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-rw-r--r--gcc/ChangeLog5
-rw-r--r--gcc/df-scan.c4
2 files changed, 7 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 7d63d05..3ff410a 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2012-05-22 Dimitrios Apostolou <jimis@gmx.net>
+
+ * df-scan.c (df_scan_alloc): Round up allocation pools size, reduce
+ the mw_reg_pool size.
+
2012-05-22 Paolo Bonzini <bonzini@gnu.org>
PR tree-optimization/53336
diff --git a/gcc/df-scan.c b/gcc/df-scan.c
index 39f444f..730742a 100644
--- a/gcc/df-scan.c
+++ b/gcc/df-scan.c
@@ -318,7 +318,7 @@ df_scan_alloc (bitmap all_blocks ATTRIBUTE_UNUSED)
{
struct df_scan_problem_data *problem_data;
unsigned int insn_num = get_max_uid () + 1;
- unsigned int block_size = 400;
+ unsigned int block_size = 512;
basic_block bb;
/* Given the number of pools, this is really faster than tearing
@@ -347,7 +347,7 @@ df_scan_alloc (bitmap all_blocks ATTRIBUTE_UNUSED)
sizeof (struct df_reg_info), block_size);
problem_data->mw_reg_pool
= create_alloc_pool ("df_scan mw_reg",
- sizeof (struct df_mw_hardreg), block_size);
+ sizeof (struct df_mw_hardreg), block_size / 16);
bitmap_obstack_initialize (&problem_data->reg_bitmaps);
bitmap_obstack_initialize (&problem_data->insn_bitmaps);