From: Andrew Pinski <pinskia@physics.uc.edu>
Date: Mon, 9 Oct 2006 00:30:11 +0000 (+0000)
Subject: re PR middle-end/28862 (attribute ((aligned)) ignored on vector variables)
X-Git-Tag: releases/gcc-4.0.4~303
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=eee2348751c5a36fd67e184c044c3ee0d7ee26de;p=thirdparty%2Fgcc.git

re PR middle-end/28862 (attribute ((aligned)) ignored on vector variables)

2006-10-08  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/28862
        * stor-layout.c (relayout_decl): Don't zero the alignment if it
        was set by the user.

2006-10-08  Andrew Pinski  <pinskia@physics.uc.edu>

        PR middle-end/28862
        * gcc.c-torture/compile/vector-align-1.c: New test

From-SVN: r117567
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 8bfc39560bbe..723c360256c9 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2006-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
+
+	PR middle-end/28862
+	* stor-layout.c (relayout_decl): Don't zero the alignment if it
+	was set by the user.
+
 2006-09-21  Steven Bosscher  <steven@gcc.gnu.org>
 
 	PR middle-end/26983
diff --git a/gcc/stor-layout.c b/gcc/stor-layout.c
index 78295c5f6f94..0e6e4714ab98 100644
--- a/gcc/stor-layout.c
+++ b/gcc/stor-layout.c
@@ -480,7 +480,8 @@ relayout_decl (tree decl)
 {
   DECL_SIZE (decl) = DECL_SIZE_UNIT (decl) = 0;
   DECL_MODE (decl) = VOIDmode;
-  DECL_ALIGN (decl) = 0;
+  if (!DECL_USER_ALIGN (decl))
+    DECL_ALIGN (decl) = 0;
   SET_DECL_RTL (decl, 0);
 
   layout_decl (decl, 0);
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index d13c18e03f45..9cc68351d8e3 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2006-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
+
+	PR middle-end/28862
+	* gcc.c-torture/compile/vector-align-1.c: New test.
+
 2006-10-08  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 
 	* gcc.dg/builtins-config.h: Ensure we use -std=c99 on solaris2.
diff --git a/gcc/testsuite/gcc.c-torture/compile/vector-align-1.c b/gcc/testsuite/gcc.c-torture/compile/vector-align-1.c
new file mode 100644
index 000000000000..dc97ba6ca241
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/compile/vector-align-1.c
@@ -0,0 +1,11 @@
+/* Check to make sure the alignment on vectors is not being lost. */
+
+/* If some target has a Max alignment less than 128, please create
+   a #ifdef around the alignment and add your alignment.  */
+#define alignment 128
+
+char x __attribute__((aligned(alignment),vector_size(2)));
+
+
+int f[__alignof__(x) == alignment?1:-1];
+