Hi
I want to backport r174965 from trunk to google/gcc-4_6, which fixed vect-72.c
failure in target arm, as described in
http://gcc.gnu.org/ml/gcc-patches/2011-06/msg00927.html
Tested with buildit and regression test on arm qemu.
OK for google/gcc-4_6 ?
thanks
Carrot
2011-08-08 Guozhi Wei <car...@google.com>
Backport r174965 from trunk.
2011-06-12 Ira Rosen <ira.ro...@linaro.org>
* tree-vect-data-refs.c (vect_peeling_hash_get_most_frequent):
Take number of iterations to peel into account for equally
frequent
misalignment values.
Index: tree-vect-data-refs.c
===================================================================
--- tree-vect-data-refs.c (revision 177320)
+++ tree-vect-data-refs.c (working copy)
@@ -1250,7 +1250,9 @@ vect_peeling_hash_get_most_frequent (voi
vect_peel_info elem = (vect_peel_info) *slot;
vect_peel_extended_info max = (vect_peel_extended_info) data;
- if (elem->count > max->peel_info.count)
+ if (elem->count > max->peel_info.count
+ || (elem->count == max->peel_info.count
+ && max->peel_info.npeel > elem->npeel))
{
max->peel_info.npeel = elem->npeel;
max->peel_info.count = elem->count;
--
This patch is available for review at http://codereview.appspot.com/4852046
