Only assume 4-byte stack alignment on Solaris 9/x86 (PR libgomp/60107)

	PR libgomp/60107
	* config/i386/sol2-9.h: New file.
	* config.gcc (i[34567]86-*-solaris2* | x86_64-*-solaris2.1[0-9]*,
	*-*-solaris2.9*): Use it.

From-SVN: r207688

gcc/ChangeLog

+2014-02-11  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
+
+	PR libgomp/60107
+	* config/i386/sol2-9.h: New file.
+	* config.gcc (i[34567]86-*-solaris2* | x86_64-*-solaris2.1[0-9]*,
+	*-*-solaris2.9*): Use it.
+
 2014-02-10  Nagaraju Mekala <nagaraju.mekala@xilinx.com>
 
 	* config/microblaze/microblaze.md: Add movsi4_rev insn pattern.

gcc/config.gcc

@@ -1537,6 +1537,9 @@ i[34567]86-*-solaris2* | x86_64-*-solaris2.1[0-9]*)
 	esac
 	with_tune_32=${with_tune_32:-generic}
 	case ${target} in
+	*-*-solaris2.9*)
+		tm_file="${tm_file} i386/sol2-9.h"
+		;;
 	*-*-solaris2.1[0-9]*)
 		tm_file="${tm_file} i386/x86-64.h i386/sol2-bi.h sol2-bi.h"
 		tm_defines="${tm_defines} TARGET_BI_ARCH=1"

gcc/config/i386/sol2-9.h

+/* Target definitions for GCC for Intel 80386 running Solaris 9
+   Copyright (C) 2014 Free Software Foundation, Inc.
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 3, or (at your option)
+any later version.
+
+GCC is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with GCC; see the file COPYING3.  If not see
+<http://www.gnu.org/licenses/>.  */
+
+/* Solaris 9 only guarantees 4-byte stack alignment as required by the i386
+   psABI, so realign it as necessary for SSE instructions.  */
+#undef STACK_REALIGN_DEFAULT
+#define STACK_REALIGN_DEFAULT 1