From mboxrd@z Thu Jan  1 00:00:00 1970
From: Albert ARIBAUD <albert.u.boot@aribaud.net>
Date: Fri, 12 Aug 2011 10:49:48 +0200
Subject: [U-Boot] [PATCH] arm: lib: memcpy: Do not copy to same address
In-Reply-To: <1306141610-24117-1-git-send-email-weisserm@arcor.de>
References: <1306141610-24117-1-git-send-email-weisserm@arcor.de>
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On 23/05/2011 11:06, Matthias Weisser wrote:
> In some cases (e.g. bootm with a elf payload which is already at the right
> position) there is a in place copy of data to the same address. Catching this
> saves some ms while booting.
>
> Signed-off-by: Matthias Weisser<weisserm@arcor.de>
> ---
>   arch/arm/lib/memcpy.S |    3 +++
>   1 files changed, 3 insertions(+), 0 deletions(-)
>
> diff --git a/arch/arm/lib/memcpy.S b/arch/arm/lib/memcpy.S
> index 3b5aeec..f655256 100644
> --- a/arch/arm/lib/memcpy.S
> +++ b/arch/arm/lib/memcpy.S
> @@ -60,6 +60,9 @@
>   .globl memcpy
>   memcpy:
>
> +		cmp	r0, r1
> +		moveq	pc, lr
> +
>   		enter	r4, lr
>
>   		subs	r2, r2, #4

Applied to u-boot-arm/master, thanks.

Amicalement,
-- 
Albert.