gcc/testsuite/gcc.dg/vect/vect-multitypes-6.c

   1 /* Disabling epilogues until we find a better way to deal with scans.  */
   2 /* { dg-additional-options "--param vect-epilogues-nomask=0" } */
   3 /* { dg-require-effective-target vect_int } */
   4 /* { dg-require-effective-target vect_char_add } */
   5 /* { dg-add-options double_vectors } */
   6
   7 #include <stdarg.h>
   8 #include "tree-vect.h"
   9
  10 #if VECTOR_BITS > 128
  11 #define N (VECTOR_BITS * 2 / 8)
  12 #else
  13 #define N 32
  14 #endif
  15
  16 unsigned int ic[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 int ib[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 unsigned short sc[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) =
  21         {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};
  22 unsigned short sb[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) =
  23         {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};
  24 unsigned char cc[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) =
  25         {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};
  26 unsigned char cb[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) =
  27         {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};
  28
  29 __attribute__ ((noinline))
  30 int main1 (int n,
  31            unsigned int * __restrict__ pic, unsigned int * __restrict__ pib,
  32            unsigned short * __restrict__ psc, unsigned short * __restrict__ psb,
  33            unsigned char * __restrict__ pcc, unsigned char * __restrict__ pcb)
  34 {
  35   int i;
  36   unsigned int ia[N];
  37   unsigned short sa[N];
  38   unsigned char ca[N];
  39
  40   /* Multiple types with different sizes, used in independent
  41      computations. Vectorizable. The loads are misaligned.  */
  42   for (i = 0; i < n; i++)
  43     {
  44       ia[i] = pib[i] + pic[i];
  45       sa[i] = psb[i] + psc[i];
  46       ca[i] = pcb[i] + pcc[i];
  47     }
  48
  49   /* check results:  */
  50 #pragma GCC novector
  51   for (i = 0; i < n; i++)
  52     {
  53       if (ia[i] != pib[i] + pic[i]
  54           || sa[i] != psb[i] + psc[i]
  55           || ca[i] != pcb[i] + pcc[i])
  56         abort ();
  57     }
  58
  59   return 0;
  60 }
  61
  62 int main (void)
  63 {
  64   check_vect ();
  65
  66   main1 (N, ic, ib, sc, sb, cc, cb);
  67   main1 (N-3, ic, ib, &sc[1], sb, cc, &cb[2]);
  68   return 0;
  69 }
  70
  71 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */
  72 /* { dg-final { scan-tree-dump-times "Alignment of access forced using versioning" 6 "vect" { target { vect_no_align && { ! vect_hw_misalign } } } } } */
  73 /* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 6 "vect" { xfail { ! { vect_unaligned_possible && vect_align_stack_vars } } } } } */
  74