no-vfa-vect-37.c: Replace __aligned__(16) with __aligned__(__BIGGEST_ALIGNMENT__).

2009-05-08  H.J. Lu  <hongjiu.lu@intel.com>

	* gcc.dg/vect/no-vfa-vect-37.c: Replace __aligned__(16) with
	__aligned__(__BIGGEST_ALIGNMENT__).
	* gcc.dg/vect/no-vfa-vect-43.c: Likewise.
	* gcc.dg/vect/no-vfa-vect-49.c: Likewise.
	* gcc.dg/vect/no-vfa-vect-53.c: Likewise.
	* gcc.dg/vect/no-vfa-vect-57.c: Likewise.
	* gcc.dg/vect/no-vfa-vect-61.c: Likewise.
	* gcc.dg/vect/no-vfa-vect-79.c: Likewise.
	* gcc.dg/vect/Os-vect-95.c: Likewise.
	* gcc.dg/vect/pr20122.c: Likewise.
	* gcc.dg/vect/pr36493.c: Likewise.
	* gcc.dg/vect/pr37385.c: Likewise.
	* gcc.dg/vect/slp-7.c: Likewise.
	* gcc.dg/vect/slp-9.c: Likewise.
	* gcc.dg/vect/slp-widen-mult-s16.c: Likewise.
	* gcc.dg/vect/slp-widen-mult-u8.c: Likewise.
	* gcc.dg/vect/vect-35.c: Likewise.
	* gcc.dg/vect/vect-40.c: Likewise.
	* gcc.dg/vect/vect-42.c: Likewise.
	* gcc.dg/vect/vect-44.c: Likewise.
	* gcc.dg/vect/vect-46.c: Likewise.
	* gcc.dg/vect/vect-48.c: Likewise.
	* gcc.dg/vect/vect-52.c: Likewise.
	* gcc.dg/vect/vect-54.c: Likewise.
	* gcc.dg/vect/vect-56.c: Likewise.
	* gcc.dg/vect/vect-58.c: Likewise.
	* gcc.dg/vect/vect-60.c: Likewise.
	* gcc.dg/vect/vect-74.c: Likewise.
	* gcc.dg/vect/vect-75.c: Likewise.
	* gcc.dg/vect/vect-76.c: Likewise.
	* gcc.dg/vect/vect-77-alignchecks.c: Likewise.
	* gcc.dg/vect/vect-77.c: Likewise.
	* gcc.dg/vect/vect-77-global.c: Likewise.
	* gcc.dg/vect/vect-78-alignchecks.c: Likewise.
	* gcc.dg/vect/vect-78.c: Likewise.
	* gcc.dg/vect/vect-78-global.c: Likewise.
	* gcc.dg/vect/vect-80.c: Likewise.
	* gcc.dg/vect/vect-85.c: Likewise.
	* gcc.dg/vect/vect-87.c: Likewise.
	* gcc.dg/vect/vect-88.c: Likewise.
	* gcc.dg/vect/vect-92.c: Likewise.
	* gcc.dg/vect/vect-93.c: Likewise.
	* gcc.dg/vect/vect-95.c: Likewise.
	* gcc.dg/vect/vect-97.c: Likewise.
	* gcc.dg/vect/vect-complex-1.c: Likewise.
	* gcc.dg/vect/vect-complex-4.c: Likewise.
	* gcc.dg/vect/vect-complex-5.c: Likewise.
	* gcc.dg/vect/vect-multitypes-10.c: Likewise.
	* gcc.dg/vect/vect-multitypes-11.c: Likewise.
	* gcc.dg/vect/vect-multitypes-12.c: Likewise.
	* gcc.dg/vect/vect-multitypes-13.c: Likewise.
	* gcc.dg/vect/vect-multitypes-14.c: Likewise.
	* gcc.dg/vect/vect-multitypes-15.c: Likewise.
	* gcc.dg/vect/vect-multitypes-16.c: Likewise.
	* gcc.dg/vect/vect-multitypes-17.c: Likewise.
	* gcc.dg/vect/vect-multitypes-3.c: Likewise.
	* gcc.dg/vect/vect-multitypes-6.c: Likewise.
	* gcc.dg/vect/vect-multitypes-7.c: Likewise.
	* gcc.dg/vect/vect-multitypes-8.c: Likewise.
	* gcc.dg/vect/vect-multitypes-9.c: Likewise.
	* gcc.dg/vect/vect-outer-1a.c: Likewise.
	* gcc.dg/vect/vect-outer-1.c: Likewise.
	* gcc.dg/vect/vect-outer-2a.c: Likewise.
	* gcc.dg/vect/vect-outer-2b.c: Likewise.
	* gcc.dg/vect/vect-outer-2.c: Likewise.
	* gcc.dg/vect/vect-outer-2c.c: Likewise.
	* gcc.dg/vect/vect-outer-2d.c: Likewise.
	* gcc.dg/vect/vect-outer-3a.c: Likewise.
	* gcc.dg/vect/vect-outer-3b.c: Likewise.
	* gcc.dg/vect/vect-outer-3.c: Likewise.
	* gcc.dg/vect/vect-outer-3c.c: Likewise.
	* gcc.dg/vect/vect-outer-5.c: Likewise.
	* gcc.dg/vect/vect-outer-6.c: Likewise.
	* gcc.dg/vect/vect-reduc-dot-s16a.c: Likewise.
	* gcc.dg/vect/vect-reduc-dot-s16b.c: Likewise.
	* gcc.dg/vect/vect-reduc-dot-s8a.c: Likewise.
	* gcc.dg/vect/vect-reduc-dot-s8b.c: Likewise.
	* gcc.dg/vect/vect-reduc-dot-s8c.c: Likewise.
	* gcc.dg/vect/vect-reduc-dot-u16a.c: Likewise.
	* gcc.dg/vect/vect-reduc-dot-u16b.c: Likewise.
	* gcc.dg/vect/vect-reduc-dot-u8a.c: Likewise.
	* gcc.dg/vect/vect-reduc-dot-u8b.c: Likewise.
	* gcc.dg/vect/vect-widen-mult-s16.c: Likewise.
	* gcc.dg/vect/vect-widen-mult-s8.c: Likewise.
	* gcc.dg/vect/vect-widen-mult-u16.c: Likewise.
	* gcc.dg/vect/vect-widen-mult-u8.c: Likewise.
	* gcc.dg/vect/wrapv-vect-reduc-dot-s8b.c: Likewise.

From-SVN: r147286

87 files changed, 277 insertions, 187 deletions

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 1f523be..5c8a16d 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,93 @@
+2009-05-08  H.J. Lu  <hongjiu.lu@intel.com>
+
+	* gcc.dg/vect/no-vfa-vect-37.c: Replace __aligned__(16) with
+	__aligned__(__BIGGEST_ALIGNMENT__).
+	* gcc.dg/vect/no-vfa-vect-43.c: Likewise.
+	* gcc.dg/vect/no-vfa-vect-49.c: Likewise.
+	* gcc.dg/vect/no-vfa-vect-53.c: Likewise.
+	* gcc.dg/vect/no-vfa-vect-57.c: Likewise.
+	* gcc.dg/vect/no-vfa-vect-61.c: Likewise.
+	* gcc.dg/vect/no-vfa-vect-79.c: Likewise.
+	* gcc.dg/vect/Os-vect-95.c: Likewise.
+	* gcc.dg/vect/pr20122.c: Likewise.
+	* gcc.dg/vect/pr36493.c: Likewise.
+	* gcc.dg/vect/pr37385.c: Likewise.
+	* gcc.dg/vect/slp-7.c: Likewise.
+	* gcc.dg/vect/slp-9.c: Likewise.
+	* gcc.dg/vect/slp-widen-mult-s16.c: Likewise.
+	* gcc.dg/vect/slp-widen-mult-u8.c: Likewise.
+	* gcc.dg/vect/vect-35.c: Likewise.
+	* gcc.dg/vect/vect-40.c: Likewise.
+	* gcc.dg/vect/vect-42.c: Likewise.
+	* gcc.dg/vect/vect-44.c: Likewise.
+	* gcc.dg/vect/vect-46.c: Likewise.
+	* gcc.dg/vect/vect-48.c: Likewise.
+	* gcc.dg/vect/vect-52.c: Likewise.
+	* gcc.dg/vect/vect-54.c: Likewise.
+	* gcc.dg/vect/vect-56.c: Likewise.
+	* gcc.dg/vect/vect-58.c: Likewise.
+	* gcc.dg/vect/vect-60.c: Likewise.
+	* gcc.dg/vect/vect-74.c: Likewise.
+	* gcc.dg/vect/vect-75.c: Likewise.
+	* gcc.dg/vect/vect-76.c: Likewise.
+	* gcc.dg/vect/vect-77-alignchecks.c: Likewise.
+	* gcc.dg/vect/vect-77.c: Likewise.
+	* gcc.dg/vect/vect-77-global.c: Likewise.
+	* gcc.dg/vect/vect-78-alignchecks.c: Likewise.
+	* gcc.dg/vect/vect-78.c: Likewise.
+	* gcc.dg/vect/vect-78-global.c: Likewise.
+	* gcc.dg/vect/vect-80.c: Likewise.
+	* gcc.dg/vect/vect-85.c: Likewise.
+	* gcc.dg/vect/vect-87.c: Likewise.
+	* gcc.dg/vect/vect-88.c: Likewise.
+	* gcc.dg/vect/vect-92.c: Likewise.
+	* gcc.dg/vect/vect-93.c: Likewise.
+	* gcc.dg/vect/vect-95.c: Likewise.
+	* gcc.dg/vect/vect-97.c: Likewise.
+	* gcc.dg/vect/vect-complex-1.c: Likewise.
+	* gcc.dg/vect/vect-complex-4.c: Likewise.
+	* gcc.dg/vect/vect-complex-5.c: Likewise.
+	* gcc.dg/vect/vect-multitypes-10.c: Likewise.
+	* gcc.dg/vect/vect-multitypes-11.c: Likewise.
+	* gcc.dg/vect/vect-multitypes-12.c: Likewise.
+	* gcc.dg/vect/vect-multitypes-13.c: Likewise.
+	* gcc.dg/vect/vect-multitypes-14.c: Likewise.
+	* gcc.dg/vect/vect-multitypes-15.c: Likewise.
+	* gcc.dg/vect/vect-multitypes-16.c: Likewise.
+	* gcc.dg/vect/vect-multitypes-17.c: Likewise.
+	* gcc.dg/vect/vect-multitypes-3.c: Likewise.
+	* gcc.dg/vect/vect-multitypes-6.c: Likewise.
+	* gcc.dg/vect/vect-multitypes-7.c: Likewise.
+	* gcc.dg/vect/vect-multitypes-8.c: Likewise.
+	* gcc.dg/vect/vect-multitypes-9.c: Likewise.
+	* gcc.dg/vect/vect-outer-1a.c: Likewise.
+	* gcc.dg/vect/vect-outer-1.c: Likewise.
+	* gcc.dg/vect/vect-outer-2a.c: Likewise.
+	* gcc.dg/vect/vect-outer-2b.c: Likewise.
+	* gcc.dg/vect/vect-outer-2.c: Likewise.
+	* gcc.dg/vect/vect-outer-2c.c: Likewise.
+	* gcc.dg/vect/vect-outer-2d.c: Likewise.
+	* gcc.dg/vect/vect-outer-3a.c: Likewise.
+	* gcc.dg/vect/vect-outer-3b.c: Likewise.
+	* gcc.dg/vect/vect-outer-3.c: Likewise.
+	* gcc.dg/vect/vect-outer-3c.c: Likewise.
+	* gcc.dg/vect/vect-outer-5.c: Likewise.
+	* gcc.dg/vect/vect-outer-6.c: Likewise.
+	* gcc.dg/vect/vect-reduc-dot-s16a.c: Likewise.
+	* gcc.dg/vect/vect-reduc-dot-s16b.c: Likewise.
+	* gcc.dg/vect/vect-reduc-dot-s8a.c: Likewise.
+	* gcc.dg/vect/vect-reduc-dot-s8b.c: Likewise.
+	* gcc.dg/vect/vect-reduc-dot-s8c.c: Likewise.
+	* gcc.dg/vect/vect-reduc-dot-u16a.c: Likewise.
+	* gcc.dg/vect/vect-reduc-dot-u16b.c: Likewise.
+	* gcc.dg/vect/vect-reduc-dot-u8a.c: Likewise.
+	* gcc.dg/vect/vect-reduc-dot-u8b.c: Likewise.
+	* gcc.dg/vect/vect-widen-mult-s16.c: Likewise.
+	* gcc.dg/vect/vect-widen-mult-s8.c: Likewise.
+	* gcc.dg/vect/vect-widen-mult-u16.c: Likewise.
+	* gcc.dg/vect/vect-widen-mult-u8.c: Likewise.
+	* gcc.dg/vect/wrapv-vect-reduc-dot-s8b.c: Likewise.
+
 2009-05-08  Joseph Myers  <joseph@codesourcery.com>
 
