/* { 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; | |
} |