From: H.J. Lu <hjl@gnu.org>
Date: Thu, 7 Nov 2002 17:46:18 +0000 (+0000)
Subject: Fix bootstrap/8146 and gcc.c-torture/execute/20020307-2.c with -march=i686.
X-Git-Tag: releases/gcc-3.2.1~44
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7fa10316c4d48a65d4505f59310f616d9ddf51ad;p=thirdparty%2Fgcc.git

Fix bootstrap/8146 and gcc.c-torture/execute/20020307-2.c with -march=i686.

2002-11-07  H.J. Lu <hjl@gnu.org>

	Fix bootstrap/8146 and
	gcc.c-torture/execute/20020307-2.c with -march=i686.

	* 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: r58898
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index d32a4c004b61..447403410998 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,13 @@
+2002-11-07  H.J. Lu <hjl@gnu.org>
+
+	Fix bootstrap/8146 and
+	gcc.c-torture/execute/20020307-2.c with -march=i686.
+
+	* 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.
+
 2002-11-04  Aldy Hernandez  <aldyh@redhat.com>
 
 	Fix c/8252.
diff --git a/gcc/calls.c b/gcc/calls.c
index 9a9dc24a3530..df39596ed100 100644
--- a/gcc/calls.c
+++ b/gcc/calls.c
@@ -46,9 +46,11 @@ 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 b32b09041c70..db6970e1fbae 100644
--- a/gcc/config/i386/i386.h
+++ b/gcc/config/i386/i386.h
@@ -1588,6 +1588,10 @@ 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 25d1fad1a3f1..94a28e9922be 100644
--- 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