diff --git a/desmume/src/MMU.cpp b/desmume/src/MMU.cpp
index 5074ebd2e..840ff9151 100644
--- a/desmume/src/MMU.cpp
+++ b/desmume/src/MMU.cpp
@@ -1102,15 +1102,15 @@ static void execdiv() {
 		
 		// when the result is 32bits, the upper 32bits of the sign-extended result are inverted
 		if (mode == 0)
-			res ^= 0xFFFFFFFF00000000;
+			res ^= 0xFFFFFFFF00000000LL;
 
 		// the DIV0 flag in DIVCNT is set only if the full 64bit DIV_DENOM value is zero, even in 32bit mode
 		if ((u64)T1ReadQuad(MMU.ARM9_REG, 0x298) == 0) 
 			MMU_new.div.div0 = 1;
 	}
-	else if((mode != 0) && (num == 0x8000000000000000) && (den == -1))
+	else if((mode != 0) && (num == 0x8000000000000000LL) && (den == -1))
 	{
-		res = 0x8000000000000000;
+		res = 0x8000000000000000LL;
 		mod = 0;
 	}
 	else if((mode == 0) && (num == (s64) (s32) 0x80000000) && (den == -1))
diff --git a/desmume/src/frontend/cocoa/userinterface/MacMetalDisplayView.mm b/desmume/src/frontend/cocoa/userinterface/MacMetalDisplayView.mm
index 8f8c7498e..e83459aff 100644
--- a/desmume/src/frontend/cocoa/userinterface/MacMetalDisplayView.mm
+++ b/desmume/src/frontend/cocoa/userinterface/MacMetalDisplayView.mm
@@ -1,5 +1,5 @@
 /*
-	Copyright (C) 2017-2022 DeSmuME team
+	Copyright (C) 2017-2023 DeSmuME team
 
 	This file is free software: you can redistribute it and/or modify
 	it under the terms of the GNU General Public License as published by
@@ -79,21 +79,21 @@
 	[device retain];
 	
 	NSString *tempVersionStr = @"Metal - Unknown GPU Family";
-	const BOOL isRWTexSupported = [device supportsFeatureSet:10002]; // MTLFeatureSet_macOS_ReadWriteTextureTier2
+	const BOOL isRWTexSupported = [device supportsFeatureSet:(MTLFeatureSet)10002]; // MTLFeatureSet_macOS_ReadWriteTextureTier2
 	
-	if ([device supportsFeatureSet:10005]) // MTLFeatureSet_macOS_GPUFamily2_v1
+	if ([device supportsFeatureSet:(MTLFeatureSet)10005]) // MTLFeatureSet_macOS_GPUFamily2_v1
 	{
 		tempVersionStr = @"macOS Metal GPUFamily2_v1";
 	}
-	else if ([device supportsFeatureSet:10004]) // MTLFeatureSet_macOS_GPUFamily1_v4
+	else if ([device supportsFeatureSet:(MTLFeatureSet)10004]) // MTLFeatureSet_macOS_GPUFamily1_v4
 	{
 		tempVersionStr = (isRWTexSupported) ? @"macOS Metal GPUFamily1_v4 w/ Tier2 R/W Textures" : @"macOS Metal GPUFamily1_v4";
 	}
-	else if ([device supportsFeatureSet:10003]) // MTLFeatureSet_macOS_GPUFamily1_v3
+	else if ([device supportsFeatureSet:(MTLFeatureSet)10003]) // MTLFeatureSet_macOS_GPUFamily1_v3
 	{
 		tempVersionStr = (isRWTexSupported) ? @"macOS Metal GPUFamily1_v3 w/ Tier2 R/W Textures" : @"macOS Metal GPUFamily1_v3";
 	}
-	else if ([device supportsFeatureSet:10001]) // MTLFeatureSet_macOS_GPUFamily1_v2
+	else if ([device supportsFeatureSet:(MTLFeatureSet)10001]) // MTLFeatureSet_macOS_GPUFamily1_v2
 	{
 		tempVersionStr = (isRWTexSupported) ? @"macOS Metal GPUFamily1_v2 w/ Tier2 R/W Textures" : @"macOS Metal GPUFamily1_v2";
 	}