From: Thiemo Seufer <ths@networkno.de>
To: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH] Add gcc 4.0 support
Date: Wed, 29 Mar 2006 10:59:47 +0100 [thread overview]
Message-ID: <20060329095947.GE31939@networkno.de> (raw)
In-Reply-To: <F4CBCED7-5B22-4C5F-AC94-7FBCAACC1220@mac.com>
On Tue, Mar 28, 2006 at 08:26:27PM -0800, John Davidorff Pell wrote:
> Out of curiosity, wouldn't it be better to specifically request that
> feature of gcc, with one of its myriad options, rather than forcing a
> rather large optimization sweep? I'm sure that -O2 is good generally,
> but using it as a kludge to get at one of the many things that it
> enables seems like a not-so-great-idea. Its like buying a restaurant
> so that you can get a chef's stove.
Well, I went through the ppc disassembly and found no reason to
disable -O2. Note that it was the default before, I only noticed
the breakage when I lowered the global optimisation to -O0 for better
debugging.
Thiemo
next prev parent reply other threads:[~2006-03-29 10:00 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-02-15 12:25 [Qemu-devel] [PATCH] Add gcc 4.0 support Thiemo Seufer
2006-02-15 16:20 ` Johannes Schindelin
2006-02-15 19:10 ` Thiemo Seufer
2006-02-15 22:04 ` Johannes Schindelin
2006-03-28 14:09 ` Thiemo Seufer
2006-03-29 4:26 ` John Davidorff Pell
2006-03-29 9:59 ` Thiemo Seufer [this message]
2006-03-29 17:03 ` John Davidorff Pell
2006-03-29 19:24 ` Pascal Terjan
2006-03-29 19:37 ` sofar
2006-03-29 21:21 ` [Off Topic again] " Jim C. Brown
2006-03-29 21:03 ` [Off Topic] " Jim C. Brown
2006-03-29 19:33 ` Paul Brook
2006-03-31 23:18 ` John Davidorff Pell
2006-04-03 15:42 ` Dirk Behme
2006-04-03 15:50 ` Jim C. Brown
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