On Wed, Dec 13, 2017 at 04:47:40PM +0000, Jeff Law wrote: > On 11/17/2017 03:02 PM, Richard Sandiford wrote: > > This patch tries to use gather loads for strided accesses, > > rather than falling back to VMAT_ELEMENTWISE. > > > > Tested on aarch64-linux-gnu (with and without SVE), x86_64-linux-gnu > > and powerpc64le-linux-gnu. OK to install? > > > > Richard > > > > > > 2017-11-17 Richard Sandiford <richard.sandif...@linaro.org> > > Alan Hayward <alan.hayw...@arm.com> > > David Sherwood <david.sherw...@arm.com> > > > > gcc/ > > * tree-vectorizer.h (vect_create_data_ref_ptr): Take an extra > > optional tree argument. > > * tree-vect-data-refs.c (vect_create_data_ref_ptr): Take the > > iv_step as an optional argument, but continue to use the current > > value as a fallback. > > (bump_vector_ptr): Use operand_equal_p rather than tree_int_cst_compare > > to compare the updates. > > * tree-vect-stmts.c (vect_use_strided_gather_scatters_p): New function. > > (get_load_store_type): Use it when handling a strided access. > > (vect_get_strided_load_store_ops): New function. > > (vect_get_data_ptr_increment): Likewise. > > (vectorizable_load): Handle strided gather loads. Always pass > > a step to vect_create_data_ref_ptr and bump_vector_ptr. > > > > gcc/testsuite/ > > * gcc.target/aarch64/sve_strided_load_1.c: New test. > > * gcc.target/aarch64/sve_strided_load_2.c: Likewise. > > * gcc.target/aarch64/sve_strided_load_3.c: Likewise. > OK. > jeff
The AArch64 tests are OK. Thanks, James
