diff options
Diffstat (limited to 'gcc/tree-loop-distribution.c')
| -rw-r--r-- | gcc/tree-loop-distribution.c | 44 |
1 files changed, 15 insertions, 29 deletions
diff --git a/gcc/tree-loop-distribution.c b/gcc/tree-loop-distribution.c index 007c4f3..357f51f 100644 --- a/gcc/tree-loop-distribution.c +++ b/gcc/tree-loop-distribution.c @@ -258,42 +258,27 @@ generate_memset_zero (gimple stmt, tree op0, tree nb_iter, if (!dr_analyze_innermost (dr)) goto end; - /* Test for a positive stride, iterating over every element. */ - if (integer_zerop (size_binop (MINUS_EXPR, - fold_convert (sizetype, DR_STEP (dr)), - TYPE_SIZE_UNIT (TREE_TYPE (op0))))) - { - addr_base = fold_convert_loc (loc, sizetype, - size_binop_loc (loc, PLUS_EXPR, - DR_OFFSET (dr), - DR_INIT (dr))); - addr_base = fold_build2_loc (loc, POINTER_PLUS_EXPR, - TREE_TYPE (DR_BASE_ADDRESS (dr)), - DR_BASE_ADDRESS (dr), addr_base); - - nb_bytes = build_size_arg_loc (loc, nb_iter, op0, &stmt_list); - } + if (!stride_of_unit_type_p (DR_STEP (dr), TREE_TYPE (op0))) + goto end; + + nb_bytes = build_size_arg_loc (loc, nb_iter, op0, &stmt_list); + addr_base = size_binop_loc (loc, PLUS_EXPR, DR_OFFSET (dr), DR_INIT (dr)); + addr_base = fold_convert_loc (loc, sizetype, addr_base); /* Test for a negative stride, iterating over every element. */ - else if (integer_zerop (size_binop (PLUS_EXPR, - TYPE_SIZE_UNIT (TREE_TYPE (op0)), - fold_convert (sizetype, DR_STEP (dr))))) + if (integer_zerop (size_binop (PLUS_EXPR, + TYPE_SIZE_UNIT (TREE_TYPE (op0)), + fold_convert (sizetype, DR_STEP (dr))))) { - nb_bytes = build_size_arg_loc (loc, nb_iter, op0, &stmt_list); - - addr_base = size_binop_loc (loc, PLUS_EXPR, DR_OFFSET (dr), DR_INIT (dr)); - addr_base = fold_convert_loc (loc, sizetype, addr_base); addr_base = size_binop_loc (loc, MINUS_EXPR, addr_base, fold_convert_loc (loc, sizetype, nb_bytes)); addr_base = size_binop_loc (loc, PLUS_EXPR, addr_base, TYPE_SIZE_UNIT (TREE_TYPE (op0))); - addr_base = fold_build2_loc (loc, POINTER_PLUS_EXPR, - TREE_TYPE (DR_BASE_ADDRESS (dr)), - DR_BASE_ADDRESS (dr), addr_base); } - else - goto end; + addr_base = fold_build2_loc (loc, POINTER_PLUS_EXPR, + TREE_TYPE (DR_BASE_ADDRESS (dr)), + DR_BASE_ADDRESS (dr), addr_base); mem = force_gimple_operand (addr_base, &stmts, true, NULL); gimple_seq_add_seq (&stmt_list, stmts); @@ -781,8 +766,9 @@ build_rdg_partition_for_component (struct graph *rdg, rdgc c, and determine those vertices that have some memory affinity with the current nodes in the component: these are stores to the same arrays, i.e. we're taking care of cache locality. */ - rdg_flag_similar_memory_accesses (rdg, partition, loops, processed, - other_stores); + if (!flag_tree_loop_distribute_patterns) + rdg_flag_similar_memory_accesses (rdg, partition, loops, processed, + other_stores); rdg_flag_loop_exits (rdg, loops, partition, processed, part_has_writes); |