path: root/gcc/ada/ChangeLog

2010-05-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* gcc-interface/Makefile.in: Removed mips-sgi-irix5* support.

2010-05-06  Manuel López-Ibáñez  <manu@gcc.gnu.org>

	PR 40989
	* gcc-interface/misc.c (gnat_handle_option): Add argument kind.

2010-05-02  Giuseppe Scrivano <gscrivano@gnu.org>

	* gnathtml.pl: Use 755 as mask for new directories.

2010-04-28  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/trans.c (gnat_gimplify_expr) <ADDR_EXPR>: Uniquize
	constant constructors before taking their address.

2010-04-25  Eric Botcazou  <ebotcazou@adacore.com>

	* exp_dbug.ads: Fix outdated description.  Mention link between XVS
	and XVZ objects.
	* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Record_Subtype>: Set
	XVZ variable as unit size of XVS type.
	(maybe_pad_type): Likewise.

2010-04-25  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/trans.c (gnat_to_gnu) <N_Assignment_Statement>: Do not
	use memmove if the array type is bit-packed.

2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/misc.c (gnat_init): Remove second argument in call to
	build_common_tree_nodes.

2010-04-18  Ozkan Sezer  <sezeroz@gmail.com>

	* gsocket.h: Make sure that winsock2.h is included before windows.h.

2010-04-17  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/utils2.c (build_unary_op) <ATTR_ADDR_EXPR>: Do not
	issue warning.

2010-04-17  Eric Botcazou  <ebotcazou@adacore.com>

	* uintp.h (UI_Lt): Declare.
	* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Array_Type>: Do the size
	computation in sizetype.
	<E_Array_Subtype>: Use unified handling for all index types.  Do not
	generate MAX_EXPR-based expressions, only COND_EXPR-based ones.  Add
	bypass for PATs.
	(annotate_value): Change test for negative values.
	(validate_size): Apply test for negative values on GNAT nodes.
	(set_rm_size): Likewise.
	* gcc-interface/misc.c (gnat_init): Set unsigned types for sizetypes.
	* gcc-interface/utils.c (rest_of_record_type_compilation): Change test
	for negative values.
	(max_size) <MINUS_EXPR>: Do not reassociate a COND_EXPR on the LHS.
	(builtin_type_for_size): Adjust definition of signed_size_type_node.
	* gcc-interface/utils2.c (compare_arrays): Optimize comparison of
	lengths against zero.

2010-04-17  Eric Botcazou  <ebotcazou@adacore.com>

	* back-end.adb (Call_Back_End): Pass Standard_Character to gigi.
	* gcc-interface/gigi.h (gigi): Add standard_character parameter.
	(CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE, LONG_TYPE_SIZE, 
	LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE, DOUBLE_TYPE_SIZE,
	LONG_DOUBLE_TYPE_SIZE, SIZE_TYPE): Delete.
	* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Array_Subtype>: Call
	rm_size.
	* gcc-interface/misc.c (gnat_init): Set signedness of char as per
	flag_signed_char.  Tag sizetype with "size_type" moniker.
	* gcc-interface/trans.c (gigi): Add standard_character parameter.
	Remove useless built-in types.  Equate unsigned_char_type_node to
	Standard.Character.  Use it instead of char_type_node throughout.
	(Attribute_to_gnu): Likewise.
	(gnat_to_gnu): Likewise.
	* gcc-interface/utils2.c (build_call_raise): Likewise.

2010-04-17  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/gigi.h (enum standard_datatypes): Add new values
	ADT_sbitsize_one_node and ADT_sbitsize_unit_node.
	(sbitsize_one_node): New macro.
	(sbitsize_unit_node): Likewise.
	* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Array_Subtype>: Fix
	latent bug in the computation of subrange_p.  Fold wider_p predicate.
	(cannot_be_superflat_p): Use an explicitly signed 64-bit type to do
	the final comparison.
	(make_aligning_type): Build real negation and use sizetype throughout
	the offset computation.
	(maybe_pad_type): Do not issue the warning when the new size expression
	is too complex.
	(annotate_value) <INTEGER_CST>: Simplify code handling negative values.
	* gcc-interface/misc.c (gnat_init): Initialize sbitsize_one_node and
	sbitsize_unit_node.
	* gcc-interface/trans.c (Attribute_to_gnu) <Attr_Pool_Address>: Fold
	double negation.
	(gnat_to_gnu) <N_Free_Statement>: Likewise.
	* gcc-interface/utils.c (convert): Use sbitsize_unit_node.
	* gcc-interface/utils2.c (compare_arrays): Compute real lengths and use
	constants in sizetype.  Remove dead code and tweak comments.  Generate
	equality instead of inequality comparisons for zero length tests.

