From owner-freebsd-current Wed Oct 11 11:47:12 1995 Return-Path: owner-current Received: (from root@localhost) by freefall.freebsd.org (8.6.12/8.6.6) id LAA14797 for current-outgoing; Wed, 11 Oct 1995 11:47:12 -0700 Received: from rocky.sri.MT.net (sri.MT.net [204.94.231.129]) by freefall.freebsd.org (8.6.12/8.6.6) with ESMTP id LAA14792 for ; Wed, 11 Oct 1995 11:47:08 -0700 Received: (from nate@localhost) by rocky.sri.MT.net (8.6.12/8.6.12) id MAA24481; Wed, 11 Oct 1995 12:49:17 -0600 Date: Wed, 11 Oct 1995 12:49:17 -0600 From: Nate Williams Message-Id: <199510111849.MAA24481@rocky.sri.MT.net> To: michael butler Cc: current@freebsd.org Subject: Re: -fno-strength-reduce ? In-Reply-To: <199510111348.XAA23413@asstdc.scgt.oz.au> References: <199510111348.XAA23413@asstdc.scgt.oz.au> Sender: owner-current@freebsd.org Precedence: bulk > If it is a generic "gcc (2.63) is broken with optimisation" problem. Yep. > can/should the kernel be compiled with "-O2 -fno-strength-reduce" or are > there other hidden "gotchas" that break it as well over and above the "-O" > example given ? Nope, it's a problem with all gcc releases since 2.4.5 with -O2 optimization. It wasn't originally going to be fixed in 2.7.1, but given the amount of time since the 2.7.0 release they may get time to fix it. :) Nate