Revert

	2012-03-25  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/decl.c (SS_MARK_NAME): New define.
	(gnat_to_gnu_entity) <E_Function>: Prepend leaf attribute on entities
	whose name is SS_MARK_NAME.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/gcc-4_7-branch@186039 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ada/ChangeLog b/gcc/ada/ChangeLog
index 52f9ad9..e6adda6 100644 (file)
--- a/gcc/ada/ChangeLog
+++ b/gcc/ada/ChangeLog
@@ -1,9 +1,3 @@
-2012-03-25  Eric Botcazou  <ebotcazou@adacore.com>
-
-       * gcc-interface/decl.c (SS_MARK_NAME): New define.
-       (gnat_to_gnu_entity) <E_Function>: Prepend leaf attribute on entities
-       whose name is SS_MARK_NAME.
-
 2012-03-22  Release Manager
 
        * GCC 4.7.0 released.

diff --git a/gcc/ada/gcc-interface/decl.c b/gcc/ada/gcc-interface/decl.c
index 94d9e39..5b6d2f7 100644 (file)
--- a/gcc/ada/gcc-interface/decl.c
+++ b/gcc/ada/gcc-interface/decl.c
@@ -81,9 +81,6 @@
 #define FOREIGN_FORCE_REALIGN_STACK 0
 #endif
 
-/* The (internal) name of the System.Secondary_Stack.SS_Mark function.  */
-#define SS_MARK_NAME "system__secondary_stack__ss_mark"
-
 struct incomplete
 {
   struct incomplete *next;
@@ -4416,21 +4413,6 @@ gnat_to_gnu_entity (Entity_Id gnat_entity, tree gnu_expr, int definition)
             get_identifier ("force_align_arg_pointer"), NULL_TREE,
             gnat_entity);
 
-       /* ??? Declare System.Secondary_Stack.SS_Mark as leaf, in order to
-          avoid creating abnormal edges in SJLJ mode, which can break the
-          dominance relationship if there is a dynamic stack allocation.
-          We cannot do this in System.Secondary_Stack directly since it's
-          a compiler unit and this would introduce bootstrap path issues.  */
-       if (IDENTIFIER_LENGTH (gnu_entity_name) == strlen (SS_MARK_NAME)
-           && IDENTIFIER_POINTER (gnu_entity_name)[0] == SS_MARK_NAME[0]
-           && IDENTIFIER_POINTER (gnu_entity_name)[1] == SS_MARK_NAME[1]
-           && IDENTIFIER_POINTER (gnu_entity_name)[2] == SS_MARK_NAME[2]
-           && gnu_entity_name == get_identifier (SS_MARK_NAME))
-         prepend_one_attribute_to
-           (&attr_list, ATTR_MACHINE_ATTRIBUTE,
-            get_identifier ("leaf"), NULL_TREE,
-            gnat_entity);
-
        /* The lists have been built in reverse.  */
        gnu_param_list = nreverse (gnu_param_list);
        if (has_stub)