From owner-freebsd-current Thu Feb 7 10:39:44 2002 Delivered-To: freebsd-current@freebsd.org Received: from freebie.xs4all.nl (freebie.xs4all.nl [213.84.32.253]) by hub.freebsd.org (Postfix) with ESMTP id 8BDFD37B41C; Thu, 7 Feb 2002 10:39:37 -0800 (PST) Received: (from wkb@localhost) by freebie.xs4all.nl (8.11.6/8.11.6) id g17Idal19613; Thu, 7 Feb 2002 19:39:36 +0100 (CET) (envelope-from wkb) Date: Thu, 7 Feb 2002 19:39:36 +0100 From: Wilko Bulte To: "David O'Brien" Cc: current@FreeBSD.ORG Subject: Re: How about gcj? (Re: Not committing WARNS settings...) Message-ID: <20020207193936.C19376@freebie.xs4all.nl> References: <20020206192238.B3347@dragon.nuxi.com> <200202070539.g175dbQ22609@aldan.algebra.com> <20020207101133.B53237@dragon.nuxi.com> <20020207192957.B19376@freebie.xs4all.nl> <20020207103541.D53237@dragon.nuxi.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <20020207103541.D53237@dragon.nuxi.com>; from obrien@FreeBSD.ORG on Thu, Feb 07, 2002 at 10:35:41AM -0800 X-OS: FreeBSD 4.5-STABLE X-PGP: finger wilko@freebsd.org Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Thu, Feb 07, 2002 at 10:35:41AM -0800, David O'Brien wrote: > On Thu, Feb 07, 2002 at 07:29:57PM +0100, Wilko Bulte wrote: > > - is GCC3 also better on Alpha as far as correctness of the generated > > code goes? Or is that what you mean by "bad optimised code" ? > > We shall see. OK. 8-) > > - The gcc 2.95 compiler is quite a bit slower (it appears) on Alpha than > > on x86. Do you have any idea how gcc3 does in this respect? > > 3.1 will also be slower on the Alpha. It is really an issue of the code > generator. Generating x86 code on an Alpha is faster than generating > [native] Alpha code. The Alpha code generator is slow. It may be that > all 64 bit or RISC GCC code generation is slow -- we will see soon for > the sparc64. Thanks. So it is the code generator itself, I always thought it would be the optimiser that needs more time to do a decent job on a RISC. -- | / o / /_ _ wilko@FreeBSD.org |/|/ / / /( (_) Bulte Arnhem, the Netherlands To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message