acinclude.m4 (GLIBCPP_CHECK_CPU): Add ia64 support.

2000-09-06  Richard Henderson  <rth@cygnus.com>
	    Benjamin Kosnik  <bkoz@cygnus.com>

	* acinclude.m4 (GLIBCPP_CHECK_CPU): Add ia64 support.
	* aclocal.m4: Regenerate.
	* configure: Regenerate.
	* config/cpu/ia64: New directory.
	* config/cpu/ia64/bits: New directory.
	* config/cpu/ia64/bits/atomicity.h: New file.

Co-Authored-By: Benjamin Kosnik <bkoz@cygnus.com>

From-SVN: r36222

libstdc++-v3/ChangeLog

+2000-09-06  Richard Henderson  <rth@cygnus.com>
+	    Benjamin Kosnik  <bkoz@cygnus.com>
+
+	* acinclude.m4 (GLIBCPP_CHECK_CPU): Add ia64 support.
+	* aclocal.m4: Regenerate.
+	* configure: Regenerate.
+	* config/cpu/ia64: New directory.
+	* config/cpu/ia64/bits: New directory.
+	* config/cpu/ia64/bits/atomicity.h: New file.
+	
 2000-09-06  Benjamin Kosnik  <bkoz@purist.soma.redhat.com>
 	
 	* acinclude.m4 (GLIBCPP_ENABLE_CSTDIO): Force glibc_satisfactory

libstdc++-v3/acinclude.m4

@@ -713,6 +713,9 @@ AC_DEFUN(GLIBCPP_CHECK_CPU, [
       arm*)
 	cpu_include_dir="config/cpu/arm"
         ;;
+      ia64)
+	cpu_include_dir="config/cpu/ia64"
+	;;
       i386)
 	cpu_include_dir="config/cpu/i386"
 	;;

libstdc++-v3/aclocal.m4

@@ -725,6 +725,9 @@ AC_DEFUN(GLIBCPP_CHECK_CPU, [
       arm*)
 	cpu_include_dir="config/cpu/arm"
         ;;
+      ia64)
+	cpu_include_dir="config/cpu/ia64"
+	;;
       i386)
 	cpu_include_dir="config/cpu/i386"
 	;;

libstdc++-v3/config/cpu/ia64/bits/atomicity.h

+/* Low-level functions for atomic operations.
+   Copyright (C) 2000 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#ifndef _BITS_ATOMICITY_H
+#define _BITS_ATOMICITY_H       1
+
+#include <ia64intrin.h>
+
+typedef int _Atomic_word;
+
+static inline _Atomic_word 
+__attribute__ ((unused))
+__exchange_and_add (volatile _Atomic_word *__mem, int __val)
+{
+  return __sync_fetch_and_add (__mem, __val);
+}
+
+static inline void
+__attribute__ ((__unused__))
+__atomic_add (volatile _Atomic_word* __mem, int __val)
+{
+  __sync_fetch_and_add (__mem, __val);
+}
+
+static inline int
+__attribute__ ((__unused__))
+__compare_and_swap (volatile long *__p, long __oldval, long __newval)
+{
+  return __sync_bool_compare_and_swap (__p, __oldval, __newval);
+}
+
+#endif /* atomicity.h */