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From: "H. Peter Anvin" <hpa@zytor.com>
To: Andi Kleen <andi@firstfloor.org>
Cc: kvm@vger.kernel.org, avi@redhat.com, linux-kernel@vger.kernel.org
Subject: Re: fyi: gcc33-hammer crashes when compiling kvm emulate.c
Date: Tue, 26 Oct 2010 13:37:27 -0700	[thread overview]
Message-ID: <4CC73C07.3030704@zytor.com> (raw)
In-Reply-To: <20101026202734.GB2603@basil.fritz.box>

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

  reply	other threads:[~2010-10-26 20:37 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-10-26 12:38 fyi: gcc33-hammer crashes when compiling kvm emulate.c Andi Kleen
2010-10-26 16:34 ` H. Peter Anvin
2010-10-26 16:37   ` Andi Kleen
2010-10-26 16:46     ` H. Peter Anvin
2010-10-26 17:01       ` Andi Kleen
2010-10-26 18:19         ` H. Peter Anvin
2010-10-26 20:27           ` Andi Kleen
2010-10-26 20:37             ` H. Peter Anvin [this message]
2010-10-27 10:50               ` Avi Kivity
2010-10-27 17:00                 ` Andi Kleen

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