On Thu, Apr 2, 2020 at 9:15 AM Kewen.Lin <li...@linux.ibm.com> wrote: > > Hi, > > The commit r10-7415 brings scalar type consideration > to eliminate epilogue peeling for gaps, but it exposed > one problem that the current handling doesn't consider > the memory access type VMAT_CONTIGUOUS_REVERSE, for > which the overrun happens on low address side. This > patch is to make the code take care of it by updating > the offset and construction element order accordingly. > > Bootstrapped/regtested on powerpc64le-linux-gnu P8 > and aarch64-linux-gnu.
OK with the formatting changes suggested by Jakub. Richard. > BR, > Kewen > ----------- > gcc/ChangeLog > > 2020-04-02 Kewen Lin <li...@gcc.gnu.org> > > PR tree-optimization/94401 > * tree-vect-loop.c (vectorizable_load): Handle VMAT_CONTIGUOUS_REVERSE > access type when loading halves of vector to avoid peeling for gaps.
