+2010-08-30 Eric Botcazou <ebotcazou@adacore.com>
+
+ * gcc-interface/trans.c (call_to_gnu): Also force the return slot opt
+ for the call to a function whose return type was unconstrained.
+
2010-08-30 Olivier Hainque <hainque@adacore.com>
- * gcc-interface/decl.c (FOREIGN_FORCE_REALIGN_STACK): New macro,
- replacement for FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN.
- (gnat_to_gnu_entity) <case ..., E_Procedure>: Use it.
+ * gcc-interface/decl.c (FOREIGN_FORCE_REALIGN_STACK): New macro,
+ replacement for FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN.
+ (gnat_to_gnu_entity) <case ..., E_Procedure>: Use it.
2010-08-21 Eric Botcazou <ebotcazou@adacore.com>
if (gnu_target)
{
Node_Id gnat_parent = Parent (gnat_node);
+ tree gnu_result_type = TREE_TYPE (gnu_subprog_type);
enum tree_code op_code;
/* If range check is needed, emit code to generate it. */
/* ??? If the return type has non-constant size, then force the
return slot optimization as we would not be able to generate
- a temporary. That's what has been done historically. */
- if (TREE_CONSTANT (TYPE_SIZE (TREE_TYPE (gnu_subprog_type))))
- op_code = MODIFY_EXPR;
- else
+ a temporary. Likewise if it was unconstrained as we would
+ copy too much data. That's what has been done historically. */
+ if (!TREE_CONSTANT (TYPE_SIZE (gnu_result_type))
+ || (TYPE_IS_PADDING_P (gnu_result_type)
+ && CONTAINS_PLACEHOLDER_P
+ (TYPE_SIZE (TREE_TYPE (TYPE_FIELDS (gnu_result_type))))))
op_code = INIT_EXPR;
+ else
+ op_code = MODIFY_EXPR;
gnu_result
= build_binary_op (op_code, NULL_TREE, gnu_target, gnu_result);
+2010-08-30 Thomas Quinot <quinot@adacore.com>
+
+ * gnat.dg/discr24.adb: New test.
+
2010-08-30 Richard Guenther <rguenther@suse.de>
PR tree-optimization/45449
--- /dev/null
+-- { dg-do run }
+-- { dg-options "-gnatp" }
+
+procedure Discr24 is
+
+ type Family_Type is (Family_Inet, Family_Inet6);
+ type Port_Type is new Natural;
+
+ subtype Inet_Addr_Comp_Type is Natural range 0 .. 255;
+
+ type Inet_Addr_VN_Type is array (Natural range <>) of Inet_Addr_Comp_Type;
+
+ subtype Inet_Addr_V4_Type is Inet_Addr_VN_Type (1 .. 4);
+ subtype Inet_Addr_V6_Type is Inet_Addr_VN_Type (1 .. 16);
+
+ type Inet_Addr_Type (Family : Family_Type := Family_Inet) is record
+ case Family is
+ when Family_Inet =>
+ Sin_V4 : Inet_Addr_V4_Type := (others => 0);
+
+ when Family_Inet6 =>
+ Sin_V6 : Inet_Addr_V6_Type := (others => 0);
+ end case;
+ end record;
+
+ type Sock_Addr_Type (Family : Family_Type := Family_Inet) is record
+ Addr : Inet_Addr_Type (Family);
+ Port : Port_Type;
+ end record;
+
+ function F return Inet_Addr_Type is
+ begin
+ return Inet_Addr_Type'
+ (Family => Family_Inet, Sin_V4 => (192, 168, 169, 170));
+ end F;
+
+ SA : Sock_Addr_Type;
+
+begin
+ SA.Addr.Sin_V4 := (172, 16, 17, 18);
+ SA.Port := 1111;
+ SA.Addr := F;
+ if SA.Port /= 1111 then
+ raise Program_Error;
+ end if;
+end;