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authorEric Botcazou <ebotcazou@adacore.com>2011-04-08 20:30:14 +0000
committerEric Botcazou <ebotcazou@gcc.gnu.org>2011-04-08 20:30:14 +0000
commit29b1c5a4fdb32f122c7d6d8f0c5e77118b4c4a24 (patch)
tree0b75108593fa1c6fe89fd8a7bf1647551deae10d
parent88872b00daeaf461796962afeb8901c172aacc50 (diff)
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decl.c (gnat_to_gnu_entity): Set minimum alignment on fields of the RETURN type built for the Copy-In...
* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Procedure>: Set minimum alignment on fields of the RETURN type built for the Copy-In Copy-Out mechanism. From-SVN: r172210
-rw-r--r--gcc/ada/ChangeLog6
-rw-r--r--gcc/ada/gcc-interface/decl.c3
2 files changed, 9 insertions, 0 deletions
diff --git a/gcc/ada/ChangeLog b/gcc/ada/ChangeLog
index 2046aa7..e16092f 100644
--- a/gcc/ada/ChangeLog
+++ b/gcc/ada/ChangeLog
@@ -1,5 +1,11 @@
2011-04-08 Eric Botcazou <ebotcazou@adacore.com>
+ * gcc-interface/decl.c (gnat_to_gnu_entity) <E_Procedure>: Set minimum
+ alignment on fields of the RETURN type built for the Copy-In Copy-Out
+ mechanism.
+
+2011-04-08 Eric Botcazou <ebotcazou@adacore.com>
+
* gcc-interface/trans.c (Identifier_to_gnu): Do not return initializers
of aggregate types that contain a placeholder.
diff --git a/gcc/ada/gcc-interface/decl.c b/gcc/ada/gcc-interface/decl.c
index 2902396..bc6b9cc 100644
--- a/gcc/ada/gcc-interface/decl.c
+++ b/gcc/ada/gcc-interface/decl.c
@@ -4226,6 +4226,9 @@ gnat_to_gnu_entity (Entity_Id gnat_entity, tree gnu_expr, int definition)
= create_field_decl (gnu_param_name, gnu_param_type,
gnu_return_type, NULL_TREE, NULL_TREE,
0, 0);
+ /* Set a minimum alignment to speed up accesses. */
+ if (DECL_ALIGN (gnu_field) < TYPE_ALIGN (gnu_return_type))
+ DECL_ALIGN (gnu_field) = TYPE_ALIGN (gnu_return_type);
Sloc_to_locus (Sloc (gnat_param),
&DECL_SOURCE_LOCATION (gnu_field));
DECL_CHAIN (gnu_field) = gnu_field_list;