diff --git a/src/frontend/A64/decoder/a64.inc b/src/frontend/A64/decoder/a64.inc
index da4f3b1e..72a725b2 100644
--- a/src/frontend/A64/decoder/a64.inc
+++ b/src/frontend/A64/decoder/a64.inc
@@ -681,9 +681,9 @@ INST(SADDW,                  "SADDW, SADDW2",                             "0Q001
 INST(SSUBL,                  "SSUBL, SSUBL2",                             "0Q001110zz1mmmmm001000nnnnnddddd")
 INST(SSUBW,                  "SSUBW, SSUBW2",                             "0Q001110zz1mmmmm001100nnnnnddddd")
 INST(ADDHN,                  "ADDHN, ADDHN2",                             "0Q001110zz1mmmmm010000nnnnnddddd")
-//INST(SABAL,                  "SABAL, SABAL2",                             "0Q001110zz1mmmmm010100nnnnnddddd")
+INST(SABAL,                  "SABAL, SABAL2",                             "0Q001110zz1mmmmm010100nnnnnddddd")
 INST(SUBHN,                  "SUBHN, SUBHN2",                             "0Q001110zz1mmmmm011000nnnnnddddd")
-//INST(SABDL,                  "SABDL, SABDL2",                             "0Q001110zz1mmmmm011100nnnnnddddd")
+INST(SABDL,                  "SABDL, SABDL2",                             "0Q001110zz1mmmmm011100nnnnnddddd")
 //INST(SMLAL_vec,              "SMLAL, SMLAL2 (vector)",                    "0Q001110zz1mmmmm100000nnnnnddddd")
 //INST(SMLSL_vec,              "SMLSL, SMLSL2 (vector)",                    "0Q001110zz1mmmmm101000nnnnnddddd")
 //INST(SMULL_vec,              "SMULL, SMULL2 (vector)",                    "0Q001110zz1mmmmm110000nnnnnddddd")
diff --git a/src/frontend/A64/translate/impl/simd_three_different.cpp b/src/frontend/A64/translate/impl/simd_three_different.cpp
index 82b5e94e..b08be1cc 100644
--- a/src/frontend/A64/translate/impl/simd_three_different.cpp
+++ b/src/frontend/A64/translate/impl/simd_three_different.cpp
@@ -13,14 +13,20 @@ enum class AbsoluteDifferenceBehavior {
     Accumulate
 };
 
-void UnsignedAbsoluteDifferenceLong(TranslatorVisitor& v, bool Q, Imm<2> size, Vec Vm, Vec Vn, Vec Vd,
-                                    AbsoluteDifferenceBehavior behavior) {
+enum class Signedness {
+    Signed,
+    Unsigned
+};
+
+void AbsoluteDifferenceLong(TranslatorVisitor& v, bool Q, Imm<2> size, Vec Vm, Vec Vn, Vec Vd,
+                            AbsoluteDifferenceBehavior behavior, Signedness sign) {
     const size_t esize = 8 << size.ZeroExtend();
     const size_t datasize = 64;
 
     const IR::U128 operand1 = v.ir.VectorZeroExtend(esize, v.Vpart(datasize, Vn, Q));
     const IR::U128 operand2 = v.ir.VectorZeroExtend(esize, v.Vpart(datasize, Vm, Q));
-    IR::U128 result = v.ir.VectorUnsignedAbsoluteDifference(esize, operand1, operand2);
+    IR::U128 result = sign == Signedness::Signed ? v.ir.VectorSignedAbsoluteDifference(esize, operand1, operand2)
+                                                 : v.ir.VectorUnsignedAbsoluteDifference(esize, operand1, operand2);
 
     if (behavior == AbsoluteDifferenceBehavior::Accumulate) {
         const IR::U128 data = v.V(2 * datasize, Vd);
@@ -31,6 +37,24 @@ void UnsignedAbsoluteDifferenceLong(TranslatorVisitor& v, bool Q, Imm<2> size, V
 }
 } // Anonymous namespace
 
+bool TranslatorVisitor::SABAL(bool Q, Imm<2> size, Vec Vm, Vec Vn, Vec Vd) {
+    if (size == 0b11) {
+        return ReservedValue();
+    }
+
+    AbsoluteDifferenceLong(*this, Q, size, Vm, Vn, Vd, AbsoluteDifferenceBehavior::Accumulate, Signedness::Signed);
+    return true;
+}
+
+bool TranslatorVisitor::SABDL(bool Q, Imm<2> size, Vec Vm, Vec Vn, Vec Vd) {
+    if (size == 0b11) {
+        return ReservedValue();
+    }
+
+    AbsoluteDifferenceLong(*this, Q, size, Vm, Vn, Vd, AbsoluteDifferenceBehavior::None, Signedness::Signed);
+    return true;
+}
+
 bool TranslatorVisitor::SADDL(bool Q, Imm<2> size, Vec Vm, Vec Vn, Vec Vd) {
     if (size == 0b11) {
         return ReservedValue();
@@ -116,7 +140,7 @@ bool TranslatorVisitor::UABAL(bool Q, Imm<2> size, Vec Vm, Vec Vn, Vec Vd) {
         return ReservedValue();
     }
     
-    UnsignedAbsoluteDifferenceLong(*this, Q, size, Vm, Vn, Vd, AbsoluteDifferenceBehavior::Accumulate);
+    AbsoluteDifferenceLong(*this, Q, size, Vm, Vn, Vd, AbsoluteDifferenceBehavior::Accumulate, Signedness::Unsigned);
     return true;
 }
 
@@ -125,7 +149,7 @@ bool TranslatorVisitor::UABDL(bool Q, Imm<2> size, Vec Vm, Vec Vn, Vec Vd) {
         return ReservedValue();
     }
 
-    UnsignedAbsoluteDifferenceLong(*this, Q, size, Vm, Vn, Vd, AbsoluteDifferenceBehavior::None);
+    AbsoluteDifferenceLong(*this, Q, size, Vm, Vn, Vd, AbsoluteDifferenceBehavior::None, Signedness::Unsigned);
     return true;
 }