aboutsummaryrefslogtreecommitdiff
path: root/gcc
diff options
context:
space:
mode:
Diffstat (limited to 'gcc')
-rw-r--r--gcc/ChangeLog5
-rw-r--r--gcc/params.def5
2 files changed, 8 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index a90ec55..effbb41 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,10 @@
2012-08-17 Richard Guenther <rguenther@suse.de>
+ * params.def (integer-share-limit): Decrease from 256 to 251,
+ add rationale.
+
+2012-08-17 Richard Guenther <rguenther@suse.de>
+
* tree-sra.c (modify_function): Free redirect_callers vector.
* ipa-split.c (split_function): Free args_to_pass vector.
* tree-vect-data-refs.c (vect_peeling_hash_get_lowest_cost): Free
diff --git a/gcc/params.def b/gcc/params.def
index efa6860..cd8cb22 100644
--- a/gcc/params.def
+++ b/gcc/params.def
@@ -638,11 +638,12 @@ DEFPARAM(PARAM_MAX_LAST_VALUE_RTL,
/* INTEGER_CST nodes are shared for values [{-1,0} .. N) for
{signed,unsigned} integral types. This determines N.
- Experimentation shows 256 to be a good value. */
+ Experimentation shows 251 to be a good value that generates the
+ least amount of garbage for allocating the TREE_VEC storage. */
DEFPARAM (PARAM_INTEGER_SHARE_LIMIT,
"integer-share-limit",
"The upper bound for sharing integer constants",
- 256, 2, 2)
+ 251, 2, 2)
DEFPARAM (PARAM_SSP_BUFFER_SIZE,
"ssp-buffer-size",