Fix the unaligned access code to handle stores from R31 (zero)

PR alpha/25535
2001-03-05 16:18:23 +00:00 · 2001-03-05 16:18:23 +00:00 · f7c3f9d72f
commit f7c3f9d72f
parent dec507e8f7
1 changed files with 3 additions and 2 deletions
--- a/sys/alpha/alpha/trap.c
+++ b/sys/alpha/alpha/trap.c
@ -837,8 +837,9 @@ const static int reg_to_framereg[32] = {

 #define	unaligned_store(storage, ptrf, mod)				\
 	if ((regptr = ptrf(p, reg)) == NULL)				\
-		break;							\
-	(storage) = mod (*regptr);					\
+		(storage) = 0;						\
+	else								\
+		(storage) = mod (*regptr);				\
 	if (copyout(&(storage), (caddr_t)va, sizeof (storage)) == 0)	\
 		signal = 0;						\
 	else								\