Re: [boost] ARM help needed

From: Peter Dimov (pdimov_at_[hidden])
Date: 2008-04-09 18:43:15

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

?

>            "r"( 1 ), "r"( &v_ ): // inputs
>            "memory", "cc" );
> 
>        return r == 0;
>    }