Re: [boost] ARM help needed

From: Peter Dimov (pdimov_at_[hidden])
Date: 2008-04-09 19:27:36

Rene Rivera:
> Peter Dimov wrote:
>> What happens when you change...
>>
>>>    bool try_lock()
>>>    {
>>>        int r;
>>>
>>>        __asm__ __volatile__(
>>>            "swp %0, %1, [%2]":
>>>            "=r"( r ): // outputs
>>
>> ... this line to
>>
>>              "=&r"( r ): // outputs
>
> Bingo!

Thanks, fixed in SVN. Apparently, the swp instruction doesn't like being 
given the same register twice. Does spinlock_try_test.cpp pass as well?