--- src/sys/arch/macppc/dev/adb_direct.c-1.19	Sun Sep 23 17:54:50 2001
+++ src/sys/arch/macppc/dev/adb_direct.c	Sun Aug 18 20:23:22 2002
@@ -1874,6 +1874,8 @@
 
 		while (0 == flag)	/* wait for result */
 			;
+		/* XXX to avoid wrong reordering by gcc 2.95.x with -fgcse */
+		__asm volatile ("" ::: "memory");
 
 		memcpy(time, output + 1, 4);
 		return 0;