Single byte Atomic::cmpxchg implementation

Andrew Haley aph at
Thu Sep 11 13:49:13 UTC 2014

On 09/11/2014 02:09 PM, David Holmes wrote:
> On 11/09/2014 8:59 PM, Andrew Haley wrote:
>> On 09/11/2014 11:34 AM, David Holmes wrote:
>>> For things like Atomic::*  the definitions are in platform specific
>>> files so you should be able to use whatever mechanism you want and
>>> require whatever minimal compiler version is needed.
>> But they're not: Atomic::cmpxchg(jbyte seems to be defined in common
>> code.  If it was defined in a platform-specific file there would be no
>> problem for us to discuss in this thread.
> Sorry - yes there is a seemingly arbitrary split between shared and 
> platform-specific variants. It's fine to have generic shared approaches 
> but there really needs to be a way to allow platform specific "overrides".

Mmm.  I understand that object-oriented programming supports that
kind of thing.  :-)


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