2010-04-16  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/gigi.h (gnat_init_decl_processing): Delete.
	* gcc-interface/decl.c (gnat_to_gnu_entity): Constify a few variables.
	<object>: Do not create the fake PARM_DECL if no debug info is needed.
	Do not create the corresponding VAR_DECL of a CONST_DECL for debugging
	purposes if no debug info is needed.
	Fix formatting.  Reorder and add comments.
	* gcc-interface/trans.c (gnat_to_gnu) <N_Attribute_Reference>: Constify
	variable and remove obsolete comment.
	* gcc-interface/utils.c (convert_vms_descriptor64): Tweak comment.
	(convert_vms_descriptor32): Likewise.
	(convert): Remove dead code.
	<UNCONSTRAINED_ARRAY_REF>: Pass the field instead of its name to build
	the reference to the P_ARRAY pointer.
	<POINTER_TYPE>: Likewise.
	(maybe_unconstrained_array) <UNCONSTRAINED_ARRAY_TYPE>: Likewise.
	(gnat_init_decl_processing): Delete, move contents to...
	* gcc-interface/misc.c (gnat_init): ...here.

2010-04-16  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/trans.c (unchecked_conversion_nop): Handle function
	calls.  Return true for conversion from a record subtype to its type.

2010-04-16  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/decl.c (gnat_to_gnu_entity): Use boolean_type_node in
	lieu of integer_type_node for boolean operations.
	(choices_to_gnu): Likewise.
	* gcc-interface/trans.c (Attribute_to_gnu): Likewise.
	(Loop_Statement_to_gnu): Likewise.
	(establish_gnat_vms_condition_handler): Likewise.
	(Exception_Handler_to_gnu_sjlj): Likewise.
	(gnat_to_gnu): Likewise.
	(build_unary_op_trapv): Likewise.
	(build_binary_op_trapv): Likewise.
	(emit_range_check): Likewise.
	(emit_index_check): Likewise.
	(convert_with_check): Likewise.
	* gcc-interface/utils.c (convert_vms_descriptor64): Likewise.
	(convert_vms_descriptor32): Likewise.
	(convert_vms_descriptor): Likewise.
	* gcc-interface/utils2.c (nonbinary_modular_operation): Likewise.
	(compare_arrays): Use boolean instead of integer constants.
	(build_binary_op) <TRUTH_ANDIF_EXPR, TRUTH_ORIF_EXPR, TRUTH_AND_EXPR,
	TRUTH_OR_EXPR, TRUTH_XOR_EXPR>: New case.  Check that the result type
	is a boolean type.
	<GE_EXPR, LE_EXPR, GT_EXPR, LT_EXPR>: Remove obsolete assertion.
	<EQ_EXPR, NE_EXPR>: Check that the result type is a boolean type.
	<PREINC/PREDECREMENT_EXPR, POSTINC/POSTDECREMENT_EXPR>: Delete.
	<TRUTH_NOT_EXPR>: Check that the result type is a boolean type.
	(build_unary_op): Use boolean_type_node in lieu of integer_type_node
	for boolean operations.
	(fill_vms_descriptor): Likewise.  Fix formatting nits.

2010-04-16  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/ada-tree.def (LOOP_STMT): Change to 4-operand nodes.
	* gcc-interface/ada-tree.h (LOOP_STMT_TOP_COND, LOOP_STMT_BOT_COND):
	Merge into...
	(LOOP_STMT_COND): ...this.
	(LOOP_STMT_BOTTOM_COND_P): New flag.
	(LOOP_STMT_TOP_UPDATE_P): Likewise.
	* gcc-interface/trans.c (can_equal_min_or_max_val_p): New function.
	(can_equal_min_val_p): New static inline function.
	(can_equal_max_val_p): Likewise.
	(Loop_Statement_to_gnu): Use build4 in lieu of build5 and adjust to
	new LOOP_STMT semantics.  Use two different strategies depending on
	whether optimization is enabled to translate the loop.
	(gnat_gimplify_stmt) <LOOP_STMT>: Adjust to new LOOP_STMT semantics.

2010-04-16  Eric Botcazou  <ebotcazou@adacore.com>

	* uintp.adb (UI_From_Dint): Remove useless code.
	(UI_From_Int): Likewise.
	* uintp.h: Reorder declarations.
	(UI_From_gnu): Declare.
	(UI_Base): Likewise.
	(Vector_Template): Likewise.
	(Vector_To_Uint): Likewise.
	(Uint_0): Remove.
	(Uint_1): Likewise.
	* gcc-interface/gigi.h: Tweak comments.
	* gcc-interface/cuintp.c (UI_From_gnu): New global function.
	* gcc-interface/decl.c (maybe_pad_type): Do not warn if either size
	overflows.
	(annotate_value) <INTEGER_CST>: Call UI_From_gnu.
	* gcc-interface/trans.c (post_error_ne_num): Call post_error_ne.
	(post_error_ne_tree): Call UI_From_gnu and post_error_ne.
	* gcc-interface/utils.c (max_size) <tcc_binary>: Do not special-case
	TYPE_MAX_VALUE.

