[multiple changes]

2004-05-17  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

	Part of function-at-a-time conversion

	* misc.c (adjust_decl_rtl): Deleted.
	(LANG_HOOKS_PUSHLEVEL, LANG_HOOKS_POPLEVEL, LANG_HOOKS_SET_BLOCK):
	Define.

	* gigi.h: (adjust_decl_rtl, kept_level_p, set_block): Deleted.
	(add_decl_stmt, add_stmt, block_has_vars): New functions.
	(gnat_pushlevel, gnat_poplevel): Renamed from pushlevel and poplevel.

	* decl.c (elaborate_expression, maybe_pad_type): Call add_decl_stmt
	when making a decl.
	(gnat_to_gnu_entity): Likewise.
	Use add_stmt to update setjmp buffer.
	Set TREE_ADDRESSABLE instead of calling put_var_into_stack and
	flush_addressof.
	No longer call adjust_decl_rtl.
	(DECL_INIT_BY_ASSIGN_P): New macro.
	(DECL_STMT_VAR): Likewise.

	* trans.c (gigi): Call start_block_stmt to make the outermost
	BLOCK_STMT.
	(gnat_to_code, gnu_to_gnu, tree_transform, process_decls, process_type):
	Call start_block_stmt and end_block_stmt temporarily.
	Use gnat_expand_stmt instead of expand_expr_stmt.
	(add_decl_stmt): New function.
	(tree_transform): Call it.
	(add_stmt): Also emit initializing assignment for DECL_STMT if needed.
	(end_block_stmt): Set type and NULL_STMT.
	(gnat_expand_stmt): Make recursize call instead of calling
	expand_expr_stmt.
	(gnat_expand_stmt, case DECL_STMT): New case.
	(set_lineno_from_sloc): Do nothing if global.
	(gnu_block_stmt_node, gnu_block_stmt_free_list): New variables.
	(start_block_stmt, add_stmt, end_block_stmt): New functions.
	(build_block_stmt): Call them.
	(gnat_to_code): Don't expand NULL_STMT.
	(build_unit_elab): Rename pushlevel and poplevel to gnat_* and change
	args.
	(tree_transform): Likewise.
	(tree_transform, case N_Null_Statement): Return NULL_STMT.
	(gnat_expand_stmt, case NULL_STMT): New case.
	(gnat_expand_stmt, case IF_STMT): Allow nested IF_STMT to have no
	IF_STMT_TRUE.

	* utils2.c (gnat_mark_addressable, case VAR_DECL): Do not set
	TREE_ADDRESSABLE.

	* utils.c (create_var_decl): Do not call expand_decl or
	expand_decl_init.
	Set TREE_ADDRESSABLE instead of calling gnat_mark_addressable.
	Set DECL_INIT_BY_ASSIGN_P when needed and do not generate MODIFY_EXPR
	here.
	(struct e_stack): Add chain_next to GTY.
	(struct binding_level): Deleted.
	(struct ada_binding_level): New struct.
	(free_block_chain): New.
	(global_binding_level, clear_binding_level): Deleted.
	(global_bindings_p): Rework to see if no chain.
	(kept_level_p, set_block): Deleted.
	(gnat_pushlevel): Renamed from pushlevel and extensive reworked to use
	new data structure and work directly on BLOCK node.
	(gnat_poplevel): Similarly.
	(get_decls): Look at BLOCK_VARS.
	(insert_block): Work directly on BLOCK node.
	(block_has_var): New function.
	(pushdecl): Rework for new binding structures.
	(gnat_init_decl_processing): Rename and rework calls to pushlevel and
	poplevel.
	(build_subprog_body): Likewise.
	(end_subprog_body): Likewise; also set up BLOCK in DECL_INITIAL.

	* ada-tree.def (DECL_STMT, NULL_STMT): New codes.

	* ada-tree.h: (DECL_INIT_BY_ASSIGN_P): New macro.
	(DECL_STMT_VAR): Likewise.