 	PR c/24581
diff --git a/gcc/testsuite/gcc.dg/vect/Os-vect-95.c b/gcc/testsuite/gcc.dg/vect/Os-vect-95.c
index be7168b..8f6e53a 100644
--- a/gcc/testsuite/gcc.dg/vect/Os-vect-95.c
+++ b/gcc/testsuite/gcc.dg/vect/Os-vect-95.c
@@ -41,8 +41,8 @@ main1 (int n, float * __restrict__ pd, float * __restrict__ pa, float * __restri
 int main (void)
 {
   int i;
-  float a[N] __attribute__ ((__aligned__(16)));
-  float d[N+1] __attribute__ ((__aligned__(16)));
+  float a[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
+  float d[N+1] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
   float b[N] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57};
   float c[N] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19};
 
diff --git a/gcc/testsuite/gcc.dg/vect/no-vfa-vect-37.c b/gcc/testsuite/gcc.dg/vect/no-vfa-vect-37.c
index bfa0802..dc17239a 100644
--- a/gcc/testsuite/gcc.dg/vect/no-vfa-vect-37.c
+++ b/gcc/testsuite/gcc.dg/vect/no-vfa-vect-37.c
@@ -4,8 +4,8 @@
 #include "tree-vect.h"
 
 #define N 16
-char x[N] __attribute__ ((__aligned__(16)));
-char cb[N] __attribute__ ((__aligned__(16))) = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45};
+char x[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
+char cb[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45};
  
 __attribute__ ((noinline))
 int main1 (char *y)
diff --git a/gcc/testsuite/gcc.dg/vect/no-vfa-vect-43.c b/gcc/testsuite/gcc.dg/vect/no-vfa-vect-43.c
index cd7bb01..13fbc82 100644
--- a/gcc/testsuite/gcc.dg/vect/no-vfa-vect-43.c
+++ b/gcc/testsuite/gcc.dg/vect/no-vfa-vect-43.c
@@ -25,8 +25,8 @@ __attribute__ ((noinline)) int
 main1 (float *pa)
 {
   int i;
-  float pb[N] __attribute__ ((__aligned__(16))) = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57};
-  float pc[N] __attribute__ ((__aligned__(16))) = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19};
+  float pb[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57};
+  float pc[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19};
 
   /* Vectorizable: pa may not alias pb and/or pc, even though their
      addresses escape.  &pa would need to escape to point to escaped memory.  */
@@ -66,7 +66,7 @@ main2 (float * pa)
 int main (void)
 {
   int i;
-  float a[N] __attribute__ ((__aligned__(16)));
+  float a[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
 
   check_vect ();
 
diff --git a/gcc/testsuite/gcc.dg/vect/no-vfa-vect-49.c b/gcc/testsuite/gcc.dg/vect/no-vfa-vect-49.c
index f61dff6..b883a94 100644
--- a/gcc/testsuite/gcc.dg/vect/no-vfa-vect-49.c
+++ b/gcc/testsuite/gcc.dg/vect/no-vfa-vect-49.c
@@ -31,7 +31,7 @@ void bar (float *pa, float *pb, float *pc)
 __attribute__ ((noinline)) int
 main1 (float *pb, float *pc)
 {
-  float pa[N] __attribute__ ((__aligned__(16)));
+  float pa[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
   int i;
 
   for (i = 0; i < N; i++)
@@ -47,8 +47,8 @@ main1 (float *pb, float *pc)
 int main (void)
 {
   int i;
-  float b[N+1] __attribute__ ((__aligned__(16))) = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57,60};
-  float c[N] __attribute__ ((__aligned__(16))) = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19};
+  float b[N+1] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57,60};
+  float c[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19};
 
   check_vect ();
 
diff --git a/gcc/testsuite/gcc.dg/vect/no-vfa-vect-53.c b/gcc/testsuite/gcc.dg/vect/no-vfa-vect-53.c
index fe04694..28deeae 100644
--- a/gcc/testsuite/gcc.dg/vect/no-vfa-vect-53.c
+++ b/gcc/testsuite/gcc.dg/vect/no-vfa-vect-53.c
@@ -31,7 +31,7 @@ void bar (const float *pa, const float *pb, const float *pc)
 __attribute__ ((noinline)) int
 main1 (int n, float *pb, float *pc)
 {
-  float pa[N] __attribute__ ((__aligned__(16)));
+  float pa[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
   int i;
 
   for (i = 0; i < n; i++)
@@ -47,9 +47,9 @@ main1 (int n, float *pb, float *pc)
 int main (void)
 {
   int i;
-  float a[N] __attribute__ ((__aligned__(16)));
-  float b[N+1] __attribute__ ((__aligned__(16))) = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57,60};
-  float c[N+1] __attribute__ ((__aligned__(16))) = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20};
+  float a[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
+  float b[N+1] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57,60};
+  float c[N+1] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20};
 
   check_vect ();
 
diff --git a/gcc/testsuite/gcc.dg/vect/no-vfa-vect-57.c b/gcc/testsuite/gcc.dg/vect/no-vfa-vect-57.c
index 69f79bf..63d332a 100644
--- a/gcc/testsuite/gcc.dg/vect/no-vfa-vect-57.c
+++ b/gcc/testsuite/gcc.dg/vect/no-vfa-vect-57.c
@@ -43,8 +43,8 @@ __attribute__ ((noinline)) int
 main1 (float *pa)
 {
   int i;
-  float b[N] __attribute__ ((__aligned__(16)));
-  float c[N] __attribute__ ((__aligned__(16)));
+  float b[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
+  float c[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
   float *pb = b;
   float *pc = c;
 
@@ -63,7 +63,7 @@ main1 (float *pa)
 int main (void)
 {
   int i;
-  float a[N] __attribute__ ((__aligned__(16)));
+  float a[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
 
   check_vect ();
   main1 (a);
diff --git a/gcc/testsuite/gcc.dg/vect/no-vfa-vect-61.c b/gcc/testsuite/gcc.dg/vect/no-vfa-vect-61.c
index 47b268e..2df45fd 100644
--- a/gcc/testsuite/gcc.dg/vect/no-vfa-vect-61.c
+++ b/gcc/testsuite/gcc.dg/vect/no-vfa-vect-61.c
@@ -44,8 +44,8 @@ __attribute__ ((noinline)) int
 main1 (int n , float *pa)
 {
   int i;
-  float b[N] __attribute__ ((__aligned__(16)));
-  float c[N] __attribute__ ((__aligned__(16)));
+  float b[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
+  float c[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
   float *pb = b;
   float *pc = c;
 
