Add qemu 2.4.0

[kvmfornfv.git] / qemu / tests / tcg / openrisc / test_sub.c

diff --git a/qemu/tests/tcg/openrisc/test_sub.c b/qemu/tests/tcg/openrisc/test_sub.c
new file mode 100644 (file)
index 0000000..474ec60
--- /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;
+}