2010-04-16  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/decl.c (make_type_from_size) <INTEGER_TYPE>: Just copy
	TYPE_NAME.
	* gcc-interface/trans.c (smaller_packable_type_p): Rename into...
	(smaller_form_type_p): ...this.  Change parameter and variable names.
	(call_to_gnu): Use the nominal type of the parameter to create the
	temporary if it's a smaller form of the actual type.
	(addressable_p): Return false if the actual type is integral and its
	size is greater than that of the expected type.

2010-04-15  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/cuintp.c (UI_To_gnu): Fix long line.
	* gcc-interface/gigi.h (MARK_VISITED): Skip objects of constant class.
	(process_attributes): Delete.
	(post_error_ne_num): Change parameter name.
	* gcc-interface/decl.c (gnat_to_gnu_entity): Do not force debug info
	with -g3.  Remove a couple of obsolete lines.  Minor tweaks.
	If type annotating mode, operate on trees to compute the adjustment to
	the sizes of tagged types.  Fix long line.
	(cannot_be_superflat_p): Tweak head comment.
	(annotate_value): Fold local constant.
	(set_rm_size): Fix long line.
	* gcc-interface/trans.c (Identifier_to_gnu): Rework comments.
	(Attribute_to_gnu): Fix long line.
	<Attr_Size>: Remove useless assertion.
	Reorder statements.  Use size_binop routine.
	(Loop_Statement_to_gnu): Use build5 in lieu of build_nt.
	Create local variables for the label and the test.  Tweak comments.
	(Subprogram_Body_to_gnu): Reset cfun to NULL.
	(Compilation_Unit_to_gnu): Use the Sloc of the Unit node.
	(process_inlined_subprograms): Integrate into...
	(Compilation_Unit_to_gnu): ...this.
	(gnat_to_gnu): Fix long line.
	(post_error_ne_num): Change parameter name.
	* gcc-interface/utils.c (process_attributes): Static-ify.
	<ATTR_MACHINE_ATTRIBUTE>: Set input_location before proceeding.
	(create_type_decl): Add comment.
	(create_var_decl_1): Process the attributes after adding the VAR_DECL
	to the current binding level.
	(create_subprog_decl): Likewise for the FUNCTION_DECL.
	(end_subprog_body): Do not reset cfun to NULL.
	(build_vms_descriptor32): Fix long line.
	(build_vms_descriptor): Likewise.
	(handle_nonnull_attribute): Likewise.
	(convert_vms_descriptor64): Likewise.
	* gcc-interface/utils2.c (fill_vms_descriptor): Fix long line.
	(gnat_protect_expr): Fix thinko.

2010-04-15  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/trans.c (gigi): Set DECL_IGNORED_P on EH functions.
	(gnat_to_gnu) <N_Op_Eq>: Restore the value of input_location
	before translating the top-level node.
	(lvalue_required_p) <N_Function_Call>: Return 1 if !constant.
	<N_Object_Declaration>: Likewise.
	<N_Assignment_Statement>: Likewise.
	<N_Unchecked_Type_Conversion>: Likewise.
	(call_to_gnu): Remove kludge.
	(gnat_to_gnu) <N_Return_Statement>: When not optimizing, force labels
	associated with user returns to be preserved.
	(gnat_to_gnu): Add special code to deal with boolean rvalues.
	* gcc-interface/utils2.c (compare_arrays): Set input_location on all
	comparisons.
	(build_unary_op) <ADDR_EXPR>: Call build_fold_addr_expr.
	<INDIRECT_REF>: Call build_fold_indirect_ref.

2010-04-15  Joel Sherrill  <joel.sherrill@oarcorp.com>

	* g-socket.adb: A target can have multiple missing errno's.  This
	will result in multiple errno's being defined as -1.  Because of this
	we can not use a case but must use a series of if's to avoid 
	a duplicate case error in GNAT.Sockets.Resolve_Error.

2010-04-15  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/trans.c (call_to_gnu): Open a nesting level if this is
	a statement.  Otherwise, if at top-level, push the processing of the
	elaboration routine.  In the misaligned case, issue the error messages
	again on entry and create the temporary explicitly.  Do not issue them
	for CONSTRUCTORs.
	For a function call, emit the range check if necessary.
	In the copy-in copy-out case, create the temporary for the return
	value explicitly.
	Do not unnecessarily convert by-ref parameters to the formal's type.
	Remove obsolete guards in conditions.
	(gnat_to_gnu) <N_Assignment_Statement>: For a function call, pass the
	target to call_to_gnu in all cases.
	(gnat_gimplify_expr) <ADDR_EXPR>: Remove handling of SAVE_EXPR.
	(addressable_p) <CONSTRUCTOR>: Return false if not static.
	<COMPOUND_EXPR>: New case.
	* gcc-interface/utils2.c (build_unary_op) <ADDR_EXPR>: Fold a compound
	expression if it has unconstrained array type.
	(gnat_mark_addressable) <COMPOUND_EXPR>: New case.
	(gnat_stabilize_reference) <COMPOUND_EXPR>: Stabilize operands on an
	individual basis.