@@ -65,7 +65,7 @@ int main (void)
 {
   int i;
   int n=N;
-  float a[N] __attribute__ ((__aligned__(16)));
+  float a[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
 
   check_vect ();
   main1 (n,a);
diff --git a/gcc/testsuite/gcc.dg/vect/no-vfa-vect-79.c b/gcc/testsuite/gcc.dg/vect/no-vfa-vect-79.c
index f653714..1a694b3 100644
--- a/gcc/testsuite/gcc.dg/vect/no-vfa-vect-79.c
+++ b/gcc/testsuite/gcc.dg/vect/no-vfa-vect-79.c
@@ -5,9 +5,9 @@
 
 #define N 16
 
-float fa[N] __attribute__ ((__aligned__(16)));
-float fb[N+4] __attribute__ ((__aligned__(16))) = {0.0, 1.0, 2.0, 3.0, 4.0, 5.0, 7.0, 9.0, 10.0, 11.0, 12.0, 13.0, 14.0, 15.0, 16.0, 17.0, 18.0, 19.0};
-float fc[N] __attribute__ ((__aligned__(16))) = {0.5, 1.5, 2.5, 3.5, 4.5, 5.5, 7.5, 9.5, 10.5, 11.5, 12.5, 13.5, 14.5, 15.5};
+float fa[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
+float fb[N+4] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0.0, 1.0, 2.0, 3.0, 4.0, 5.0, 7.0, 9.0, 10.0, 11.0, 12.0, 13.0, 14.0, 15.0, 16.0, 17.0, 18.0, 19.0};
+float fc[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0.5, 1.5, 2.5, 3.5, 4.5, 5.5, 7.5, 9.5, 10.5, 11.5, 12.5, 13.5, 14.5, 15.5};
 
 /* Like vect-80.c but the pointers are not annotated as restricted,
    and therefore can't be antialiased.  */
diff --git a/gcc/testsuite/gcc.dg/vect/pr20122.c b/gcc/testsuite/gcc.dg/vect/pr20122.c
index 05948c7..9d21fc6 100644
--- a/gcc/testsuite/gcc.dg/vect/pr20122.c
+++ b/gcc/testsuite/gcc.dg/vect/pr20122.c
@@ -3,7 +3,7 @@
 #include <stdarg.h>
 #include "tree-vect.h"
 
-short Kernshort[24] __attribute__ ((__aligned__(16)));
+short Kernshort[24] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
 static void VecBug(short Kernel[8][24]) __attribute__((noinline));
 static void VecBug2(short Kernel[8][24]) __attribute__((noinline));
 
@@ -21,7 +21,7 @@ static void VecBug(short Kernel[8][24])
 static void VecBug2(short Kernel[8][24])
 {
   int k,i;
-  short Kernshort2[24] __attribute__ ((__aligned__(16)));
+  short Kernshort2[24] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
     for (k = 0; k<8; k++)
         for (i = 0; i<24; i++)
             Kernshort2[i] = Kernel[k][i];
@@ -36,7 +36,7 @@ int main (int argc, char **argv)
 {
     check_vect ();
 
-    short Kernel[8][24] __attribute__ ((__aligned__(16)));
+    short Kernel[8][24] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
     int k,i;
 
     for (k = 0; k<8; k++)
diff --git a/gcc/testsuite/gcc.dg/vect/pr36493.c b/gcc/testsuite/gcc.dg/vect/pr36493.c
index 0a3d202..0a330b0 100644
--- a/gcc/testsuite/gcc.dg/vect/pr36493.c
+++ b/gcc/testsuite/gcc.dg/vect/pr36493.c
@@ -6,7 +6,7 @@ int
 main (void)
 {
   int i;
-  long x[12] __attribute__((aligned(16)));
+  long x[12] __attribute__((aligned(__BIGGEST_ALIGNMENT__)));
 
   x[0] = 1;
   for (i = 0; i < 12; i++)
diff --git a/gcc/testsuite/gcc.dg/vect/pr37385.c b/gcc/testsuite/gcc.dg/vect/pr37385.c
index d6a477e..8b1cf3a 100644
--- a/gcc/testsuite/gcc.dg/vect/pr37385.c
+++ b/gcc/testsuite/gcc.dg/vect/pr37385.c
@@ -4,7 +4,7 @@
 
 typedef int int_t;
 typedef void (*fun_t) (int);
-fun_t fun_tab[400] __attribute__ ((__aligned__(16)));
+fun_t fun_tab[400] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
 
 void foo (int_t a);
 
diff --git a/gcc/testsuite/gcc.dg/vect/slp-7.c b/gcc/testsuite/gcc.dg/vect/slp-7.c
index f00bf54..db9fb04 100644
--- a/gcc/testsuite/gcc.dg/vect/slp-7.c
+++ b/gcc/testsuite/gcc.dg/vect/slp-7.c
@@ -6,8 +6,8 @@
 
 #define N 8 
 
-unsigned int in[N*8]  __attribute__ ((__aligned__(16))) = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63};
-unsigned short in2[N*16]  __attribute__ ((__aligned__(16))) = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63};
+unsigned int in[N*8]  __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63};
+unsigned short in2[N*16]  __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63};
 
 int
 main1 ()
diff --git a/gcc/testsuite/gcc.dg/vect/slp-9.c b/gcc/testsuite/gcc.dg/vect/slp-9.c
index 461f32e..eefb816 100644
--- a/gcc/testsuite/gcc.dg/vect/slp-9.c
+++ b/gcc/testsuite/gcc.dg/vect/slp-9.c
@@ -5,8 +5,8 @@
 
 #define N 64
 
-short X[N] __attribute__ ((__aligned__(16)));
-short Y[N] __attribute__ ((__aligned__(16)));
+short X[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
+short Y[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
 int result[N];
 
 /* short->int widening-mult */
diff --git a/gcc/testsuite/gcc.dg/vect/slp-widen-mult-s16.c b/gcc/testsuite/gcc.dg/vect/slp-widen-mult-s16.c
index 32853d7..2eb73f3 100644
--- a/gcc/testsuite/gcc.dg/vect/slp-widen-mult-s16.c
+++ b/gcc/testsuite/gcc.dg/vect/slp-widen-mult-s16.c
@@ -5,8 +5,8 @@
 
 #define N 64
 
-short X[N] __attribute__ ((__aligned__(16))) = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63};
-short Y[N] __attribute__ ((__aligned__(16))) = {64,63,62,61,60,59,58,57,56,55,54,53,52,51,50,49,48,47,46,45,44,43,42,41,40,39,38,37,36,35,34,33,32,31,30,29,28,27,26,25,24,23,22,21,20,19,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1};
+short X[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63};
+short Y[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {64,63,62,61,60,59,58,57,56,55,54,53,52,51,50,49,48,47,46,45,44,43,42,41,40,39,38,37,36,35,34,33,32,31,30,29,28,27,26,25,24,23,22,21,20,19,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1};
 
 int result[N];
 
diff --git a/gcc/testsuite/gcc.dg/vect/slp-widen-mult-u8.c b/gcc/testsuite/gcc.dg/vect/slp-widen-mult-u8.c
index 2f80ea0..fb3292a 100644
--- a/gcc/testsuite/gcc.dg/vect/slp-widen-mult-u8.c
+++ b/gcc/testsuite/gcc.dg/vect/slp-widen-mult-u8.c
@@ -5,8 +5,8 @@
 
 #define N 64
 
-unsigned char X[N] __attribute__ ((__aligned__(16))) = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63};
-unsigned char Y[N] __attribute__ ((__aligned__(16))) = {64,63,62,61,60,59,58,57,56,55,54,53,52,51,50,49,48,47,46,45,44,43,42,41,40,39,38,37,36,35,34,33,32,31,30,29,28,27,26,25,24,23,22,21,20,19,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1};
+unsigned char X[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63};
+unsigned char Y[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {64,63,62,61,60,59,58,57,56,55,54,53,52,51,50,49,48,47,46,45,44,43,42,41,40,39,38,37,36,35,34,33,32,31,30,29,28,27,26,25,24,23,22,21,20,19,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1};
 
 unsigned short result[N];
 
diff --git a/gcc/testsuite/gcc.dg/vect/vect-35.c b/gcc/testsuite/gcc.dg/vect/vect-35.c
index 62782e7..0f4284a 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-35.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-35.c
@@ -9,8 +9,8 @@ __attribute__ ((noinline))
 int main1 ()
 {  
   union {
-    unsigned char a[N] __attribute__ ((__aligned__(16)));
-    unsigned char b[N] __attribute__ ((__aligned__(16)));
+    unsigned char a[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
+    unsigned char b[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
   } s;
   int i;
 
diff --git a/gcc/testsuite/gcc.dg/vect/vect-40.c b/gcc/testsuite/gcc.dg/vect/vect-40.c
index 83d8cab..a73d155 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-40.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-40.c
@@ -30,9 +30,9 @@ __attribute__ ((noinline)) int
 main1 ()
 {
   int i;
-  float a[N] __attribute__ ((__aligned__(16)));
-  float b[N] __attribute__ ((__aligned__(16))) = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57};
-  float c[N] __attribute__ ((__aligned__(16))) = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19};
+  float a[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
+  float b[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57};
+  float c[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19};
   float *pa = a;
   float *pb = b;
   float *pc = c;
diff --git a/gcc/testsuite/gcc.dg/vect/vect-42.c b/gcc/testsuite/gcc.dg/vect/vect-42.c
index 324e2f8..f1764e1 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-42.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-42.c
@@ -30,8 +30,8 @@ __attribute__ ((noinline)) int
 main1 (float * __restrict__ pa)
 {
   int i;
-  float pb[N] __attribute__ ((__aligned__(16))) = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57};
-  float pc[N] __attribute__ ((__aligned__(16))) = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19};
+  float pb[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57};
+  float pc[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19};
 
   for (i = 0; i < N; i++)
     {
@@ -44,9 +44,9 @@ main1 (float * __restrict__ pa)
 int main (void)
 {
   int i;
-  float a[N] __attribute__ ((__aligned__(16)));
-  float b[N] __attribute__ ((__aligned__(16))) = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57};
-  float c[N] __attribute__ ((__aligned__(16))) = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19};
+  float a[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
+  float b[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57};
+  float c[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19};
 
