Skip site navigation (1)Skip section navigation (2)
Date:      Thu, 27 Feb 2003 02:44:53 +1100 (EST)
From:      Bruce Evans <bde@zeta.org.au>
To:        Dag-Erling Smorgrav <des@ofug.org>
Cc:        current@FreeBSD.ORG
Subject:   Re: -O2 considered harmful
Message-ID:  <20030227024358.O15111-100000@gamplex.bde.org>
In-Reply-To: <xzpy943xnhx.fsf@flood.ping.uio.no>

next in thread | previous in thread | raw e-mail | index | archive | help
On Wed, 26 Feb 2003, Dag-Erling Smorgrav wrote:

> It seems that with -O2 on ia32 (-march=k6-2 in my case), gcc will in
> some cases generate short jumps to targets too far away for the offset
> to fit in a single byte.  A surefire way to reproduce this is to build
> Mesa (or XFree86-4-libraries, which includes parts of Mesa).

The assembler generates these.

Bruce


To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-current" in the body of the message




Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20030227024358.O15111-100000>