/* { dg-do compile } */ /* { dg-options "-O2 -Wstrict-overflow" } */ unsigned int do_scrolling (unsigned int window_size, unsigned int writecost) { unsigned int i = window_size; int terminal_window_p = 0; unsigned int queue = 0; for (i = window_size; i; i--) { if (writecost < i) ++queue; else if (writecost & 1) terminal_window_p = 1; } if (queue > 0) { if (!terminal_window_p) { terminal_window_p = 1; } } if (terminal_window_p) return 100; return 0; }