Robin Dapp <rd...@linux.ibm.com> writes: > Hi Richard, > >> I think it would be better to fold this into the existing documentation >> a bit more: > [..] > > done. > > Fixed the remaining nits in the attached v5. > > Bootstrap and regtest are good on s390x, Power9 and i386. > > Regards > Robin > > -- > > gcc/ChangeLog: > > * config/rs6000/vsx.md: Use const0 bias predicate. > * doc/md.texi: Document bias value. > * internal-fn.c (expand_partial_load_optab_fn): Add bias. > (expand_partial_store_optab_fn): Likewise. > (internal_len_load_store_bias): New function. > * internal-fn.h (VECT_PARTIAL_BIAS_UNSUPPORTED): New define. > (internal_len_load_store_bias): New function. > * tree-vect-loop-manip.c (vect_set_loop_controls_directly): Set > bias. > (vect_set_loop_condition_partial_vectors): Add header_seq parameter. > * tree-vect-loop.c (vect_verify_loop_lens): Verify bias. > (vect_estimate_min_profitable_iters): Account for bias. > (vect_get_loop_len): Add bias-adjusted length. > * tree-vect-stmts.c (vectorizable_store): Use. > (vectorizable_load): Use. > * tree-vectorizer.h (struct rgroup_controls): Add bias-adjusted > length. > (LOOP_VINFO_PARTIAL_LOAD_STORE_BIAS): New macro.
OK, thanks! Richard