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From: pbonzini@redhat.com (Paolo Bonzini)
Subject: [ltt-dev] [PATCH] arm: remove useless declarations
Date: Thu, 09 Jun 2011 16:25:44 +0200	[thread overview]
Message-ID: <4DF0D7E8.106@redhat.com> (raw)
In-Reply-To: <BLU0-SMTP84C8B5894BECC3A6D9BB7C96650@phx.gbl>

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




  parent reply	other threads:[~2011-06-09 14:25 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-06-09 13:57 Paolo Bonzini
2011-06-09 14:21 ` Mathieu Desnoyers
     [not found] ` <BLU0-SMTP84C8B5894BECC3A6D9BB7C96650@phx.gbl>
2011-06-09 14:25   ` Paolo Bonzini [this message]
2011-06-09 16:43     ` Paul E. McKenney
2011-06-09 16:50       ` Mathieu Desnoyers
     [not found]       ` <BLU0-SMTP515252C09A7991113F85D96650@phx.gbl>
2011-06-09 17:17         ` Paul E. McKenney

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