Introduce Virtio-loopback epsilon release:

Epsilon release introduces a new compatibility layer which make virtio-loopback
design to work with QEMU and rust-vmm vhost-user backend without require any
changes.

Signed-off-by: Timos Ampelikiotis <t.ampelikiotis@virtualopensystems.com>
Change-Id: I52e57563e08a7d0bdc002f8e928ee61ba0c53dd9

1 files changed, 51 insertions, 0 deletions

diff --git a/tests/tcg/cris/libc/check_moveq.c b/tests/tcg/cris/libc/check_moveq.c
new file mode 100644
index 000000000..80f2dff6a
--- /dev/null
+++ b/tests/tcg/cris/libc/check_moveq.c
@@ -0,0 +1,51 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <stdint.h>
+#include "sys.h"
+#include "crisutils.h"
+
+#define cris_moveq(dst, src) \
+               asm volatile ("moveq %1, %0\n" : "=r" (dst) : "i" (src));
+
+
+
+int main(void)
+{
+	int t;
+
+	cris_tst_cc_init();
+	asm volatile ("setf\tzvnc\n");
+	cris_moveq(t, 10);
+	cris_tst_cc(1, 1, 1, 1);
+	if (t != 10)
+		err();
+
+	/* make sure moveq doesn't clobber the zflag.  */
+	cris_tst_cc_init();
+	asm volatile ("setf vnc\n");
+	asm volatile ("clearf z\n");
+	cris_moveq(t, 0);
+	cris_tst_cc(1, 0, 1, 1);
+	if (t != 0)
+		err();
+
+	/* make sure moveq doesn't clobber the nflag.
+	   Also check large immediates  */
+	cris_tst_cc_init();
+	asm volatile ("setf zvc\n");
+	asm volatile ("clearf n\n");
+	cris_moveq(t, -31);
+	cris_tst_cc(0, 1, 1, 1);
+	if (t != -31)
+		err();
+
+	cris_tst_cc_init();
+	asm volatile ("setf nzvc\n");
+	cris_moveq(t, 31);
+	cris_tst_cc(1, 1, 1, 1);
+	if (t != 31)
+		err();
+
+	pass();
+	return 0;
+}