On Thu, Nov 24, 2016 at 1:38 AM, Christopher Li <sparse@xxxxxxxxxxx> wrote:
> In your patch:
>
> static struct token *builtin_types_compatible_p_expr(struct token *token,
> struct expression **tree)
> {
> struct expression *expr = alloc_expression(
> token->pos, EXPR_COMPARE);
> - expr->flags = Int_const_expr;
> expr->op = SPECIAL_EQUAL;
> token = token->next;
> if (!match_op(token, '('))
>
> I think __builtin_xxx function expand similar to the processor
> macro. In that sense, we might want to the consider this expression
> as integer constant express as if the __builtin_xxx call is either 0 or 1.
Never mind, I think you move it to the evaluation phase.
Chris
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