obtained gcc-4.6.4.tar.bz2 from upstream website;upstream

verified gcc-4.6.4.tar.bz2.sig;
imported gcc-4.6.4 source tree from verified upstream tarball.

downloading a git-generated archive based on the 'upstream' tag
should provide you with a source tree that is binary identical
to the one extracted from the above tarball.

if you have obtained the source via the command 'git clone',
however, do note that line-endings of files in your working
directory might differ from line-endings of the respective
files in the upstream repository.

1 files changed, 58 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.dg/vect/vect-6.c b/gcc/testsuite/gcc.dg/vect/vect-6.c
new file mode 100644
index 000000000..5f2e0ea59
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/vect/vect-6.c
@@ -0,0 +1,58 @@
+/* { dg-require-effective-target vect_float } */
+
+#include <stdarg.h>
+#include "tree-vect.h"
+
+#define N 16
+
+float results1[N] = {192.00,240.00,288.00,336.00,384.00,432.00,480.00,528.00,0.00};
+float results2[N] = {0.00,0.00,0.00,0.00,0.00,0.00,0.00,0.00,0.00,54.00,120.00,198.00,288.00,390.00,504.00,630.00};
+float a[N] = {0};
+float e[N] = {0};
+float b[N] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45};
+float c[N] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15};
+
+__attribute__ ((noinline))
+int main1 ()
+{
+  int i;
+
+  for (i = 0; i < N/2; i++)
+    { 
+      a[i] = b[i+N/2] * c[i+N/2] - b[i] * c[i];
+      e[i+N/2] = b[i] * c[i+N/2] + b[i+N/2] * c[i];
+    }
+
+  /* check results:  */
+  for (i=0; i<N; i++)
+    {
+      if (a[i] != results1[i] || e[i] != results2[i])
+	abort(); 
+    }
+
+
+  for (i = 1; i <=N-4; i++)
+    {
+      a[i+3] = b[i-1];
+    }
+
+  /* check results:  */
+  for (i = 1; i <=N-4; i++)
+    {
+      if (a[i+3] != b[i-1])
+        abort ();
+    }
+
+  return 0;
+}
+
+int main (void)
+{
+  check_vect ();
+
+  return main1 ();
+}
+
+/* { dg-final { scan-tree-dump-times "vectorized 2 loops" 1 "vect" } } */
+/* { dg-final { scan-tree-dump-times "Vectorizing an unaligned access" 0 "vect" } } */
+/* { dg-final { cleanup-tree-dump "vect" } } */