* defaults.h (CAN_ELIMINATE): Provide default.
	* doc/tm.texi (CAN_ELIMINATE): Revise documentation.
	* config/alpha/alpha.h (CAN_ELIMINATE): Delete.
	* config/m32c/m32c.h (CAN_ELIMINATE): Delete.
	* config/spu/spu.h (CAN_ELIMINATE): Delete.
	* config/xtensa/xtensa.h (CAN_ELIMINATE): Delete.
	* config/moxie/moxie.h (CAN_ELIMINATE): Delete.
	* config/cris/cris.h (CAN_ELIMINATE): Delete.
	* config/mn10300/mn10300.h (CAN_ELIMINATE): Delete.
	* config/pa/pa64-linux.h (CAN_ELIMINATE): Delete.
	* config/mmix/mmix.h (CAN_ELIMINATE): Delete.

From-SVN: r148919