class.c (abort_fndecl_addr): New variable.

2005-01-25  Andrew Pinski  <pinskia@physics.uc.edu>

        * class.c (abort_fndecl_addr): New variable.
        (build_vtbl_initializer): If we have a pure virtual function
        share the abort function's address.
        Include gt-cp-class.h at the end.
        * config-lang.in (gtfiles): Add cp/class.c.

From-SVN: r94225

gcc/cp/ChangeLog

+2005-01-25  Andrew Pinski  <pinskia@physics.uc.edu>
+
+	* class.c (abort_fndecl_addr): New variable.
+	(build_vtbl_initializer): If we have a pure virtual function
+	share the abort function's address.
+	Include gt-cp-class.h at the end.
+	* config-lang.in (gtfiles): Add cp/class.c.
+
 2005-01-25  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
 
 	* cxx-pretty-print.c (pp_cxx_statement): Add prototype. Make static.

gcc/cp/class.c

@@ -7063,6 +7063,8 @@ dfs_accumulate_vtbl_inits (tree binfo,
   return inits;
 }
 
+static GTY(()) tree abort_fndecl_addr;
+
 /* Construct the initializer for BINFO's virtual function table.  BINFO
    is part of the hierarchy dominated by T.  If we're building a
    construction vtable, the ORIG_BINFO is the binfo we should use to
@@ -7212,16 +7214,24 @@ build_vtbl_initializer (tree binfo,
 	  /* You can't call an abstract virtual function; it's abstract.
 	     So, we replace these functions with __pure_virtual.  */
 	  if (DECL_PURE_VIRTUAL_P (fn_original))
-	    fn = abort_fndecl;
-	  else if (!integer_zerop (delta) || vcall_index)
 	    {
-	      fn = make_thunk (fn, /*this_adjusting=*/1, delta, vcall_index);
-	      if (!DECL_NAME (fn))
-		finish_thunk (fn);
+	      fn = abort_fndecl;
+	      if (abort_fndecl_addr == NULL)
+		abort_fndecl_addr = build1 (ADDR_EXPR, vfunc_ptr_type_node, fn);
+	      init = abort_fndecl_addr;
+	    }
+	  else
+	    {
+	      if (!integer_zerop (delta) || vcall_index)
+		{
+		  fn = make_thunk (fn, /*this_adjusting=*/1, delta, vcall_index);
+		  if (!DECL_NAME (fn))
+		    finish_thunk (fn);
+		}
+	      /* Take the address of the function, considering it to be of an
+		 appropriate generic type.  */
+	      init = build1 (ADDR_EXPR, vfunc_ptr_type_node, fn);
 	    }
-	  /* Take the address of the function, considering it to be of an
-	     appropriate generic type.  */
-	  init = build1 (ADDR_EXPR, vfunc_ptr_type_node, fn);
 	}
 
       /* And add it to the chain of initializers.  */
@@ -7682,3 +7692,4 @@ cp_fold_obj_type_ref (tree ref, tree known_type)
   return build_address (fndecl);
 }
 
+#include "gt-cp-class.h"

gcc/cp/config-lang.in

@@ -34,4 +34,4 @@ stagestuff="g++\$(exeext) g++-cross\$(exeext) cc1plus\$(exeext)"
 
 target_libs="target-libstdc++-v3 target-gperf"
 
-gtfiles="\$(srcdir)/cp/mangle.c \$(srcdir)/cp/name-lookup.h \$(srcdir)/cp/name-lookup.c \$(srcdir)/cp/cp-tree.h \$(srcdir)/cp/decl.h \$(srcdir)/cp/call.c \$(srcdir)/cp/decl.c \$(srcdir)/cp/decl2.c \$(srcdir)/cp/pt.c \$(srcdir)/cp/repo.c \$(srcdir)/cp/semantics.c \$(srcdir)/cp/tree.c \$(srcdir)/cp/parser.c \$(srcdir)/cp/method.c \$(srcdir)/cp/typeck2.c \$(srcdir)/c-common.c \$(srcdir)/c-common.h \$(srcdir)/c-lex.c \$(srcdir)/c-pragma.c"
+gtfiles="\$(srcdir)/cp/mangle.c \$(srcdir)/cp/name-lookup.h \$(srcdir)/cp/name-lookup.c \$(srcdir)/cp/cp-tree.h \$(srcdir)/cp/decl.h \$(srcdir)/cp/call.c \$(srcdir)/cp/decl.c \$(srcdir)/cp/decl2.c \$(srcdir)/cp/pt.c \$(srcdir)/cp/repo.c \$(srcdir)/cp/semantics.c \$(srcdir)/cp/tree.c \$(srcdir)/cp/parser.c \$(srcdir)/cp/method.c \$(srcdir)/cp/typeck2.c \$(srcdir)/c-common.c \$(srcdir)/c-common.h \$(srcdir)/c-lex.c \$(srcdir)/c-pragma.c \$(srcdir)/cp/class.c"