1 files changed, 30 insertions, 0 deletions
diff --git a/qemu/tests/tcg/mips/mips32-dsp/msub.c b/qemu/tests/tcg/mips/mips32-dsp/msub.c
new file mode 100644
index 000000000..5779e6f47
--- /dev/null
+++ b/qemu/tests/tcg/mips/mips32-dsp/msub.c
@@ -0,0 +1,30 @@
+#include<stdio.h>
+#include<assert.h>
+
+int main()
+{
+    int achi, acli, rs, rt;
+    int acho, aclo;
+    int resulth, resultl;
+
+    rs      = 0x00BBAACC;
+    rt      = 0x0B1C3D2F;
+    achi    = 0x00004433;
+    acli    = 0xFFCC0011;
+    resulth = 0xFFF81F29;
+    resultl = 0xB355089D;
+
+    __asm
+        ("mthi %2, $ac1\n\t"
+         "mtlo %3, $ac1\n\t"
+         "msub $ac1, %4, %5\n\t"
+         "mfhi %0, $ac1\n\t"
+         "mflo %1, $ac1\n\t"
+         : "=r"(acho), "=r"(aclo)
+         : "r"(achi), "r"(acli), "r"(rs), "r"(rt)
+        );
+    assert(acho == resulth);
+    assert(aclo == resultl);
+
+    return 0;
+}