* statistics.h (ALONE_PASS_MEM_STAT, ALONE_MEM_STAT_INFO,
ALONE_MEM_STAT_DECL): New macros.
* bitmap.h: Include statistics.h
(struct bitmap_head_def): Add variant with pointer to bitmap descriptor.
(bitmap_initialize_stat): Rename from bitmap_initialize; add statistics.
(bitmap_obstack_alloc_stat, bitmap_gc_alloc_stat): Declare.
* bitmap.c: Include hashtab.h
(bitmap_descriptor): New.
(bitmap_hash): New static variable
(hash_descriptor, eq_descriptor, bitmap_descriptor, register_overhead):
New static functions.
(bitmap_register): New.
(bitmap_element_free, bitmap_element_allocate, bitmap_elt_clear_from,
bitmap_obstack_release): Do accounting.
(bitmap_obstack_alloc_stat): Rename from bitmap_obstack_alloc ; do
accounting.
(bitmap_gc_alloc_stat): Likewise.
(bitmap_obstack_free, bitmap_find_bit): Do statictics.
(print_statistics, dump_bitmap_statistics): New functions.
* toplev.c (finalize): Dump bitmap statistics.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@119573
138bc75d-0d04-0410-961f-
82ee72b054a4