2010-04-15  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/trans.c (gigi): Do not start statement group.
	(Compilation_Unit_to_gnu): Set current_function_decl to NULL.
	Start statement group and push binding level here...
	(gnat_to_gnu) <N_Compilation_Unit>: ...and not here.
	Do not push fake contexts at top level.  Remove redundant code.
	(call_to_gnu): Rename a local variable and constify another.
	* gcc-interface/utils.c (gnat_pushlevel): Fix formatting nits.
	(set_current_block_context): Set it as the group's block.
	(gnat_init_decl_processing): Delete unrelated init code.
	(end_subprog_body): Use NULL_TREE.

2010-04-15  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/trans.c (call_to_gnu): Do not unnecessarily force
	side-effects of actual parameters before the call.

2010-04-15  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/decl.c (validate_size): Reorder, remove obsolete test
	and warning.
	(set_rm_size): Reorder and remove obsolete test.

2010-04-14  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/gigi.h: Reorder declarations and tweak comments.
	(gigi): Adjust ATTRIBUTE_UNUSED markers.
	* gcc-interface/gadaint.h: New file.
	* gcc-interface/trans.c: Include it in lieu of adaint.h.  Reorder.
	(__gnat_to_canonical_file_spec): Remove declaration.
	(number_names): Delete.
	(number_files): Likewise.
	(gigi): Adjust.
	* gcc-interface/Make-lang.in (ada/trans.o): Adjust dependencies to
	above change.

2010-04-14  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Class_Wide_Type>: Fix
	comment.
	* gcc-interface/trans.c (process_freeze_entity): Use local copy of
	Ekind.  Return early for class-wide types.  Do not compute initializer
	unless necessary.  Reuse the tree for an associated class-wide type
	only if processing its root type.

2010-04-13  Joel Sherrill  <joel.sherrill@oarcorp.com>

	* gsocket.h: Run-time can no longer be built without network
	OS headers available.  Changing RTEMS GNAT build procedure to
	reflect this and letting run-time build use network .h files.

2010-04-13  Duncan Sands  <baldrick@free.fr>

	* gcc-interface/misc.c (gnat_eh_type_covers): Remove.
	* gcc-interface/trans.c (Exception_Handler_to_gnu_zcx): Update comment.

2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/gigi.h (standard_datatypes): Add ADT_parent_name_id.
	(parent_name_id): New macro.
	* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Record_Type>: Use it.
	* gcc-interface/trans.c (gigi): Initialize it.
	(lvalue_required_p) <N_Type_Conversion>: New case.
	<N_Qualified_Expression>: Likewise.
	<N_Allocator>: Likewise.
	* gcc-interface/utils.c (convert): Try to properly upcast tagged types.

2010-04-13  Eric Botcazou  <ebotcazou@adacore.com>

	* 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.

2010-04-12  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/trans.c (Identifier_to_gnu): Use boolean variable.
	(call_to_gnu): Test gigi's flag TYPE_BY_REFERENCE_P instead of calling
	front-end's predicate Is_By_Reference_Type.  Use consistent order and
	remove ??? comment.  Use original conversion in all cases, if any.
	* gcc-interface/utils.c (make_dummy_type): Minor tweak.
	(convert): Use local copy in more cases.
	<INDIRECT_REF>: Remove deactivated code.
	(unchecked_convert): Use a couple of local copies.

2010-04-11  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/trans.c (lvalue_required_for_attribute_p): New static
	function.
	(lvalue_required_p) <N_Attribute_Reference>: Call it.
	(gnat_to_gnu) <N_Selected_Component>: Prevent build_component_ref from
	folding the result only if lvalue_required_for_attribute_p is true.
	* gcc-interface/utils.c (maybe_unconstrained_array): Pass correctly
	typed constant to build_component_ref.
	(unchecked_convert): Likewise.
	* gcc-interface/utils2.c (maybe_wrap_malloc): Likewise.
	(build_allocator): Likewise.

2010-04-11  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/utils2.c (build_cond_expr): Take the address and
	dereference if the result type is passed by reference.

2010-04-11  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/trans.c (Case_Statement_to_gnu): Bool-ify variable.
	(gnat_to_gnu) <N_Null_Statement>: When not optimizing, generate a
	goto to the next statement.

