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, 43 insertions, 0 deletions

diff --git a/tests/tcg/openrisc/test_sfne.c b/tests/tcg/openrisc/test_sfne.c
new file mode 100644
index 000000000..b33a35cf9
--- /dev/null
+++ b/tests/tcg/openrisc/test_sfne.c
@@ -0,0 +1,43 @@
+#include <stdio.h>
+
+int main(void)
+{
+    int a, b;
+    int result;
+
+    a = 0;
+    b = 3;
+    result = 3;
+    __asm
+    ("1:\n\t"
+     "l.addi   %0, %0, 3\n\t"
+     "l.sfne   %0, %1\n\t"
+     "l.bf 1b\n\t"
+     "l.nop\n\t"
+     : "+r"(a)
+     : "r"(b)
+    );
+    if (a != result) {
+        printf("sfne error\n");
+        return -1;
+    }
+
+    a = 0;
+    b = 3;
+    result = 3;
+    __asm
+    ("1:\n\t"
+     "l.addi   %0, %0, 1\n\t"
+     "l.sfne   %0, %1\n\t"
+     "l.bf 1b\n\t"
+     "l.nop\n\t"
+     : "+r"(a)
+     : "r"(b)
+    );
+    if (a != result) {
+        printf("sfne error\n");
+        return -1;
+    }
+
+    return 0;
+}