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fe.h (Constant_Value): Declare.

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* fe.h (Constant_Value): Declare.
	* gcc-interface/decl.c (compile_time_known_address_p): Also consider
	references to constants.

From-SVN: r240977
This commit is contained in:
Tristan Gingold 2016-10-11 10:11:49 +00:00 • committed by Eric Botcazou
parent 87e25aac8e
commit abb3ea16fa
3 changed files with 18 additions and 1 deletions
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6
gcc/ada/ChangeLog
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@ -1,3 +1,9 @@
2016-10-11 Tristan Gingold <gingold@adacore.com>
* fe.h (Constant_Value): Declare.
* gcc-interface/decl.c (compile_time_known_address_p): Also consider
references to constants.
2016-10-11 Eric Botcazou <ebotcazou@adacore.com>
* gcc-interface/trans.c (gnat_to_gnu) <N_Op_Add>: Adjust comment.

4
gcc/ada/fe.h
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@ -6,7 +6,7 @@
* *
* C Header File *
* *
* Copyright (C) 1992-2015, Free Software Foundation, Inc. *
* Copyright (C) 1992-2016, Free Software Foundation, Inc. *
* *
* GNAT is free software; you can redistribute it and/or modify it under *
* terms of the GNU General Public License as published by the Free Soft- *
@ -226,6 +226,7 @@ extern Boolean Is_Others_Aggregate (Node_Id);
/* sem_aux: */
#define Ancestor_Subtype sem_aux__ancestor_subtype
#define Constant_Value sem_aux__constant_value
#define First_Discriminant sem_aux__first_discriminant
#define First_Stored_Discriminant sem_aux__first_stored_discriminant
#define First_Subtype sem_aux__first_subtype
@ -233,6 +234,7 @@ extern Boolean Is_Others_Aggregate (Node_Id);
#define Is_Derived_Type sem_aux__is_derived_type
extern Entity_Id Ancestor_Subtype (Entity_Id);
extern Node_Id Constant_Value (Entity_Id);
extern Entity_Id First_Discriminant (Entity_Id);
extern Entity_Id First_Stored_Discriminant (Entity_Id);
extern Entity_Id First_Subtype (Entity_Id);

9
gcc/ada/gcc-interface/decl.c
View file

@ -6333,6 +6333,15 @@ array_type_has_nonaliased_component (tree gnu_type, Entity_Id gnat_type)
static bool
compile_time_known_address_p (Node_Id gnat_address)
{
/* Handle reference to a constant. */
if (Is_Entity_Name (gnat_address)
&& Ekind (Entity (gnat_address)) == E_Constant)
{
gnat_address = Constant_Value (Entity (gnat_address));
if (No (gnat_address))
return false;
}
/* Catch System'To_Address. */
if (Nkind (gnat_address) == N_Unchecked_Type_Conversion)
gnat_address = Expression (gnat_address);