Date: Tue, 4 Feb 1997 13:07:41 +0200 (IST)
From: Eli Zaretskii <eliz AT is DOT elta DOT co DOT il>
To: George Foot <mert0407 AT sable DOT ox DOT ac DOT uk>
cc: djgpp AT delorie DOT com
Subject: Re: Using Pointers ?
In-Reply-To: <32f6cfe0.53398230@news.ox.ac.uk>
Message-ID: <Pine.SUN.3.91.970204130633.29580B-100000@is>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII


On Tue, 4 Feb 1997, George Foot wrote:

> ...which brings up another point: won't the first two functions also
> compile to this? i.e. won't gcc either (a) remember the memory
> locations it's using or (b) temporarily registerise them without being
> told?

Add -S (Capital S!) to the gcc switches and examine the .s file it 
produces.  You will see the effect of every optimization-related switch 
that you use.