   check_vect ();
 
diff --git a/gcc/testsuite/gcc.dg/vect/vect-44.c b/gcc/testsuite/gcc.dg/vect/vect-44.c
index d80df10..81c6c1b 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-44.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-44.c
@@ -46,9 +46,9 @@ main1 (float * __restrict__ pa, float * __restrict__ pb, float * __restrict__ pc
 int main (void)
 {
   int i;
-  float a[N+4] __attribute__ ((__aligned__(16)));
-  float b[N+4] __attribute__ ((__aligned__(16))) = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57,60,63,66,69};
-  float c[N+4] __attribute__ ((__aligned__(16))) = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23};
+  float a[N+4] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
+  float b[N+4] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57,60,63,66,69};
+  float c[N+4] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23};
 
   check_vect ();
 
diff --git a/gcc/testsuite/gcc.dg/vect/vect-46.c b/gcc/testsuite/gcc.dg/vect/vect-46.c
index abe35b4..2588a7b 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-46.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-46.c
@@ -30,7 +30,7 @@ __attribute__ ((noinline)) int
 main1 (int n)
 {
   int i;
-  float a[N] __attribute__ ((__aligned__(16)));  float b[N] __attribute__ ((__aligned__(16))) = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57};  float c[N] __attribute__ ((__aligned__(16))) = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19};
+  float a[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));  float b[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57};  float c[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19};
   float *pa = a;
   float *pb = b;
   float *pc = c;
diff --git a/gcc/testsuite/gcc.dg/vect/vect-48.c b/gcc/testsuite/gcc.dg/vect/vect-48.c
index 011b868..e47ee00 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-48.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-48.c
@@ -18,7 +18,7 @@
 __attribute__ ((noinline)) int
 main1 (float *pb, float *pc)
 {
-  float pa[N] __attribute__ ((__aligned__(16)));
+  float pa[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
   int i;
 
   for (i = 0; i < N; i++)
@@ -39,8 +39,8 @@ main1 (float *pb, float *pc)
 int main (void)
 {
   int i;
-  float b[N+1] __attribute__ ((__aligned__(16))) = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57,60};
-  float c[N] __attribute__ ((__aligned__(16))) = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19};
+  float b[N+1] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57,60};
+  float c[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19};
 
   check_vect ();
 
diff --git a/gcc/testsuite/gcc.dg/vect/vect-52.c b/gcc/testsuite/gcc.dg/vect/vect-52.c
index 207e700..af485ab 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-52.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-52.c
@@ -18,7 +18,7 @@
 __attribute__ ((noinline)) int
 main1 (int n, float *pb, float *pc)
 {
-  float pa[N] __attribute__ ((__aligned__(16)));
+  float pa[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
   int i;
 
   for (i = 0; i < n; i++)
@@ -39,9 +39,9 @@ main1 (int n, float *pb, float *pc)
 int main (void)
 {
   int i;
-  float a[N] __attribute__ ((__aligned__(16)));
-  float b[N+1] __attribute__ ((__aligned__(16))) = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57,60};
-  float c[N+1] __attribute__ ((__aligned__(16))) = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20};
+  float a[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
+  float b[N+1] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57,60};
+  float c[N+1] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20};
 
   check_vect ();
 
diff --git a/gcc/testsuite/gcc.dg/vect/vect-54.c b/gcc/testsuite/gcc.dg/vect/vect-54.c
index a44cdd4..629e82d 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-54.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-54.c
@@ -26,14 +26,14 @@ void bar (float *pa, float *pb, float *pc)
    vect-58.c is similar to this one with one difference:
         the loop bound is unknown.  */
 
-float b[N] __attribute__ ((__aligned__(16))) = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57};
-float c[N] __attribute__ ((__aligned__(16))) = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19};
+float b[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57};
+float c[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19};
 
 __attribute__ ((noinline)) int
 main1 ()
 {
   int i;
-  float a[N] __attribute__ ((__aligned__(16)));
+  float a[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
   float *pa = a;
   float *pb = b;
   float *pc = c;
diff --git a/gcc/testsuite/gcc.dg/vect/vect-56.c b/gcc/testsuite/gcc.dg/vect/vect-56.c
index 624a112..e32d855 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-56.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-56.c
@@ -30,14 +30,14 @@ void bar (float *pa, float *pb, float *pc)
    vect-57.c is similar to this one with two differences:
         aliasing is a problem, and the write access has unknown alignment.  */
 
-float b[N] __attribute__ ((__aligned__(16))) = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57};
-float c[N] __attribute__ ((__aligned__(16))) = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19};
+float b[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57};
+float c[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19};
 
 __attribute__ ((noinline)) int
 main1 ()
 {
   int i;
-  float a[N] __attribute__ ((__aligned__(16)));
+  float a[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
   float *pa = a;
   float *pb = b;
   float *pc = c;
diff --git a/gcc/testsuite/gcc.dg/vect/vect-58.c b/gcc/testsuite/gcc.dg/vect/vect-58.c
index fe58860..fa8c91b 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-58.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-58.c
@@ -26,7 +26,7 @@ void bar (float *pa, float *pb, float *pc)
    vect-54.c is similar to this one with one difference:
         the loop bound is known.  */
 
-float a[N] __attribute__ ((__aligned__(16)));  float b[N] __attribute__ ((__aligned__(16))) = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57};  float c[N] __attribute__ ((__aligned__(16))) = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19};
+float a[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));  float b[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57};  float c[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19};
 
 __attribute__ ((noinline)) int
 main1 (int n)
diff --git a/gcc/testsuite/gcc.dg/vect/vect-60.c b/gcc/testsuite/gcc.dg/vect/vect-60.c
index efb1d50..3319e36 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-60.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-60.c
@@ -30,14 +30,14 @@ void bar (float *pa, float *pb, float *pc)
    vect-61.c is similar to this one with two differences:
         aliasing is not a problem, and the write access has unknown alignment.  */
 
-float b[N] __attribute__ ((__aligned__(16))) = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57};
-float c[N] __attribute__ ((__aligned__(16))) = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19};
+float b[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57};
+float c[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19};
 
 __attribute__ ((noinline)) int
 main1 (int n)
 {
   int i;
-  float a[N] __attribute__ ((__aligned__(16)));
+  float a[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
   float *pa = a;
   float *pb = b;
   float *pc = c;
diff --git a/gcc/testsuite/gcc.dg/vect/vect-74.c b/gcc/testsuite/gcc.dg/vect/vect-74.c
index e1e2805..a680b9f 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-74.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-74.c
@@ -9,9 +9,9 @@
    the expression that represents the first location accessed - is
    more involved than just an ssa_name.  */
 
-float a[N] __attribute__ ((__aligned__(16)));
-float b[N+4] __attribute__ ((__aligned__(16))) = {0.0, 1.0, 2.0, 3.0, 4.0, 5.0, 7.0, 9.0, 10.0, 11.0, 12.0, 13.0, 14.0, 15.0, 16.0, 17.0, 18.0, 19.0}; 
-float c[N] __attribute__ ((__aligned__(16))) = {0.5, 1.5, 2.5, 3.5, 4.5, 5.5, 7.5, 9.5, 10.5, 11.5, 12.5, 13.5, 14.5, 15.5};
+float a[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
+float b[N+4] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0.0, 1.0, 2.0, 3.0, 4.0, 5.0, 7.0, 9.0, 10.0, 11.0, 12.0, 13.0, 14.0, 15.0, 16.0, 17.0, 18.0, 19.0}; 
+float c[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0.5, 1.5, 2.5, 3.5, 4.5, 5.5, 7.5, 9.5, 10.5, 11.5, 12.5, 13.5, 14.5, 15.5};
 
 __attribute__ ((noinline)) int
 main1 (float *__restrict__  pa, float * __restrict__ pb, float * __restrict__ pc)
diff --git a/gcc/testsuite/gcc.dg/vect/vect-75.c b/gcc/testsuite/gcc.dg/vect/vect-75.c
index 03c1868..092a301 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-75.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-75.c
@@ -10,7 +10,7 @@
    the expression that represents the first location accessed - is
    more involved than just an ssa_name.  */
 
-int ib[N+OFF] __attribute__ ((__aligned__(16))) = {0, 1, 3, 5, 7, 11, 13, 17, 0, 2, 6, 10, 14, 22, 26, 34};
+int ib[N+OFF] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0, 1, 3, 5, 7, 11, 13, 17, 0, 2, 6, 10, 14, 22, 26, 34};
 
 __attribute__ ((noinline))
 int main1 (int *ib)
diff --git a/gcc/testsuite/gcc.dg/vect/vect-76.c b/gcc/testsuite/gcc.dg/vect/vect-76.c
index 8a2f751..847b5e5 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-76.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-76.c
@@ -10,7 +10,7 @@
    the expression that represents the first location accessed - is
    more involved than just an ssa_name.  */
 
-int ib[N+OFF] __attribute__ ((__aligned__(16))) = {0, 1, 3, 5, 7, 11, 13, 17, 0, 2, 6, 10};
+int ib[N+OFF] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0, 1, 3, 5, 7, 11, 13, 17, 0, 2, 6, 10};
 
 __attribute__ ((noinline))
 int main1 (int *pib)
diff --git a/gcc/testsuite/gcc.dg/vect/vect-77-alignchecks.c b/gcc/testsuite/gcc.dg/vect/vect-77-alignchecks.c
index a3d1b4c..4a05874 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-77-alignchecks.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-77-alignchecks.c
@@ -10,7 +10,7 @@
    the expression that represents the first location accessed - is
    more involved than just an ssa_name.  */
 
-int ib[N+OFF] __attribute__ ((__aligned__(16))) = {0, 1, 3, 5, 7, 11, 13, 17, 0, 2, 6, 10, 14, 22, 26, 34};
+int ib[N+OFF] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0, 1, 3, 5, 7, 11, 13, 17, 0, 2, 6, 10, 14, 22, 26, 34};
 
