From mboxrd@z Thu Jan  1 00:00:00 1970
From: pbonzini@redhat.com (Paolo Bonzini)
Date: Thu, 09 Jun 2011 16:25:44 +0200
Subject: [ltt-dev] [PATCH] arm: remove useless declarations
In-Reply-To: <BLU0-SMTP84C8B5894BECC3A6D9BB7C96650@phx.gbl>
References: <1307627865-31969-4-git-send-email-pbonzini@redhat.com>
	<BLU0-SMTP84C8B5894BECC3A6D9BB7C96650@phx.gbl>
Message-ID: <4DF0D7E8.106@redhat.com>

On 06/09/2011 04:21 PM, Mathieu Desnoyers wrote:
> I'd first like to understand why Paul chose to override the generic
> versions of these macros. There is a change in what you map to:
>
> __sync_val_compare_and_swap ->  __sync_val_compare_and_swap_1/2/4/8
>
> __sync_add_and_fetch ->  __sync_add_and_fetch_1/2/4/8
>
> Were there any problems with the _N variants on some ARM compilers ?

The non-"_N" variants do not exist outside the back-end (they are mapped 
to the "_N" variants by target-independent parts of the compiler), but I 
agree that Paul's ack is good to have.

Paolo