/* { 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" } } */