I've only tested on ARM and wasn't comfortable enabling it for all other
architectures (although I too see no reason why it wouldn't work).
Colin
Alexandre Julliard wrote:
Colin Fowler <[email protected]> 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.
