void
genrtl_if_stmt (tree t)
{
tree cond;
genrtl_do_pushlevel ();
cond = expand_cond (IF_COND (t));
emit_line_note (input_location);
expand_start_cond (cond, 0);
if (THEN_CLAUSE (t))
{
tree nextt = THEN_CLAUSE (t);
if (cond && integer_zerop (cond))
nextt = expand_unreachable_stmt (nextt, warn_notreached);
expand_stmt (nextt);
}
if (ELSE_CLAUSE (t))
{
tree nextt = ELSE_CLAUSE (t);
expand_start_else ();
if (cond && integer_nonzerop (cond))
nextt = expand_unreachable_stmt (nextt, warn_notreached);
expand_stmt (nextt);
}
expand_end_cond ();
}
void
tree_code_if_start (tree exp, unsigned char* filename, int lineno)
{
tree cond_exp;
cond_exp = build (NE_EXPR,
TREE_TYPE (exp),
exp,
build1 (CONVERT_EXPR, TREE_TYPE (exp), integer_zero_node));
emit_line_note ((const char *)filename, lineno); /* Output the line number information. */
expand_start_cond (cond_exp, /* Exit-able if nonzero. */ 0);
}
