1 files changed, 39 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/vmx/bug-1.c b/gcc/testsuite/gcc.dg/vmx/bug-1.c
new file mode 100644
index 000000000..fdf392d5f
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/vmx/bug-1.c
@@ -0,0 +1,39 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <stddef.h>
+#include <altivec.h>
+
+#define NPAGES 20
+#define NSKIP 10
+static vector float big[NPAGES*4096/16] = { {1,1,1,1} };
+/* NPAGES pages worth.  */
+
+static int failed;
+
+static void f(vector float *p)
+{
+  int i = 1;
+  p = (vector float *)(((ptrdiff_t)p + 4095) & ~4095);
+
+  i += NSKIP;
+  p += NSKIP*4096/16;
+
+  while (i < NPAGES)
+    {
+      if (!vec_all_eq(*p,((vector float){0,0,0,0})))
+	{
+	  printf("*p isn't zero at 0x%p, page %d\n", p, i);
+	  failed++;
+	}
+      i++;
+      p += 4096/16;
+    }
+}
+
+int main(void)
+{
+  f(big);
+  if (failed)
+    abort ();
+  return 0;
+}