libthread: fix 64-bit bug in threadstart (Nathaniel Filardo)

9fans · Jun 1, 2008 · df1ee4e · df1ee4e
1 parent e22c0f6
commit df1ee4e
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/libthread/thread.c b/src/libthread/thread.c
@@ -86,7 +86,7 @@ threadstart(uint y, uint x)
 	_Thread *t;
 	ulong z;
 
-	z = x<<16;	/* hide undefined 32-bit shift from 32-bit compilers */
+	z = (ulong)x << 16;	/* hide undefined 32-bit shift from 32-bit compilers */
 	z <<= 16;
 	z |= y;
 	t = (_Thread*)z;