tree-optimize.c: New file.

gcc/
        * tree-optimize.c: New file.
        * Makefile.in (OBJS-archive): Add tree-optimize.o.
        (tree-optimize.o): New.
        * c-decl.c (store_parm_decls): Use allocate_struct_function.
        (finish_function): Don't free_after_parsing or free_after_compilation.
        (set_save_expr_context): Move to tree-optimize.c.
        (c_expand_body_1): Use tree_rest_of_compilation.
        * c-lang.c (LANG_HOOKS_RTL_EXPAND_STMT): New.
        * objc/objc-lang.c (LANG_HOOKS_RTL_EXPAND_STMT): New.
        * c-objc-common.c (expand_deferred_fns): Don't emit unused inlines;
        iterate until closure.
        * langhooks-def.h (LANG_HOOKS_RTL_EXPAND_START,
        LANG_HOOKS_RTL_EXPAND_STMT, LANG_HOOKS_RTL_EXPAND_END): New.
        (LANG_HOOKS_RTL_EXPAND_INITIALIZER): New.
        * langhooks.h (struct lang_hooks_for_rtl_expansion): New.
        * toplev.h (tree_rest_of_compilation): Declare it.

gcc/cp/
        * cp-lang.c (LANG_HOOKS_RTL_EXPAND_START): New.
        (LANG_HOOKS_RTL_EXPAND_STMT): New.
        * cp-tree.h (cxx_expand_function_start): Declare.
        * decl.c (start_function): Use allocate_struct_function.
        Move stmts_are_full_exprs_p assertion from expand_body.
        Do not free_after_parsing or free_after_compilation.
        (cxx_push_function_context): Move code to set struct function
        data from genrtl_start_function.
        * optimize.c (optimize_function): Don't inc/dec function_depth.
        * semantics.c (expand_body): Use tree_rest_of_compilation.
        (cxx_expand_function_start): Rename from genrtl_start_function,
        omit bits done by tree_rest_of_compilation.
        (genrtl_finish_function): Remove.
        (clear_decl_rtl): Move to ../tree-optimize.c.

Co-Authored-By: Jason Merrill <jason@redhat.com>

From-SVN: r70933

1 files changed, 0 insertions, 14 deletions

diff --git a/gcc/cp/optimize.c b/gcc/cp/optimize.c
index 4cb5c69..8c604e3 100644
--- a/gcc/cp/optimize.c
+++ b/gcc/cp/optimize.c
@@ -49,17 +49,6 @@ optimize_function (tree fn)
 {
   dump_function (TDI_original, fn);
 
-  /* While in this function, we may choose to go off and compile
-     another function.  For example, we might instantiate a function
-     in the hopes of inlining it.  Normally, that wouldn't trigger any
-     actual RTL code-generation -- but it will if the template is
-     actually needed.  (For example, if it's address is taken, or if
-     some other function already refers to the template.)  If
-     code-generation occurs, then garbage collection will occur, so we
-     must protect ourselves, just as we do while building up the body
-     of the function.  */
-  ++function_depth;
-
   if (flag_inline_trees
       /* We do not inline thunks, as (a) the backend tries to optimize
          the call to the thunkee, (b) tree based inlining breaks that
@@ -72,9 +61,6 @@ optimize_function (tree fn)
       dump_function (TDI_inlined, fn);
     }
   
-  /* Undo the call to ggc_push_context above.  */
-  --function_depth;
-  
   dump_function (TDI_optimized, fn);
 }