Initial revision

From-SVN: r907

gcc/ginclude/va-i960.h

+/* GNU C varargs support for the Intel 80960.  */
+
+/* In GCC version 2, we want an ellipsis at the end of the declaration
+   of the argument list.  GCC version 1 can't parse it.  */
+
+#if __GNUC__ > 1
+#define __va_ellipsis ...
+#else
+#define __va_ellipsis
+#endif
+
+#define	va_alist __builtin_va_alist
+#define	va_dcl	 char *__builtin_va_alist; __va_ellipsis
+
+/* The first element is the address of the first argument.
+   The second element is the number of bytes skipped past so far.  */
+typedef unsigned va_list[2];	
+
+/* The stack size of the type t.  */
+#define __vsiz(T)   (((sizeof (T) + 3) / 4) * 4)
+/* The stack alignment of the type t.  */
+#define __vali(T)   (__alignof__ (T) >= 4 ? __alignof__ (T) : 4)
+/* The offset of the next stack argument after one of type t at offset i.  */
+#define __vpad(I, T) ((((I) + __vali (T) - 1) / __vali (T)) \
+		       * __vali (T) + __vsiz (T))
+
+#ifdef _STDARG_H
+#define va_start(AP, LASTARG) ((AP)[1] = 0, \
+				*(AP) = (unsigned) __builtin_next_arg ())
+#else
+#define	va_start(AP) ((AP)[1] = 0, *(AP) = (unsigned) &va_alist)
+#endif
+
+#define	va_arg(AP, T)							\
+(									\
+  (									\
+    ((AP)[1] <= 48 && (__vpad ((AP)[1], T) > 48 || __vsiz (T) > 16))	\
+      ? ((AP)[1] = 48 + __vsiz (T))					\
+      : ((AP)[1] = __vpad ((AP)[1], T))					\
+  ),									\
+									\
+  *((T *) ((char *) *(AP) + (AP)[1] - __vsiz (T)))			\
+)
+
+#define	va_end(AP)