From mboxrd@z Thu Jan 1 00:00:00 1970 From: "H. Peter Anvin" Subject: Re: fyi: gcc33-hammer crashes when compiling kvm emulate.c Date: Tue, 26 Oct 2010 13:37:27 -0700 Message-ID: <4CC73C07.3030704@zytor.com> References: <20101026123828.GA30434@basil.fritz.box> <4CC70333.80400@zytor.com> <20101026163748.GB29961@basil.fritz.box> <4CC705ED.1020105@zytor.com> <20101026170142.GD29961@basil.fritz.box> <4CC71B94.2010802@zytor.com> <20101026202734.GB2603@basil.fritz.box> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: kvm@vger.kernel.org, avi@redhat.com, linux-kernel@vger.kernel.org To: Andi Kleen Return-path: In-Reply-To: <20101026202734.GB2603@basil.fritz.box> Sender: linux-kernel-owner@vger.kernel.org List-Id: kvm.vger.kernel.org On 10/26/2010 01:27 PM, Andi Kleen wrote: >> That is an issue too, as 3.x does a lot fewer optimizations than 4.x. > > Well to be fair the default -Os build disables most of the fancy stuff > (and the resulting code is often terrible) > > I guess it doesn't matter too much, at least not with the > CONFIG_CC_OPTIMIZE_SIZE default. > Yes, it would be nice to have a setting which is "optimize but don't bloat excessively." -hpa