VAX: Add a test for the `cpymemhi' instruction

	gcc/testsuite/
	* gcc.target/vax/cpymem.c: New test.

diff --git a/gcc/testsuite/gcc.target/vax/cpymem.c b/gcc/testsuite/gcc.target/vax/cpymem.c
new file mode 100644 (file)
index 0000000..91805a1
--- /dev/null
+++ b/gcc/testsuite/gcc.target/vax/cpymem.c
@@ -0,0 +1,23 @@
+/* { dg-do compile } */
+/* { dg-skip-if "code quality test" { *-*-* } { "-O0" } { "" } } */
+
+#include <stddef.h>
+
+void *
+memcpy8 (void *to, const void *from, size_t size)
+{
+  unsigned char s8 = size;
+  return __builtin_memcpy (to, from, s8);
+}
+
+/* Expect assembly like:
+
+       movl 4(%ap),%r6
+       movzbl 12(%ap),%r7
+       movl 8(%ap),%r8
+       movc3 %r7,(%r8),(%r6)
+       movl %r6,%r0
+
+ */
+
+/* { dg-final { scan-assembler "\tmovc3 " } } */