 __attribute__ ((noinline))
 int main1 (int *ib, int off)
diff --git a/gcc/testsuite/gcc.dg/vect/vect-77-global.c b/gcc/testsuite/gcc.dg/vect/vect-77-global.c
index 38f1443..ac29d7d 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-77-global.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-77-global.c
@@ -10,7 +10,7 @@
    the expression that represents the first location accessed - is
    more involved than just an ssa_name.  */
 
-int ib[N+OFF] __attribute__ ((__aligned__(16))) = {0, 1, 3, 5, 7, 11, 13, 17, 0, 2, 6, 10, 14, 22, 26, 34};
+int ib[N+OFF] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0, 1, 3, 5, 7, 11, 13, 17, 0, 2, 6, 10, 14, 22, 26, 34};
 int ia[N];
 
 __attribute__ ((noinline))
diff --git a/gcc/testsuite/gcc.dg/vect/vect-77.c b/gcc/testsuite/gcc.dg/vect/vect-77.c
index a6eb2ad..07ee0fd 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-77.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-77.c
@@ -10,7 +10,7 @@
    the expression that represents the first location accessed - is
    more involved than just an ssa_name.  */
 
-int ib[N+OFF] __attribute__ ((__aligned__(16))) = {0, 1, 3, 5, 7, 11, 13, 17, 0, 2, 6, 10, 14, 22, 26, 34};
+int ib[N+OFF] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0, 1, 3, 5, 7, 11, 13, 17, 0, 2, 6, 10, 14, 22, 26, 34};
 
 __attribute__ ((noinline))
 int main1 (int *ib, int off)
diff --git a/gcc/testsuite/gcc.dg/vect/vect-78-alignchecks.c b/gcc/testsuite/gcc.dg/vect/vect-78-alignchecks.c
index 5c97b41..71c01ae 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-78-alignchecks.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-78-alignchecks.c
@@ -10,7 +10,7 @@
    the expression that represents the first location accessed - is
    more involved than just an ssa_name.  */
 
-int ib[N+OFF] __attribute__ ((__aligned__(16))) = {0, 1, 3, 5, 7, 11, 13, 17, 0, 2, 6, 10, 14, 22, 26, 34};
+int ib[N+OFF] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0, 1, 3, 5, 7, 11, 13, 17, 0, 2, 6, 10, 14, 22, 26, 34};
 int off = 8;
 
 __attribute__ ((noinline))
diff --git a/gcc/testsuite/gcc.dg/vect/vect-78-global.c b/gcc/testsuite/gcc.dg/vect/vect-78-global.c
index dccc839..ec6520f 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-78-global.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-78-global.c
@@ -11,7 +11,7 @@
    more involved than just an ssa_name.  */
 
 int ia[N];
-int ib[N+OFF] __attribute__ ((__aligned__(16))) = {0, 1, 3, 5, 7, 11, 13, 17, 0, 2, 6, 10, 14, 22, 26, 34};
+int ib[N+OFF] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0, 1, 3, 5, 7, 11, 13, 17, 0, 2, 6, 10, 14, 22, 26, 34};
 int off = 8;
 
 __attribute__ ((noinline))
diff --git a/gcc/testsuite/gcc.dg/vect/vect-78.c b/gcc/testsuite/gcc.dg/vect/vect-78.c
index 67ce20f..12ea12a 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-78.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-78.c
@@ -10,7 +10,7 @@
    the expression that represents the first location accessed - is
    more involved than just an ssa_name.  */
 
-int ib[N+OFF] __attribute__ ((__aligned__(16))) = {0, 1, 3, 5, 7, 11, 13, 17, 0, 2, 6, 10, 14, 22, 26, 34};
+int ib[N+OFF] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0, 1, 3, 5, 7, 11, 13, 17, 0, 2, 6, 10, 14, 22, 26, 34};
 int off = 8;
 
 __attribute__ ((noinline))
diff --git a/gcc/testsuite/gcc.dg/vect/vect-80.c b/gcc/testsuite/gcc.dg/vect/vect-80.c
index beb8d25..fc0ed1b 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-80.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-80.c
@@ -5,9 +5,9 @@
 
 #define N 16
 
-float fa[N] __attribute__ ((__aligned__(16)));
-float fb[N+4] __attribute__ ((__aligned__(16))) = {0.0, 1.0, 2.0, 3.0, 4.0, 5.0, 7.0, 9.0, 10.0, 11.0, 12.0, 13.0, 14.0, 15.0, 16.0, 17.0, 18.0, 19.0};
-float fc[N] __attribute__ ((__aligned__(16))) = {0.5, 1.5, 2.5, 3.5, 4.5, 5.5, 7.5, 9.5, 10.5, 11.5, 12.5, 13.5, 14.5, 15.5};
+float fa[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
+float fb[N+4] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0.0, 1.0, 2.0, 3.0, 4.0, 5.0, 7.0, 9.0, 10.0, 11.0, 12.0, 13.0, 14.0, 15.0, 16.0, 17.0, 18.0, 19.0};
+float fc[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0.5, 1.5, 2.5, 3.5, 4.5, 5.5, 7.5, 9.5, 10.5, 11.5, 12.5, 13.5, 14.5, 15.5};
 
 /* Check handling of accesses for which the "initial condition" -
    the expression that represents the first location accessed - is
diff --git a/gcc/testsuite/gcc.dg/vect/vect-85.c b/gcc/testsuite/gcc.dg/vect/vect-85.c
index 6e8b43e..a5bf5db 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-85.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-85.c
@@ -35,7 +35,7 @@ int main1 (int *a)
 
 int main (void)
 { 
-  int a[N] __attribute__ ((__aligned__(16)));
+  int a[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
 
   check_vect ();
 
diff --git a/gcc/testsuite/gcc.dg/vect/vect-87.c b/gcc/testsuite/gcc.dg/vect/vect-87.c
index 20a0d2d..151091a 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-87.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-87.c
@@ -35,7 +35,7 @@ int main1 (int n, int *a)
 
 int main (void)
 { 
-  int a[N] __attribute__ ((__aligned__(16)));
+  int a[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
 
   check_vect ();
 
diff --git a/gcc/testsuite/gcc.dg/vect/vect-88.c b/gcc/testsuite/gcc.dg/vect/vect-88.c
index 8c231c09..a166633 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-88.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-88.c
@@ -35,7 +35,7 @@ int main1 (int n, int *a)
 
 int main (void)
 { 
-  int a[N+1] __attribute__ ((__aligned__(16)));
+  int a[N+1] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
 
   check_vect ();
 
diff --git a/gcc/testsuite/gcc.dg/vect/vect-92.c b/gcc/testsuite/gcc.dg/vect/vect-92.c
index 94fff98..01c751f 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-92.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-92.c
@@ -5,9 +5,9 @@
 
 #define N 256
 
-float pa[N] __attribute__ ((__aligned__(16)));
-float pb[N] __attribute__ ((__aligned__(16))) = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57};
-float pc[N] __attribute__ ((__aligned__(16))) = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19};
+float pa[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
+float pb[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57};
+float pc[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19};
 
 /* Check handling of unaligned accesses when the misalignment is
    known at compile time and different accesses have the same
diff --git a/gcc/testsuite/gcc.dg/vect/vect-93.c b/gcc/testsuite/gcc.dg/vect/vect-93.c
index b2245c8..351ab04 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-93.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-93.c
@@ -41,8 +41,8 @@ main1 (float *pa)
 int main (void)
 {
   int i;
-  float a[N] __attribute__ ((__aligned__(16)));
-  float b[N] __attribute__ ((__aligned__(16)));
+  float a[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
+  float b[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
 
   check_vect ();
 
diff --git a/gcc/testsuite/gcc.dg/vect/vect-95.c b/gcc/testsuite/gcc.dg/vect/vect-95.c
index aeb5042..ea9f32b 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-95.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-95.c
@@ -42,8 +42,8 @@ main1 (int n, float * __restrict__ pd, float * __restrict__ pa, float * __restri
 int main (void)
 {
   int i;
-  float a[N] __attribute__ ((__aligned__(16)));
-  float d[N+1] __attribute__ ((__aligned__(16)));
+  float a[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
+  float d[N+1] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
   float b[N] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,48,51,54,57};
   float c[N] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19};
 
diff --git a/gcc/testsuite/gcc.dg/vect/vect-97.c b/gcc/testsuite/gcc.dg/vect/vect-97.c
index c95c503..6ea2614 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-97.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-97.c
@@ -5,8 +5,8 @@
 
 #define N 16
  
-char x[N] __attribute__ ((__aligned__(16)));
-char cb[N] __attribute__ ((__aligned__(16))) = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45};
+char x[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
+char cb[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45};
 
 __attribute__ ((noinline))
 int main1 ()
diff --git a/gcc/testsuite/gcc.dg/vect/vect-complex-1.c b/gcc/testsuite/gcc.dg/vect/vect-complex-1.c
index e2d0adc..2c7d5ce 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-complex-1.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-complex-1.c
@@ -6,19 +6,19 @@
 
 #define N 16
 
-_Complex float a[N]  __attribute__ ((__aligned__(16))) =
+_Complex float a[N]  __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) =
     { 10.0F + 20.0iF, 11.0F + 21.0iF, 12.0F + 22.0iF, 13.0F + 23.0iF,
       14.0F + 24.0iF, 15.0F + 25.0iF, 16.0F + 26.0iF, 17.0F + 27.0iF,
       18.0F + 28.0iF, 19.0F + 29.0iF, 20.0F + 30.0iF, 21.0F + 31.0iF,
       22.0F + 32.0iF, 23.0F + 33.0iF, 24.0F + 34.0iF, 25.0F + 35.0iF };
-_Complex float b[N]  __attribute__ ((__aligned__(16))) =
+_Complex float b[N]  __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) =
     { 30.0F + 40.0iF, 31.0F + 41.0iF, 32.0F + 42.0iF, 33.0F + 43.0iF,
       34.0F + 44.0iF, 35.0F + 45.0iF, 36.0F + 46.0iF, 37.0F + 47.0iF,
       38.0F + 48.0iF, 39.0F + 49.0iF, 40.0F + 50.0iF, 41.0F + 51.0iF,
       42.0F + 52.0iF, 43.0F + 53.0iF, 44.0F + 54.0iF, 45.0F + 55.0iF };
 
