diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index a0c21af8..b358319f 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -97,6 +97,7 @@ add_library(dynarmic
     frontend/A64/translate/impl/move_wide.cpp
     frontend/A64/translate/impl/simd_aes.cpp
     frontend/A64/translate/impl/simd_copy.cpp
+    frontend/A64/translate/impl/simd_crypto_four_register.cpp
     frontend/A64/translate/impl/simd_modified_immediate.cpp
     frontend/A64/translate/impl/simd_permute.cpp
     frontend/A64/translate/impl/simd_scalar_pairwise.cpp
diff --git a/src/frontend/A64/decoder/a64.inc b/src/frontend/A64/decoder/a64.inc
index ca2125be..6eb38953 100644
--- a/src/frontend/A64/decoder/a64.inc
+++ b/src/frontend/A64/decoder/a64.inc
@@ -865,8 +865,8 @@ INST(USHLL,                  "USHLL, USHLL2",                             "0Q101
 //INST(SM4EKEY,                "SM4EKEY",                                   "11001110011mmmmm110010nnnnnddddd")
 
 // Data Processing - FP and SIMD - Cryptographic four register
-//INST(EOR3,                   "EOR3",                                      "11001110000mmmmm0aaaaannnnnddddd")
-//INST(BCAX,                   "BCAX",                                      "11001110001mmmmm0aaaaannnnnddddd")
+INST(EOR3,                   "EOR3",                                      "11001110000mmmmm0aaaaannnnnddddd")
+INST(BCAX,                   "BCAX",                                      "11001110001mmmmm0aaaaannnnnddddd")
 //INST(SM3SS1,                 "SM3SS1",                                    "11001110010mmmmm0aaaaannnnnddddd")
 
 // Data Processing - FP and SIMD - SHA512 two register
diff --git a/src/frontend/A64/translate/impl/simd_crypto_four_register.cpp b/src/frontend/A64/translate/impl/simd_crypto_four_register.cpp
new file mode 100644
index 00000000..bdfb1787
--- /dev/null
+++ b/src/frontend/A64/translate/impl/simd_crypto_four_register.cpp
@@ -0,0 +1,33 @@
+/* This file is part of the dynarmic project.
+ * Copyright (c) 2018 MerryMage
+ * This software may be used and distributed according to the terms of the GNU
+ * General Public License version 2 or any later version.
+ */
+
+#include "frontend/A64/translate/impl/impl.h"
+
+namespace Dynarmic::A64 {
+
+bool TranslatorVisitor::EOR3(Vec Vm, Vec Va, Vec Vn, Vec Vd) {
+    const IR::U128 a = ir.GetQ(Va);
+    const IR::U128 m = ir.GetQ(Vm);
+    const IR::U128 n = ir.GetQ(Vn);
+
+    const IR::U128 result = ir.VectorEor(ir.VectorEor(n, m), a);
+
+    ir.SetQ(Vd, result);
+    return true;
+}
+
+bool TranslatorVisitor::BCAX(Vec Vm, Vec Va, Vec Vn, Vec Vd) {
+    const IR::U128 a = ir.GetQ(Va);
+    const IR::U128 m = ir.GetQ(Vm);
+    const IR::U128 n = ir.GetQ(Vn);
+
+    const IR::U128 result = ir.VectorEor(n, ir.VectorAnd(m, ir.VectorNot(a)));
+
+    ir.SetQ(Vd, result);
+    return true;
+}
+
+} // namespace Dynarmic::A64