2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/gigi.h (maybe_variable): Delete.
	(protect_multiple_eval): Likewise.
	(maybe_stabilize_reference): Likewise.
	(gnat_save_expr): Declare.
	(gnat_protect_expr): Likewise.
	(gnat_stabilize_reference): Likewise.
	* gcc-interface/decl.c (gnat_to_gnu_entity) <object>: Use
	gnat_stabilize_reference.
	(maybe_variable): Delete.
	(elaborate_expression_1): Use gnat_save_expr.
	* gcc-interface/trans.c (Attribute_to_gnu): Use gnat_protect_expr.
	(call_to_gnu): Pass NULL to gnat_stabilize_reference.
	(gnat_to_gnu) <N_Object_Declaration>: Use gnat_save_expr.
	<N_Slice>: Use gnat_protect_exp.
	<N_Selected_Component>: Pass NULL to gnat_stabilize_reference.
	<N_In>: Use gnat_protect_expr.
	Pass NULL to gnat_stabilize_reference.
	(build_unary_op_trapv): Use gnat_protect_expr.
	(build_binary_op_trapv): Likewise.
	(emit_range_check): Likewise.
	(emit_index_check): Likewise.
	(convert_with_check): Likewise.
	(protect_multiple_eval): Move to utils2.c file.
	(maybe_stabilize_reference): Merge into...
	(gnat_stabilize_reference): ...this.  Move to utils2.c file.
	(gnat_stabilize_reference_1): Likewise.
	* gcc-interface/utils.c (convert_to_fat_pointer): Use gnat_protect_expr
	instead of protect_multiple_eval.
	* gcc-interface/utils2.c (compare_arrays): Likewise.
	(nonbinary_modular_operation): Likewise.
	(maybe_wrap_malloc): Likewise.
	(build_allocator): Likewise.
	(gnat_save_expr): New function.
	(gnat_protect_expr): Rename from protect_multiple_eval.  Early return
	in common cases.  Propagate TREE_READONLY onto dereferences.
	(gnat_stabilize_reference_1): Move from trans.c file.
	(gnat_stabilize_reference): Likewise.

2010-04-09  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/gigi.h (gnat_mark_addressable): Rename parameter.
	* gcc-interface/decl.c (maybe_variable): Do not set TREE_STATIC on _REF
	node.  Use the type of the operand to set TREE_READONLY.
	* gcc-interface/trans.c (Identifier_to_gnu): Do not set TREE_STATIC on
	_REF node.  Do not overwrite TREE_READONLY.
	(call_to_gnu): Rename local variable and fix various nits.  In the
	copy-in/copy-out case, build the SAVE_EXPR manually.
	(convert_with_check): Call protect_multiple_eval in lieu of save_expr
	and fold the computations.
	(protect_multiple_eval): Always save entire fat pointers.
	(maybe_stabilize_reference): Minor tweaks.
	(gnat_stabilize_reference_1): Likewise.  Do not deal with tcc_constant,
	tcc_type and tcc_statement.
	* gcc-interface/utils.c (convert_to_fat_pointer): Call
	protect_multiple_eval in lieu of save_expr.
	(convert): Minor tweaks.
	(maybe_unconstrained_array): Do not set TREE_STATIC on _REF node.
	(builtin_type_for_size): Call gnat_type_for_size directly.
	* gcc-interface/utils2.c (contains_save_expr_p): Delete.
	(contains_null_expr): Likewise
	(gnat_build_constructor): Do not call it.
	(compare_arrays): Deal with all side-effects, use protect_multiple_eval
	instead of gnat_stabilize_reference to protect the operands.
	(nonbinary_modular_operation): Call protect_multiple_eval in lieu of
	save_expr.
	(maybe_wrap_malloc): Likewise.
	(build_allocator): Likewise.
	(build_unary_op) <INDIRECT_REF>: Do not set TREE_STATIC on _REF node.
	(gnat_mark_addressable): Rename parameter.

2010-04-08  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/ada-tree.h (TYPE_RETURNS_UNCONSTRAINED_P): Rename into.
	(TYPE_RETURN_UNCONSTRAINED_P): ...this.
	(TYPE_RETURNS_BY_REF_P): Rename into.
	(TYPE_RETURN_BY_DIRECT_REF_P): ...this.
	(TYPE_RETURNS_BY_TARGET_PTR_P): Delete.
	* gcc-interface/gigi.h (create_subprog_type): Adjust parameter names.
	(build_return_expr): Likewise.
	* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Subprogram_Type>:
	Rename local variables.  If the return Mechanism is By_Reference, pass
	return_by_invisible_ref_p to create_subprog_type instead of toggling
	TREE_ADDRESSABLE.  Test return_by_invisible_ref_p in order to annotate
	the mechanism.  Use regular return for contrained types with non-static
	size and return by invisible reference for unconstrained return types
	with default discriminants.  Update comment.
	* gcc-interface/trans.c (Subprogram_Body_to_gnu): If the function
	returns by invisible reference, turn the RESULT_DECL into a pointer.
	Do not handle DECL_BY_REF_P in the CICO case here.
	(call_to_gnu): Remove code handling return by target pointer.  For a
	function call, if the return type has non-constant size, generate the
	assignment with an INIT_EXPR.
	(gnat_to_gnu) <N_Return_Statement>: Remove dead code in the CICO case.
	If the function returns by invisible reference, build the copy return
	operation manually.
	(add_decl_expr): Initialize the variable with an INIT_EXPR.
	* gcc-interface/utils.c (create_subprog_type): Adjust parameter names.
	Adjust for renaming of macros.  Copy the node only when necessary.
	(create_subprog_decl): Do not toggle TREE_ADDRESSABLE on the return
	type, only change DECL_BY_REFERENCE on the RETURN_DECL.
	(convert_from_reference): Delete.
	(is_byref_result): Likewise.
	(gnat_genericize_r): Likewise.
	(gnat_genericize): Likewise.
	(end_subprog_body): Do not call gnat_genericize.
	* gcc-interface/utils2.c (build_binary_op) <INIT_EXPR>: New case.
	(build_return_expr): Adjust parameter names, logic and comment.

