tree-optimization/117147 - add testcase

The following adds a testcase for the PR.

	PR tree-optimization/117147
	* gcc.dg/vect/pr117147.c: New testcase.

diff --git a/gcc/testsuite/gcc.dg/vect/pr117147.c b/gcc/testsuite/gcc.dg/vect/pr117147.c
new file mode 100644 (file)
index 0000000..bc20fa8
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/vect/pr117147.c
@@ -0,0 +1,19 @@
+/* { dg-do compile } */
+/* { dg-additional-options "-mavx512f" { target { x86_64-*-* i?86-*-* } } } */
+
+double Test(int p, double *sum3, double *sum4, double *wX)
+{
+  double tmp;
+  double bS1 = 0.;
+  double bS2 = 0.;
+  for (int i = 0; i < p; ++i)
+    {
+      tmp = wX[i] * wX[i];
+      if (tmp != 0.0)
+       {
+         bS1 += sum3[i] * sum3[i] / (tmp * wX[i]);
+         bS2 += sum4[i] / tmp;
+       }
+    }
+  return (bS2 + bS1);
+}