1 files changed, 25 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 000000000..cb09d3f2b
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/pr39315-check.c
@@ -0,0 +1,25 @@
+/* { dg-do compile } */
+
+typedef float __m128 __attribute__ ((__vector_size__ (16)));
+__extension__ typedef __PTRDIFF_TYPE__ ptrdiff_t;
+
+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_t) x) & (align - 1)) != 0)
+    abort ();
+  if (__builtin_memcmp (x, &y, sizeof (y)) != 0)
+    abort ();
+}
+
+int
+main ()
+{
+  foo (&y);
+  return 0;
+}