* Makefile.in (ggc-simple.o): Depend on varray.h.

	(rtl.o): Depend on ggc.h.
	(genattrtab.o): Depend on ggc.h.
	(print-tree.o): Likewise.
	(fold-const.o): Likewise.
	* emit-rtl.c (sequence_element_free_list): Remove, and all references.
	(make_insn_raw): Don't cache insns when GC'ing.
	(emit_insn_before): Likewise.
	(emit_insn_after): Likewise.
	(emit_insn): Likewise.
	(start_sequence): Use xmalloc to allocate the sequence_stack.
	(end_sequence): Add free to free it.
	(gen_sequence): Don't cache insns when GC'ing.
	(clear_emit_caches): Don't use sequence_element_free_list.
	(init_emit): Use xcalloc, not xmalloc+bzero.
	* fold-const.c (size_int_wide): Kill the cache, when GC'ing.
	* function.c (pop_function_context_from): Use free to free the
	fixup_var_refs_queue.
	(put_reg_into_stack): Allocate it with xmalloc.
	* genattrtab.c: Include ggc.h.
	(operate_exp): Don't use obstack_free when GC'ing.
	(simplify_cond): Likewise.
	(simplify_text_exp): Likewise.
	(optimize_attrs): Likewise.
	* gengentrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
	GC'ing.
	(gencode): Generate a #include for ggc.h.
	* ggc-callbacks.c (ggc_p): Define it to zero.
	* ggc-none.c (ggc_p): Likewise.
	* ggc-simple.c: Include varray.h.
	(ggc_mark_tree_varray): New function.
	(ggc_add_tree_varray_root): Likewise.
	(ggc_mark_tree_varray_ptr): Likewise.
	* ggc.h (ggc_p): Declare.
	(varray_head_tag): Likewise.
	(ggc_add_tree_varray_root): Declare.
	* print-tree.c (print_node): Don't check for TREE_PERMANENT
	inconsistencies when GC'ing.
	* rtl.c: Include ggc.h.
	(rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
	(rtx_alloc): Use ggc_alloc_rtx when GC'ing.
	(rtx_free): Don't call obstack_free when GC'ing.
	* toplev.c (rest_of_compilation): Call ggc_collect after every
	pass, if GC'ing.
	* tree.c (push_obstacks): Do nothing, if GC'ing.
	(pop_obstacks_nochange): Likewise.
	(pop_obstacks): Likewise.
	(make_node): Use ggc_alloc_tree when GC'ing.
	(copy_node): Likewise.
	(get_identifier): Use ggc_alloc_string when GC'ing.
	(build_string): Likewise.
	(make_tree_vec): Use ggc_alloc_tree when GC'ing.
	(tree_cons): Likewise.
	(build1): Likewise.
	(type_hash_canon): Don't call obstack_free when GC'ing.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@29125 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 6 insertions, 0 deletions

diff --git a/gcc/ggc.h b/gcc/ggc.h
index 6967900cb8a..557ee064d79 100644
--- a/gcc/ggc.h
+++ b/gcc/ggc.h
@@ -23,6 +23,10 @@
 /* Symbols are marked with `ggc' for `gcc gc' so as not to interfere with
    an external gc library that might be linked in.  */
 
+/* Language-specific code defines this variable to be either one (if
+   it wants garbage collection), or zero (if it does not).  */
+extern int ggc_p;
+
 /* These structures are defined in various headers throughout the
    compiler.  However, rather than force everyone who includes this
    header to include all the headers in which they are declared, we
@@ -32,6 +36,7 @@ struct eh_status;
 struct emit_status;
 struct stmt_status;
 struct varasm_status;
+struct varray_head_tag;
 
 /* Startup */
 
@@ -54,6 +59,7 @@ void ggc_add_root PROTO ((void *base, int nelt, int size,
 			   void (*)(void *)));
 void ggc_add_rtx_root PROTO ((struct rtx_def **, int nelt));
 void ggc_add_tree_root PROTO ((union tree_node **, int nelt));
+void ggc_add_tree_varray_root PROTO ((struct varray_head_tag **, int nelt));
 void ggc_del_root PROTO ((void *base));
 
 /* Mark nodes from the gc_add_root callback.  */