1 files changed, 30 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/powerpc/versioned-copy-loop.c b/gcc/testsuite/gcc.target/powerpc/versioned-copy-loop.c
new file mode 100644
index 00000000000..bbfd1652e5e
--- /dev/null
+++ b/gcc/testsuite/gcc.target/powerpc/versioned-copy-loop.c
@@ -0,0 +1,30 @@
+/* { dg-do compile } */
+/* { dg-require-effective-target powerpc_p8vector_ok } */
+/* { dg-options "-O3 -fdump-tree-vect-details" } */
+
+/* Verify that a pure copy loop with a vectorization factor of two
+   that requires alignment will not be vectorized.  See the cost
+   model hooks in rs6000.c.  */
+
+typedef long unsigned int size_t;
+typedef unsigned char uint8_t;
+
+extern void *memcpy (void *__restrict __dest, const void *__restrict __src,
+       size_t __n) __attribute__ ((__nothrow__ , __leaf__)) __attribute__ ((__nonnull__ (1, 2)));
+
+void foo (void *dstPtr, const void *srcPtr, void *dstEnd)
+{
+    uint8_t *d = (uint8_t*)dstPtr;
+    const uint8_t *s = (const uint8_t*)srcPtr;
+    uint8_t* const e = (uint8_t*)dstEnd;
+
+    do
+      {
+	memcpy (d, s, 8);
+	d += 8;
+	s += 8;
+      }
+    while (d < e);
+}
+
+/* { dg-final { scan-tree-dump-times "vectorized 0 loops" 1 "vect" } } */