calls.c (PUSH_ARGS_REVERSED): Define only if not defined.

2002-11-10  H.J. Lu <hjl@gnu.org>

	* calls.c (PUSH_ARGS_REVERSED): Define only if not defined.
	* expr.c (PUSH_ARGS_REVERSED): Likewise.

	* config/i386/i386.h (PUSH_ARGS_REVERSED): Set to 1.

From-SVN: r59002

gcc/ChangeLog

+2002-11-10  H.J. Lu <hjl@gnu.org>
+
+	* calls.c (PUSH_ARGS_REVERSED): Define only if not defined.
+	* expr.c (PUSH_ARGS_REVERSED): Likewise.
+
+	* config/i386/i386.h (PUSH_ARGS_REVERSED): Set to 1.
+
 2002-11-10  Zack Weinberg  <zack@codesourcery.com>
 
 	* config/rs6000/sysv4.h: Define NO_IMPLICIT_EXTERN_C here...

gcc/calls.c

@@ -48,9 +48,11 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
 
 #ifdef PUSH_ROUNDING
 
+#ifndef PUSH_ARGS_REVERSED
 #if defined (STACK_GROWS_DOWNWARD) != defined (ARGS_GROW_DOWNWARD)
 #define PUSH_ARGS_REVERSED  PUSH_ARGS
 #endif
+#endif
 
 #endif
 

gcc/config/i386/i386.h

@@ -1574,6 +1574,10 @@ enum reg_class
 
 #define PUSH_ARGS (TARGET_PUSH_ARGS && !ACCUMULATE_OUTGOING_ARGS)
 
+/* We want the stack and args grow in opposite directions, even if
+   PUSH_ARGS is 0.  */
+#define PUSH_ARGS_REVERSED 1
+
 /* Offset of first parameter from the argument pointer register value.  */
 #define FIRST_PARM_OFFSET(FNDECL) 0
 

gcc/expr.c

@@ -54,9 +54,11 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
 
 #ifdef PUSH_ROUNDING
 
+#ifndef PUSH_ARGS_REVERSED
 #if defined (STACK_GROWS_DOWNWARD) != defined (ARGS_GROW_DOWNWARD)
 #define PUSH_ARGS_REVERSED	/* If it's last to first.  */
 #endif
+#endif
 
 #endif