gcc/testsuite/gcc.dg/vect/pr64252.c

   1 /* PR target/64252 */
   2 /* Test correctness of size 3 store groups permutation.  */
   3 /* { dg-additional-options "-O3" } */
   4 /* { dg-additional-options "-mavx" { target avx_runtime } } */
   5
   6 #include "tree-vect.h"
   7
   8 #define N 50
   9
  10 enum num3
  11 {
  12   a, b, c
  13 };
  14
  15 struct flags
  16 {
  17   enum num3 f;
  18   unsigned int c;
  19   unsigned int p;
  20 };
  21
  22 struct flagsN
  23 {
  24   struct flags a[N];
  25 };
  26
  27 void
  28 bar (int n, struct flagsN *ff)
  29 {
  30   struct flagsN *fc;
  31   for (fc = ff + 1; fc < (ff + n); fc++)
  32     {
  33       int i;
  34       for (i = 0; i < N; ++i)
  35        {
  36          ff->a[i].f = 0;
  37          ff->a[i].c = i;
  38          ff->a[i].p = -1;
  39        }
  40       for (i = 0; i < n; i++)
  41        {
  42          int j;
  43          for (j = 0; j < N - n; ++j)
  44            {
  45              fc->a[i + j].f = 0;
  46              fc->a[i + j].c = j + i;
  47              fc->a[i + j].p = -1;
  48            }
  49        }
  50     }
  51 }
  52
  53 struct flagsN q[2];
  54
  55 int main()
  56 {
  57   int i;
  58   check_vect ();
  59   bar(2, q);
  60 #pragma GCC novector
  61   for (i = 0; i < N; i++)
  62     if (q[0].a[i].f != 0 || q[0].a[i].c != i || q[0].a[i].p != -1)
  63       abort ();
  64   return 0;
  65 }