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

1 files changed, 5 insertions, 3 deletions

diff --git a/gcc/sched-deps.c b/gcc/sched-deps.c
index d303e7a86df..f7439344546 100644
--- a/gcc/sched-deps.c
+++ b/gcc/sched-deps.c
@@ -1,7 +1,7 @@
 /* Instruction scheduling pass.  This file computes dependencies between
    instructions.
    Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998,
-   1999, 2000 Free Software Foundation, Inc.
+   1999, 2000, 2001 Free Software Foundation, Inc.
    Contributed by Michael Tiemann (tiemann@cygnus.com) Enhanced by,
    and currently maintained by, Jim Wilson (wilson@cygnus.com)
 
@@ -197,7 +197,6 @@ add_dependence (insn, elem, dep_type)
 {
   rtx link, next;
   int present_p;
-  enum reg_note present_dep_type;
   rtx cond1, cond2;
 
   /* Don't depend an insn on itself.  */
@@ -271,10 +270,13 @@ add_dependence (insn, elem, dep_type)
      dramatically for some code.  */
   if (true_dependency_cache != NULL)
     {
+      enum reg_note present_dep_type = 0;
+
       if (anti_dependency_cache == NULL || output_dependency_cache == NULL)
 	abort ();
       if (TEST_BIT (true_dependency_cache[INSN_LUID (insn)], INSN_LUID (elem)))
-	present_dep_type = 0;
+	/* Do nothing (present_set_type is already 0).  */
+	;
       else if (TEST_BIT (anti_dependency_cache[INSN_LUID (insn)],
 			 INSN_LUID (elem)))
 	present_dep_type = REG_DEP_ANTI;