3355aa3e72
2007-08-14 Olivier Hainque <hainque@adacore.com>
Eric Botcazou <ebotcazou@adacore.com>
* targtyps.c (get_target_maximum_default_alignment): New function.
Maximum alignment
that the compiler might choose by default for a type or object.
(get_target_default_allocator_alignment): New function. Alignment known
to be honored by the target default allocator.
(get_target_maximum_allowed_alignment): New function. Maximum alignment
we might accept for any type or object on the target.
(get_target_maximum_alignment): Now synonym of maximum_default_alignment
* gigi.h (get_target_maximum_default_alignment): Declare new function.
(get_target_default_allocator_alignment): Likewise.
(get_target_maximum_allowed_alignment): Likewise.
PR ada/19037
* decl.c (gnat_to_gnu_entity) <object>: Except for the renaming of the
result of a function call, first try to use a stabilized reference for
a constant renaming too.
(validate_alignment): Use target_maximum_allowed_alignment instead of
MAX_OFILE_ALIGNMENT as the upper bound to what we accept.
(gnat_to_gnu_entity): Use common nodes directly.
(gnat_to_gnu_entity) <object>: Pick the values of the type to annotate
alignment and size for the object.
(lvalue_required_p): Handle N_Parameter_Association like N_Function_Call
and N_Procedure_Call_Statement.
(takes_address): Rename to lvalue_required_p, add third parameter
'aliased' and adjust recursive calls.
<N_Indexed_Component>: Update 'aliased' from the array type.
<N_Selected_Component>: New case.
<N_Object_Renaming_Declaration>: New Likewise.
(Identifier_to_gnu): Adjust for above changes.
(maybe_stabilize_reference) <CONST_DECL>: New case.
* utils2.c (build_binary_op) <ARRAY_RANGE_REF>: Look through conversion
between type variants.
(build_simple_component_ref): Likewise.
(build_call_alloc_dealloc): Use target_default_allocator_alignment
instead of BIGGEST_ALIGNMENT as the threshold to trigger the super
aligning type circuitry for allocations from the default storage pool.
(build_allocator): Likewise.
(build_simple_component_ref): Manually fold the reference for a
constructor if the record type contains a template.
* utils.c (value_zerop): Delete.
(gnat_init_decl_processing): Emit debug info for common types.
(rest_of_record_type_compilation): If a union contains a field
with a non-constant qualifier, treat it as variable-sized.
(finish_record_type): Give the stub TYPE_DECL a name.
(rest_of_record_type_compilation): Likewise.
(convert) <CONSTRUCTOR>: New case. Build a new constructor if
types are equivalent array types.
(create_field_decl): Claim fields of any ARRAY_TYPE are addressable,
even if the type is not passed by reference.
(static_ctors, static_dtors): Delete.
(end_subprog_body): Do not record constructors and destructors.
(build_global_cdtor): Delete.
(gnat_write_global_declarations): Do not call build_global_cdtor.
* lang-specs.h: If TARGET_VXWORKS_RTP is defined, append -mrtp when
-fRTS=rtp is specified.
If CONFIG_DUAL_EXCEPTIONS is 1, append -fsjlj when -fRTS=sjlj is
specified.
* misc.c (gnat_init_gcc_eh): Use __gnat_eh_personality_sj for the name
of the personality function with SJLJ exceptions.
* raise-gcc.c (PERSONALITY_FUNCTION): Use __gnat_eh_personality_sj for
the name of the personality function with SJLJ exceptions.
From-SVN: r127422
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