diff --git a/Source/Core/Common/x64ABI.cpp b/Source/Core/Common/x64ABI.cpp
index c86c8f8b24..45465619bd 100644
--- a/Source/Core/Common/x64ABI.cpp
+++ b/Source/Core/Common/x64ABI.cpp
@@ -353,20 +353,7 @@ void XEmitter::ABI_CallFunctionR(void *func, X64Reg reg1)
 void XEmitter::ABI_CallFunctionRR(void *func, X64Reg reg1, X64Reg reg2, bool noProlog)
 {
 	ABI_AlignStack(0, noProlog);
-	if (reg2 != ABI_PARAM1)
-	{
-		if (reg1 != ABI_PARAM1)
-			MOV(64, R(ABI_PARAM1), R(reg1));
-		if (reg2 != ABI_PARAM2)
-			MOV(64, R(ABI_PARAM2), R(reg2));
-	}
-	else
-	{
-		if (reg2 != ABI_PARAM2)
-			MOV(64, R(ABI_PARAM2), R(reg2));
-		if (reg1 != ABI_PARAM1)
-			MOV(64, R(ABI_PARAM1), R(reg1));
-	}
+	MOVTwo(64, ABI_PARAM1, reg1, ABI_PARAM2, reg2, ABI_PARAM3);
 	u64 distance = u64(func) - (u64(code) + 5);
 	if (distance >= 0x0000000080000000ULL &&
 	    distance <  0xFFFFFFFF80000000ULL)
@@ -382,6 +369,30 @@ void XEmitter::ABI_CallFunctionRR(void *func, X64Reg reg1, X64Reg reg2, bool noP
 	ABI_RestoreStack(0, noProlog);
 }
 
+void XEmitter::MOVTwo(int bits, Gen::X64Reg dst1, Gen::X64Reg src1, Gen::X64Reg dst2, Gen::X64Reg src2, X64Reg temp)
+{
+	if (dst1 == src2 && dst2 == src1)
+	{
+		// need a temporary
+		MOV(bits, R(temp), R(src1));
+		src1 = temp;
+	}
+	if (src2 != dst1)
+	{
+		if (dst1 != src1)
+			MOV(bits, R(dst1), R(src1));
+		if (dst2 != src2)
+			MOV(bits, R(dst2), R(src2));
+	}
+	else
+	{
+		if (dst2 != src2)
+			MOV(bits, R(dst2), R(src2));
+		if (dst1 != src1)
+			MOV(bits, R(dst1), R(src1));
+	}
+}
+
 void XEmitter::ABI_CallFunctionAC(void *func, const Gen::OpArg &arg1, u32 param2)
 {
 	ABI_AlignStack(0);
diff --git a/Source/Core/Common/x64Emitter.h b/Source/Core/Common/x64Emitter.h
index 558af41767..d6f0699e84 100644
--- a/Source/Core/Common/x64Emitter.h
+++ b/Source/Core/Common/x64Emitter.h
@@ -753,6 +753,9 @@ public:
 	void ABI_CallFunctionR(void *func, X64Reg reg1);
 	void ABI_CallFunctionRR(void *func, X64Reg reg1, X64Reg reg2, bool noProlog = false);
 
+	// Helper method for the above, or can be used separately.
+	void MOVTwo(int bits, Gen::X64Reg dst1, Gen::X64Reg src1, Gen::X64Reg dst2, Gen::X64Reg src2, Gen::X64Reg temp);
+
 	// A function that doesn't have any control over what it will do to regs,
 	// such as the dispatcher, should be surrounded by these.
 	void ABI_PushAllCalleeSavedRegsAndAdjustStack();
diff --git a/Source/Core/Core/PowerPC/JitCommon/JitBackpatch.cpp b/Source/Core/Core/PowerPC/JitCommon/JitBackpatch.cpp
index 1fe88f9e28..a51aac6480 100644
--- a/Source/Core/Core/PowerPC/JitCommon/JitBackpatch.cpp
+++ b/Source/Core/Core/PowerPC/JitCommon/JitBackpatch.cpp
@@ -115,22 +115,7 @@ const u8 *TrampolineCache::GetWriteTrampoline(const InstructionInfo &info, u32 r
 	// PC is used by memory watchpoints (if enabled) or to print accurate PC locations in debug logs
 	MOV(32, PPCSTATE(pc), Imm32(pc));
 
-	if (dataReg == ABI_PARAM2)
-		PanicAlert("Incorrect use of SafeWriteRegToReg");
-	if (addrReg != ABI_PARAM1)
-	{
-		if (ABI_PARAM1 != dataReg)
-			MOV(64, R(ABI_PARAM1), R((X64Reg)dataReg));
-		if (ABI_PARAM2 != addrReg)
-			MOV(64, R(ABI_PARAM2), R((X64Reg)addrReg));
-	}
-	else
-	{
-		if (ABI_PARAM2 != addrReg)
-			MOV(64, R(ABI_PARAM2), R((X64Reg)addrReg));
-		if (ABI_PARAM1 != dataReg)
-			MOV(64, R(ABI_PARAM1), R((X64Reg)dataReg));
-	}
+	MOVTwo(64, ABI_PARAM1, dataReg, ABI_PARAM2, addrReg, ABI_PARAM3);
 
 	if (info.displacement)
 	{