function.h (struct function): Remove dont_emit_block_notes.

        * function.h (struct function): Remove dont_emit_block_notes.
        * gimple-low.c (lower_function_body): Don't set it.
        * cfgexpand.c (expand_block): Don't check it.
        * cfglayout.c (insn_locators_initialize): Likewise.
        * expr.c (expand_expr_real, expand_expr_real_1): Likewise.
        * passes.c (rest_of_compilation): Likewise.
        * stmt.c (expand_start_bindings_and_block): Likewise.
        (expand_end_bindings): Likewise.

From-SVN: r83959

gcc/ChangeLog

 2004-07-01  Richard Henderson  <rth@redhat.com>
 
+	* function.h (struct function): Remove dont_emit_block_notes.
+	* gimple-low.c (lower_function_body): Don't set it.
+	* cfgexpand.c (expand_block): Don't check it.
+	* cfglayout.c (insn_locators_initialize): Likewise.
+	* expr.c (expand_expr_real, expand_expr_real_1): Likewise.
+	* passes.c (rest_of_compilation): Likewise.
+	* stmt.c (expand_start_bindings_and_block): Likewise.
+	(expand_end_bindings): Likewise.
+
+2004-07-01  Richard Henderson  <rth@redhat.com>
+
 	* cgraph.h (cgraph_build_static_cdtor): Declare.
 	* cgraphunit.c (cgraph_build_static_cdtor): New.
 	* c-objc-common.c (build_cdtor): Use it.

gcc/cfgexpand.c

@@ -119,7 +119,6 @@ expand_block (basic_block bb, FILE * dump_file)
 	    if (EXPR_LOCUS (stmt))
 	      {
 		emit_line_note (*(EXPR_LOCUS (stmt)));
-		if (cfun->dont_emit_block_notes)
 		record_block_change (TREE_BLOCK (stmt));
 	      }
 

gcc/cfglayout.c

@@ -308,19 +308,9 @@ insn_locators_initialize (void)
 	  switch (NOTE_LINE_NUMBER (insn))
 	    {
 	    case NOTE_INSN_BLOCK_BEG:
-	      if (cfun->dont_emit_block_notes)
-		abort ();
-	      block = NOTE_BLOCK (insn);
-	      delete_insn (insn);
-	      break;
 	    case NOTE_INSN_BLOCK_END:
-	      if (cfun->dont_emit_block_notes)
 	      abort ();
-	      block = BLOCK_SUPERCONTEXT (block);
-	      if (block && TREE_CODE (block) == FUNCTION_DECL)
-		block = 0;
-	      delete_insn (insn);
-	      break;
+
 	    default:
 	      if (NOTE_LINE_NUMBER (insn) > 0)
 		{
@@ -333,7 +323,6 @@ insn_locators_initialize (void)
 	    }
 	}
 
-      if (cfun->dont_emit_block_notes)
       check_block_change (insn, &block);
     }
 
@@ -341,7 +330,6 @@ insn_locators_initialize (void)
      the common parent easily.  */
   set_block_levels (DECL_INITIAL (cfun->decl), 0);
 
-  if (cfun->dont_emit_block_notes)
   free_block_changes ();
 }
 

gcc/expr.c

@@ -6490,7 +6490,6 @@ expand_expr_real (tree exp, rtx target, enum machine_mode tmode,
       emit_line_note (input_location);
       
       /* Record where the insns produced belong.  */
-      if (cfun->dont_emit_block_notes)
       record_block_change (TREE_BLOCK (exp));
 
       ret = expand_expr_real_1 (exp, target, tmode, modifier, alt_rtl);
@@ -8534,7 +8533,6 @@ expand_expr_real_1 (tree exp, rtx target, enum machine_mode tmode,
 	      if (EXPR_HAS_LOCATION (exp))
 		{
 		  emit_line_note (EXPR_LOCATION (exp));
-		  if (cfun->dont_emit_block_notes)
 		  record_block_change (TREE_BLOCK (exp));
 		}
 	      expand_elseif (TREE_OPERAND (exp, 0));

gcc/function.h

@@ -361,10 +361,6 @@ struct function GTY(())
      delay list for them is recorded here.  */
   rtx epilogue_delay_list;
 
-  /* Nonzero if NOTE_INSN_BLOCK_BEG / NOTE_INSN_BLOCK_END notes should not
-     be emitted.  */
-  unsigned int dont_emit_block_notes : 1;
-
   /* How commonly executed the function is.  Initialized during branch
      probabilities pass.  */
   enum function_frequency {

gcc/gimple-low.c

@@ -124,8 +124,6 @@ lower_function_body (void)
 
   clear_block_marks (data.block);
 
-  /* Avoid producing notes for blocks.  */
-  cfun->dont_emit_block_notes = 1;
   reset_block_changes ();
 }
 

gcc/passes.c

@@ -1374,13 +1374,6 @@ rest_of_compilation (void)
      have been run to re-initialize it.  */
   cse_not_expected = ! optimize;
 
-  if (!cfun->dont_emit_block_notes)
-    {
-      /* In function-at-a-time mode, we do not attempt to keep the BLOCK
-	 tree in sensible shape.  So, we just recalculate it here.  */
-      reorder_blocks ();
-    }
-  else
   finalize_block_changes ();
 
   /* Dump the rtl code if we are dumping rtl.  */
@@ -1413,8 +1406,6 @@ rest_of_compilation (void)
      over the instruction sequence faster, and allow the garbage
      collector to reclaim the memory used by the notes.  */
   remove_unnecessary_notes ();
-  if (!cfun->dont_emit_block_notes)
-    reorder_blocks ();
 
   ggc_collect ();
 

gcc/stmt.c

@@ -2840,12 +2840,6 @@ expand_start_bindings_and_block (int flags, tree block)
     abort ();
 
   /* Create a note to mark the beginning of the block.  */
-  if (block_flag && !cfun->dont_emit_block_notes)
-    {
-      note = emit_note (NOTE_INSN_BLOCK_BEG);
-      NOTE_BLOCK (note) = block;
-    }
-  else
   note = emit_note (NOTE_INSN_DELETED);
 
   /* Make an entry on block_stack for the block we are entering.  */
@@ -3073,7 +3067,8 @@ warn_about_unused_variables (tree vars)
    labels (because the front end does that).  */
 
 void
-expand_end_bindings (tree vars, int mark_ends, int dont_jump_in)
+expand_end_bindings (tree vars, int mark_ends ATTRIBUTE_UNUSED,
+		     int dont_jump_in)
 {
   struct nesting *thisblock = block_stack;
 
@@ -3165,12 +3160,6 @@ expand_end_bindings (tree vars, int mark_ends, int dont_jump_in)
      We do this now, after running cleanups on the variables
      just going out of scope, so they are in scope for their cleanups.  */
 
-  if (mark_ends && !cfun->dont_emit_block_notes)
-    {
-      rtx note = emit_note (NOTE_INSN_BLOCK_END);
-      NOTE_BLOCK (note) = NOTE_BLOCK (thisblock->data.block.first_insn);
-    }
-  else
   /* Get rid of the beginning-mark if we don't make an end-mark.  */
   NOTE_LINE_NUMBER (thisblock->data.block.first_insn) = NOTE_INSN_DELETED;