1 files changed, 22 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.target/i386/pr39315-check.c b/gcc/testsuite/gcc.target/i386/pr39315-check.c
new file mode 100644
index 00000000000..ff926057536
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/pr39315-check.c
@@ -0,0 +1,22 @@
+typedef float __m128 __attribute__ ((__vector_size__ (16)));
+
+extern void foo (__m128 *);
+extern void abort (void);
+
+__m128 y = { 0.0, 1.0, 2.0, 3.0 };
+
+void
+bar (__m128 *x, int align)
+{
+  if ((((__PTRDIFF_TYPE__) x) & (align - 1)) != 0)
+    abort ();
+  if (__builtin_memcmp (x, &y, sizeof (y)) != 0)
+    abort ();
+}
+
+int
+main ()
+{
+  foo (&y);
+  return 0;
+}