Index: /trunk/include/iprt/asmdefs.mac
===================================================================
--- /trunk/include/iprt/asmdefs.mac	(revision 54712)
+++ /trunk/include/iprt/asmdefs.mac	(revision 54713)
@@ -73,4 +73,8 @@
 
 ;;
+; Make the mask for the given bit.
+%define RT_BIT_32(bit)     (1 << bit)
+
+;;
 ; Makes a 32-bit unsigned (not type safe, but whatever) out of four byte values.
 %define RT_MAKE_U32_FROM_U8(b0, b1, b2, b3) ( (b3 << 24) | (b2 << 16) | (b1 << 8) | b0 )