diff options
Diffstat (limited to 'gcc/tree-vect-loop.cc')
| -rw-r--r-- | gcc/tree-vect-loop.cc | 76 |
1 files changed, 0 insertions, 76 deletions
diff --git a/gcc/tree-vect-loop.cc b/gcc/tree-vect-loop.cc index 1fb7bbd..242d5e2 100644 --- a/gcc/tree-vect-loop.cc +++ b/gcc/tree-vect-loop.cc @@ -2958,82 +2958,6 @@ start_over: "unsupported SLP instances\n"); goto again; } - - /* Check whether any load in ALL SLP instances is possibly permuted. */ - slp_tree load_node, slp_root; - unsigned i, x; - slp_instance instance; - bool can_use_lanes = true; - FOR_EACH_VEC_ELT (LOOP_VINFO_SLP_INSTANCES (loop_vinfo), x, instance) - { - slp_root = SLP_INSTANCE_TREE (instance); - int group_size = SLP_TREE_LANES (slp_root); - tree vectype = SLP_TREE_VECTYPE (slp_root); - bool loads_permuted = false; - FOR_EACH_VEC_ELT (SLP_INSTANCE_LOADS (instance), i, load_node) - { - if (!SLP_TREE_LOAD_PERMUTATION (load_node).exists ()) - continue; - unsigned j; - stmt_vec_info load_info; - FOR_EACH_VEC_ELT (SLP_TREE_SCALAR_STMTS (load_node), j, load_info) - if (SLP_TREE_LOAD_PERMUTATION (load_node)[j] != j) - { - loads_permuted = true; - break; - } - } - - /* If the loads and stores can be handled with load/store-lane - instructions record it and move on to the next instance. */ - if (loads_permuted - && SLP_INSTANCE_KIND (instance) == slp_inst_kind_store - && vect_store_lanes_supported (vectype, group_size, false) - != IFN_LAST) - { - FOR_EACH_VEC_ELT (SLP_INSTANCE_LOADS (instance), i, load_node) - if (STMT_VINFO_GROUPED_ACCESS - (SLP_TREE_REPRESENTATIVE (load_node))) - { - stmt_vec_info stmt_vinfo = DR_GROUP_FIRST_ELEMENT - (SLP_TREE_REPRESENTATIVE (load_node)); - /* Use SLP for strided accesses (or if we can't - load-lanes). */ - if (STMT_VINFO_STRIDED_P (stmt_vinfo) - || vect_load_lanes_supported - (STMT_VINFO_VECTYPE (stmt_vinfo), - DR_GROUP_SIZE (stmt_vinfo), false) == IFN_LAST) - break; - } - - can_use_lanes - = can_use_lanes && i == SLP_INSTANCE_LOADS (instance).length (); - - if (can_use_lanes && dump_enabled_p ()) - dump_printf_loc (MSG_NOTE, vect_location, - "SLP instance %p can use load/store-lanes\n", - (void *) instance); - } - else - { - can_use_lanes = false; - break; - } - } - - /* If all SLP instances can use load/store-lanes abort SLP and try again - with SLP disabled. */ - if (can_use_lanes) - { - ok = opt_result::failure_at (vect_location, - "Built SLP cancelled: can use " - "load/store-lanes\n"); - if (dump_enabled_p ()) - dump_printf_loc (MSG_MISSED_OPTIMIZATION, vect_location, - "Built SLP cancelled: all SLP instances support " - "load/store-lanes\n"); - goto again; - } } /* Dissolve SLP-only groups. */ |