Index: /trunk/include/iprt/asmdefs.mac
===================================================================
--- /trunk/include/iprt/asmdefs.mac	(revision 55733)
+++ /trunk/include/iprt/asmdefs.mac	(revision 55734)
@@ -75,4 +75,7 @@
 ; Make the mask for the given bit.
 %define RT_BIT_32(bit)     (1 << bit)
+;;
+; Make the mask for the given bit.
+%define RT_BIT_64(bit)     (1 << bit)
 
 ;;