gcc/testsuite/gcc.dg/vect/pr56826.c

   1 #include "tree-vect.h"
   2
   3 extern void abort (void);
   4
   5 typedef struct {
   6     int a[3];
   7     int num;
   8 } t1;
   9 t1 B[100];
  10 int A[300];
  11
  12 void __attribute__((noinline,noclone))
  13 bar (int *A, t1 *B, int n)
  14 {
  15   int i;
  16   int *a = A;
  17   for (i=0; i<n; i++, a+=3)
  18     {
  19       a[0] = B[i].a[0];
  20       a[1] = B[i].a[1];
  21       a[2] = B[i].a[2];
  22     }
  23 }
  24
  25 int main()
  26 {
  27   int i;
  28   check_vect ();
  29   for (i=0; i<100; i++)
  30     {
  31       B[i].num = i;
  32       B[i].a[0] = i * 3;
  33       B[i].a[1] = i * 3 + 1;
  34       B[i].a[2] = i * 3 + 2;
  35       __asm__ volatile ("");
  36     }
  37   bar (&A[0], &B[0], 100);
  38   for (i=0; i<300; i++)
  39     if (A[i] != i)
  40       abort ();
  41   return 0;
  42 }
  43