re PR c/24644 (gcc-4.1 compiled ppc64 kernels do not boot)

2005-11-09  Andrew Pinski  <pinskia@physics.uc.edu>

        PR c/24644
        * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
        a linkage name for a variable if it a register variable.
        * c-decl.c (grokdeclarator): Global register variables
        should be set as PUBLIC.

From-SVN: r106693

gcc/ChangeLog

+2005-11-09  Andrew Pinski  <pinskia@physics.uc.edu>
+
+	PR c/24644
+	* dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
+	a linkage name for a variable if it a register variable.
+	* c-decl.c (grokdeclarator): Global register variables
+	should be set as PUBLIC.
+
 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
 
 	PR 24624

gcc/c-decl.c

@@ -4694,11 +4694,10 @@ grokdeclarator (const struct c_declarator *declarator,
 	/* At file scope, the presence of a `static' or `register' storage
 	   class specifier, or the absence of all storage class specifiers
 	   makes this declaration a definition (perhaps tentative).  Also,
-	   the absence of both `static' and `register' makes it public.  */
+	   the absence of `static' makes it public.  */
 	if (current_scope == file_scope)
 	  {
-	    TREE_PUBLIC (decl) = !(storage_class == csc_static
-				   || storage_class == csc_register);
+	    TREE_PUBLIC (decl) = storage_class != csc_static;
 	    TREE_STATIC (decl) = !extern_ref;
 	  }
 	/* Not at file scope, only `static' makes a static definition.  */

gcc/dwarf2out.c

@@ -10809,7 +10809,8 @@ add_name_and_src_coords_attributes (dw_die_ref die, tree decl)
       if ((TREE_CODE (decl) == FUNCTION_DECL || TREE_CODE (decl) == VAR_DECL)
 	  && TREE_PUBLIC (decl)
 	  && DECL_ASSEMBLER_NAME (decl) != DECL_NAME (decl)
-	  && !DECL_ABSTRACT (decl))
+	  && !DECL_ABSTRACT (decl)
+	  && !(TREE_CODE (decl) == VAR_DECL && DECL_REGISTER (decl)))
 	add_AT_string (die, DW_AT_MIPS_linkage_name,
 		       IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (decl)));
     }