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From: Ian Jackson <Ian.Jackson@eu.citrix.com>
To: Doug Goldstein <cardoe@cardoe.com>, Wei Liu <wei.liu2@citrix.com>,
	xen-devel@lists.xen.org,
	Stefano Stabellini <stefano.stabellini@eu.citrix.com>,
	euan.harris@citrix.com
Subject: Re: [PATCH 2/2] tools: detect appropriate debug optimization level
Date: Wed, 30 Mar 2016 17:11:23 +0100	[thread overview]
Message-ID: <22267.64171.834776.30668@mariner.uk.xensource.com> (raw)
In-Reply-To: <22267.63547.372145.368852@mariner.uk.xensource.com>

Ian Jackson writes ("Re: [PATCH 2/2] tools: detect appropriate debug optimization level"):
> My initial reaction is that I any actual problems are bugs either in
> the compiler or in Xen, which should be fixed.
> 
> There should be nothing wrong with lack of inlining or dead code
> elimination.  If you can give an example of structure padding going
> wrong, please do.

Having said that, the reason for specifying -O0 is the use case that
gcc now provides -Og for.  So I see no harm and some benefit in using
-Og if it is supported.

Ian.

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  reply	other threads:[~2016-03-30 16:11 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-03-08  2:23 [PATCH 1/2] libxl: ensure var is inited in libxl__domain_firmware Doug Goldstein
2016-03-08  2:23 ` [PATCH 2/2] tools: detect appropriate debug optimization level Doug Goldstein
2016-03-08 15:38   ` Wei Liu
2016-03-08 16:34     ` Doug Goldstein
2016-03-08 16:50       ` Wei Liu
2016-03-16 19:14         ` Doug Goldstein
2016-03-28 15:01           ` Doug Goldstein
2016-03-29 11:44             ` George Dunlap
2016-03-29 17:21               ` Doug Goldstein
2016-03-30  9:52                 ` George Dunlap
2016-03-30 16:00       ` Ian Jackson
2016-03-30 16:11         ` Ian Jackson [this message]
2016-03-30 16:20         ` Doug Goldstein
2016-03-31  8:24         ` George Dunlap
2016-04-06 14:07   ` Ian Jackson
2016-04-06 14:34     ` George Dunlap
2016-04-06 14:57       ` Ian Jackson
2016-03-08 15:38 ` [PATCH 1/2] libxl: ensure var is inited in libxl__domain_firmware Wei Liu
2016-03-10 15:13   ` Doug Goldstein

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