Add qemu 2.4.0

Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>

1 files changed, 35 insertions, 0 deletions

diff --git a/qemu/tests/tcg/openrisc/test_sub.c b/qemu/tests/tcg/openrisc/test_sub.c
new file mode 100644
index 000000000..474ec6055
--- /dev/null
+++ b/qemu/tests/tcg/openrisc/test_sub.c
@@ -0,0 +1,35 @@
+#include <stdio.h>
+
+int main(void)
+{
+    int a, b;
+    int result;
+
+    a = 0x100;
+    b = 0x100;
+    result = 0x0;
+    __asm
+    ("l.sub %0, %0, %1\n\t"
+     : "+r"(a)
+     : "r"(b)
+    );
+    if (a != result) {
+        printf("sub error\n");
+        return -1;
+    }
+
+    a = 0xffff;
+    b = 0x1;
+    result = 0xfffe;
+    __asm
+    ("l.sub %0, %0, %1\n\t"
+     : "+r"(a)
+     : "r"(b)
+    );
+    if (a != result) {
+        printf("sub error\n");
+        return -1;
+    }
+
+    return 0;
+}