On Wed, 8 Feb 2012, Jack Howarth wrote: > Currently PR49536 still exists in gcc-4_6-branch. The following > patch backports r175475 for the gcc 4.6.3 release. This will be helpful > to dragonegg users (http://llvm.org/bugs/show_bug.cgi?id=10042) as > dragonegg currently doesn't build against FSF gcc trunk yet. Regression > tested on x86_64-apple-darwin11... > > http://gcc.gnu.org/ml/gcc-testresults/2012-02/msg00599.html > > Okay for gcc-4_6-branch and thus gcc 4.6.3? > Jack
Ok. Thanks, Richard. > 2012-02-08 Jack Howarth <howa...@bromo.med.uc.edu> > > Backport from mainline > 2011-06-27 Richard Guenther <rguent...@suse.de> > > PR tree-optimization/49536 > * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size): > For non-scalar inner types use a scalar type according to > the scalar inner mode. > > Index: gcc/tree-vect-stmts.c > =================================================================== > --- gcc/tree-vect-stmts.c (revision 183938) > +++ gcc/tree-vect-stmts.c (working copy) > @@ -5117,6 +5117,15 @@ get_vectype_for_scalar_type_and_size (tr > && GET_MODE_CLASS (inner_mode) != MODE_FLOAT) > return NULL_TREE; > > + /* We shouldn't end up building VECTOR_TYPEs of non-scalar components. > + When the component mode passes the above test simply use a type > + corresponding to that mode. The theory is that any use that > + would cause problems with this will disable vectorization anyway. */ > + if (!SCALAR_FLOAT_TYPE_P (scalar_type) > + && !INTEGRAL_TYPE_P (scalar_type) > + && !POINTER_TYPE_P (scalar_type)) > + scalar_type = lang_hooks.types.type_for_mode (inner_mode, 1); > + > /* If no size was supplied use the mode the target prefers. Otherwise > lookup a vector mode of the specified size. */ > if (size == 0) > > -- Richard Guenther <rguent...@suse.de> SUSE / SUSE Labs SUSE LINUX Products GmbH - Nuernberg - AG Nuernberg - HRB 16746 GF: Jeff Hawn, Jennifer Guild, Felix Imendörffer
