include:
Allow the user to specify functions for allocating memory for
splay tree roots and nodes.
* splay-tree.h (splay_tree_allocate_fn, splay_tree_deallocate_fn):
New types.
(splay_tree): New fields: `allocate', `deallocate', and
`allocate_data'.
(splay_tree_new_with_allocator): New function declaration.
libiberty:
* splay-tree.c (splay_tree_xmalloc_allocate,
splay_tree_xmalloc_deallocate): New functions.
(splay_tree_new): Call splay_tree_new_with_allocator, passing the
above functions and a dummy data pointer.
(splay_tree_new_with_allocator): New function.
(splay_tree_delete_helper, splay_tree_delete, splay_tree_insert,
splay_tree_remove): Use the splay tree's allocation and
deallocation functions.
From-SVN: r49968
* splay-tree.h (struct splay_tree_node): Rename to ...
(struct splay_tree_node_s): ... this.
(struct splay_tree): Rename to ...
(struct splay_tree_s): ... this.
* splay-tree.c (splay_tree_new): Use struct splay_tree_node_s
rather than struct splay_tree_node.
(splay_tree_insert): Use struct splay_tree_s rather than struct
splay_tree.
From-SVN: r30790
* alias.c (alias_set_compare): Remove.
(record_alias_subset): Use splay_tree_compare_ints instaed of
alias_set_compare.
(init_alias_once): Likewise.
* cse.c: Include splay-tree.h.
(reg_qty): Remove.
(reg_tick): Likewise.
(reg_table): Likewise.
(cse_reg_info): New structure.
(cse_reg_info_free_list): New variable.
(cse_reg_info_tree): Likewise.
(cached_regno): Likewise.
(cached_cse_reg_info): Likewise.
(all_minus_one): Remove.
(consec_ints): Likewise.
(GET_CSE_REG_INFO): New macro.
(REG_TICK): Likewise. Use throughout instead of reg_tick.
(REG_IN_TABLE): Likewise. Use throughout instead of reg_in_table.
(REG_QTY): Likewise. Use throughout instead of reg_qty.
(get_cse_reg_info): New function.
(free_cse_reg_info): Likewise.
(new_basic_block): Reinitialize cse_reg_info_tree instead of
reg_tick, all_minus_one, and consec_ints.
* Makefile.in (cse.o): Depend on splay-tree.h
* splay-tree.h (splay_tree_compare_ints): Declare.
* splay-tree.c (splay_tree_compare_ints): Define.
From-SVN: r26069
