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.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@43893 138bc75d-0d04-0410-961f-82ee72b054a4

3 files changed, 7 insertions, 6 deletions

diff --git a/gcc/cp/call.c b/gcc/cp/call.c
index e7b6bbd824b..7cfbd96f8cf 100644
--- a/gcc/cp/call.c
+++ b/gcc/cp/call.c
@@ -3555,7 +3555,8 @@ build_op_delete_call (code, addr, size, flags, placement)
      tree addr, size, placement;
      int flags;
 {
-  tree fn, fns, fnname, fntype, argtypes, args, type;
+  tree fn = NULL_TREE;
+  tree fns, fnname, fntype, argtypes, args, type;
   int pass;
 
   if (addr == error_mark_node)
@@ -3871,8 +3872,7 @@ convert_like_real (convs, expr, fn, argnum, inner)
       /* Copy-initialization where the cv-unqualified version of the source
 	 type is the same class as, or a derived class of, the class of the
 	 destination [is treated as direct-initialization].  [dcl.init] */
-      if (fn)
-	savew = warningcount, savee = errorcount;
+      savew = warningcount, savee = errorcount;
       expr = build_new_method_call (NULL_TREE, complete_ctor_identifier,
 				    build_tree_list (NULL_TREE, expr),
 				    TYPE_BINFO (totype),
@@ -5425,7 +5425,7 @@ tweak:
   if (!pedantic)
     {
       int rank1 = IDENTITY_RANK, rank2 = IDENTITY_RANK;
-      struct z_candidate *w, *l;
+      struct z_candidate *w = 0, *l = 0;
 
       for (i = 0; i < len; ++i)
 	{
diff --git a/gcc/cp/class.c b/gcc/cp/class.c
index 013b3ba7576..fac4a3891a9 100644
--- a/gcc/cp/class.c
+++ b/gcc/cp/class.c
@@ -202,6 +202,7 @@ static void update_vtable_entry_for_fn PARAMS ((tree, tree, tree, tree *));
 static tree copy_virtuals PARAMS ((tree));
 static void build_ctor_vtbl_group PARAMS ((tree, tree));
 static void build_vtt PARAMS ((tree));
+static tree binfo_ctor_vtable PARAMS ((tree));
 static tree *build_vtt_inits PARAMS ((tree, tree, tree *, tree *));
 static tree dfs_build_secondary_vptr_vtt_inits PARAMS ((tree, void *));
 static tree dfs_ctor_vtable_bases_queue_p PARAMS ((tree, void *data));
@@ -6796,7 +6797,7 @@ get_primary_binfo (binfo)
      tree binfo;
 {
   tree primary_base;
-  tree result;
+  tree result = NULL_TREE;
   tree virtuals;
   
   primary_base = CLASSTYPE_PRIMARY_BINFO (BINFO_TYPE (binfo));
diff --git a/gcc/cp/init.c b/gcc/cp/init.c
index 6bce1937652..d2b2b05f887 100644
--- a/gcc/cp/init.c
+++ b/gcc/cp/init.c
@@ -2200,7 +2200,7 @@ tree
 build_java_class_ref (type)
      tree type;
 {
-  tree name, class_decl;
+  tree name = NULL_TREE, class_decl;
   static tree CL_suffix = NULL_TREE;
   if (CL_suffix == NULL_TREE)
     CL_suffix = get_identifier("class$");