On 13 February 2013 13:26, Johannes Pfau <nos...@example.com> wrote:
> Am Tue, 12 Feb 2013 18:16:31 +0000
> schrieb Iain Buclaw <ibuc...@ubuntu.com>:
>
> > TREE_ADDRESSABLE should be sufficient. I can't think any reason off
> > the top of my head why not.
> >
>
> maybe TREE_ADDRESSABLE is too strong: It generates errors in the
> backend if the frontend produces non-lvalues:
> ---
> auto b = Date();
> a(b);
> ---
>
> works, but
> ---
> a(Date());
> ---
>
> fails in gimplify.c. Do we really have to rewrite such cases so that
> non-PODs get a temporary variable? And how would this be done? It seems
> we would have to use the frontend for this, as maybeMakeTemp and
> makeTemp refuse to work for TREE_ADDRESSABLE types.
>
Don't set it on the variable, set it on the type.
TypeStruct::toCtype()
{
TYPE_ADDRESSABLE(ctype) = !isPOD();
}
--
Iain Buclaw
*(p < e ? p++ : p) = (c & 0x0f) + '0';
