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-rw-r--r--gcc/ada/ChangeLog5
-rw-r--r--gcc/ada/gcc-interface/decl.c6
-rw-r--r--gcc/testsuite/ChangeLog5
-rw-r--r--gcc/testsuite/gnat.dg/specs/static_initializer3.ads2
-rw-r--r--gcc/testsuite/gnat.dg/specs/static_initializer4.ads13
5 files changed, 29 insertions, 2 deletions
diff --git a/gcc/ada/ChangeLog b/gcc/ada/ChangeLog
index 7ecdc2c..3aa6f4d 100644
--- a/gcc/ada/ChangeLog
+++ b/gcc/ada/ChangeLog
@@ -1,5 +1,10 @@
2008-09-26 Eric Botcazou <ebotcazou@adacore.com>
+ * decl.c (gnat_to_gnu_entity) <object>: Cap the alignment promotion
+ to that of ptr_mode instead of word_mode.
+
+2008-09-26 Eric Botcazou <ebotcazou@adacore.com>
+
PR ada/5911
* gcc-interface/Makefile.in (SPARC/Solaris): Add multilib support.
diff --git a/gcc/ada/gcc-interface/decl.c b/gcc/ada/gcc-interface/decl.c
index d343b14..b0dfc7d 100644
--- a/gcc/ada/gcc-interface/decl.c
+++ b/gcc/ada/gcc-interface/decl.c
@@ -734,10 +734,12 @@ gnat_to_gnu_entity (Entity_Id gnat_entity, tree gnu_expr, int definition)
&& TREE_CODE (TYPE_SIZE (gnu_type)) == INTEGER_CST)
{
/* No point in jumping through all the hoops needed in order
- to support BIGGEST_ALIGNMENT if we don't really have to. */
+ to support BIGGEST_ALIGNMENT if we don't really have to.
+ So we cap to the smallest alignment that corresponds to
+ a known efficient memory access pattern of the target. */
unsigned int align_cap = Is_Atomic (gnat_entity)
? BIGGEST_ALIGNMENT
- : get_mode_alignment (word_mode);
+ : get_mode_alignment (ptr_mode);
if (!host_integerp (TYPE_SIZE (gnu_type), 1)
|| compare_tree_int (TYPE_SIZE (gnu_type), align_cap) >= 0)
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 499e7c0..8169b88 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2008-09-26 Eric Botcazou <ebotcazou@adacore.com>
+
+ * gnat.dg/specs/static_initializer4.ads: New test.
+ * gnat.dg/specs/static_initializer3.ads: Add missing marker.
+
2008-09-26 Kai Tietz <kai.tietz@onevision.com>
* g++.dg/compat/struct-layout-1_x1.h: Add __SIZE_TYPE__ cast
diff --git a/gcc/testsuite/gnat.dg/specs/static_initializer3.ads b/gcc/testsuite/gnat.dg/specs/static_initializer3.ads
index 42994f2..2dc8be1 100644
--- a/gcc/testsuite/gnat.dg/specs/static_initializer3.ads
+++ b/gcc/testsuite/gnat.dg/specs/static_initializer3.ads
@@ -1,3 +1,5 @@
+-- { dg-do compile }
+
with Unchecked_Conversion;
package Static_Initializer3 is
diff --git a/gcc/testsuite/gnat.dg/specs/static_initializer4.ads b/gcc/testsuite/gnat.dg/specs/static_initializer4.ads
new file mode 100644
index 0000000..a1a5e84
--- /dev/null
+++ b/gcc/testsuite/gnat.dg/specs/static_initializer4.ads
@@ -0,0 +1,13 @@
+-- { dg-do compile }
+
+package Static_Initializer4 is
+
+ type R is tagged record
+ b : Boolean;
+ end record;
+
+ type NR is new R with null record;
+
+ C : NR := (b => True);
+
+end Static_Initializer4;