diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/tree-vect-data-refs.cc | 37 |
1 files changed, 3 insertions, 34 deletions
diff --git a/gcc/tree-vect-data-refs.cc b/gcc/tree-vect-data-refs.cc index 4db0ec8..a9d4aae 100644 --- a/gcc/tree-vect-data-refs.cc +++ b/gcc/tree-vect-data-refs.cc @@ -6536,7 +6536,7 @@ vect_supportable_dr_alignment (vec_info *vinfo, dr_vec_info *dr_info, tree vectype, int misalignment, gather_scatter_info *gs_info) { - data_reference *dr = dr_info ? dr_info->dr : nullptr; + data_reference *dr = dr_info->dr; stmt_vec_info stmt_info = dr_info->stmt; machine_mode mode = TYPE_MODE (vectype); loop_vec_info loop_vinfo = dyn_cast <loop_vec_info> (vinfo); @@ -6617,7 +6617,7 @@ vect_supportable_dr_alignment (vec_info *vinfo, dr_vec_info *dr_info, } } */ - if (dr && DR_IS_READ (dr)) + if (DR_IS_READ (dr)) { if (can_implement_p (vec_realign_load_optab, mode) && (!targetm.vectorize.builtin_mask_for_load @@ -6647,38 +6647,7 @@ vect_supportable_dr_alignment (vec_info *vinfo, dr_vec_info *dr_info, tree type = TREE_TYPE (DR_REF (dr)); bool is_gather_scatter = gs_info != nullptr; if (misalignment == DR_MISALIGNMENT_UNKNOWN) - { - if (!is_gather_scatter || dr != nullptr) - is_packed = not_size_aligned (DR_REF (dr)); - else - { - /* Gather-scatter accesses normally perform only component accesses - so alignment is irrelevant for them. Targets like riscv do care - about scalar alignment in vector accesses, though, so check scalar - alignment here. We determined the alias pointer as well as the - base alignment during pattern recognition and can re-use it here. - - As we do not have an analyzed dataref we only know the alignment - of the reference itself and nothing about init, steps, etc. - For now don't try harder to determine misalignment and - just assume it is unknown. We consider the type packed if its - scalar alignment is lower than the natural alignment of a vector - element's type. */ - - gcc_assert (!GATHER_SCATTER_LEGACY_P (*gs_info)); - gcc_assert (dr == nullptr); - - tree inner_vectype = TREE_TYPE (vectype); - - unsigned HOST_WIDE_INT scalar_align - = tree_to_uhwi (gs_info->alias_ptr); - unsigned HOST_WIDE_INT inner_vectype_sz - = tree_to_uhwi (TYPE_SIZE (inner_vectype)); - - bool is_misaligned = scalar_align < inner_vectype_sz; - is_packed = scalar_align > 1 && is_misaligned; - } - } + is_packed = not_size_aligned (DR_REF (dr)); if (targetm.vectorize.support_vector_misalignment (mode, type, misalignment, is_packed, is_gather_scatter)) |