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Date: Tue, 29 Sep 2009 17:53:57 +0200
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Subject: Re: [Qemu-devel] Re: [Qemu-commits] [COMMIT a4b18c6] tcg/x86_64:
	generated dec/inc instead of sub/addwhen possible
From: Laurent Desnogues <laurent.desnogues@gmail.com>
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To: Filip Navara <filip.navara@gmail.com>
Cc: Avi Kivity <avi@redhat.com>, Aurelien Jarno <aurelien@aurel32.net>, "qemu-devel@nongnu.org" <qemu-devel@nongnu.org>

On Tue, Sep 29, 2009 at 5:51 PM, Filip Navara <filip.navara@gmail.com> wrote:
>
> I vaguely remember measuring it and the results were different on
> Pentium IV-based and Pentium M-based processors. On one of them
> inc/dec was faster, while on the other it was add/sub. I can't
> remember which one had which results though.

Do you mean in a QEMU context or something else?  If that
was with QEMU, was the program significantly large?


Laurent