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.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@227817 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 6 insertions, 8 deletions

diff --git a/gcc/df-scan.c b/gcc/df-scan.c
index 259c9591307..eea93df1a31 100644
--- a/gcc/df-scan.c
+++ b/gcc/df-scan.c
@@ -133,8 +133,6 @@ static const unsigned int copy_all = copy_defs | copy_uses | copy_eq_uses
    it gets run.  It also has no need for the iterative solver.
 ----------------------------------------------------------------------------*/
 
-#define SCAN_PROBLEM_DATA_BLOCK_SIZE 512
-
 /* Problem data for the scanning dataflow function.  */
 struct df_scan_problem_data
 {
@@ -253,17 +251,17 @@ df_scan_alloc (bitmap all_blocks ATTRIBUTE_UNUSED)
   df_scan->computed = true;
 
   problem_data->ref_base_pool = new object_allocator<df_base_ref>
-    ("df_scan ref base", SCAN_PROBLEM_DATA_BLOCK_SIZE);
+    ("df_scan ref base");
   problem_data->ref_artificial_pool = new object_allocator<df_artificial_ref>
-    ("df_scan ref artificial", SCAN_PROBLEM_DATA_BLOCK_SIZE);
+    ("df_scan ref artificial");
   problem_data->ref_regular_pool = new object_allocator<df_regular_ref>
-    ("df_scan ref regular", SCAN_PROBLEM_DATA_BLOCK_SIZE);
+    ("df_scan ref regular");
   problem_data->insn_pool = new object_allocator<df_insn_info>
-    ("df_scan insn", SCAN_PROBLEM_DATA_BLOCK_SIZE);
+    ("df_scan insn");
   problem_data->reg_pool = new object_allocator<df_reg_info>
-    ("df_scan reg", SCAN_PROBLEM_DATA_BLOCK_SIZE);
+    ("df_scan reg");
   problem_data->mw_reg_pool = new object_allocator<df_mw_hardreg>
-    ("df_scan mw_reg", SCAN_PROBLEM_DATA_BLOCK_SIZE / 16);
+    ("df_scan mw_reg");
 
   bitmap_obstack_initialize (&problem_data->reg_bitmaps);
   bitmap_obstack_initialize (&problem_data->insn_bitmaps);