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authorEric Botcazou <ebotcazou@adacore.com>2009-06-30 19:20:24 +0000
committerEric Botcazou <ebotcazou@gcc.gnu.org>2009-06-30 19:20:24 +0000
commit342f368cd9927a2929ab3d8d5bddfef625f520bc (patch)
treee2df069bf7796f6b6a61587812e67f46f32c895a /gcc/ada
parent9fb374d6a82046979cd304794aabb82ae914ad72 (diff)
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utils2.c (build_binary_op): Do not use the type of the left operand if...
* gcc-interface/utils2.c (build_binary_op) <MODIFY_EXPR>: Do not use the type of the left operand if it pads a self-referential type when the right operand is a constructor. * gcc-interface/lang-specs.h: Fix copyright date. From-SVN: r149115
Diffstat (limited to 'gcc/ada')
-rw-r--r--gcc/ada/ChangeLog8
-rw-r--r--gcc/ada/gcc-interface/lang-specs.h2
-rw-r--r--gcc/ada/gcc-interface/utils2.c15
3 files changed, 18 insertions, 7 deletions
diff --git a/gcc/ada/ChangeLog b/gcc/ada/ChangeLog
index 65d3720..a79a583 100644
--- a/gcc/ada/ChangeLog
+++ b/gcc/ada/ChangeLog
@@ -1,5 +1,13 @@
2009-06-30 Eric Botcazou <ebotcazou@adacore.com>
+ * gcc-interface/utils2.c (build_binary_op) <MODIFY_EXPR>: Do not use
+ the type of the left operand if it pads a self-referential type when
+ the right operand is a constructor.
+
+ * gcc-interface/lang-specs.h: Fix copyright date.
+
+2009-06-30 Eric Botcazou <ebotcazou@adacore.com>
+
* gcc-interface/decl.c: Include tree-inline.h.
(annotate_value) <CALL_EXPR>: Try to inline the call in the expression.
* gcc-interface/utils.c (max_size) <CALL_EXPR>: Likewise.
diff --git a/gcc/ada/gcc-interface/lang-specs.h b/gcc/ada/gcc-interface/lang-specs.h
index 1afba37..e0c1be9 100644
--- a/gcc/ada/gcc-interface/lang-specs.h
+++ b/gcc/ada/gcc-interface/lang-specs.h
@@ -6,7 +6,7 @@
* *
* C Header File *
* *
- * Copyright (C) 1992-2008, Free Software Foundation, Inc. *
+ * Copyright (C) 1992-2009, 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- *
diff --git a/gcc/ada/gcc-interface/utils2.c b/gcc/ada/gcc-interface/utils2.c
index 8ee9d4d..e60e5a0 100644
--- a/gcc/ada/gcc-interface/utils2.c
+++ b/gcc/ada/gcc-interface/utils2.c
@@ -707,9 +707,10 @@ build_binary_op (enum tree_code op_code, tree result_type,
/* If we are copying between padded objects with compatible types, use
the padded view of the objects, this is very likely more efficient.
- Likewise for a padded that is assigned a constructor, in order to
- avoid putting a VIEW_CONVERT_EXPR on the LHS. But don't do this if
- we wouldn't have actually copied anything. */
+ Likewise for a padded object that is assigned a constructor, if we
+ can convert the constructor to the inner type, to avoid putting a
+ VIEW_CONVERT_EXPR on the LHS. But don't do so if we wouldn't have
+ actually copied anything. */
else if (TREE_CODE (left_type) == RECORD_TYPE
&& TYPE_IS_PADDING_P (left_type)
&& TREE_CONSTANT (TYPE_SIZE (left_type))
@@ -719,9 +720,11 @@ build_binary_op (enum tree_code op_code, tree result_type,
&& TYPE_IS_PADDING_P
(TREE_TYPE (TREE_OPERAND (right_operand, 0)))
&& gnat_types_compatible_p
- (left_type,
- TREE_TYPE (TREE_OPERAND (right_operand, 0))))
- || TREE_CODE (right_operand) == CONSTRUCTOR)
+ (left_type,
+ TREE_TYPE (TREE_OPERAND (right_operand, 0))))
+ || (TREE_CODE (right_operand) == CONSTRUCTOR
+ && !CONTAINS_PLACEHOLDER_P
+ (DECL_SIZE (TYPE_FIELDS (left_type)))))
&& !integer_zerop (TYPE_SIZE (right_type)))
operation_type = left_type;