diff options
Diffstat (limited to 'gcc/tree-ssa-operands.c')
-rw-r--r-- | gcc/tree-ssa-operands.c | 45 |
1 files changed, 3 insertions, 42 deletions
diff --git a/gcc/tree-ssa-operands.c b/gcc/tree-ssa-operands.c index 41046c7..674e9ce 100644 --- a/gcc/tree-ssa-operands.c +++ b/gcc/tree-ssa-operands.c @@ -127,9 +127,6 @@ bool ssa_ro_call_cache_valid; static VEC(tree,heap) *clobbered_v_may_defs; static VEC(tree,heap) *clobbered_vuses; static VEC(tree,heap) *ro_call_vuses; -static bool clobbered_aliased_loads; -static bool clobbered_aliased_stores; -static bool ro_call_aliased_loads; static bool ops_active = false; static GTY (()) struct ssa_operand_memory_d *operand_memory = NULL; @@ -798,14 +795,9 @@ build_ssa_operands (tree stmt) { stmt_ann_t ann = get_stmt_ann (stmt); - /* Initially assume that the statement has no volatile operands, nor - makes aliased loads or stores. */ + /* Initially assume that the statement has no volatile operands. */ if (ann) - { - ann->has_volatile_ops = false; - ann->makes_aliased_stores = false; - ann->makes_aliased_loads = false; - } + ann->has_volatile_ops = false; start_ssa_stmt_operands (); @@ -1643,11 +1635,7 @@ add_stmt_operand (tree *var_p, stmt_ann_t s_ann, int flags) } } else - { - append_vuse (var); - if (s_ann && v_ann->is_alias_tag) - s_ann->makes_aliased_loads = 1; - } + append_vuse (var); } else { @@ -1668,9 +1656,6 @@ add_stmt_operand (tree *var_p, stmt_ann_t s_ann, int flags) for (i = 0; i < VARRAY_ACTIVE_SIZE (aliases); i++) append_v_may_def (VARRAY_TREE (aliases, i)); - - if (s_ann) - s_ann->makes_aliased_stores = 1; } else { @@ -1681,9 +1666,6 @@ add_stmt_operand (tree *var_p, stmt_ann_t s_ann, int flags) for (i = 0; i < VARRAY_ACTIVE_SIZE (aliases); i++) append_vuse (VARRAY_TREE (aliases, i)); - - if (s_ann) - s_ann->makes_aliased_loads = 1; } } } @@ -1792,11 +1774,6 @@ add_call_clobber_ops (tree stmt, tree callee) var_ann (t)->in_v_may_def_list = 1; VEC_safe_push (tree, heap, build_v_may_defs, (tree)t); } - if (s_ann) - { - s_ann->makes_aliased_loads = clobbered_aliased_loads; - s_ann->makes_aliased_stores = clobbered_aliased_stores; - } return; } @@ -1828,16 +1805,6 @@ add_call_clobber_ops (tree stmt, tree callee) if ((!not_read_b || bitmap_empty_p (not_read_b)) && (!not_written_b || bitmap_empty_p (not_written_b))) { - clobbered_aliased_loads = empty_ann.makes_aliased_loads; - clobbered_aliased_stores = empty_ann.makes_aliased_stores; - - /* Set the flags for a stmt's annotation. */ - if (s_ann) - { - s_ann->makes_aliased_loads = empty_ann.makes_aliased_loads; - s_ann->makes_aliased_stores = empty_ann.makes_aliased_stores; - } - /* Prepare empty cache vectors. */ VEC_truncate (tree, clobbered_vuses, 0); VEC_truncate (tree, clobbered_v_may_defs, 0); @@ -1893,8 +1860,6 @@ add_call_read_ops (tree stmt) var_ann (t)->in_vuse_list = 1; VEC_safe_push (tree, heap, build_vuses, (tree)t); } - if (s_ann) - s_ann->makes_aliased_loads = ro_call_aliased_loads; return; } @@ -1907,10 +1872,6 @@ add_call_read_ops (tree stmt) add_stmt_operand (&var, &empty_ann, opf_none | opf_non_specific); } - ro_call_aliased_loads = empty_ann.makes_aliased_loads; - if (s_ann) - s_ann->makes_aliased_loads = empty_ann.makes_aliased_loads; - /* Prepare empty cache vectors. */ VEC_truncate (tree, ro_call_vuses, 0); |