| Message ID | 20110808030018.186602040A@guozhiwei.sha.corp.google.com |
|---|---|
| State | New |
| Headers | show |
ping On Mon, Aug 8, 2011 at 11:00 AM, Guozhi Wei <carrot@google.com> wrote: > > 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 <carrot@google.com> > > Backport r174965 from trunk. > > 2011-06-12 Ira Rosen <ira.rosen@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
On Sun, Aug 7, 2011 at 23:00, Guozhi Wei <carrot@google.com> wrote: > 2011-08-08 Guozhi Wei <carrot@google.com> > > Backport r174965 from trunk. > > 2011-06-12 Ira Rosen <ira.rosen@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. OK. Diego.
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;