passes.c (rest_of_handle_null_pointer): Remove.

	* passes.c (rest_of_handle_null_pointer): Remove.
	(rest_of_handle_cse): Don't call rest_of_handle_null_pointer.
	(rest_of_compilation): Likewise.
	* rtl.h (delete_null_pointer_checks): Remove prototype.
	* gcse.c (rd_kill, rd_gen, reaching_defs, rd_out, ae_in, ae_out):
	Remove declarations.
	(get_bitmap_width, alloc_rd_mem, free_rd_mem, handle_rd_kill_set,
	compute_kill_rd, compute_rd, alloc_avail_expr_mem,
	free_avail_expr_mem, compute_ae_gen, expr_killed_p, compute_ae_kill,
	expr_reaches_here_p, computing_insn, def_reaches_here_p,
	can_disregard_other_sets, handle_avail_expr, classic_gcse,
	one_classic_gcse_pass, invalidate_nonnull_info,
	delete_null_pointer_checks_1, delete_null_pointer_checks,
	expr_reached_here_p_work): Remove.
	(gcse_main): Do not perform classic GCSE when optimizing for size.
	(alloc_pre_mem, free_pre_mem): Don't touch ae_in and ae_out, they
	are never used.

From-SVN: r81849

gcc/ChangeLog

+2004-05-14  Steven Bosscher  <stevenb@suse.de>
+
+	* passes.c (rest_of_handle_null_pointer): Remove.
+	(rest_of_handle_cse): Don't call rest_of_handle_null_pointer.
+	(rest_of_compilation): Likewise.
+	* rtl.h (delete_null_pointer_checks): Remove prototype.
+	* gcse.c (rd_kill, rd_gen, reaching_defs, rd_out, ae_in, ae_out):
+	Remove declarations.
+	(get_bitmap_width, alloc_rd_mem, free_rd_mem, handle_rd_kill_set,
+	compute_kill_rd, compute_rd, alloc_avail_expr_mem,
+	free_avail_expr_mem, compute_ae_gen, expr_killed_p, compute_ae_kill,
+	expr_reaches_here_p, computing_insn, def_reaches_here_p,
+	can_disregard_other_sets, handle_avail_expr, classic_gcse,
+	one_classic_gcse_pass, invalidate_nonnull_info,
+	delete_null_pointer_checks_1, delete_null_pointer_checks,
+	expr_reached_here_p_work): Remove.
+	(gcse_main): Do not perform classic GCSE when optimizing for size.
+	(alloc_pre_mem, free_pre_mem): Don't touch ae_in and ae_out, they
+	are never used.
+
 2004-05-14  Andrew Pinski  <pinskia@physics.uc.edu>
 
 	PR optimization/14466

gcc/passes.c

@@ -1004,20 +1004,6 @@ rest_of_handle_jump_bypass (tree decl, rtx insns)
 #endif
 }
 
-/* Try to identify useless null pointer tests and delete them.  */
-static void
-rest_of_handle_null_pointer (tree decl, rtx insns)
-{
-  open_dump_file (DFI_null, decl);
-  if (dump_file)
-    dump_flow_info (dump_file);
-
-  if (delete_null_pointer_checks (insns))
-    cleanup_cfg (CLEANUP_EXPENSIVE | CLEANUP_PRE_LOOP);
-
-  close_dump_file (DFI_null, print_rtl_with_bb, insns);
-}
-
 /* Try combining insns through substitution.  */
 static void
 rest_of_handle_combine (tree decl, rtx insns)
@@ -1120,19 +1106,6 @@ rest_of_handle_cse (tree decl, rtx insns)
 
   if (tem || optimize > 1)
     cleanup_cfg (CLEANUP_EXPENSIVE | CLEANUP_PRE_LOOP);
-  /* Try to identify useless null pointer tests and delete them.  */
-  if (flag_delete_null_pointer_checks)
-    {
-      timevar_push (TV_JUMP);
-
-      if (delete_null_pointer_checks (insns))
-	cleanup_cfg (CLEANUP_EXPENSIVE | CLEANUP_PRE_LOOP);
-      timevar_pop (TV_JUMP);
-    }
-
-  /* The second pass of jump optimization is likely to have
-     removed a bunch more instructions.  */
-  renumber_insns (dump_file);
 
   timevar_pop (TV_CSE);
   close_dump_file (DFI_cse, print_rtl_with_bb, insns);
@@ -1547,9 +1520,6 @@ rest_of_compilation (tree decl)
   if (optimize)
     cleanup_cfg (CLEANUP_EXPENSIVE | CLEANUP_PRE_LOOP);
 
-  if (flag_delete_null_pointer_checks)
-    rest_of_handle_null_pointer (decl, insns);
-
   /* Jump optimization, and the removal of NULL pointer checks, may
      have reduced the number of instructions substantially.  CSE, and
      future passes, allocate arrays whose dimensions involve the

gcc/rtl.h

@@ -2320,8 +2320,6 @@ extern void cannot_change_mode_set_regs (HARD_REG_SET *,
 extern bool invalid_mode_change_p (unsigned int, enum reg_class,
 				   enum machine_mode);
 
-extern int delete_null_pointer_checks (rtx);
-
 /* In regmove.c */
 #ifdef BUFSIZ
 extern void regmove_optimize (rtx, int, FILE *);