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Date: Wed, 11 Nov 2009 08:18:32 +0100
From: Ingo Molnar <mingo@elte.hu>
To: "Ma, Ling" <ling.ma@intel.com>
Cc: "H. Peter Anvin" <hpa@zytor.com>, Ingo Molnar <mingo@redhat.com>,
       Thomas Gleixner <tglx@linutronix.de>,
       linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH RFC] [X86] performance improvement for memcpy_64.S by
 fast string.
Message-ID: <20091111071832.GA3156@elte.hu>
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* Ma, Ling <ling.ma@intel.com> wrote:

> Hi All
> Please use the memcpy.c(cc -o memcpy memcpy.c -O2) to test more cases,
> if you have interest. In this program we did simple modification
> on memcpy_new function.

FYI:

earth4:~/s> cc -o memcpy memcpy.c -O2
memcpy.c: In function 'do_one_throughput':
memcpy.c:45: error: impossible register constraint in 'asm'
memcpy.c:53: error: impossible register constraint in 'asm'
memcpy.c:47: error: impossible register constraint in 'asm'
memcpy.c:53: error: impossible register constraint in 'asm'

	Ingo