From: Trevor Saunders <tbsaunde+...@tbsaunde.org> There's no point in calling release () on an auto_vec just before it goes out of scope.
gcc/ChangeLog: 2016-06-29 Trevor Saunders <tbsaunde+...@tbsaunde.org> * tree-data-ref.c (find_data_references_in_stmt): Remove unnecessary call to vec::release. (graphite_find_data_references_in_stmt): Likewise. * tree-ssa-alias.c (nonoverlapping_component_refs_of_decl_p): Likewise. * tree-vect-stmts.c (vectorizable_condition): Likewise. --- gcc/tree-data-ref.c | 3 +-- gcc/tree-ssa-alias.c | 21 +++++++-------------- gcc/tree-vect-stmts.c | 3 --- 3 files changed, 8 insertions(+), 19 deletions(-) diff --git a/gcc/tree-data-ref.c b/gcc/tree-data-ref.c index 1a7a2ea..acdaa2f 100644 --- a/gcc/tree-data-ref.c +++ b/gcc/tree-data-ref.c @@ -3999,7 +3999,7 @@ find_data_references_in_stmt (struct loop *nest, gimple *stmt, gcc_assert (dr != NULL); datarefs->safe_push (dr); } - references.release (); + return ret; } @@ -4029,7 +4029,6 @@ graphite_find_data_references_in_stmt (loop_p nest, loop_p loop, gimple *stmt, datarefs->safe_push (dr); } - references.release (); return ret; } diff --git a/gcc/tree-ssa-alias.c b/gcc/tree-ssa-alias.c index b663ddf..0ffa8c2 100644 --- a/gcc/tree-ssa-alias.c +++ b/gcc/tree-ssa-alias.c @@ -865,7 +865,7 @@ nonoverlapping_component_refs_of_decl_p (tree ref1, tree ref2) if (TREE_CODE (ref1) == MEM_REF) { if (!integer_zerop (TREE_OPERAND (ref1, 1))) - goto may_overlap; + return false; ref1 = TREE_OPERAND (TREE_OPERAND (ref1, 0), 0); } @@ -878,7 +878,7 @@ nonoverlapping_component_refs_of_decl_p (tree ref1, tree ref2) if (TREE_CODE (ref2) == MEM_REF) { if (!integer_zerop (TREE_OPERAND (ref2, 1))) - goto may_overlap; + return false; ref2 = TREE_OPERAND (TREE_OPERAND (ref2, 0), 0); } @@ -898,7 +898,7 @@ nonoverlapping_component_refs_of_decl_p (tree ref1, tree ref2) do { if (component_refs1.is_empty ()) - goto may_overlap; + return false; ref1 = component_refs1.pop (); } while (!RECORD_OR_UNION_TYPE_P (TREE_TYPE (TREE_OPERAND (ref1, 0)))); @@ -906,7 +906,7 @@ nonoverlapping_component_refs_of_decl_p (tree ref1, tree ref2) do { if (component_refs2.is_empty ()) - goto may_overlap; + return false; ref2 = component_refs2.pop (); } while (!RECORD_OR_UNION_TYPE_P (TREE_TYPE (TREE_OPERAND (ref2, 0)))); @@ -914,7 +914,7 @@ nonoverlapping_component_refs_of_decl_p (tree ref1, tree ref2) /* Beware of BIT_FIELD_REF. */ if (TREE_CODE (ref1) != COMPONENT_REF || TREE_CODE (ref2) != COMPONENT_REF) - goto may_overlap; + return false; tree field1 = TREE_OPERAND (ref1, 1); tree field2 = TREE_OPERAND (ref2, 1); @@ -927,21 +927,14 @@ nonoverlapping_component_refs_of_decl_p (tree ref1, tree ref2) /* We cannot disambiguate fields in a union or qualified union. */ if (type1 != type2 || TREE_CODE (type1) != RECORD_TYPE) - goto may_overlap; + return false; /* Different fields of the same record type cannot overlap. ??? Bitfields can overlap at RTL level so punt on them. */ if (field1 != field2) - { - component_refs1.release (); - component_refs2.release (); - return !(DECL_BIT_FIELD (field1) && DECL_BIT_FIELD (field2)); - } + return !(DECL_BIT_FIELD (field1) && DECL_BIT_FIELD (field2)); } -may_overlap: - component_refs1.release (); - component_refs2.release (); return false; } diff --git a/gcc/tree-vect-stmts.c b/gcc/tree-vect-stmts.c index 3281860..0238504 100644 --- a/gcc/tree-vect-stmts.c +++ b/gcc/tree-vect-stmts.c @@ -7614,9 +7614,6 @@ vectorizable_condition (gimple *stmt, gimple_stmt_iterator *gsi, if (!masked) vec_oprnds1 = vec_defs.pop (); vec_oprnds0 = vec_defs.pop (); - - ops.release (); - vec_defs.release (); } else { -- 2.7.4