diff --git a/src/frontend/A64/decoder/a64.inc b/src/frontend/A64/decoder/a64.inc
index b4875e1d..dc9404d7 100644
--- a/src/frontend/A64/decoder/a64.inc
+++ b/src/frontend/A64/decoder/a64.inc
@@ -325,7 +325,7 @@ INST(AESIMC,                 "AESIMC",                                    "01001
 //INST(SHA1C,                  "SHA1C",                                     "01011110000mmmmm000000nnnnnddddd")
 //INST(SHA1P,                  "SHA1P",                                     "01011110000mmmmm000100nnnnnddddd")
 //INST(SHA1M,                  "SHA1M",                                     "01011110000mmmmm001000nnnnnddddd")
-//INST(SHA1SU0,                "SHA1SU0",                                   "01011110000mmmmm001100nnnnnddddd")
+INST(SHA1SU0,                "SHA1SU0",                                   "01011110000mmmmm001100nnnnnddddd")
 //INST(SHA256H,                "SHA256H",                                   "01011110000mmmmm010000nnnnnddddd")
 //INST(SHA256H2,               "SHA256H2",                                  "01011110000mmmmm010100nnnnnddddd")
 //INST(SHA256SU1,              "SHA256SU1",                                 "01011110000mmmmm011000nnnnnddddd")
diff --git a/src/frontend/A64/translate/impl/simd_sha.cpp b/src/frontend/A64/translate/impl/simd_sha.cpp
index 55624a26..d9190ee8 100644
--- a/src/frontend/A64/translate/impl/simd_sha.cpp
+++ b/src/frontend/A64/translate/impl/simd_sha.cpp
@@ -8,6 +8,26 @@
 
 namespace Dynarmic::A64 {
 
+bool TranslatorVisitor::SHA1SU0(Vec Vm, Vec Vn, Vec Vd) {
+    const IR::U128 d = ir.GetQ(Vd);
+    const IR::U128 m = ir.GetQ(Vm);
+    const IR::U128 n = ir.GetQ(Vn);
+
+    IR::U128 result = [&] {
+        const IR::U64 d_high = ir.VectorGetElement(64, d, 1);
+        const IR::U64 n_low = ir.VectorGetElement(64, n, 0);
+        const IR::U128 zero = ir.ZeroVector();
+
+        const IR::U128 tmp1 = ir.VectorSetElement(64, zero, 0, d_high);
+        return ir.VectorSetElement(64, tmp1, 1, n_low);
+    }();
+
+    result = ir.VectorEor(ir.VectorEor(result, d), m);
+
+    ir.SetQ(Vd, result);
+    return true;
+}
+
 bool TranslatorVisitor::SHA1H(Vec Vn, Vec Vd) {
     const IR::U128 data = ir.GetS(Vn);