* defaults.h (LOAD_EXTEND_OP): Define if not already defined.
	* combine.c (LOAD_EXTEND_OP): Delete.
	(simplify_comparison): Fix comment about LOAD_EXTEND_OP.
	* cse.c (LOAD_EXTEND_OP): Delete.
	* fold-const.c (LOAD_EXTEND_OP): Likewise.
	* fwprop.c (free_load_extend): Remove #ifdef LOAD_EXTEND_OP/#endif.
	* postreload.c (LOAD_EXTEND_OP): Delete.
	* reload.c (push_reload): Remove #ifdef LOAD_EXTEND_OP/#endif.
	Convert conditional compilation based on WORD_REGISTER_OPERATIONS.
	(find_reloads): Likewise.
	* reload1.c (eliminate_regs_1): Likewise.
	* rtlanal.c (nonzero_bits1): Remove #ifdef LOAD_EXTEND_OP/#endif.
	(num_sign_bit_copies1): Likewise.

From-SVN: r241855