On 05/27/2015 07:51 PM, Jeff Law wrote:
On 05/27/2015 07:56 AM, mliska wrote:
gcc/ChangeLog:
2015-04-30 Martin Liska <mli...@suse.cz>
* ira-color.c (init_update_cost_records):Use new type-based pool allocator.
(get_update_cost_record) Likewise.
(free_update_cost_record_list) Likewise.
(finish_update_cost_records) Likewise.
(initiate_cost_update) Likewise.
OK.
jeff
v2
>From b2142d4d3939a81405f562a0970f7223069f130f Mon Sep 17 00:00:00 2001
From: mliska <mli...@suse.cz>
Date: Wed, 27 May 2015 15:56:46 +0200
Subject: [PATCH 05/32] Change use to type-based pool allocator in ira-color.c.
gcc/ChangeLog:
2015-04-30 Martin Liska <mli...@suse.cz>
* ira-color.c (init_update_cost_records):Use new type-based pool allocator.
(get_update_cost_record) Likewise.
(free_update_cost_record_list) Likewise.
(finish_update_cost_records) Likewise.
(initiate_cost_update) Likewise.
---
gcc/ira-color.c | 34 ++++++++++++++++++++--------------
1 file changed, 20 insertions(+), 14 deletions(-)
diff --git a/gcc/ira-color.c b/gcc/ira-color.c
index 4750714..543440d 100644
--- a/gcc/ira-color.c
+++ b/gcc/ira-color.c
@@ -123,6 +123,21 @@ struct update_cost_record
int divisor;
/* Next record for given allocno. */
struct update_cost_record *next;
+
+ /* Pool allocation new operator. */
+ inline void *operator new (size_t)
+ {
+ return pool.allocate ();
+ }
+
+ /* Delete operator utilizing pool allocation. */
+ inline void operator delete (void *ptr)
+ {
+ pool.remove ((update_cost_record *) ptr);
+ }
+
+ /* Memory allocation pool. */
+ static pool_allocator<update_cost_record> pool;
};
/* To decrease footprint of ira_allocno structure we store all data
@@ -1166,16 +1181,8 @@ setup_profitable_hard_regs (void)
allocnos. */
/* Pool for update cost records. */
-static alloc_pool update_cost_record_pool;
-
-/* Initiate update cost records. */
-static void
-init_update_cost_records (void)
-{
- update_cost_record_pool
- = create_alloc_pool ("update cost records",
- sizeof (struct update_cost_record), 100);
-}
+static pool_allocator<update_cost_record> update_cost_record_pool
+ ("update cost records", 100);
/* Return new update cost record with given params. */
static struct update_cost_record *
@@ -1184,7 +1191,7 @@ get_update_cost_record (int hard_regno, int divisor,
{
struct update_cost_record *record;
- record = (struct update_cost_record *) pool_alloc (update_cost_record_pool);
+ record = update_cost_record_pool.allocate ();
record->hard_regno = hard_regno;
record->divisor = divisor;
record->next = next;
@@ -1200,7 +1207,7 @@ free_update_cost_record_list (struct update_cost_record *list)
while (list != NULL)
{
next = list->next;
- pool_free (update_cost_record_pool, list);
+ update_cost_record_pool.remove (list);
list = next;
}
}
@@ -1209,7 +1216,7 @@ free_update_cost_record_list (struct update_cost_record *list)
static void
finish_update_cost_records (void)
{
- free_alloc_pool (update_cost_record_pool);
+ update_cost_record_pool.release ();
}
/* Array whose element value is TRUE if the corresponding hard
@@ -1264,7 +1271,6 @@ initiate_cost_update (void)
= (struct update_cost_queue_elem *) ira_allocate (size);
memset (update_cost_queue_elems, 0, size);
update_cost_check = 0;
- init_update_cost_records ();
}
/* Deallocate data used by function update_costs_from_copies. */
--
2.1.4
