[PATCH, testsuite] Fix alignment in movapd tests

[Ryan Mansfield]

The movapd tests in the i386 testsuite fail if built with 
-fstack-protector-strong or -fstack-protector-all, due to 8byte 
alignment instead of 16, or 32byte alignment.

2013-12-10  Ryan Mansfield  <rmansfi...@qnx.com>
        
        PR testsuite/59442
        * gcc.target/i386/sse2-movapd-1.c: Fix alignment attributes.
        * gcc.target/i386/sse2-movapd-2.c: Likewise.
        * gcc.target/i386/avx-vmovapd-256-1.c: Likewise.
        * gcc.target/i386/avx-vmovapd-256-2.c: Likewise.
Regards,

Ryan Mansfield
Index: gcc/testsuite/gcc.target/i386/avx-vmovapd-256-1.c
===================================================================
--- gcc/testsuite/gcc.target/i386/avx-vmovapd-256-1.c	(revision 205857)
+++ gcc/testsuite/gcc.target/i386/avx-vmovapd-256-1.c	(working copy)
@@ -15,7 +15,7 @@
 avx_test (void)
 {
   union256d u;
-  double e [4] __attribute__ ((aligned (8)))  = {41124.234,2344.2354,8653.65635,856.43576};
+  double e [4] __attribute__ ((aligned (32)))  = {41124.234,2344.2354,8653.65635,856.43576};
 
   u.x = test (e);
 
Index: gcc/testsuite/gcc.target/i386/avx-vmovapd-256-2.c
===================================================================
--- gcc/testsuite/gcc.target/i386/avx-vmovapd-256-2.c	(revision 205857)
+++ gcc/testsuite/gcc.target/i386/avx-vmovapd-256-2.c	(working copy)
@@ -15,7 +15,7 @@
 avx_test (void)
 {
   union256d u;
-  double e [4] __attribute__ ((aligned (8))) = {0.0};
+  double e [4] __attribute__ ((aligned (32))) = {0.0};
 
   u.x = _mm256_set_pd (39578.467285, 7856.342941, 85632.783567, 47563.234215);
 
Index: gcc/testsuite/gcc.target/i386/sse2-movapd-1.c
===================================================================
--- gcc/testsuite/gcc.target/i386/sse2-movapd-1.c	(revision 205857)
+++ gcc/testsuite/gcc.target/i386/sse2-movapd-1.c	(working copy)
@@ -25,7 +25,7 @@
 TEST (void)
 {
   union128d u;
-  double e[2] __attribute__ ((aligned (8))) = {2134.3343,1234.635654};
+  double e[2] __attribute__ ((aligned (16))) = {2134.3343,1234.635654};
 
   u.x = test (e);   
 
Index: gcc/testsuite/gcc.target/i386/sse2-movapd-2.c
===================================================================
--- gcc/testsuite/gcc.target/i386/sse2-movapd-2.c	(revision 205857)
+++ gcc/testsuite/gcc.target/i386/sse2-movapd-2.c	(working copy)
@@ -25,7 +25,7 @@
 TEST (void)
 {
   union128d u;
-  double e[2] __attribute__ ((aligned (8))) = {0.0};
+  double e[2] __attribute__ ((aligned (16))) = {0.0};
 
   u.x = _mm_set_pd (2134.3343,1234.635654);