1 files changed, 37 insertions, 0 deletions
diff --git a/qemu/tests/tcg/mips/mips64-dsp/prependw.c b/qemu/tests/tcg/mips/mips64-dsp/prependw.c
new file mode 100644
index 000000000..d91bd2023
--- /dev/null
+++ b/qemu/tests/tcg/mips/mips64-dsp/prependw.c
@@ -0,0 +1,37 @@
+#include "io.h"
+
+int main(void)
+{
+    long long rt, rs;
+    long long res;
+    rt = 0x1234567887654321;
+    rs = 0xabcd1234abcd8765;
+
+    res = 0x1234567887654321;
+    __asm
+        ("prependw %0, %1, 0x0\n\t"
+         : "=r"(rt)
+         : "r"(rs)
+        );
+
+    if (rt != res) {
+        printf("prependw error\n");
+        return -1;
+    }
+
+    rt = 0x1234567887654321;
+    rs = 0xabcd1234abcd8765;
+
+    res = 0x5123456788765432;
+    __asm
+        ("prependw %0, %1, 0x4\n\t"
+         : "=r"(rt)
+         : "r"(rs)
+        );
+
+    if (rt != res) {
+        printf("prependw error\n");
+        return -1;
+    }
+    return 0;
+}