diff --git a/Source/Core/Common/Arm64Emitter.cpp b/Source/Core/Common/Arm64Emitter.cpp
diff --git a/Source/Core/Common/Arm64Emitter.h b/Source/Core/Common/Arm64Emitter.h
@@ -302,69 +302,69 @@ enum IndexType
   INDEX_SIGNED,  // used in LDP/STP
 };
 
-enum ShiftAmount
+enum class ShiftAmount
 {
-  SHIFT_0 = 0,
-  SHIFT_16 = 1,
-  SHIFT_32 = 2,
-  SHIFT_48 = 3,
+  Shift0,
+  Shift16,
+  Shift32,
+  Shift48,
 };
 
-enum RoundingMode
+enum class RoundingMode
 {
-  ROUND_A,  // round to nearest, ties to away
-  ROUND_M,  // round towards -inf
-  ROUND_N,  // round to nearest, ties to even
-  ROUND_P,  // round towards +inf
-  ROUND_Z,  // round towards zero
+  A,  // round to nearest, ties to away
+  M,  // round towards -inf
+  N,  // round to nearest, ties to even
+  P,  // round towards +inf
+  Z,  // round towards zero
 };
 
 struct FixupBranch
 {
-  u8* ptr;
-  // Type defines
-  // 0 = CBZ (32bit)
-  // 1 = CBNZ (32bit)
-  // 2 = B (conditional)
-  // 3 = TBZ
-  // 4 = TBNZ
-  // 5 = B (unconditional)
-  // 6 = BL (unconditional)
-  u32 type;
+  enum class Type : u32
+  {
+    CBZ,
+    CBNZ,
+    BConditional,
+    TBZ,
+    TBNZ,
+    B,
+    BL,
+  };
 
+  u8* ptr;
+  Type type;
   // Used with B.cond
   CCFlags cond;
-
   // Used with TBZ/TBNZ
   u8 bit;
-
   // Used with Test/Compare and Branch
   ARM64Reg reg;
 };
 
-enum PStateField
+enum class PStateField
 {
-  FIELD_SPSel = 0,
-  FIELD_DAIFSet,
-  FIELD_DAIFClr,
-  FIELD_NZCV,  // The only system registers accessible from EL0 (user space)
-  FIELD_PMCR_EL0,
-  FIELD_PMCCNTR_EL0,
-  FIELD_FPCR = 0x340,
-  FIELD_FPSR = 0x341,
+  SPSel = 0,
+  DAIFSet,
+  DAIFClr,
+  NZCV,  // The only system registers accessible from EL0 (user space)
+  PMCR_EL0,
+  PMCCNTR_EL0,
+  FPCR = 0x340,
+  FPSR = 0x341,
 };
 
-enum SystemHint
+enum class SystemHint
 {
-  HINT_NOP = 0,
-  HINT_YIELD,
-  HINT_WFE,
-  HINT_WFI,
-  HINT_SEV,
-  HINT_SEVL,
+  NOP,
+  YIELD,
+  WFE,
+  WFI,
+  SEV,
+  SEVL,
 };
 
-enum BarrierType
+enum class BarrierType
 {
   OSHLD = 1,
   OSHST = 2,
@@ -603,6 +603,13 @@ class ARM64XEmitter
   void CNTVCT(ARM64Reg Rt);
 
   void HINT(SystemHint op);
+  void NOP() { HINT(SystemHint::NOP); }
+  void SEV() { HINT(SystemHint::SEV); }
+  void SEVL() { HINT(SystemHint::SEVL); }
+  void WFE() { HINT(SystemHint::WFE); }
+  void WFI() { HINT(SystemHint::WFI); }
+  void YIELD() { HINT(SystemHint::YIELD); }
+
   void CLREX();
   void DSB(BarrierType type);
   void DMB(BarrierType type);
@@ -737,9 +744,9 @@ class ARM64XEmitter
   void CMP(ARM64Reg Rn, u32 imm, bool shift = false);
 
