diff --git a/src/frontend/A32/decoder/thumb32.inc b/src/frontend/A32/decoder/thumb32.inc
index f08efe2d..0eab526a 100644
--- a/src/frontend/A32/decoder/thumb32.inc
+++ b/src/frontend/A32/decoder/thumb32.inc
@@ -270,7 +270,7 @@ INST(thumb32_SMUAD,          "SMUAD",                    "111110110010nnnn1111dd
 //INST(thumb32_SMLAD,          "SMLAD",                    "111110110010------------000-----")
 //INST(thumb32_SMULWY,         "SMULWY",                   "111110110011----1111----000-----")
 //INST(thumb32_SMLAWY,         "SMLAWY",                   "111110110011------------000-----")
-//INST(thumb32_SMUSD,          "SMUSD",                    "111110110100----1111----000-----")
+INST(thumb32_SMUSD,          "SMUSD",                    "111110110100nnnn1111dddd000Mmmmm")
 //INST(thumb32_SMLSD,          "SMLSD",                    "111110110100------------000-----")
 //INST(thumb32_SMMUL,          "SMMUL",                    "111110110101----1111----000-----")
 //INST(thumb32_SMMLA,          "SMMLA",                    "111110110101------------000-----")
diff --git a/src/frontend/A32/translate/impl/thumb32_multiply.cpp b/src/frontend/A32/translate/impl/thumb32_multiply.cpp
index e8a383c8..5110353d 100644
--- a/src/frontend/A32/translate/impl/thumb32_multiply.cpp
+++ b/src/frontend/A32/translate/impl/thumb32_multiply.cpp
@@ -92,6 +92,30 @@ bool ThumbTranslatorVisitor::thumb32_SMUAD(Reg n, Reg d, bool M, Reg m) {
     return true;
 }
 
+bool ThumbTranslatorVisitor::thumb32_SMUSD(Reg n, Reg d, bool M, Reg m) {
+    if (d == Reg::PC || n == Reg::PC || m == Reg::PC) {
+        return UnpredictableInstruction();
+    }
+
+    const IR::U32 n32 = ir.GetRegister(n);
+    const IR::U32 m32 = ir.GetRegister(m);
+    const IR::U32 n_lo = ir.SignExtendHalfToWord(ir.LeastSignificantHalf(n32));
+    const IR::U32 n_hi = ir.ArithmeticShiftRight(n32, ir.Imm8(16), ir.Imm1(0)).result;
+
+    IR::U32 m_lo = ir.SignExtendHalfToWord(ir.LeastSignificantHalf(m32));
+    IR::U32 m_hi = ir.ArithmeticShiftRight(m32, ir.Imm8(16), ir.Imm1(0)).result;
+    if (M) {
+        std::swap(m_lo, m_hi);
+    }
+
+    const IR::U32 product_lo = ir.Mul(n_lo, m_lo);
+    const IR::U32 product_hi = ir.Mul(n_hi, m_hi);
+    const IR::U32 result = ir.Sub(product_lo, product_hi);
+
+    ir.SetRegister(d, result);
+    return true;
+}
+
 bool ThumbTranslatorVisitor::thumb32_SMULXY(Reg n, Reg d, bool N, bool M, Reg m) {
     if (d == Reg::PC || n == Reg::PC || m == Reg::PC) {
         return UnpredictableInstruction();
diff --git a/src/frontend/A32/translate/impl/translate_thumb.h b/src/frontend/A32/translate/impl/translate_thumb.h
index 18c178c4..115ebd3b 100644
--- a/src/frontend/A32/translate/impl/translate_thumb.h
+++ b/src/frontend/A32/translate/impl/translate_thumb.h
@@ -134,6 +134,7 @@ struct ThumbTranslatorVisitor final {
     bool thumb32_MUL(Reg n, Reg d, Reg m);
     bool thumb32_SMLAXY(Reg n, Reg a, Reg d, bool N, bool M, Reg m);
     bool thumb32_SMUAD(Reg n, Reg d, bool M, Reg m);
+    bool thumb32_SMUSD(Reg n, Reg d, bool M, Reg m);
     bool thumb32_SMULXY(Reg n, Reg d, bool N, bool M, Reg m);
     bool thumb32_USAD8(Reg n, Reg d, Reg m);
     bool thumb32_USADA8(Reg n, Reg a, Reg d, Reg m);