2005-03-31 Jan Hubicka <jh@suse.cz>

	2004-11-02  Jan Hubicka  <jh@suse.cz>

	* cgraph.c (cgraph_varpool_node_name): New function.
	(dump_cgraph_varpool_node): New function.
	(dump_varpool): New function.
	* cgraphunit.c (cgraph_optimize): Dump varpool.

	2004-10-16  Jan Hubicka  <jh@suse.cz>

	* cgraph.c (decide_is_variable_needed): New function.
	(cgraph_varpool_finalize_decl): Use it.
	* cgraphunit.c (cgraph_optimize): Assemble_pending_decls when not doing
	unit-at-a-time.
	* final.c (output_addr_const): Do not call mark_referenced.
	* passes.c (rest_of_decl_compilation): ifdef out DECL_RTL_SET_P hack;
	always go via cgraph.
	* toplev.c (wrapup_global_declarations): Kill non-unit-at-a-time code.
	(check_global_declarations): Ifdef out code clearing DECL_RTL.
	* tree-optimize.c (execute_inline): Mark functions called.
	* i386.c (output_pic_addr_const): Do not call mark_decl_referenced.

	2004-10-11  Jan Hubicka  <jh@suse.cz>

	* cgraph.c (cgraph_varpool_first_unanalyzed_node): New global voriable
	(cgraph_varpool_last_needed_node): New static variable.
	(enqueue_needed_varpool_node): Break out from ...; add items to the
	end of queue; update first pointers.
	(cgraph_varpool_mark_needed_node): ... here.
	(cgraph_varpool_finalize_decl): Use enqueue_needed_varpool_node.
	(cgraph_varpool_assemble_pending_decls): Move to cgraphunit.c
	* cgraph.h (cgraph_varpool_node): Add analyzed field.
	(cgraph_varpool_first_unanalyzed_node): Declare.
	* cgraphunit.c: Include output.h.
	(cgraph_varpool_analyze_pending_decls): New function.
	(cgraph_varpool_assemble_pending_decls): Move from cgraph.c; bail out
	for errors, analyze pending decls.
	(cgraph_finalize_compilation_unit): Only analyze decls.
	(cgraph_optimize): Assemble the decls after expanding.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@97287 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 7 insertions, 1 deletions

diff --git a/gcc/varasm.c b/gcc/varasm.c
index cf323f4c31f..9210c413b25 100644
--- a/gcc/varasm.c
+++ b/gcc/varasm.c
@@ -1883,7 +1883,13 @@ mark_decl_referenced (tree decl)
         cgraph_mark_needed_node (cgraph_node (decl));
     }
   else if (TREE_CODE (decl) == VAR_DECL)
-    cgraph_varpool_mark_needed_node (cgraph_varpool_node (decl));
+    {
+      struct cgraph_varpool_node *node = cgraph_varpool_node (decl);
+      cgraph_varpool_mark_needed_node (node);
+      /* C++ frontend use mark_decl_references to force COMDAT variables
+         to be output that might appear dead otherwise.  */
+      node->force_output = true;
+    }
   /* else do nothing - we can get various sorts of CST nodes here,
      which do not need to be marked.  */
 }