gimple.c (walk_gimple_op): Do not request a pure rvalue on the RHS if the LHS is of a non-renamable type.
* gimple.c (walk_gimple_op) <GIMPLE_ASSIGN>: Do not request a pure
rvalue on the RHS if the LHS is of a non-renamable type.
* tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Fold result.
ada/
* gcc-interface/ada-tree.h (TYPE_BY_REFERENCE_P): Delete.
(DECL_CONST_ADDRESS_P): New macro.
(SET_DECL_ORIGINAL_FIELD_TO_FIELD): Likewise.
(SAME_FIELD_P): Likewise.
* gcc-interface/decl.c (constructor_address_p): New static function.
(gnat_to_gnu_entity) <object>: Set DECL_CONST_ADDRESS_P according to
the return value of above function.
(gnat_to_gnu_entity) <E_Record_Type>: Force BLKmode for all types
passed by reference.
<E_Record_Subtype>: Likewise.
Set TREE_ADDRESSABLE on the type if it passed by reference.
(make_packable_type): Use SET_DECL_ORIGINAL_FIELD_TO_FIELD.
(create_field_decl_from): Likewise.
(substitute_in_type): Likewise.
(purpose_member_field): Use SAME_FIELD_P.
* gcc-interface/misc.c (must_pass_by_ref): Test TREE_ADDRESSABLE.
* gcc-interface/trans.c (lvalue_required_p): Add ADDRESS_OF_CONSTANT
parameter and adjust recursive calls.
<N_Explicit_Dereference>: New case.
<N_Object_Declaration>: Return 1 if the object is of a class-wide type.
Adjust calls to lvalue_required_p. Do not return the initializer of a
DECL_CONST_ADDRESS_P constant if an lvalue is required for it.
(call_to_gnu): Delay issuing error message for a misaligned actual and
avoid the associated back-end assertion. Test TREE_ADDRESSABLE.
(gnat_gimplify_expr) <ADDR_EXPR>: Handle non-static constructors.
* gcc-interface/utils.c (make_dummy_type): Set TREE_ADDRESSABLE if the
type is passed by reference.
(convert) <CONSTRUCTOR>: Convert in-place in more cases.
* gcc-interface/utils2.c (build_cond_expr): Drop TYPE_BY_REFERENCE_P.
(build_simple_component_ref): Use SAME_FIELD_P.
From-SVN: r158254
