blob: 479355eb664f687956393b492996989408df9703 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
|
/* { dg-do compile { target { { i?86-*-* x86_64-*-* } && ia32 } } } */
/* { dg-options "-O2 -fprefetch-loop-arrays -march=athlon -fdump-tree-optimized -fdump-tree-aprefetch --param max-unrolled-insns=1000" } */
char x[100000];
void foo(int n)
{
int i;
for (i = 0; i < n; i++)
x[i] = (char) i;
}
/* There should be 64 MEMs in the unrolled loop and one more in the copy of the loop
for the rest of the iterations. */
/* { dg-final { scan-tree-dump-times "MEM" 65 "optimized" } } */
/* There should be no i_a = i_b assignments. */
/* { dg-final { scan-tree-dump-times "i_.*= i_\[0-9\]*;" 0 "aprefetch" } } */
/* { dg-final { cleanup-tree-dump "optimized" } } */
/* { dg-final { cleanup-tree-dump "aprefetch" } } */
|
