1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
|
/* PR rtl-optimization/39794 */
/* { dg-do run } */
/* { dg-options "-O2 -funroll-loops" } */
extern void abort ();
void
foo (int *a, int n)
{
int i;
for (i = 0; i < n; i++)
{
a[i] *= 2;
a[i + 1] = a[i - 1] + a[i - 2];
}
}
int a[16];
int ref[16] = { 0, 1, 4, 2, 10, 12, 24, 44,
72, 136, 232, 416, 736, 1296, 2304, 2032 };
int
main ()
{
int i;
for (i = 0; i < 16; i++)
a[i] = i;
foo (a + 2, 16 - 3);
for (i = 0; i < 16; i++)
if (ref[i] != a[i])
abort ();
return 0;
}
|
