[ltt-dev] [PATCH] arm: remove useless declarations

Paolo Bonzini pbonzini at redhat.com
Thu Jun 9 10:25:44 EDT 2011

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.


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