-_Complex float c[N] __attribute__ ((__aligned__(16)));
-_Complex float res[N] __attribute__ ((__aligned__(16))) =
+_Complex float c[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
+_Complex float res[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) =
     { 40.0F + 60.0iF, 42.0F + 62.0iF, 44.0F + 64.0iF, 46.0F + 66.0iF,
       48.0F + 68.0iF, 50.0F + 70.0iF, 52.0F + 72.0iF, 54.0F + 74.0iF,
       56.0F + 76.0iF, 58.0F + 78.0iF, 60.0F + 80.0iF, 62.0F + 82.0iF,
diff --git a/gcc/testsuite/gcc.dg/vect/vect-complex-4.c b/gcc/testsuite/gcc.dg/vect/vect-complex-4.c
index 85c4165..0e00e78 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-complex-4.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-complex-4.c
@@ -11,7 +11,7 @@ struct foostr {
   _Complex short f2;
 };
 
-struct foostr a[16] __attribute__ ((__aligned__(16))) =
+struct foostr a[16] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) =
   {
     11 + 23i, 24 + 22i,
     11 + 26i, 24 + 35i,
@@ -31,7 +31,7 @@ struct foostr a[16] __attribute__ ((__aligned__(16))) =
     35 + 36i, 34 + 28i,
   };
 
-struct foostr b[16] __attribute__ ((__aligned__(16))) =
+struct foostr b[16] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) =
   {
     37 + 12i, 23 + 15i,
     14 + 11i, 13 + 25i,
@@ -50,7 +50,7 @@ struct foostr b[16] __attribute__ ((__aligned__(16))) =
     25 + 27i, 15 + 30i,
     10 + 31i, 37 + 37i,
   };
-struct foostr c[16] __attribute__ ((__aligned__(16)));
+struct foostr c[16] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
 struct foostr res[N] =
   {
     48 + 35i, 47 + 37i,
diff --git a/gcc/testsuite/gcc.dg/vect/vect-complex-5.c b/gcc/testsuite/gcc.dg/vect/vect-complex-5.c
index 91eb1f5..a17830f 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-complex-5.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-complex-5.c
@@ -11,11 +11,11 @@ struct foostr {
   _Complex short f2;
 };
 
-_Complex short a1[64] __attribute__ ((__aligned__(16)));
-_Complex short a2[64] __attribute__ ((__aligned__(16)));
-_Complex short b1[64] __attribute__ ((__aligned__(16)));
-_Complex short b2[64] __attribute__ ((__aligned__(16)));
-struct foostr c[64] __attribute__ ((__aligned__(16)));
+_Complex short a1[64] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
+_Complex short a2[64] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
+_Complex short b1[64] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
+_Complex short b2[64] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
+struct foostr c[64] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
 
 __attribute__ ((noinline)) void
 foo (void)
diff --git a/gcc/testsuite/gcc.dg/vect/vect-multitypes-10.c b/gcc/testsuite/gcc.dg/vect/vect-multitypes-10.c
index 757af63..175422a 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-multitypes-10.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-multitypes-10.c
@@ -5,11 +5,11 @@
 
 #define N 64
 
-unsigned char uX[N] __attribute__ ((__aligned__(16)));
-unsigned short uY[N] __attribute__ ((__aligned__(16)));
+unsigned char uX[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
+unsigned short uY[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
 unsigned int uresult[N];
-signed char X[N] __attribute__ ((__aligned__(16)));
-signed short Y[N] __attribute__ ((__aligned__(16)));
+signed char X[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
+signed short Y[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
 int result[N];
 
 /* Unsigned type promotion (hi->si) */
diff --git a/gcc/testsuite/gcc.dg/vect/vect-multitypes-11.c b/gcc/testsuite/gcc.dg/vect/vect-multitypes-11.c
index ef66c73..9cb8c1d 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-multitypes-11.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-multitypes-11.c
@@ -5,7 +5,7 @@
 
 #define N 64
 
-short x[N] __attribute__ ((__aligned__(16)));
+short x[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
 
 __attribute__ ((noinline)) int
 foo (int len, int *z) {
diff --git a/gcc/testsuite/gcc.dg/vect/vect-multitypes-12.c b/gcc/testsuite/gcc.dg/vect/vect-multitypes-12.c
index e4d5417..ca34ea4 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-multitypes-12.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-multitypes-12.c
@@ -5,7 +5,7 @@
 
 #define N 64
 
-char x[N] __attribute__ ((__aligned__(16)));
+char x[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
 
 __attribute__ ((noinline)) int
 foo (int len, int *z) {
diff --git a/gcc/testsuite/gcc.dg/vect/vect-multitypes-13.c b/gcc/testsuite/gcc.dg/vect/vect-multitypes-13.c
index 32b3131..a5012ab 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-multitypes-13.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-multitypes-13.c
@@ -5,9 +5,9 @@
 
 #define N 64
 
-unsigned char uX[N] __attribute__ ((__aligned__(16)));
+unsigned char uX[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
 unsigned int uresult[N];
-signed char X[N] __attribute__ ((__aligned__(16)));
+signed char X[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
 int result[N];
 
 /* Unsigned type promotion (qi->si) */
diff --git a/gcc/testsuite/gcc.dg/vect/vect-multitypes-14.c b/gcc/testsuite/gcc.dg/vect/vect-multitypes-14.c
index 970535f..11ff337 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-multitypes-14.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-multitypes-14.c
@@ -5,9 +5,9 @@
 
 #define N 64
 
-unsigned char uX[N] __attribute__ ((__aligned__(16)));
+unsigned char uX[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
 unsigned char uresultX[N];
-unsigned int uY[N] __attribute__ ((__aligned__(16)));
+unsigned int uY[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
 unsigned char uresultY[N];
 
 /* Unsigned type demotion (si->qi) */
diff --git a/gcc/testsuite/gcc.dg/vect/vect-multitypes-15.c b/gcc/testsuite/gcc.dg/vect/vect-multitypes-15.c
index ad09ff9..c96daf8 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-multitypes-15.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-multitypes-15.c
@@ -9,9 +9,9 @@
 #define DOT1 43680
 #define DOT2 -20832
 
-signed char X[N] __attribute__ ((__aligned__(16)));
-signed char Y[N] __attribute__ ((__aligned__(16)));
-unsigned char CX[N] __attribute__ ((__aligned__(16)));
+signed char X[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
+signed char Y[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
+unsigned char CX[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
 
 __attribute__ ((noinline)) void
 foo1(int len) {
diff --git a/gcc/testsuite/gcc.dg/vect/vect-multitypes-16.c b/gcc/testsuite/gcc.dg/vect/vect-multitypes-16.c
index 4192e3d..176333c2 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-multitypes-16.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-multitypes-16.c
@@ -5,7 +5,7 @@
 
 #define N 64
 
-char x[N] __attribute__ ((__aligned__(16))) = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63};
+char x[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63};
 
 __attribute__ ((noinline)) int
 foo (int len, long long *z) {
diff --git a/gcc/testsuite/gcc.dg/vect/vect-multitypes-17.c b/gcc/testsuite/gcc.dg/vect/vect-multitypes-17.c
index 9084fc8..b2f8105 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-multitypes-17.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-multitypes-17.c
@@ -5,9 +5,9 @@
 
 #define N 64
 
-unsigned char uX[N] __attribute__ ((__aligned__(16))) = {16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1};
+unsigned char uX[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1};
 unsigned char uresultX[N];
-unsigned long long uY[N] __attribute__ ((__aligned__(16))) = {16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1};
+unsigned long long uY[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1};
 unsigned char uresultY[N];
 
 /* Unsigned type demotion (si->qi) */
diff --git a/gcc/testsuite/gcc.dg/vect/vect-multitypes-3.c b/gcc/testsuite/gcc.dg/vect/vect-multitypes-3.c
index 22711aa..ba1f660 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-multitypes-3.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-multitypes-3.c
@@ -5,11 +5,11 @@
 
 #define N 32
 
-int ib[N] __attribute__ ((__aligned__(16))) = 
+int ib[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = 
 	{0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45};
-short sb[N] __attribute__ ((__aligned__(16))) = 
+short sb[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = 
 	{0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45};
-char cb[N] __attribute__ ((__aligned__(16))) = 
+char cb[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = 
 	{0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45};
 
 __attribute__ ((noinline)) 
diff --git a/gcc/testsuite/gcc.dg/vect/vect-multitypes-6.c b/gcc/testsuite/gcc.dg/vect/vect-multitypes-6.c
index a4867e4..7d8f5af 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-multitypes-6.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-multitypes-6.c
@@ -5,17 +5,17 @@
 
 #define N 32
 
-unsigned int ic[N] __attribute__ ((__aligned__(16))) = 
+unsigned int ic[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = 
 	{0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45};
-unsigned int ib[N] __attribute__ ((__aligned__(16))) = 
+unsigned int ib[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = 
 	{0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45};
-unsigned short sc[N] __attribute__ ((__aligned__(16))) = 
+unsigned short sc[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = 
 	{0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45};
-unsigned short sb[N] __attribute__ ((__aligned__(16))) = 
+unsigned short sb[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = 
 	{0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45};
-unsigned char cc[N] __attribute__ ((__aligned__(16))) = 
+unsigned char cc[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = 
 	{0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45};
-unsigned char cb[N] __attribute__ ((__aligned__(16))) = 
+unsigned char cb[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = 
 	{0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45,0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45};
 
