get_bit_info
info = get_bit_info(arg);
struct bit_info *get_bit_info(struct expression *expr);
return binfo_AND(get_bit_info(expr->left),
get_bit_info(expr->right));
return binfo_OR(get_bit_info(expr->left),
get_bit_info(expr->right));
binfo = get_bit_info(expr->right);
start = get_bit_info(expr->left);
start = get_bit_info(expr->left);
orig = get_bit_info(expr->left);
binfo = get_bit_info(arg);
bit_info = get_bit_info(mask);