diff --git a/src/frontend/A64/decoder/a64.inc b/src/frontend/A64/decoder/a64.inc
index e96fe0a4..d33087d9 100644
--- a/src/frontend/A64/decoder/a64.inc
+++ b/src/frontend/A64/decoder/a64.inc
@@ -754,7 +754,7 @@ INST(USHL_2,                 "USHL",                                      "0Q101
 //INST(UQRSHL_2,               "UQRSHL",                                    "0Q101110zz1mmmmm010111nnnnnddddd")
 INST(UMAX,                   "UMAX",                                      "0Q101110zz1mmmmm011001nnnnnddddd")
 INST(UMIN,                   "UMIN",                                      "0Q101110zz1mmmmm011011nnnnnddddd")
-//INST(UABD,                   "UABD",                                      "0Q101110zz1mmmmm011101nnnnnddddd")
+INST(UABD,                   "UABD",                                      "0Q101110zz1mmmmm011101nnnnnddddd")
 //INST(UABA,                   "UABA",                                      "0Q101110zz1mmmmm011111nnnnnddddd")
 INST(SUB_2,                  "SUB (vector)",                              "0Q101110zz1mmmmm100001nnnnnddddd")
 INST(CMEQ_reg_2,             "CMEQ (register)",                           "0Q101110zz1mmmmm100011nnnnnddddd")
diff --git a/src/frontend/A64/translate/impl/simd_three_same.cpp b/src/frontend/A64/translate/impl/simd_three_same.cpp
index f97cd6fc..b389eb50 100644
--- a/src/frontend/A64/translate/impl/simd_three_same.cpp
+++ b/src/frontend/A64/translate/impl/simd_three_same.cpp
@@ -227,6 +227,22 @@ bool TranslatorVisitor::UMAX(bool Q, Imm<2> size, Vec Vm, Vec Vn, Vec Vd) {
     return true;
 }
 
+bool TranslatorVisitor::UABD(bool Q, Imm<2> size, Vec Vm, Vec Vn, Vec Vd) {
+    if (size == 0b11) {
+        return ReservedValue();
+    }
+
+    const size_t datasize = Q ? 128 : 64;
+    const size_t esize = 8 << size.ZeroExtend();
+
+    const IR::U128 operand1 = V(datasize, Vn);
+    const IR::U128 operand2 = V(datasize, Vm);
+    const IR::U128 result = ir.VectorUnsignedAbsoluteDifference(esize, operand1, operand2);
+
+    V(datasize, Vd, result);
+    return true;
+}
+
 bool TranslatorVisitor::UMIN(bool Q, Imm<2> size, Vec Vm, Vec Vn, Vec Vd) {
     if (size == 0b11) {
         return ReservedValue();