+2015-02-08 Eric Botcazou <ebotcazou@adacore.com>
+
+ * gcc-interface/decl.c (gnat_to_gnu_param): Do not strip the padding
+ if the parameter either is passed by reference or if the alignment
+ would be lowered.
+
2015-02-08 Eric Botcazou <ebotcazou@adacore.com>
* gcc-interface/decl.c (is_cplusplus_method): Use Is_Primitive flag to
}
/* If this is either a foreign function or if the underlying type won't
- be passed by reference, strip off possible padding type. */
+ be passed by reference and is as aligned as the original type, strip
+ off possible padding type. */
if (TYPE_IS_PADDING_P (gnu_param_type))
{
tree unpadded_type = TREE_TYPE (TYPE_FIELDS (gnu_param_type));
- if (mech == By_Reference
- || foreign
+ if (foreign
|| (!must_pass_by_ref (unpadded_type)
- && (mech == By_Copy || !default_pass_by_ref (unpadded_type))))
+ && mech != By_Reference
+ && (mech == By_Copy || !default_pass_by_ref (unpadded_type))
+ && TYPE_ALIGN (unpadded_type) >= TYPE_ALIGN (gnu_param_type)))
gnu_param_type = unpadded_type;
}
+2015-02-08 Eric Botcazou <ebotcazou@adacore.com>
+
+ * gnat.dg/addr7.ad[sb]: New test.
+ * gnat.dg/addr8.ad[sb]: Likewise.
+
2015-02-06 David Malcolm <dmalcolm@redhat.com>
PR jit/64752
--- /dev/null
+-- { dg-do compile }
+
+package body Addr7 is
+
+ procedure Proc (B: aliased Bytes) is
+ O: Integer;
+ for O'Address use B'Address;
+ begin
+ null;
+ end;
+
+end Addr7;
--- /dev/null
+package Addr7 is
+
+ type Bytes is array (1 .. 4) of Character;
+ for Bytes'Alignment use 4;
+
+ procedure Proc (B: aliased Bytes);
+
+end Addr7;
--- /dev/null
+-- { dg-do compile }
+
+package body Addr8 is
+
+ procedure Proc (B: Bytes) is
+ O: Integer;
+ for O'Address use B'Address;
+ begin
+ null;
+ end;
+
+end Addr8;
--- /dev/null
+package Addr8 is
+
+ type Bytes is array (1 .. 4) of Character;
+ for Bytes'Alignment use 4;
+
+ procedure Proc (B: Bytes);
+
+end Addr8;