2010-04-07  Eric Botcazou  <ebotcazou@adacore.com>

	* exp_pakd.adb (Create_Packed_Array_Type): Always use a modular type
	if the size is small enough.  Propagate the alignment if there is an
	alignment clause on the original array type.
	* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Modular_Integer_Subtype>
	Deal with under-aligned packed array types.  Copy the size onto the
	justified modular type and don't lay it out again.  Likewise for the
	padding type built for other under-aligned subtypes.
	* gcc-interface/utils.c (finish_record_type): Do not set a default mode
	on the type.

2010-04-07  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Procedure>: Set default
	alignment on the RETURN type built for the Copy-In Copy-Out mechanism.

2010-04-07  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/trans.c (call_to_gnu): In the return-by-target-ptr case
	do not set the result type if there is a specified target and do not
	convert the result in any cases.
	(protect_multiple_eval): Make direct SAVE_EXPR for CALL_EXPR.
	(maybe_stabilize_reference) <COMPOUND_EXPR>: Merge with CALL_EXPR.

2010-03-10  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/Makefile.in (SPARC/Solaris): Use sparcv8plus.

2010-02-27  Eric Botcazou  <ebotcazou@adacore.com>

	PR ada/42253
	* gcc-interface/utils2.c (build_binary_op) <EQ_EXPR>: Assert that fat
	pointer base types are variant of each other.  Apply special treatment
	for null to fat pointer types in all cases.

2010-01-28  Pascal Obry  <obry@adacore.com>

	* s-win32.ads: Add some missing constants.

2010-01-28  Vincent Celier  <celier@adacore.com>

	* prj-attr-pm.adb (Add_Attribute): Do nothing if To_Package is
	Unknown_Package.

2010-01-28  Robert Dewar  <dewar@adacore.com>

	* gnat_rm.texi: Minor correction

2010-01-27  Pascal Obry  <obry@adacore.com>

	* g-awk.adb: ensure that an AWK session is reusable.

2010-01-27  Vasiliy Fofanov  <fofanov@adacore.com>

	* g-regist.adb (For_Every_Key): Fix previous change.
	Minor reformatting.

2010-01-27  Thomas Quinot  <quinot@adacore.com>

	* lib-writ.ads: Current version of spec for new N (note) ALI lines

2010-01-27  Yannick Moy  <moy@adacore.com>

	* a-cdlili.adb (Insert): Correct exception message when cursor
	designates wrong list.

2010-01-27  Vincent Celier  <celier@adacore.com>

	* gnatcmd.adb: When there is only one main specified, the package
	support Switches (<main>) and attribute Switches is specified for the
	main, use these switches, instead of Default_Switches ("Ada").

2010-01-27  Robert Dewar  <dewar@adacore.com>

	* sem_prag.adb, par-prag.adb, snames.ads-tmpl: pragma Dimension initial
	implementation.
	* exp_disp.adb: Minor reformatting

2010-01-27  Tristan Gingold  <gingold@adacore.com>

	* seh_init.c: Use __ImageBase instead of _ImageBase.

2010-01-27  Javier Miranda  <miranda@adacore.com>

	* exp_disp.ads, exp_disp.adb (Expand_Interface_Thunk): Modify the
	profile of interface thunks. The type of the controlling formal is now
	the covered interface type (instead of the target tagged type).

2010-01-27  Sergey Rybin  <rybin@adacore.com>

	* gnat_rm.texi, gnat_ugn.texi: Update gnatcheck doc.

2010-01-27  Robert Dewar  <dewar@adacore.com>

	* sinput.ads, sinput.adb (Sloc_Range): Applies to all nodes, formal
	changed from Expr to N.

2010-01-26  Thomas Quinot  <quinot@adacore.com>

	* gnat_ugn.texi: Adjust documentation of -gnatz switches.
	* usage.adb: Replace line for -gnatz with two lines for -gnatzc and
	-gnatzr.

