2012-03-27  H.J. Lu  <hongjiu.lu@intel.com>

	* opth-gen.awk: Allocated a bit for Mask and InverseMask if it
	hasn't been allocated.  Define a target macro for Mask and
	InverseMask if it hasn't been defined.  Remove MaskExists
	handling.

	* doc/options.texi: Remove MaskNeeded.

From-SVN: r185882