From owner-freebsd-current Mon Feb 11 18:36:37 2002 Delivered-To: freebsd-current@freebsd.org Received: from newman2.bestweb.net (newman2.bestweb.net [209.94.102.67]) by hub.freebsd.org (Postfix) with ESMTP id 844AF37B442; Mon, 11 Feb 2002 18:16:39 -0800 (PST) Received: from okeeffe.bestweb.net (okeefe.bestweb.net [209.94.100.110]) by newman2.bestweb.net (Postfix) with ESMTP id 558A52303D; Mon, 11 Feb 2002 21:16:40 -0500 (EST) Received: by okeeffe.bestweb.net (Postfix, from userid 0) id 43D5D9F27F; Mon, 11 Feb 2002 21:11:46 -0500 (EST) 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: <20020212021146.43D5D9F27F@okeeffe.bestweb.net> 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 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message