gcc/testsuite/gcc.dg/vect/slp-multitypes-11-big-array.c

   1 /* { dg-require-effective-target vect_int } */
   2
   3 #include <stdarg.h>
   4 #include "tree-vect.h"
   5
   6 #define N 144
   7
   8 struct s
   9 {
  10   int a;
  11   int b;
  12   int c;
  13 };
  14
  15 char in[N*3];
  16
  17 __attribute__ ((noinline)) int
  18 main1 ()
  19 {
  20   int i;
  21   struct s out[N];
  22
  23   for (i = 0; i < N; i++)
  24     {
  25       in[i] = i&127;
  26       asm volatile ("" ::: "memory");
  27     }
  28
  29   for (i = 0; i < N; i++)
  30     {
  31       out[i].a = (int) in[i*3] + 1;
  32       out[i].b = (int) in[i*3 + 1] + 2;
  33       out[i].c = (int) in[i*3 + 2] + 3;
  34     }
  35
  36   /* check results:  */
  37   for (i = 0; i < N; i++)
  38     {
  39       if (out[i].a !=  (int) in[i*3] + 1
  40          || out[i].b != (int) in[i*3 + 1] + 2
  41          || out[i].c != (int) in[i*3 + 2] + 3)
  42         abort ();
  43     }
  44
  45   return 0;
  46 }
  47
  48 int main (void)
  49 {
  50   check_vect ();
  51
  52   main1 ();
  53
  54   return 0;
  55 }
  56
  57 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect"  { target vect_unpack } } } */
  58 /* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 1 "vect"  { target vect_unpack xfail { vect_variable_length && vect_load_lanes } } } } */
  59