From owner-freebsd-current Sun Apr 4 22:15:17 1999 Delivered-To: freebsd-current@freebsd.org Received: from rover.village.org (rover.village.org [204.144.255.49]) by hub.freebsd.org (Postfix) with ESMTP id 5EFA515346 for ; Sun, 4 Apr 1999 22:15:05 -0700 (PDT) (envelope-from imp@harmony.village.org) Received: from harmony.village.org (harmony.village.org [10.0.0.6]) by rover.village.org (8.9.3/8.9.3) with ESMTP id XAA09708 for ; Sun, 4 Apr 1999 23:13:13 -0600 (MDT) (envelope-from imp@harmony.village.org) Received: from harmony.village.org (localhost.village.org [127.0.0.1]) by harmony.village.org (8.9.3/8.8.3) with ESMTP id XAA69299 for ; Sun, 4 Apr 1999 23:13:49 -0600 (MDT) Message-Id: <199904050513.XAA69299@harmony.village.org> To: current@freebsd.org Subject: Boot blocks Date: Sun, 04 Apr 1999 23:13:49 -0600 From: Warner Losh Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG Just wanted to let people know that the unmodified boot blocks have 144 bytes free if you compile them -Os and -16 free if you compile them -O2. -fno-exceptions didn't seem to impact things at all, nor did -fno-sjlj-exceptions. At least in terms of size. So it looks like the right fix for the boot blocks is to use -Os rather than -O2. This will make them slightly slower, but no body[*] is going to be able to convince me that they can measure the difference. Warner [*] With the possible exception of Bruce. :-) To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message