[gcc r15-4352] tree-optimization/117147 - add testcase

[Richard Biener via Gcc-cvs]

https://gcc.gnu.org/g:1aac888fac6cff63a3d6522bcf9b8439e14320ad

commit r15-4352-g1aac888fac6cff63a3d6522bcf9b8439e14320ad
Author: Richard Biener <rguent...@suse.de>
Date:   Tue Oct 15 11:36:33 2024 +0200

    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:
---
 gcc/testsuite/gcc.dg/vect/pr117147.c | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/gcc/testsuite/gcc.dg/vect/pr117147.c 
b/gcc/testsuite/gcc.dg/vect/pr117147.c
new file mode 100644
index 000000000000..bc20fa8741bc
--- /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);
+}