Index: uspace/libc/arch/sparc64/include/syscall.h
===================================================================
--- uspace/libc/arch/sparc64/include/syscall.h	(revision fadd3817f5f589ea27d771621b7531c4ede1293c)
+++ uspace/libc/arch/sparc64/include/syscall.h	(revision e2bf6397425bb03f552f342e22cf4d105a242516)
@@ -51,4 +51,5 @@
 		: "=r" (a1)
 		: "r" (a1), "r" (a2), "r" (a3), "r" (a4), "i" (id)
+		: "memory"
 	);