* ggc.h (struct ggc_statistics): New type.
(ggc_get_size): New function.
(ggc_print_statistics): Likewise.
* ggc-common.c (ggc_stats): New variable.
(ggc_mark_rtx_children): Keep statistics.
(ggc_mark_tree_children): Likewise.
(ggc_print_statistics): New function.
* ggc-page.c (struct globals): Add bytes_mapped field.
(alloc_anon): Update it.
(release_pages): Likewise.
(ggc_get_size): New function.
(ggc_page_print_statistics): New function.
* ggc-simple.c (ggc_get_size): New function.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@30251
138bc75d-0d04-0410-961f-
82ee72b054a4