Share memory blocks between pool allocators

gcc/
	* Makefile.in: Add memory-block.cc
	(pool_allocator::initialize): Use fixed block size.
	(pool_allocator::release): Use memory_block_pool.
	(pool_allocator::allocate): Likewise.
	* asan.c (asan_mem_ref_pool): Adjust to use common block size in all
	object pools.
	* cfg.c (initialize_original_copy_tables): Likewise.
	* cselib.c (elt_list_pool, elt_loc_list_pool,
	cselib_val_pool): Likewise.
	* df-problems.c (df_chain_alloc): Likewise.
	* df-scan.c (df_scan_alloc): Likewise.
	* dse.c (cse_store_info_pool, rtx_store_info_pool,
	read_info_type_pool, insn_info_type_pool, bb_info_pool,
	group_info_pool, deferred_change_pool): Likewise.
	* et-forest.c (et_nodes, et_occurrences): Likewise.
	* ipa-cp.c (ipcp_cst_values_pool, ipcp_sources_pool,
	ipcp_agg_lattice_pool): Likewise.
	* ipa-inline-analysis.c (edge_predicate_pool): Likewise.
	* ipa-profile.c (histogram_pool): Likewise.
	* ipa-prop.c (ipa_refdesc_pool): Likewise.
	* ira-build.c (live_range_pool, allocno_pool, object_pool,
	initiate_cost_vectors, pref_pool, copy_pool): Likewise.
	* ira-color.c (update_cost_record_pool): Likewise.
	* lra-lives.c (lra_live_range_pool): Likewise.
	* lra.c (lra_insn_reg_pool, lra_copy_pool): Likewise.
	* memory-block.cc: New file.
	* memory-block.h: New file.
	* regcprop.c (queued_debug_insn_change_pool): Use common block size.
	* sched-deps.c (sched_deps_init): Likewise.
	* sel-sched-ir.c (sched_lists_pool): Likewise.
	* stmt.c (expand_case, expand_sjlj_dispatch_table): Likewise.
	* tree-sra.c (access_pool): Likewise.
	* tree-ssa-math-opts.c (pass_cse_reciprocals::execute): Likewise.
	* tree-ssa-pre.c (pre_expr_pool, bitmap_set_pool): Likewise.
	* tree-ssa-reassoc.c (operand_entry_pool): Likewise.
	* tree-ssa-sccvn.c (allocate_vn_table): Likewise.
	* tree-ssa-strlen.c (strinfo_pool): Likewise.
	* tree-ssa-structalias.c (variable_info_pool): Likewise.
	* var-tracking.c (attrs_def_pool, var_pool, valvar_pool,
	location_chain_pool, shared_hash_pool, loc_exp_dep_pool): Likewise.

gcc/c-family/
	* c-format.c (check_format_arg): Adjust to use common block size in all
	object pools.

From-SVN: r227817

1 files changed, 2 insertions, 3 deletions

diff --git a/gcc/stmt.c b/gcc/stmt.c
index 9d33cbe..134d78e 100644
--- a/gcc/stmt.c
+++ b/gcc/stmt.c
@@ -1138,7 +1138,7 @@ expand_case (gswitch *stmt)
   struct case_node *case_list = 0;
 
   /* A pool for case nodes.  */
-  object_allocator<case_node> case_node_pool ("struct case_node pool", 100);
+  object_allocator<case_node> case_node_pool ("struct case_node pool");
 
   /* An ERROR_MARK occurs for various reasons including invalid data type.
      ??? Can this still happen, with GIMPLE and all?  */
@@ -1314,8 +1314,7 @@ expand_sjlj_dispatch_table (rtx dispatch_index,
     {
       /* Similar to expand_case, but much simpler.  */
       struct case_node *case_list = 0;
-      object_allocator<case_node> case_node_pool ("struct sjlj_case pool",
-						ncases);
+      object_allocator<case_node> case_node_pool ("struct sjlj_case pool");
       tree index_expr = make_tree (index_type, dispatch_index);
       tree minval = build_int_cst (index_type, 0);
       tree maxval = CASE_LOW (dispatch_table.last ());