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On 04/11/2017 02:05 PM, Andreas Schwab wrote:
On Apr 11 2017, Stefan Liebler <stli@linux.vnet.ibm.com> wrote:It happened in the case of __HAVE_64B_ATOMICS.We shouldn't follow a bad example. Andreas.
Then I'll change the check to: /* ATOMIC_EXCHANGE_USES_CAS is non-zero if atomic_exchange operationsare implemented based on a CAS loop; otherwise, this is zero and we assume
that the atomic_exchange operations could provide better performance than a CAS loop. */ #ifndef ATOMIC_EXCHANGE_USES_CAS # error ATOMIC_EXCHANGE_USES_CAS has to be defined. #endif Bye Stefan
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