* ggc.h: Delete ggc_add_string_root and ggc_mark_string. Add

        digit_vector and digit_string.
        * stringpool.c (digit_vector): New.
        (ggc_alloc_string): Use digit_string.

        * stmt.c (digit_strings): Delete.
        (init_stmt): Do not initialize digit_strings.
        (expand_asm_operands): Use ggc.h's digit_string macro.
        * toplev.c (mark_file_stack): Delete.
        (compile_file): Don't call init_tree_codes.
        (main): No need to make the file stack a GC root.
        * tree.c (init_tree_codes): Delete.
        * tree.h (init_tree_codes): Delete.

        * c-lex.c: Don't include ggc.h.
        (mark_splay_tree_node, mark_splay_tree): Delete.
        (init_c_lex): No need to ggc_strdup string constant.  Don't add
        file_info_tree to GGC roots.
        (cb_enter_file, cb_rename_file): No need to ggc_strdup
        ip->nominal_fname.

        * Makefile.in (c-lex.o): No longer depends on $(GGC_H).

        * dbxout.c (dbxout_init),
        dwarf2out.c (dwarf2out_line),
        ggc-common.c (ggc_mark_rtx_children, ggc_mark_trees),
        varasm.c (mark_const_hash_entry, mark_pool_constant, init_varasm_once),
        xcoffout.c (xcoffout_source_file),
        i386.c (load_pic_register):
        Delete call(s) to ggc_add_string_root and/or ggc_mark_string.

        * except.c (create_rethrow_ref),
        profile.c (init_edge_profiler),
        toplev.c (compile_file),
        varasm.c (named_section, assemble_static_space,
        assemble_trampoline_template, output_constant_def, force_const_mem),
        i386.c (load_pic_register),
        ia64.c (ia64_encode_section_info),
        rs6000.c (rs6000_emit_load_toc_table, create_TOC_reference,
        rs6000_emit_prologue, rs6000_emit_epilogue),
        rs6000.md (load_toc_aix_si, load_toc_aix_di):
        Change ggc_alloc_string (var, -1) to ggc_strdup (var).

        * profile.c (output_func_start_profiler),
        tree.c (make_node),
        i386.c (load_pic_register): No need to ggc_strdup string constant.

cp:
        * lex.c (mark_impl_file_chain): Delete.
        (init_parse): Remove call to ggc_add_string_root.  No need to
        ggc_strdup a string constant.  Do not add impl_file_chain to GC
        roots.
        (handle_pragma_implementation): No need to ggc_strdup main_filename.

f:
        * lex.c (ffelex_hash_): Change ggc_alloc_string (var, -1) to
        ggc_strdup (var).

java:
        * parse.y (goal): Remove call to ggc_add_string_root.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@37522 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 1 insertions, 19 deletions

diff --git a/gcc/tree.c b/gcc/tree.c
index 28f791b0eba..b0a1ae18759 100644
--- a/gcc/tree.c
+++ b/gcc/tree.c
@@ -179,12 +179,6 @@ static void finish_vector_type PARAMS((tree));
 void (*lang_unsave) PARAMS ((tree *));
 void (*lang_unsave_expr_now) PARAMS ((tree));
 
-/* The string used as a placeholder instead of a source file name for
-   built-in tree nodes.  The variable, which is dynamically allocated,
-   should be used; the macro is only used to initialize it.  */
-
-static const char *built_in_filename;
-#define BUILT_IN_FILENAME ("<built-in>")
 
 tree global_trees[TI_MAX];
 tree integer_types[itk_none];
@@ -249,18 +243,6 @@ perm_calloc (nelem, size)
   return rval;
 }
 
-
-/* Init the tables indexed by tree code.
-   Note that languages can add to these tables to define their own codes.  */
-
-void
-init_tree_codes ()
-{
-  built_in_filename
-    = ggc_alloc_string (BUILT_IN_FILENAME, sizeof (BUILT_IN_FILENAME));
-  ggc_add_string_root (&built_in_filename, 1);
-}
-
 /* Compute the number of bytes occupied by 'node'.  This routine only
    looks at TREE_CODE and, if the code is TREE_VEC, TREE_VEC_LENGTH.  */
 size_t
@@ -417,7 +399,7 @@ make_node (code)
       DECL_IN_SYSTEM_HEADER (t) = in_system_header;
       DECL_SOURCE_LINE (t) = lineno;
       DECL_SOURCE_FILE (t) =
-	(input_filename) ? input_filename : built_in_filename;
+	(input_filename) ? input_filename : "<built-in>";
       DECL_UID (t) = next_decl_uid++;
       /* Note that we have not yet computed the alias set for this
 	 declaration.  */