24 Sep
2009
24 Sep
'09
3:02 p.m.
Colin Fowler <elethiomel(a)gmail.com> writes:
@@ -396,6 +396,88 @@ "beq $1,L0xchg_add\n\t" "mb")
+ +#elif defined(__arm__) + +/* + * Similar to the Sparc, many ARM CPUs lack the necessary + * atomic instructions. Fall back in a similar way, but instead + * use pthreads. This solution is generic enough to work on + * pretty much any CPU, but is still very fast thanks to + * Linux's NPTLS. + */
Actually since it's generic there's no reason to put it in an __arm__ ifdef, it could simply be the default fallback. -- Alexandre Julliard julliard(a)winehq.org