   // Data Processing (Immediate)
-  void MOVZ(ARM64Reg Rd, u32 imm, ShiftAmount pos = SHIFT_0);
-  void MOVN(ARM64Reg Rd, u32 imm, ShiftAmount pos = SHIFT_0);
-  void MOVK(ARM64Reg Rd, u32 imm, ShiftAmount pos = SHIFT_0);
+  void MOVZ(ARM64Reg Rd, u32 imm, ShiftAmount pos = ShiftAmount::Shift0);
+  void MOVN(ARM64Reg Rd, u32 imm, ShiftAmount pos = ShiftAmount::Shift0);
+  void MOVK(ARM64Reg Rd, u32 imm, ShiftAmount pos = ShiftAmount::Shift0);
 
   // Bitfield move
   void BFM(ARM64Reg Rd, ARM64Reg Rn, u32 immr, u32 imms);

diff --git a/Source/Core/Core/PowerPC/JitArm64/JitArm64Cache.cpp b/Source/Core/Core/PowerPC/JitArm64/JitArm64Cache.cpp
@@ -19,8 +19,8 @@ void JitArm64BlockCache::WriteLinkBlock(Arm64Gen::ARM64XEmitter& emit,
   if (!dest)
   {
     // Use a fixed amount of instructions, so we can assume to use 3 instructions on patching.
-    emit.MOVZ(DISPATCHER_PC, source.exitAddress & 0xFFFF, SHIFT_0);
-    emit.MOVK(DISPATCHER_PC, source.exitAddress >> 16, SHIFT_16);
+    emit.MOVZ(DISPATCHER_PC, source.exitAddress & 0xFFFF, ShiftAmount::Shift0);
+    emit.MOVK(DISPATCHER_PC, source.exitAddress >> 16, ShiftAmount::Shift16);
 
     if (source.call)
       emit.BL(m_jit.GetAsmRoutines()->dispatcher);

diff --git a/Source/Core/Core/PowerPC/JitArm64/JitArm64_BackPatch.cpp b/Source/Core/Core/PowerPC/JitArm64/JitArm64_BackPatch.cpp
@@ -322,7 +322,7 @@ bool JitArm64::HandleFastmemFault(uintptr_t access_address, SContext* ctx)
 
   const u32 num_insts_max = fastmem_area_length / 4 - 1;
   for (u32 i = 0; i < num_insts_max; ++i)
-    emitter.HINT(HINT_NOP);
+    emitter.NOP();
 
   m_fault_to_handler.erase(slow_handler_iter);
 

diff --git a/Source/Core/Core/PowerPC/JitArm64/JitArm64_FloatingPoint.cpp b/Source/Core/Core/PowerPC/JitArm64/JitArm64_FloatingPoint.cpp
@@ -335,13 +335,13 @@ void JitArm64::fctiwzx(UGeckoInstruction inst)
 
   if (single)
   {
-    m_float_emit.FCVTS(EncodeRegToSingle(VD), EncodeRegToSingle(VB), ROUND_Z);
+    m_float_emit.FCVTS(EncodeRegToSingle(VD), EncodeRegToSingle(VB), RoundingMode::Z);
   }
   else
   {
     ARM64Reg V1 = gpr.GetReg();
 
-    m_float_emit.FCVTS(V1, EncodeRegToDouble(VB), ROUND_Z);
+    m_float_emit.FCVTS(V1, EncodeRegToDouble(VB), RoundingMode::Z);
     m_float_emit.FMOV(EncodeRegToSingle(VD), V1);
 
     gpr.Unlock(V1);

diff --git a/Source/Core/Core/PowerPC/JitArm64/JitArm64_SystemRegisters.cpp b/Source/Core/Core/PowerPC/JitArm64/JitArm64_SystemRegisters.cpp
@@ -261,7 +261,7 @@ void JitArm64::mfspr(UGeckoInstruction inst)
     m_float_emit.LDR(32, INDEX_UNSIGNED, SD, Xg,
                      offsetof(CoreTiming::Globals, last_OC_factor_inverted));
     m_float_emit.FMUL(SC, SC, SD);
-    m_float_emit.FCVTS(Xresult, SC, ROUND_Z);
+    m_float_emit.FCVTS(Xresult, SC, RoundingMode::Z);
 
     LDP(INDEX_SIGNED, XA, XB, Xg, offsetof(CoreTiming::Globals, global_timer));
     SXTW(XB, WB);