 __attribute__ ((noinline))
diff --git a/gcc/testsuite/gcc.dg/vect/vect-multitypes-7.c b/gcc/testsuite/gcc.dg/vect/vect-multitypes-7.c
index 8060432..6114b5b 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-multitypes-7.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-multitypes-7.c
@@ -9,9 +9,9 @@
 #define DOT1 43680
 #define DOT2 -20832
 
-signed short X[N] __attribute__ ((__aligned__(16)));
-signed short Y[N] __attribute__ ((__aligned__(16)));
-unsigned char CX[N] __attribute__ ((__aligned__(16)));
+signed short X[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
+signed short Y[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
+unsigned char CX[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
 
 __attribute__ ((noinline)) void
 foo1(int len) {
diff --git a/gcc/testsuite/gcc.dg/vect/vect-multitypes-8.c b/gcc/testsuite/gcc.dg/vect/vect-multitypes-8.c
index 6a71298..25e442f 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-multitypes-8.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-multitypes-8.c
@@ -5,9 +5,9 @@
 
 #define N 64
 
-unsigned char uX[N] __attribute__ ((__aligned__(16)));
+unsigned char uX[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
 unsigned char uresultX[N];
-unsigned int uY[N] __attribute__ ((__aligned__(16)));
+unsigned int uY[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
 unsigned short uresultY[N];
 
 /* Unsigned type demotion (si->hi) */
diff --git a/gcc/testsuite/gcc.dg/vect/vect-multitypes-9.c b/gcc/testsuite/gcc.dg/vect/vect-multitypes-9.c
index 4ac2d0c..54dd25d 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-multitypes-9.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-multitypes-9.c
@@ -5,9 +5,9 @@
 
 #define N 64
 
-unsigned char uX[N] __attribute__ ((__aligned__(16)));
+unsigned char uX[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
 unsigned short uresult[N];
-signed char X[N] __attribute__ ((__aligned__(16)));
+signed char X[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
 short result[N];
 
 /* Unsigned type promotion (qi->hi) */
diff --git a/gcc/testsuite/gcc.dg/vect/vect-outer-1.c b/gcc/testsuite/gcc.dg/vect/vect-outer-1.c
index f189248..f0df5d4 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-outer-1.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-outer-1.c
@@ -1,9 +1,9 @@
 /* { dg-do compile } */
 
 #define N 64
-signed short image[N][N] __attribute__ ((__aligned__(16)));
-signed short block[N][N] __attribute__ ((__aligned__(16)));
-signed short out[N] __attribute__ ((__aligned__(16)));
+signed short image[N][N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
+signed short block[N][N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
+signed short out[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
 
 /* Can't do outer-loop vectorization because of non-consecutive access. */
 
diff --git a/gcc/testsuite/gcc.dg/vect/vect-outer-1a.c b/gcc/testsuite/gcc.dg/vect/vect-outer-1a.c
index 2d90393..3d237b7 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-outer-1a.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-outer-1a.c
@@ -1,8 +1,8 @@
 /* { dg-do compile } */
 
 #define N 64
-signed short image[N][N] __attribute__ ((__aligned__(16)));
-signed short block[N][N] __attribute__ ((__aligned__(16)));
+signed short image[N][N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
+signed short block[N][N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
 
 /* Can't do outer-loop vectorization because of non-consecutive access.
    Currently fails to vectorize because the reduction pattern is not
diff --git a/gcc/testsuite/gcc.dg/vect/vect-outer-2.c b/gcc/testsuite/gcc.dg/vect/vect-outer-2.c
index 604c35a..3870197 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-outer-2.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-outer-2.c
@@ -4,7 +4,7 @@
 #include "tree-vect.h"
 
 #define N 40
-float image[N][N] __attribute__ ((__aligned__(16)));
+float image[N][N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
 float out[N];
 
 /* Outer-loop vectorization.  */
diff --git a/gcc/testsuite/gcc.dg/vect/vect-outer-2a.c b/gcc/testsuite/gcc.dg/vect/vect-outer-2a.c
index aee7973..b8d0e51 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-outer-2a.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-outer-2a.c
@@ -4,7 +4,7 @@
 #include "tree-vect.h"
 
 #define N 40
-float image[N][N][N] __attribute__ ((__aligned__(16)));
+float image[N][N][N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
 
 __attribute__ ((noinline)) void
 foo (){
diff --git a/gcc/testsuite/gcc.dg/vect/vect-outer-2b.c b/gcc/testsuite/gcc.dg/vect/vect-outer-2b.c
index 9d9fb5c..df2e6a7 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-outer-2b.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-outer-2b.c
@@ -3,7 +3,7 @@
 #include "tree-vect.h"
 
 #define N 40
-float image[2*N][N][N] __attribute__ ((__aligned__(16)));
+float image[2*N][N][N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
 
 __attribute__ ((noinline)) void
 foo (){
diff --git a/gcc/testsuite/gcc.dg/vect/vect-outer-2c.c b/gcc/testsuite/gcc.dg/vect/vect-outer-2c.c
index da3748d..0ca8686 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-outer-2c.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-outer-2c.c
@@ -4,7 +4,7 @@
 #include "tree-vect.h"
 
 #define N 40
-float image[2*N][2*N][N] __attribute__ ((__aligned__(16)));
+float image[2*N][2*N][N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
 
 __attribute__ ((noinline)) void
 foo (){
diff --git a/gcc/testsuite/gcc.dg/vect/vect-outer-2d.c b/gcc/testsuite/gcc.dg/vect/vect-outer-2d.c
index af19867..3e19d47 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-outer-2d.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-outer-2d.c
@@ -3,7 +3,7 @@
 #include "tree-vect.h"
 
 #define N 40
-float image[N][N][N+1] __attribute__ ((__aligned__(16)));
+float image[N][N][N+1] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
 
 __attribute__ ((noinline)) void
 foo (){
diff --git a/gcc/testsuite/gcc.dg/vect/vect-outer-3.c b/gcc/testsuite/gcc.dg/vect/vect-outer-3.c
index 5f7a802..924700c 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-outer-3.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-outer-3.c
@@ -3,7 +3,7 @@
 #include "tree-vect.h"
 
 #define N 40
-float image[N][N] __attribute__ ((__aligned__(16)));
+float image[N][N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
 float out[N];
 
 /* Outer-loop vectoriation.  */
diff --git a/gcc/testsuite/gcc.dg/vect/vect-outer-3a.c b/gcc/testsuite/gcc.dg/vect/vect-outer-3a.c
index beade07..4b5107d 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-outer-3a.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-outer-3a.c
@@ -3,7 +3,7 @@
 #include "tree-vect.h"
 
 #define N 40
-float image[N][N+1] __attribute__ ((__aligned__(16)));
+float image[N][N+1] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
 float out[N];
 
 /* Outer-loop vectorization with misaliged accesses in the inner-loop.  */
diff --git a/gcc/testsuite/gcc.dg/vect/vect-outer-3b.c b/gcc/testsuite/gcc.dg/vect/vect-outer-3b.c
index a0ff090..f11cb75 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-outer-3b.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-outer-3b.c
@@ -3,7 +3,7 @@
 #include "tree-vect.h"
 
 #define N 40
-float image[N][N] __attribute__ ((__aligned__(16)));
+float image[N][N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
 float out[N];
 
 /* Outer-loop vectorization with non-consecutive access. Not vectorized yet.  */
diff --git a/gcc/testsuite/gcc.dg/vect/vect-outer-3c.c b/gcc/testsuite/gcc.dg/vect/vect-outer-3c.c
index 149823a..599137b 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-outer-3c.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-outer-3c.c
@@ -3,7 +3,7 @@
 #include "tree-vect.h"
 
 #define N 40
-float image[N][N+1] __attribute__ ((__aligned__(16)));
+float image[N][N+1] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
 float out[N];
 
 /* Outer-loop vectorization.  */
diff --git a/gcc/testsuite/gcc.dg/vect/vect-outer-5.c b/gcc/testsuite/gcc.dg/vect/vect-outer-5.c
index 28dce1b..2fc421e 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-outer-5.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-outer-5.c
@@ -13,10 +13,10 @@ extern void abort(void);
 __attribute__ ((noinline)) 
 int main1 ()
 {  
-  float A[N] __attribute__ ((__aligned__(16)));
-  float B[N] __attribute__ ((__aligned__(16)));
-  float C[N] __attribute__ ((__aligned__(16)));
-  float D[N] __attribute__ ((__aligned__(16)));
+  float A[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
+  float B[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
+  float C[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
+  float D[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
   float E[4] = {0,1,2,480};
   float s;
 
diff --git a/gcc/testsuite/gcc.dg/vect/vect-outer-6.c b/gcc/testsuite/gcc.dg/vect/vect-outer-6.c
index c83943a..572f433 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-outer-6.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-outer-6.c
@@ -7,10 +7,10 @@
 #define N 64
 #define MAX 42
 
-float A[N] __attribute__ ((__aligned__(16)));
-float B[N] __attribute__ ((__aligned__(16)));
-float C[N] __attribute__ ((__aligned__(16)));
-float D[N] __attribute__ ((__aligned__(16)));
+float A[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
+float B[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
+float C[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
+float D[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
 extern void abort(void); 
 
 __attribute__ ((noinline))
diff --git a/gcc/testsuite/gcc.dg/vect/vect-reduc-dot-s16a.c b/gcc/testsuite/gcc.dg/vect/vect-reduc-dot-s16a.c
index b768c6c..6151706 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-reduc-dot-s16a.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-reduc-dot-s16a.c
@@ -6,8 +6,8 @@
 #define N 64
 #define DOT 43680
 
-signed short X[N] __attribute__ ((__aligned__(16)));
-signed short Y[N] __attribute__ ((__aligned__(16)));
+signed short X[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
+signed short Y[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
 
