From mboxrd@z Thu Jan  1 00:00:00 1970
From: Richard Henderson <rth@redhat.com>
To: "Kaveh R. Ghazi" <ghazi@caip.rutgers.edu>
Cc: gcc@gcc.gnu.org
Subject: Re: Using alloca (or stmt exprs) as a function call argument is bad?
Date: Mon, 17 Sep 2001 15:50:00 -0000
Message-id: <20010917155017.F30386@redhat.com>
References: <200109171831.OAA17524@caip.rutgers.edu>
X-SW-Source: 2001-09/msg00674.html

On Mon, Sep 17, 2001 at 02:31:06PM -0400, Kaveh R. Ghazi wrote:
> And its presumably because alloca is diddling with
> the stack at the same time function parameters are being pushed there?

Yes.

> What about statement expressions?  E.g.
>  > #define foo(X) ({int bar = X; bar*bar+3;})
>  > baz(foo(3), foo(7))
> 
> Does that pose any stack problems on any target?

I don't think so.


r~