gcc/testsuite/gcc.dg/vect/vect-multitypes-6.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 unsigned int ic[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) =
   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 unsigned int ib[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) =
  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 unsigned short sc[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) =
  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 unsigned short sb[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) =
  15         {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};
  16 unsigned char cc[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) =
  17         {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};
  18 unsigned char cb[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) =
  19         {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};
  20
  21 __attribute__ ((noinline))
  22 int main1 (int n,
  23            unsigned int * __restrict__ pic, unsigned int * __restrict__ pib,
  24            unsigned short * __restrict__ psc, unsigned short * __restrict__ psb,
  25            unsigned char * __restrict__ pcc, unsigned char * __restrict__ pcb)
  26 {
  27   int i;
  28   unsigned int ia[N];
  29   unsigned short sa[N];
  30   unsigned char ca[N];
  31
  32   /* Multiple types with different sizes, used in independent
  33      computations. Vectorizable. The loads are misaligned.  */
  34   for (i = 0; i < n; i++)
  35     {
  36       ia[i] = pib[i] + pic[i];
  37       sa[i] = psb[i] + psc[i];
  38       ca[i] = pcb[i] + pcc[i];
  39     }
  40
  41   /* check results:  */
  42   for (i = 0; i < n; i++)
  43     {
  44       if (ia[i] != pib[i] + pic[i]
  45           || sa[i] != psb[i] + psc[i]
  46           || ca[i] != pcb[i] + pcc[i])
  47         abort ();
  48     }
  49
  50   return 0;
  51 }
  52
  53 int main (void)
  54 {
  55   check_vect ();
  56
  57   main1 (N, ic, ib, sc, sb, cc, cb);
  58   main1 (N-3, ic, ib, &sc[1], sb, cc, &cb[2]);
  59   return 0;
  60 }
  61
  62 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */
  63 /*  { dg-final { scan-tree-dump-times "Alignment of access forced using versioning" 6 "vect" { target vect_no_align } } } */
  64 /* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 6 "vect" {xfail vect_no_align } } } */
  65 /* { dg-final { cleanup-tree-dump "vect" } } */
  66