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Re: abysmal code generated by gcc 3.2
- From: Fergus Henderson <fjh at cs dot mu dot OZ dot AU>
- To: Denys Duchier <Denys dot Duchier at ps dot uni-sb dot de>
- Cc: gcc at gcc dot gnu dot org
- Date: Mon, 21 Oct 2002 14:48:27 +1000
- Subject: Re: abysmal code generated by gcc 3.2
- References: <isk7kcrcpf.fsf@elk.ps.uni-sb.de>
On 21-Oct-2002, Denys Duchier <Denys.Duchier@ps.uni-sb.de> wrote:
> my application is the implementation of a virtual machine for an
> emulated programming language. Switching from gcc 2.95.x to 3.2
> brought a few expected pains due to the change in data layout, but the
> major issue is that gcc 3.2 produces extremely poor code for my
> application on x86 (also on others, but I have not measured those
> personally).
Could you post the source code and the `.i' file (compile with -save-temps)
for the function in question, or for suitable parts of it?
--
Fergus Henderson <fjh@cs.mu.oz.au> | "I have always known that the pursuit
The University of Melbourne | of excellence is a lethal habit"
WWW: <http://www.cs.mu.oz.au/~fjh> | -- the last words of T. S. Garp.