diff --git a/src/frontend/A64/decoder/a64.inc b/src/frontend/A64/decoder/a64.inc
index 11e50606..a21e139d 100644
--- a/src/frontend/A64/decoder/a64.inc
+++ b/src/frontend/A64/decoder/a64.inc
@@ -174,7 +174,7 @@ INST(UnallocatedEncoding,    "",                                          "--101
 INST(STURx_LDURx,            "STURx/LDURx",                               "zz111000oo0iiiiiiiii00nnnnnttttt")
 INST(UnallocatedEncoding,    "",                                          "111110001-0---------00----------")
 INST(UnallocatedEncoding,    "",                                          "10111000110---------00----------")
-//INST(PRFM_imm,               "PRFM (immediate)",                          "1111100110iiiiiiiiiiiinnnnnttttt")
+INST(PRFM_imm,               "PRFM (immediate)",                          "1111100110iiiiiiiiiiiinnnnnttttt")
 INST(STUR_fpsimd,            "STUR (SIMD&FP)",                            "zz111100o00iiiiiiiii00nnnnnttttt")
 INST(LDUR_fpsimd,            "LDUR (SIMD&FP)",                            "zz111100o10iiiiiiiii00nnnnnttttt")
 
diff --git a/src/frontend/A64/translate/impl/load_store_register_immediate.cpp b/src/frontend/A64/translate/impl/load_store_register_immediate.cpp
index 1c194ac7..3aa4995b 100644
--- a/src/frontend/A64/translate/impl/load_store_register_immediate.cpp
+++ b/src/frontend/A64/translate/impl/load_store_register_immediate.cpp
@@ -100,6 +100,12 @@ bool TranslatorVisitor::STURx_LDURx(Imm<2> size, Imm<2> opc, Imm<9> imm9, Reg Rn
     return load_store_register_immediate(wback, postindex, scale, offset, size, opc, Rn, Rt);
 }
 
+bool TranslatorVisitor::PRFM_imm([[maybe_unused]] Imm<12> imm12, [[maybe_unused]] Reg Rn, [[maybe_unused]] Reg Rt) {
+    // Currently a NOP (which is valid behavior, as indicated by
+    // the ARMv8 architecture reference manual)
+    return true;
+}
+
 static bool LoadStoreSIMD(TranslatorVisitor& tv, IREmitter& ir, bool wback, bool postindex, size_t scale, u64 offset, MemOp memop, Reg Rn, Vec Vt) {
     const AccType acctype = AccType::VEC;
     const size_t datasize = 8 << scale;