2004-05-17  Robert Dewar  <dewar@gnat.com>

	* restrict.ads, restrict.adb (Process_Restriction_Synonym): New
	procedure

	* sem_prag.adb (Analyze_Pragma, case Restrictions): Cleanup handling
	of restriction synonyums by using
	Restrict.Process_Restriction_Synonyms.

	* snames.ads, snames.adb: Add entries for Process_Restriction_Synonym

	* s-restri.ads (Tasking_Allowed): Correct missing comment

	* s-rident.ads: Add entries for restriction synonyms

	* ali.adb: Fix some problems with badly formatted ALI files that can
	result in infinite loops.

	* s-taprop-lynxos.adb, s-tpopsp-lynxos.adb, s-taprop-tru64.adb,
	s-tpopsp-posix-foreign.adb, s-taprop-irix.adb, s-interr-sigaction.adb,
	s-taprop-irix-athread.adb, s-taprop-hpux-dce.adb, s-taprop-linux.adb,
	s-taprop-dummy.adb, s-interr-dummy.adb, s-taprop-os2.adb,
	s-taprop-solaris.adb, s-tpopsp-solaris.adb, s-asthan-vms.adb,
	s-inmaop-vms.adb, s-interr-vms.adb, s-taprop-vms.adb,
	s-tpopde-vms.adb, s-taprop-mingw.adb, s-interr-vxworks.adb,
	s-taprop-vxworks.adb, s-tpopsp-vxworks.adb, s-taprop-posix.adb,
	s-tpopsp-posix.adb, s-tratas-default.adb, a-dynpri.adb,
	a-tasatt.adb, a-taside.adb, a-taside.ads, exp_attr.adb,
	exp_ch9.adb, g-thread.adb, rtsfind.ads, sem_attr.adb,
	s-interr.adb, s-interr.ads, s-soflin.ads, s-taasde.adb,
	s-taasde.ads, s-taenca.adb, s-taenca.ads, s-taprop.ads,
	s-tarest.adb, s-tarest.ads, s-tasdeb.adb, s-tasdeb.ads,
	s-tasini.adb, s-tasini.ads, s-taskin.adb, s-taskin.ads,
	s-tasque.adb, s-tasque.ads, s-tasren.adb, s-tasren.ads,
	s-tassta.adb, s-tassta.ads, s-tasuti.adb, s-tasuti.ads,
	s-tataat.adb, s-tataat.ads, s-tpinop.adb, s-tpinop.ads,
	s-tpoben.adb, s-tpobop.adb, s-tpobop.ads, s-tporft.adb,
	s-tposen.adb, s-tposen.ads, s-tratas.adb, s-tratas.ads: Change Task_ID
	to Task_Id (minor cleanup).

2004-05-17  Vincent Celier  <celier@gnat.com>

	* g-os_lib.adb (Normalize_Pathname.Final_Value): Remove trailing
	directory separator.

	* prj-proc.adb (Recursive_Process): Inherit attribute Languages from
	project being extended, if Languages is not declared in extending
	project.

2004-05-17  Javier Miranda  <miranda@gnat.com>

	* sem_ch10.adb (Install_Limited_Withed_Unit): Do not install the
	limited view of a visible sibling.

