From: Jim Wilson <wilson@gcc.gnu.org>
Date: Mon, 6 Feb 1995 20:22:23 +0000 (-0800)
Subject: (va_start): Add __builtin_next_arg call.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=a343d371519a5ce6b70c33a9f63f49f6661ea816;p=gcc.git

(va_start): Add __builtin_next_arg call.

From-SVN: r8877
---

diff --git a/gcc/ginclude/va-i960.h b/gcc/ginclude/va-i960.h
index 66c1474c9a4..7f4ab758131 100644
--- a/gcc/ginclude/va-i960.h
+++ b/gcc/ginclude/va-i960.h
@@ -36,9 +36,12 @@ typedef unsigned __gnuc_va_list[2];
 #endif
 
 #ifdef _STDARG_H
+/* Call __builtin_next_arg even though we aren't using its value, so that
+   we can verify that firstarg is correct.  */
 #define va_start(AP, LASTARG)				\
 __extension__						\
-({ __asm__ ("st	g14,%0" : "=m" (*(AP)));		\
+({ __builtin_next_arg (LASTARG);			\
+   __asm__ ("st	g14,%0" : "=m" (*(AP)));		\
    (AP)[1] = (__builtin_args_info (0) + __builtin_args_info (1)) * 4; })
 
 #else