Question on aggregates and GIMPLE

Richard Henderson rth@redhat.com
Wed Jun 9 02:28:00 GMT 2004


On Tue, Jun 08, 2004 at 09:38:49PM -0400, Richard Kenner wrote:
>     Given that no one other than you knows what a PLACEHOLDER_EXPR is,
>     it's up to you to figure out where we're missing such things and
>     replicate expr_size and its ilk to work on trees in gimplify.c.
> 
> Sorry, I didn't mean my general comment about how to handle things related
> PLACEHOLDER_EXPR.  Those are trivial: it's just a matter of code calling
> expr_size instead of thinking that it knows how to do it itself, as I see a
> lot of places doing.

BTW, you can't call expr_size, since that generates rtl.  You have to
re-implement what expr_size did on trees alone.


r~



More information about the Gcc mailing list