https://github.com/CyberShadow/DustMite/commit/2fceaf14a039a9c48f7c2016f52198994c72444c

Index: DustMite/polyhash.d
--- DustMite/polyhash.d.orig
+++ DustMite/polyhash.d
@@ -290,8 +290,8 @@ if (is(T : long) && T.sizeof >= 2)
 				asm
 				{
 					"`~x86SignedOpPrefix!T~`mul`~x86SizeOpSuffix!T~` %3"
-					: "=a" low, "=d" high
-					: "a" a, "rm" b;
+					: "=a"(low), "=d"(high)
+					: "a"(a), "rm"(b);
 				}
 			`);
 			return typeof(return)(low, high);
@@ -363,8 +363,8 @@ if (is(T : long) && T.sizeof >= 2 && is(L == LongInt!T
 				asm
 				{
 					"`~x86SignedOpPrefix!T~`div`~x86SizeOpSuffix!T~` %4"
-					: "=a" quotient, "=d" remainder
-					: "a" low, "d" high, "rm" b;
+					: "=a"(quotient), "=d"(remainder)
+					: "a"(low), "d"(high), "rm"(b);
 				}
 			`);
 			return typeof(return)(quotient, remainder);