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Re: WITH_SIZE_EXPR
- From: Richard Henderson <rth at redhat dot com>
- To: Richard Kenner <kenner at vlsi1 dot ultra dot nyu dot edu>
- Cc: gcc at gcc dot gnu dot org
- Date: Tue, 20 Jul 2004 11:35:50 -0700
- Subject: Re: WITH_SIZE_EXPR
- References: <10407201833.AA06095@vlsi1.ultra.nyu.edu>
On Tue, Jul 20, 2004 at 02:33:46PM -0400, Richard Kenner wrote:
> We should be using CALL_EXPR_HAS_RETURN_SLOT_ADDR here.
>
> Are you suggesting that gimplification should do something with it?
No. As I said, we need may_alias results to use it correctly.
Unless you have extra knowledge in the front end, in which case
you should set it there. You'd do this if you *knew* that you
are assigning to a temporary that cannot possibly be seen elsewhere.
r~