* stor-layout.c (layout_decl): Unshare size expressions copied

[pf3gnuchains/gcc-fork.git] / gcc / function.h

diff --git a/gcc/function.h b/gcc/function.h
index 60baf84..1c32c9f 100644 (file)
--- a/gcc/function.h
+++ b/gcc/function.h
@@ -162,7 +162,6 @@ struct expr_status GTY(())
 struct function GTY(())
 {
   struct eh_status *eh;
-  struct stmt_status *stmt;
   struct expr_status *expr;
   struct emit_status *emit;
   struct varasm_status *varasm;
@@ -173,6 +172,7 @@ struct function GTY(())
      inlining */
   tree saved_tree;
   tree saved_args;
+  tree saved_static_chain_decl;
 
   /* For function.c.  */
 
@@ -254,7 +254,7 @@ struct function GTY(())
      If stack grows up, this is the address for the next slot.  */
   HOST_WIDE_INT x_frame_offset;
 
-  /* A VAR_DECL that should contain the static chain for this function.
+  /* A PARM_DECL that should contain the static chain for this function.
      It will be initialized at the beginning of the function.  */
   tree static_chain_decl;
 
@@ -275,15 +275,6 @@ struct function GTY(())
   /* Current nesting level for temporaries.  */
   int x_temp_slot_level;
 
-  /* Current nesting level for variables in a block.  */
-  int x_var_temp_slot_level;
-
-  /* When temporaries are created by TARGET_EXPRs, they are created at
-     this level of temp_slot_level, so that they can remain allocated
-     until no longer needed.  CLEANUP_POINT_EXPRs define the lifetime
-     of TARGET_EXPRs.  */
-  int x_target_temp_slot_level;
-
   /* This slot is initialized as 0 and is added to
      during the nested function.  */
   struct var_refs_queue *fixup_var_refs_queue;
@@ -366,9 +357,6 @@ struct function GTY(())
   /* Nonzero if function being compiled can call setjmp.  */
   unsigned int calls_setjmp : 1;
 
-  /* Nonzero if function being compiled can call longjmp.  */
-  unsigned int calls_longjmp : 1;
-
   /* Nonzero if function being compiled can call alloca,
      either as a subroutine or builtin.  */
   unsigned int calls_alloca : 1;
@@ -458,7 +446,6 @@ extern int trampolines_created;
 #define current_function_returns_pointer (cfun->returns_pointer)
 #define current_function_calls_setjmp (cfun->calls_setjmp)
 #define current_function_calls_alloca (cfun->calls_alloca)
-#define current_function_calls_longjmp (cfun->calls_longjmp)
 #define current_function_calls_eh_return (cfun->calls_eh_return)
 #define current_function_has_computed_jump (cfun->has_computed_jump)
 #define current_function_contains_functions (cfun->contains_functions)
@@ -491,8 +478,6 @@ extern int trampolines_created;
 #define used_temp_slots (cfun->x_used_temp_slots)
 #define avail_temp_slots (cfun->x_avail_temp_slots)
 #define temp_slot_level (cfun->x_temp_slot_level)
-#define target_temp_slot_level (cfun->x_target_temp_slot_level)
-#define var_temp_slot_level (cfun->x_var_temp_slot_level)
 #define nonlocal_labels (cfun->x_nonlocal_labels)
 #define nonlocal_goto_handler_labels (cfun->x_nonlocal_goto_handler_labels)
 
@@ -527,7 +512,6 @@ extern HOST_WIDE_INT get_func_frame_size (struct function *);
 extern struct machine_function * (*init_machine_status) (void);
 
 /* Save and restore status information for a nested function.  */
-extern void restore_emit_status (struct function *);
 extern void free_after_parsing (struct function *);
 extern void free_after_compilation (struct function *);
 
@@ -554,5 +538,7 @@ extern void do_warn_unused_parameter (tree);
 
 extern bool pass_by_reference (CUMULATIVE_ARGS *, enum machine_mode,
                               tree, bool);
+extern bool reference_callee_copied (CUMULATIVE_ARGS *, enum machine_mode,
+                                    tree, bool);
 
 #endif  /* GCC_FUNCTION_H */