2010-01-26  Vincent Celier  <celier@adacore.com>

	* prj-attr.adb: Add new attribute Library_Install_Name_Option
	Replace attribute Run_Path_Origin_Supported with Run_Path_Origin
	* prj-nmsc.adb (Process_Project_Level_Simple_Attributes): Process
	attributes Run_Path_Option and Library_Install_Name_Option.
	* prj.ads (Project_Configuration): Replace component
	Run_Path_Origin_Supported with component Run_Path_Origin. Add new
	component Library_Install_Name_Option.
	* snames.ads-tmpl: Add new standard name Library_Install_Name_Option
	Replace Run_Path_Origin_Supported with Run_Path_Origin

2010-01-26  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch8.adb (Use_One_Package): Within an instance, an actual package
	is not hidden by a homograph declared in another actual package.

2010-01-26  Robert Dewar  <dewar@adacore.com>

	* par_sco.adb (Traverse_Declarations_Or_Statements): Only generate
	decisions for pragmas Assert, Check, Precondition, Postcondition if
	-gnata set.
	* scos.ads: Update comments.
	* get_scos.adb, put_scos.adb: Minor fix to code reading statement SCOs.
	Also remove obsolete code for CT (exit point) SCOs.

2010-01-26  Thomas Quinot  <quinot@adacore.com>

	* switch-c.adb: Fix handling of -gnatz*

2010-01-26  Robert Dewar  <dewar@adacore.com>

	* par_sco.adb (Traverse_Declarations_Or_Statements): Separate F/W
	qualifiers for FOR/WHILE loops
	* scos.ads: Use separate type letters F/W for for/while loops

2010-01-26  Robert Dewar  <dewar@adacore.com>

	* get_scos.adb (Get_SCOs): Implement new form of CS entries (multiple
	entries per line, one for each statement in the sequence).
	* par_sco.adb (Traverse_Declarations_Or_Statements): Increase array
	size from 100 to 10_000 for SC_Array to avoid any real possibility of
	overflow. Output decisions in for loops.
	Exclude labels from CS lines.
	* scos.ads: Clarify that label is not included in the entry point

2010-01-26  Robert Dewar  <dewar@adacore.com>

	* par_sco.adb (Traverse_Declarations_Or_Statments): Implement new
	format of statement sequence SCO entries (one location/statement).
	* put_scos.adb (Put_SCOs): Implement new format of CS lines
	* scos.ads: Update comments.
	* sem_eval.adb: Minor reformatting.

2010-01-26  Robert Dewar  <dewar@adacore.com>

	* par_sco.ads, par_sco.adb (Set_Statement_Entry): New handling of exits
	(Extend_Statement_Sequence): New procedures
	(Traverse_Declarations_Or_Statements): New handling for exits.

2010-01-26  Robert Dewar  <dewar@adacore.com>

	* par_sco.adb (Traverse_Declarations_Or_Statements): Add processing for
	Case.

2010-01-26  Robert Dewar  <dewar@adacore.com>

	* par_sco.adb (Is_Logical_Operator): Exclude AND/OR/XOR
	* scos.ads: Clarify handling of logical operators

2010-01-26  Arnaud Charlet  <charlet@adacore.com>

	* s-tpoben.adb: Update comments.

2010-01-26  Robert Dewar  <dewar@adacore.com>

	* freeze.adb (Set_Small_Size): Don't set size if alignment clause
	present.

2010-01-26  Robert Dewar  <dewar@adacore.com>

	* scos.ads: Clean up documentation, remove obsolete XOR references
2010-01-26  Vincent Celier  <celier@adacore.com>

	* gnat_ugn.texi: Complete documentation on the restrictions for
	combined options in -gnatxxx switches.
	Fix typo.

2010-01-26  Arnaud Charlet  <charlet@adacore.com>

	* s-tpoben.adb (Initialize_Protection_Entries): If a PO is created from
	a controlled operation, abort is already deferred at this point, so we
	need to use Defer_Abort_Nestable.

2010-01-26  Vincent Celier  <celier@adacore.com>

	* prj-conf.adb (Get_Config_Switches): Check for a default language for
	a project extending a project with no languages.

2010-01-26  Vincent Celier  <celier@adacore.com>

	* switch-c.adb (Scan_Front_End_Switches): Take into account options
	that follow -gnatef.
	Allow -gnateG to be followed by other options.

2010-01-26  Robert Dewar  <dewar@adacore.com>

	* s-commun.ads, s-osprim-mingw.adb, s-stchop-vxworks.adb, sem_aggr.adb,
	s-vxwext.adb, sem_ch10.adb, sem_eval.adb, sem_prag.adb: Minor
	reformatting.

2010-01-26  Vasiliy Fofanov  <fofanov@adacore.com>

	* g-regist.adb, g-regist.ads (For_Every_Key): New generic procedure
	that allows to iterate over all subkeys of a key.

