$OpenBSD: patch-js_src_jslock_cpp,v 1.3 2011/03/26 10:58:36 landry Exp $
Fix for infinite loop in js binary during build
cf pkgsrc/devel/xulrunner/patches/patch-bb
http://lists.freebsd.org/pipermail/freebsd-gecko/2010-January/000640.html
https://bugzilla.mozilla.org/show_bug.cgi?id=550271
--- js/src/jslock.cpp.orig	Sat Apr 24 16:47:57 2010
+++ js/src/jslock.cpp	Sat Apr 24 16:52:44 2010
@@ -161,7 +161,11 @@ NativeCompareAndSwap(jsword *w, jsword ov, jsword nv)
 
     __asm__ __volatile__ (
                   "stbar\n"
+#if defined (__sparc64__)
+                  "casx [%1],%2,%3\n"
+#else
                   "cas [%1],%2,%3\n"
+#endif
                   "cmp %2,%3\n"
                   "be,a 1f\n"
                   "mov 1,%0\n"