 int ib[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) =
  14         {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};
  15 short sb[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) =
  16         {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};
  17 char cb[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) =
  18         {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};
  19
  20 __attribute__ ((noinline))
  21 int main1 (int n, int * __restrict__ pib,
  22            short * __restrict__ psb,
  23            char * __restrict__ pcb)
  24 {
  25   int i;
  26   int ia[N];
  27   short sa[N];
  28   char ca[N];
  29
  30   /* Multiple types with different sizes, used in independent
  31      computations. Vectorizable. The loads are misaligned.  */
  32   for (i = 0; i < n; i++)
  33     {
  34       ia[i] = pib[i];
  35       sa[i] = psb[i];
  36       ca[i] = pcb[i];
  37     }
  38
  39   /* check results:  */
  40   for (i = 0; i < n; i++)
  41     {
  42       if (ia[i] != pib[i]
  43           || sa[i] != psb[i]
  44           || ca[i] != pcb[i])
  45         abort ();
  46     }
  47
  48   return 0;
  49 }
  50
  51 int main (void)
  52 {
  53   check_vect ();
  54
  55   main1 (N, ib, sb, cb);
  56   main1 (N-3, ib, sb, &cb[2]);
  57   return 0;
  58 }
  59
  60 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */
  61 /* { dg-final { scan-tree-dump-times "Alignment of access forced using versioning" 3 "vect" { target { vect_no_align && { ! vect_hw_misalign } } } } } */
  62 /* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 3 "vect" { xfail { ! { vect_unaligned_possible && vect_align_stack_vars } } } } } */
  63