2010-01-26  Ed Falis  <falis@adacore.com>

	* sysdep.c: enable NFS for VxWorks MILS
	* env.c: enable __gnat_environ for VxWorks MILS
	* gcc-interface/Makefile.in: Add VxWorks MILS target pairs.

2010-01-25  Bob Duff  <duff@adacore.com>

	* sem_aggr.adb (Resolve_Array_Aggregate): Check for the case where this
	is an internally-generated positional aggregate, and the bounds are
	already correctly set. We don't want to overwrite those bounds with
	bounds determined by context.

2010-01-25  Robert Dewar  <dewar@adacore.com>

	* g-sercom.ads, gnatcmd.adb, gnatlink.adb, a-ststio.adb, exp_ch6.adb,
	exp_ch9.adb, g-sechas.ads: Minor reformatting.

2010-01-25  Thomas Quinot  <quinot@adacore.com>

	* s-commun.adb (Last_Index): Count must be converted to SEO (a signed
	integer type) before subtracting 1, otherwise the computation may wrap
	(because size_t is modular) and cause the conversion to fail.

2010-01-25  Ed Falis  <falis@adacore.com>

	* sysdep.c, init.c: Adapt to support full run-time on VxWorks MILS.

2010-01-25  Vincent Celier  <celier@adacore.com>

	* prj-attr.adb: New attribute Run_Path_Origin_Required
	* prj-nmsc.adb (Process_Project_Level_Simple_Attributes): Process new
	attribute Run_Path_Origin_Required.
	* prj.ads (Project_Configuration): New component
	Run_Path_Origin_Supported.
	* snames.ads-tmpl: New standard name Run_Path_Origin_Required

2010-01-25  Ed Schonberg  <schonberg@adacore.com>

	* sem_aggr.adb (Resolve_Array_Aggregate): If the bounds in a choice
	have errors, do not continue resolution of the aggregate.
	* sem_eval.adb (Eval_Indexed_Component): Do not attempt to evaluate if
	the array type indicates an error.

2010-01-25  Bob Duff  <duff@adacore.com>

	* sinfo.ads: Minor comment fixes.

2010-01-25  Bob Duff  <duff@adacore.com>

	* exp_ch4.adb, exp_aggr.adb: Minor comment fixes and code clean up.

2010-01-25  Arnaud Charlet  <charlet@adacore.com>

	* gnatvsn.ads (Current_Year): Update.

2010-01-25  Florian Villoing  <villoing@adacore.com>

	* gnat_ugn.texi: Fix typo.

2010-01-25  Thomas Quinot  <quinot@adacore.com>

	* scos.ads: Update specification.

2010-01-25  Ed Schonberg  <schonberg@adacore.com>

	* sem_ch6.adb (Process_PPCs): If a postcondition is present and the
	enclosing subprogram has no previous spec, attach postcondition
	procedure to the defining entity for the body.

2010-01-25  Ed Schonberg  <schonberg@adacore.com>

	* exp_aggr.adb (Build_Record_Aggr_Code); Do not generate call to
	initialization procedure of the ancestor part of an extension aggregate
	if it is an interface type.

2010-01-25  Vincent Celier  <celier@adacore.com>

	* gnatlink.adb (Process_Binder_File): The directory for the shared
	version of libgcc in the run path options is found in the subdirectory
	indicated by __gnat_default_libgcc_subdir.
	* link.c: Declare new const char * __gnat_default_libgcc_subdir for
	each platform.

2010-01-25  Ed Schonberg  <schonberg@adacore.com>

	* sem_prag.adb: More flexible pragma Annotate.

2010-01-22  Eric Botcazou  <ebotcazou@adacore.com>

	* system-linux-armel.ads (Stack_Check_Probes): Set to True.
	* system-linux-armeb.ads (Stack_Check_Probes): Likewise.

2010-01-18  Eric Botcazou  <ebotcazou@adacore.com>

	* gcc-interface/utils.c (create_var_decl_1): Fix formatting nits.

2010-01-18  Jan Hubicka  <jh@suse.cz>

	PR middle-end/42068
	* gcc-interface/utils.c (create_var_decl_1): Do not set COMMON flag for
	unit local variables.

2010-01-17  Laurent GUERBY  <laurent@guerby.net>

	* gcc-interface/Makefile.in: Fix typo in arm*-*-linux-gnueabi.

2010-01-11  Mikael Pettersson  <mikpe@it.uu.se>

	* gcc-interface/Makefile.in: Add arm*-*-linux-gnueabi.
	* system-linux-armeb.ads, system-linux-armel.ads: New files.

2010-01-09  Simon Wright  <simon@pushface.org>

	PR ada/42626
	* gcc-interface/Makefile.in (gnatlib-shared-darwin): Add missing
	end-quote.



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