diff options
Diffstat (limited to 'gcc/tree-vect-loop.cc')
| -rw-r--r-- | gcc/tree-vect-loop.cc | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/gcc/tree-vect-loop.cc b/gcc/tree-vect-loop.cc index 1836037..df45adb 100644 --- a/gcc/tree-vect-loop.cc +++ b/gcc/tree-vect-loop.cc @@ -7177,6 +7177,15 @@ vectorizable_reduction (loop_vec_info loop_vinfo, tree vectype_out = SLP_TREE_VECTYPE (slp_for_stmt_info); VECT_REDUC_INFO_VECTYPE (reduc_info) = vectype_out; + /* We do not handle mask reductions correctly in the epilogue. */ + if (VECTOR_BOOLEAN_TYPE_P (vectype_out)) + { + if (dump_enabled_p ()) + dump_printf_loc (MSG_MISSED_OPTIMIZATION, vect_location, + "mask reduction not supported.\n"); + return false; + } + gimple_match_op op; if (!gimple_extract_op (stmt_info->stmt, &op)) gcc_unreachable (); @@ -7187,7 +7196,10 @@ vectorizable_reduction (loop_vec_info loop_vinfo, return false; /* Do not try to vectorize bit-precision reductions. */ - if (!type_has_mode_precision_p (op.type)) + if (!type_has_mode_precision_p (op.type) + && op.code != BIT_AND_EXPR + && op.code != BIT_IOR_EXPR + && op.code != BIT_XOR_EXPR) return false; /* Lane-reducing ops also never can be used in a SLP reduction group |