diff --git a/src/frontend/A32/decoder/thumb32.inc b/src/frontend/A32/decoder/thumb32.inc
index 71e3e4ef..07354644 100644
--- a/src/frontend/A32/decoder/thumb32.inc
+++ b/src/frontend/A32/decoder/thumb32.inc
@@ -189,7 +189,7 @@ INST(thumb32_BLX_imm,        "BLX (imm)",                "11110Svvvvvvvvvv11j0jv
 //INST(thumb32_LDR_imm12,      "LDR (imm12)",              "111110001101--------------------")
 
 // Data Processing (register)
-//INST(thumb32_LSL_reg,        "LSL (reg)",                "11111010000-----1111----0000----")
+INST(thumb32_LSL_reg,        "LSL (reg)",                "111110100000mmmm1111dddd0000ssss")
 //INST(thumb32_LSR_reg,        "LSR (reg)",                "11111010001-----1111----0000----")
 //INST(thumb32_ASR_reg,        "ASR (reg)",                "11111010010-----1111----0000----")
 //INST(thumb32_ROR_reg,        "ROR (reg)",                "11111010011-----1111----0000----")
diff --git a/src/frontend/A32/translate/impl/thumb32_data_processing_register.cpp b/src/frontend/A32/translate/impl/thumb32_data_processing_register.cpp
index cf6bbf7b..ecd71197 100644
--- a/src/frontend/A32/translate/impl/thumb32_data_processing_register.cpp
+++ b/src/frontend/A32/translate/impl/thumb32_data_processing_register.cpp
@@ -11,6 +11,19 @@ static IR::U32 Rotate(A32::IREmitter& ir, Reg m, SignExtendRotation rotate) {
     return ir.RotateRight(ir.GetRegister(m), ir.Imm8(rotate_by), ir.Imm1(0)).result;
 }
 
+bool ThumbTranslatorVisitor::thumb32_LSL_reg(Reg m, Reg d, Reg s) {
+    if (d == Reg::PC || m == Reg::PC || s == Reg::PC) {
+        return UnpredictableInstruction();
+    }
+
+    const auto shift_s = ir.LeastSignificantByte(ir.GetRegister(s));
+    const auto apsr_c = ir.GetCFlag();
+    const auto result_carry = ir.LogicalShiftLeft(ir.GetRegister(m), shift_s, apsr_c);
+
+    ir.SetRegister(d, result_carry.result);
+    return true;
+}
+
 bool ThumbTranslatorVisitor::thumb32_SXTB(Reg d, SignExtendRotation rotate, Reg m) {
     if (d == 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 5ffecd9d..388abca8 100644
--- a/src/frontend/A32/translate/impl/translate_thumb.h
+++ b/src/frontend/A32/translate/impl/translate_thumb.h
@@ -182,6 +182,7 @@ struct ThumbTranslatorVisitor final {
     bool thumb32_BLX_imm(Imm<1> S, Imm<10> hi, Imm<1> j1, Imm<1> j2, Imm<11> lo);
 
     // thumb32 data processing (register) instructions
+    bool thumb32_LSL_reg(Reg m, Reg d, Reg s);
     bool thumb32_SXTB(Reg d, SignExtendRotation rotate, Reg m);
     bool thumb32_SXTB16(Reg d, SignExtendRotation rotate, Reg m);
     bool thumb32_SXTAB(Reg n, Reg d, SignExtendRotation rotate, Reg m);