diff --git a/newlib/ChangeLog b/newlib/ChangeLog
index fb5a9df0e..548895597 100644
--- a/newlib/ChangeLog
+++ b/newlib/ChangeLog
@@ -1,3 +1,8 @@
+Wed May 10 19:24:53 2000  Jim Wilson  <wilson@cygnus.com>
+
+	* libc/include/machine/ieeefp.h: Add ia64 support.
+	* configure.host: Likewise.
+
 Wed May 10 13:52:24 2000  Egor Duda <deo@logos-m.ru>
 
         * libc/time/asctime_r.c (asctime_r): Change output format. Day of
diff --git a/newlib/configure.host b/newlib/configure.host
index fcfaa5c9a..bfb252b83 100644
--- a/newlib/configure.host
+++ b/newlib/configure.host
@@ -101,6 +101,8 @@ case "${host_cpu}" in
 		;;
 	esac
 	;;
+  ia64*)
+	;;
   m32r*)
 	machine_dir=m32r
 	;;
diff --git a/newlib/libc/include/machine/ieeefp.h b/newlib/libc/include/machine/ieeefp.h
index ce8f0ffc5..c5a0a327d 100644
--- a/newlib/libc/include/machine/ieeefp.h
+++ b/newlib/libc/include/machine/ieeefp.h
@@ -144,7 +144,13 @@
 #define __IEEE_BIG_ENDIAN
 #endif
 
-
+#ifdef __ia64__
+#ifdef __BIG_ENDIAN__
+#define __IEEE_BIG_ENDIAN
+#else
+#define __IEEE_LITTLE_ENDIAN
+#endif
+#endif
 
 #ifndef __IEEE_BIG_ENDIAN
 #ifndef __IEEE_LITTLE_ENDIAN