From owner-freebsd-current Tue Apr 6 0:39:31 1999 Delivered-To: freebsd-current@freebsd.org Received: from isbalham.ist.co.uk (isbalham.ist.co.uk [192.31.26.1]) by hub.freebsd.org (Postfix) with ESMTP id 4AE861556C for ; Tue, 6 Apr 1999 00:39:28 -0700 (PDT) (envelope-from rb@gid.co.uk) Received: from gid.co.uk (uucp@localhost) by isbalham.ist.co.uk (8.8.7/8.8.7) with UUCP id IAA19851; Tue, 6 Apr 1999 08:37:27 +0100 (BST) (envelope-from rb@gid.co.uk) Received: from [194.32.164.2] by seagoon.gid.co.uk; Tue, 6 Apr 1999 08:30:15 +0100 (BST) X-Sender: rb@194.32.164.1 Message-Id: In-Reply-To: References: <199904060525.WAA04269@apollo.backplane.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Date: Tue, 6 Apr 1999 08:30:13 +0000 To: Daniel Berlin From: Bob Bishop Subject: Re: EGCS optimizations Cc: Matthew Dillon , Alex Zepeda , current@FreeBSD.ORG Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG Hi, At 2:15 am -0700 6/4/99, Daniel Berlin wrote: > >Also, -mpentiumpro will actually usually generate WORSE code for a pentium >pro. >-mpentium and -march=pentium do better at it. OK, but according to man cc: >NAME > gcc, g++ - GNU project C and C++ Compiler (egcs-1.1.2) [...] > -mpentium > Synonym for -mcpu=pentium [...] > Specifying -march=cpu > type implies -mcpu=cpu type. If this is right, then -mpentium is redundant in the presence of -march=pentium. -- Bob Bishop (0118) 977 4017 international code +44 118 rb@gid.co.uk fax (0118) 989 4254 between 0800 and 1800 UK To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message