 /* short->int->int dot product.
    Detected as a dot-product pattern.
diff --git a/gcc/testsuite/gcc.dg/vect/vect-reduc-dot-s16b.c b/gcc/testsuite/gcc.dg/vect/vect-reduc-dot-s16b.c
index 587800c..3459a30 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-reduc-dot-s16b.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-reduc-dot-s16b.c
@@ -7,8 +7,8 @@
 
 #define DOT 43680
 
-signed short X[N] __attribute__ ((__aligned__(16)));
-signed short Y[N] __attribute__ ((__aligned__(16)));
+signed short X[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
+signed short Y[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
 
 /* short->short->int dot product.  Should be vectorized on architectures
    supporting vectorized multiplication of two short args with short result,
diff --git a/gcc/testsuite/gcc.dg/vect/vect-reduc-dot-s8a.c b/gcc/testsuite/gcc.dg/vect/vect-reduc-dot-s8a.c
index 66ca021..95a4cdd 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-reduc-dot-s8a.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-reduc-dot-s8a.c
@@ -7,8 +7,8 @@
 
 #define DOT1 43680
 
-signed char X[N] __attribute__ ((__aligned__(16)));
-signed char Y[N] __attribute__ ((__aligned__(16)));
+signed char X[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
+signed char Y[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
 
 /* char->short->int dot product.
    The dot-product pattern should be detected.
diff --git a/gcc/testsuite/gcc.dg/vect/vect-reduc-dot-s8b.c b/gcc/testsuite/gcc.dg/vect/vect-reduc-dot-s8b.c
index 8db7797..ba24af2 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-reduc-dot-s8b.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-reduc-dot-s8b.c
@@ -7,8 +7,8 @@
 
 #define DOT2 -21856
 
-signed char X[N] __attribute__ ((__aligned__(16)));
-signed char Y[N] __attribute__ ((__aligned__(16)));
+signed char X[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
+signed char Y[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
 
 /* char->short->short dot product.
    The dot-product pattern should be detected.
diff --git a/gcc/testsuite/gcc.dg/vect/vect-reduc-dot-s8c.c b/gcc/testsuite/gcc.dg/vect/vect-reduc-dot-s8c.c
index 80377ba..758886e 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-reduc-dot-s8c.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-reduc-dot-s8c.c
@@ -7,8 +7,8 @@
 
 #define DOT3 43680
 
-signed char X[N] __attribute__ ((__aligned__(16)));
-signed char Y[N] __attribute__ ((__aligned__(16)));
+signed char X[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
+signed char Y[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
 
 /* char->int->int dot product. 
    Not detected as a dot-product pattern.  */
diff --git a/gcc/testsuite/gcc.dg/vect/vect-reduc-dot-u16a.c b/gcc/testsuite/gcc.dg/vect/vect-reduc-dot-u16a.c
index eb89ac7..c09750d 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-reduc-dot-u16a.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-reduc-dot-u16a.c
@@ -8,8 +8,8 @@
 #define DOT1 43680
 #define DOT2 43680
 
-unsigned short X[N] __attribute__ ((__aligned__(16)));
-unsigned short Y[N] __attribute__ ((__aligned__(16)));
+unsigned short X[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
+unsigned short Y[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
 
 /* short->short->int dot product. 
    Not detected as a dot-product pattern.
diff --git a/gcc/testsuite/gcc.dg/vect/vect-reduc-dot-u16b.c b/gcc/testsuite/gcc.dg/vect/vect-reduc-dot-u16b.c
index 270a3f4..1a19821 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-reduc-dot-u16b.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-reduc-dot-u16b.c
@@ -7,8 +7,8 @@
 
 #define DOT2 43680
 
-unsigned short X[N] __attribute__ ((__aligned__(16)));
-unsigned short Y[N] __attribute__ ((__aligned__(16)));
+unsigned short X[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
+unsigned short Y[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
 
 /* short->int->int dot product. 
    Currently not detected as a dot-product pattern: the multiplication 
diff --git a/gcc/testsuite/gcc.dg/vect/vect-reduc-dot-u8a.c b/gcc/testsuite/gcc.dg/vect/vect-reduc-dot-u8a.c
index 1934deb..d856754 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-reduc-dot-u8a.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-reduc-dot-u8a.c
@@ -7,8 +7,8 @@
 
 #define DOT 43680
 
-unsigned char X[N] __attribute__ ((__aligned__(16))) = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63};
-unsigned char Y[N] __attribute__ ((__aligned__(16))) = {64,63,62,61,60,59,58,57,56,55,54,53,52,51,50,49,48,47,46,45,44,43,42,41,40,39,38,37,36,35,34,33,32,31,30,29,28,27,26,25,24,23,22,21,20,19,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1};
+unsigned char X[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63};
+unsigned char Y[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {64,63,62,61,60,59,58,57,56,55,54,53,52,51,50,49,48,47,46,45,44,43,42,41,40,39,38,37,36,35,34,33,32,31,30,29,28,27,26,25,24,23,22,21,20,19,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1};
 
 /* char->short->int dot product. 
    Detected as a dot-product pattern.
diff --git a/gcc/testsuite/gcc.dg/vect/vect-reduc-dot-u8b.c b/gcc/testsuite/gcc.dg/vect/vect-reduc-dot-u8b.c
index 3266d1c..01c82b5 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-reduc-dot-u8b.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-reduc-dot-u8b.c
@@ -7,8 +7,8 @@
 
 #define DOT 43680
 
-unsigned char X[N] __attribute__ ((__aligned__(16))) = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63};
-unsigned char Y[N] __attribute__ ((__aligned__(16))) = {64,63,62,61,60,59,58,57,56,55,54,53,52,51,50,49,48,47,46,45,44,43,42,41,40,39,38,37,36,35,34,33,32,31,30,29,28,27,26,25,24,23,22,21,20,19,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1};
+unsigned char X[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63};
+unsigned char Y[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {64,63,62,61,60,59,58,57,56,55,54,53,52,51,50,49,48,47,46,45,44,43,42,41,40,39,38,37,36,35,34,33,32,31,30,29,28,27,26,25,24,23,22,21,20,19,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1};
 
 /* char->short->short dot product. 
    Detected as a dot-product pattern.
diff --git a/gcc/testsuite/gcc.dg/vect/vect-widen-mult-s16.c b/gcc/testsuite/gcc.dg/vect/vect-widen-mult-s16.c
index e63373b..aeb0652 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-widen-mult-s16.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-widen-mult-s16.c
@@ -5,8 +5,8 @@
 
 #define N 64
 
-short X[N] __attribute__ ((__aligned__(16)));
-short Y[N] __attribute__ ((__aligned__(16)));
+short X[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
+short Y[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
 int result[N];
 
 /* short->int widening-mult */
diff --git a/gcc/testsuite/gcc.dg/vect/vect-widen-mult-s8.c b/gcc/testsuite/gcc.dg/vect/vect-widen-mult-s8.c
index 8f79e22..7578352 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-widen-mult-s8.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-widen-mult-s8.c
@@ -5,8 +5,8 @@
 
 #define N 64
 
-signed char X[N] __attribute__ ((__aligned__(16)));
-signed char Y[N] __attribute__ ((__aligned__(16)));
+signed char X[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
+signed char Y[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
 short result[N];
 
 /* char->short widening-mult */
diff --git a/gcc/testsuite/gcc.dg/vect/vect-widen-mult-u16.c b/gcc/testsuite/gcc.dg/vect/vect-widen-mult-u16.c
index 3aa0ff1..9b98c19 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-widen-mult-u16.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-widen-mult-u16.c
@@ -5,8 +5,8 @@
 
 #define N 64
 
-unsigned short X[N] __attribute__ ((__aligned__(16)));
-unsigned short Y[N] __attribute__ ((__aligned__(16)));
+unsigned short X[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
+unsigned short Y[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
 unsigned int result[N];
 
 /* short->int widening-mult */
diff --git a/gcc/testsuite/gcc.dg/vect/vect-widen-mult-u8.c b/gcc/testsuite/gcc.dg/vect/vect-widen-mult-u8.c
index 63bd002..1658f7b 100644
--- a/gcc/testsuite/gcc.dg/vect/vect-widen-mult-u8.c
+++ b/gcc/testsuite/gcc.dg/vect/vect-widen-mult-u8.c
@@ -5,8 +5,8 @@
 
 #define N 64
 
-unsigned char X[N] __attribute__ ((__aligned__(16)));
-unsigned char Y[N] __attribute__ ((__aligned__(16)));
+unsigned char X[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
+unsigned char Y[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
 unsigned short result[N];
 
 /* char->short widening-mult */
diff --git a/gcc/testsuite/gcc.dg/vect/wrapv-vect-reduc-dot-s8b.c b/gcc/testsuite/gcc.dg/vect/wrapv-vect-reduc-dot-s8b.c
index 7fc00e2..68caa8b 100644
--- a/gcc/testsuite/gcc.dg/vect/wrapv-vect-reduc-dot-s8b.c
+++ b/gcc/testsuite/gcc.dg/vect/wrapv-vect-reduc-dot-s8b.c
@@ -7,8 +7,8 @@
 
 #define DOT -21856
 
-signed char X[N] __attribute__ ((__aligned__(16))) = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63};
-signed char Y[N] __attribute__ ((__aligned__(16))) = {64,63,62,61,60,59,58,57,56,55,54,53,52,51,50,49,48,47,46,45,44,43,42,41,40,39,38,37,36,35,34,33,32,31,30,29,28,27,26,25,24,23,22,21,20,19,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1};
+signed char X[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63};
+signed char Y[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__))) = {64,63,62,61,60,59,58,57,56,55,54,53,52,51,50,49,48,47,46,45,44,43,42,41,40,39,38,37,36,35,34,33,32,31,30,29,28,27,26,25,24,23,22,21,20,19,18,17,16,15,14,13,12,11,10,9,8,7,6,5,4,3,2,1};
 
 /* char->short->short dot product.
    The dot-product pattern should be detected.