Add missing filesve

1 files changed, 57 insertions, 0 deletions

diff --git a/gcc/testsuite/gcc.dg/vect/bb-slp-pr81635.c b/gcc/testsuite/gcc.dg/vect/bb-slp-pr81635.c
new file mode 100644
index 00000000000..357cb429e66
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/vect/bb-slp-pr81635.c
@@ -0,0 +1,57 @@
+/* { dg-do compile } */
+/* { dg-additional-options "-fno-tree-loop-vectorize" } */
+/* { dg-require-effective-target vect_unpack } */
+
+double p[1000];
+double q[1000];
+
+void
+f1 (void)
+{
+  for (unsigned int i = 0; i < 1000; i += 4)
+    {
+      double a = q[i] + p[i];
+      double b = q[i + 1] + p[i + 1];
+      q[i] = a;
+      q[i + 1] = b;
+    }
+}
+
+void
+f2 (void)
+{
+  for (unsigned int i = 0; i < 500; i += 6)
+    for (unsigned int j = 0; j < 500; j += 4)
+      {
+	double a = q[j] + p[i];
+	double b = q[j + 1] + p[i + 1];
+	q[i] = a;
+	q[i + 1] = b;
+      }
+}
+
+void
+f3 (void)
+{
+  for (unsigned int i = 2; i < 1000; i += 4)
+    {
+      double a = q[i - 2] + p[i - 2];
+      double b = q[i - 1] + p[i - 1];
+      q[i - 2] = a;
+      q[i - 1] = b;
+    }
+}
+
+void
+f4 (unsigned int n)
+{
+  for (unsigned int i = 0; i < n; i += 4)
+    {
+      double a = q[i] + p[i];
+      double b = q[i + 1] + p[i + 1];
+      q[i] = a;
+      q[i + 1] = b;
+    }
+}
+
+/* { dg-final { scan-tree-dump-times "basic block vectorized" 4 "slp1" } } */