* dbxout.c (dbxout_range_type): Add LOW and HIGH parameters. Use them
for bounds.
(print_int_cst_bounds_in_octal_p): Likewise.
(dbxout_type): Adjust calls to above functions. Be prepared to deal
with subtypes.
* dwarf2out.c (base_type_die): Likewise.
(is_subrange_type): Delete.
(subrange_type_die): Add LOW and HIGH parameters. Use them for bounds.
(modified_type_die): Call subrange_type_for_debug_p on subtypes.
* fold-const.c (fold_truth_not_expr) <CONVERT_EXPR>: Do not strip it if
the destination type is boolean.
(build_range_check): Do not special-case subtypes.
(fold_sign_changed_comparison): Likewise.
(fold_unary): Likewise.
* langhooks-def.h (LANG_HOOKS_GET_SUBRANGE_BOUNDS): Define.
(LANG_HOOKS_FOR_TYPES_INITIALIZER): Add LANG_HOOKS_GET_SUBRANGE_BOUNDS.
* langhooks.h (lang_hooks_for_types): Add get_subrange_bounds.
* tree.c (subrange_type_for_debug_p): New predicate based on the former
is_subrange_type.
* tree.h (subrange_type_for_debug_p): Declare.
* tree-chrec.c (avoid_arithmetics_in_type_p): Delete.
(convert_affine_scev): Remove call to above function.
(chrec_convert_aggressive): Likewise.
* tree-ssa.c (useless_type_conversion_p_1): Do not specifically return
false for conversions involving subtypes.
* tree-vrp.c (vrp_val_max): Do not special-case subtypes.
(vrp_val_min): Likewise.
(needs_overflow_infinity): Likewise.
(extract_range_from_unary_expr): Likewise.
ada/
* gcc-interface/ada-tree.h (TYPE_GCC_MIN_VALUE, TYPE_GCC_MAX_VALUE):
New macros.
(TYPE_RM_VALUES): Likewise.
(TYPE_RM_SIZE): Rewrite in terms of TYPE_RM_VALUES.
(SET_TYPE_RM_SIZE): New macro.
(TYPE_RM_MIN_VALUE, TYPE_RM_MAX_VALUE): Likewise.
(SET_TYPE_RM_SIZE, SET_TYPE_RM_MAX_VALUE): Likewise.
(TYPE_MIN_VALUE, TYPE_MAX_VALUE): Redefine.
* gcc-interface/gigi.h (create_range_type): Declare.
* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Modular_Integer_Type>
Use SET_TYPE_RM_MAX_VALUE to set the upper bound on the UMT type.
<E_Signed_Integer_Subtype>: Build a regular integer type first and
then set the RM bounds. Use SET_TYPE_RM_SIZE to set the RM size.
<E_Floating_Point_Subtype>: Build a regular floating-point type first
and then set the RM bounds.
<E_Array_Type>: Use create_range_type instead of build_range_type.
<E_Array_Subtype>: Build a regular integer type first and then set
the RM bounds for the extra subtype.
<E_String_Literal_Subtype>: Use create_range_type instead of
build_range_type.
<all>: Set the RM bounds for enumeration types and the GCC bounds for
floating-point types.
(set_rm_size): Use SET_TYPE_RM_SIZE to set the RM size.
(make_type_from_size) <INTEGER_TYPE>: Use SET_TYPE_RM_{MIN,MAX}_VALUE
to set the bounds. Use SET_TYPE_RM_SIZE to set the RM size.
(substitute_in_type) <INTEGER_TYPE>: Deal with GCC bounds for domain
types and with RM bounds for subtypes.
* gcc-interface/misc.c (LANG_HOOKS_GET_SUBRANGE_BOUNDS): Define.
(gnat_print_type) <REAL_TYPE>: New case.
<ENUMERAL_TYPE>: Fall through to above case.
(gnat_get_subrange_bounds): New function.
* gcc-interface/trans.c (add_decl_expr): Mark the trees rooted as
TYPE_RM_MIN_VALUE and TYPE_RM_MAX_VALUE, if any.
* gcc-interface/utils.c (gnat_init_decl_processing): Use precision 8
for booleans. Adjust and use SET_TYPE_RM_SIZE to set the RM size.
(create_range_type): New function.
(create_param_decl): Build a regular integer type first and then set
the RM bounds for the extra subtype.
(unchecked_convert): Remove kludge for 'Valid.
* gcc-interface/utils2.c (build_binary_op) <ARRAY_RANGE_REF>: Convert
the index to sizetype instead of TYPE_DOMAIN.
From-SVN: r147563
