1 /* The loop rolls too little, hence the prefetching would not be useful. */ 2 3 /* { dg-do compile { target { i?86-*-* x86_64-*-* } } } */ 4 /* { dg-options "-O2 -fprefetch-loop-arrays -march=amdfam10 -fdump-tree-optimized" } */ 5 6 int xxx[20]; 7 foo(int n)8void foo (int n) 9 { 10 int i; 11 12 for (i = 0; i < n; i++) 13 xxx[i] = i; 14 } 15 16 /* { dg-final { scan-tree-dump-times "prefetch" 0 "optimized" } } */ 17