1 files changed, 27 insertions, 0 deletions
diff --git a/gcc/testsuite/g++.dg/torture/vshuf-mem.C b/gcc/testsuite/g++.dg/torture/vshuf-mem.C
new file mode 100644
index 0000000..5f1ebf6
--- /dev/null
+++ b/gcc/testsuite/g++.dg/torture/vshuf-mem.C
@@ -0,0 +1,27 @@
+// { dg-options "-std=c++11" }
+// { dg-do run }
+// { dg-additional-options "-march=z14" { target s390*-*-* } }
+
+/* This used to trigger (2024-05-28) the vectorize_vec_perm_const
+   backend hook to be invoked with a MEM source operand.  Extracted
+   from onnxruntime's mlas library.  */
+
+typedef float V4SF __attribute__((vector_size (16)));
+typedef int V4SI __attribute__((vector_size (16)));
+
+template < unsigned I0, unsigned I1, unsigned I2, unsigned I3 > V4SF
+MlasShuffleFloat32x4 (V4SF Vector)
+{
+  return __builtin_shuffle (Vector, Vector, V4SI{I0, I1, I2, I3});
+}
+
+int
+main ()
+{
+  V4SF f = { 1.0f, 2.0f, 3.0f, 4.0f };
+  if (MlasShuffleFloat32x4 < 1, 1, 1, 1 > (f)[3] != 2.0f)
+    __builtin_abort ();
+  if (MlasShuffleFloat32x4 < 3, 3, 3, 3 > (f)[1] != 4.0f)
+    __builtin_abort ();
+  return 0;
+}