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.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@59002 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 37e04c6..308e817 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+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...

diff --git a/gcc/calls.c b/gcc/calls.c
index abe3012..f2f9c57 100644 (file)
--- a/gcc/calls.c
+++ b/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
 

diff --git a/gcc/config/i386/i386.h b/gcc/config/i386/i386.h
index 325195a..8e33176 100644 (file)
--- a/gcc/config/i386/i386.h
+++ b/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
 

diff --git a/gcc/expr.c b/gcc/expr.c
index e4d9777..a185311 100644 (file)
--- a/gcc/expr.c
+++ b/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