+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+ * exp_dbug.ads: Fix outdated description.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.
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