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