regmove.c (replace_in_call_usage): Fix warnings.

2001-07-10  Jan van Male  <jan.vanmale@fenk.wau.nl>
	* regmove.c (replace_in_call_usage): Fix warnings.
	* sched-deps.c (add_dependence): Fix warnings.
	* simplify-rtx.c (simplify_subreg): Likewise.
	Return NULL_RTX instead of NULL.

	* reg-stack.c (emit_swap_insn): Eliminate warnings.
	(subst_asm_stack_regs): Likewise.

	* combine.c (num_sign_bit_copies): Cast bitwidth to int to avoid
	warnings.

	* dwarf2out.c (output_call_frame_info): Declare i as int.
	(build_abbrev_table): Declare n_alloc as int.
	(dwarf2out_finish): Initialize die.
	* except.c: Declare sjlj_funcdef_number as unsigned.
	(connect_post_landing_pads): Declare j as unsigned.
	(convert_to_eh_region_ranges): Initialize call_site.
	(output_function_exception_table): Initialize tt_format_size.
	* expr.c (move_by_pieces_1): Initialize to1.
	(store_constructor): Initialize minelt and maxelt.
	* flow.c (mark_regs_live_at_end): Declare i as unsigned.
	* function.c (instantiate_decls): Avoid signed/unsigned warning.

	* c-decl.c (combine_parm_decls): Unused, remove.
	* c-tree.h: Remove prototype for combine_parm_decls.

	* reload.c (push_reload): Fix warning.
	(regno_clobbered_p): Likewise.
	* reload1.c (replace_pseudos_in_call_usage): Likewise.
	(reload_combine): Likewise.

	* bitmap.c: Rename bitmap_zero to bitmap_zero_bits to fix warnings.
	* bitmap.h: Rename bitmap_zero to bitmap_zero_bits to fix
	warnings.
	* bitmap.c (bitmap_operation): Change user.
	* bitmap.h (EXECUTE_IF_AND_COMPL_IN_BITMAP): Likewise.
For cp/:
2001-07-10  Jan van Male  <jan.vanmale@fenk.wau.nl>

	* call.c (build_op_delete_call): Initialize fn.
	(convert_like_real): Delete conditional.
	(joust): Initialize *w and *l.
	* class.c: Add prototype for binfo_ctor_vtable.
	(get_primary_binfo): Initialize result.
	* init.c (build_java_class_ref): Initialize name.

	* typeck.c (unary_complex_lvalue): Do not duplicate the
	argument to modify, pre-, or post-increment when used as an
	lvalue and when the argument has side-effects.

For ch/:
2001-07-10  Jan van Male  <jan.vanmale@fenk.wau.nl>

	* ch-tree.h: Remove prototype for combine_parm_decls, unused
	function.

From-SVN: r43893