From-SVN: r81935

1 files changed, 6 insertions, 60 deletions

diff --git a/gcc/ada/misc.c b/gcc/ada/misc.c
index dca2b0f..f8fe4de 100644
--- a/gcc/ada/misc.c
+++ b/gcc/ada/misc.c
@@ -121,6 +121,12 @@ static void gnat_adjust_rli		(record_layout_info);
 #define LANG_HOOKS_HONOR_READONLY	true
 #undef LANG_HOOKS_HASH_TYPES
 #define LANG_HOOKS_HASH_TYPES		false
+#undef LANG_HOOKS_PUSHLEVEL
+#define LANG_HOOKS_PUSHLEVEL		lhd_do_nothing_i
+#undef LANG_HOOKS_POPLEVEL
+#define LANG_HOOKS_POPLEVEL		lhd_do_nothing_iii_return_null_tree
+#undef LANG_HOOKS_SET_BLOCK
+#define LANG_HOOKS_SET_BLOCK		lhd_do_nothing_t
 #undef LANG_HOOKS_FINISH_INCOMPLETE_DECL
 #define LANG_HOOKS_FINISH_INCOMPLETE_DECL gnat_finish_incomplete_decl
 #undef LANG_HOOKS_GET_ALIAS_SET
@@ -698,66 +704,6 @@ gnat_eh_type_covers (tree a, tree b)
   return (a == b || a == integer_zero_node);
 }
 
-/* See if DECL has an RTL that is indirect via a pseudo-register or a
-   memory location and replace it with an indirect reference if so.
-   This improves the debugger's ability to display the value.  */
-
-void
-adjust_decl_rtl (tree decl)
-{
-  tree new_type;
-
-  /* If this decl is already indirect, don't do anything.  This should
-     mean that the decl cannot be indirect, but there's no point in
-     adding an abort to check that.  */
-  if (TREE_CODE (decl) != CONST_DECL
-      && ! DECL_BY_REF_P (decl)
-      && (GET_CODE (DECL_RTL (decl)) == MEM
-	  && (GET_CODE (XEXP (DECL_RTL (decl), 0)) == MEM
-	      || (GET_CODE (XEXP (DECL_RTL (decl), 0)) == REG
-		  && (REGNO (XEXP (DECL_RTL (decl), 0))
-		      > LAST_VIRTUAL_REGISTER))))
-      /* We can't do this if the reference type's mode is not the same
-	 as the current mode, which means this may not work on mixed 32/64
-	 bit systems.  */
-      && (new_type = build_reference_type (TREE_TYPE (decl))) != 0
-      && TYPE_MODE (new_type) == GET_MODE (XEXP (DECL_RTL (decl), 0))
-      /* If this is a PARM_DECL, we can only do it if DECL_INCOMING_RTL
-	 is also an indirect and of the same mode and if the object is
-	 readonly, the latter condition because we don't want to upset the
-	 handling of CICO_LIST.  */
-      && (TREE_CODE (decl) != PARM_DECL
-	  || (GET_CODE (DECL_INCOMING_RTL (decl)) == MEM
-	      && (TYPE_MODE (new_type)
-		  == GET_MODE (XEXP (DECL_INCOMING_RTL (decl), 0)))
-	      && TREE_READONLY (decl))))
-    {
-      new_type
-	= build_qualified_type (new_type,
-				(TYPE_QUALS (new_type) | TYPE_QUAL_CONST));
-
-      DECL_POINTS_TO_READONLY_P (decl) = TREE_READONLY (decl);
-      DECL_BY_REF_P (decl) = 1;
-      SET_DECL_RTL (decl, XEXP (DECL_RTL (decl), 0));
-      TREE_TYPE (decl) = new_type;
-      DECL_MODE (decl) = TYPE_MODE (new_type);
-      DECL_ALIGN (decl) = TYPE_ALIGN (new_type);
-      DECL_SIZE (decl) = TYPE_SIZE (new_type);
-
-      if (TREE_CODE (decl) == PARM_DECL)
-	set_decl_incoming_rtl (decl, XEXP (DECL_INCOMING_RTL (decl), 0));
-
-      /* If DECL_INITIAL was set, it should be updated to show that
-	 the decl is initialized to the address of that thing.
-	 Otherwise, just set it to the address of this decl.
-	 It needs to be set so that GCC does not think the decl is
-	 unused.  */
-      DECL_INITIAL (decl)
-	= build1 (ADDR_EXPR, new_type,
-		  DECL_INITIAL (decl) != 0 ? DECL_INITIAL (decl) : decl);
-    }
-}
-
 /* Record the current code position in GNAT_NODE.  */
 
 void