diff --git a/AUTHORS b/AUTHORS
index 4217846c1..f1508f199 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -317,3 +317,9 @@ In the subdirectory libguile, changes to:
     keywords.c      list.c          strports.c
     tag.c           Makefile.am     guile-snarf.awk.in
 Many other changes throughout.
+
+Stefan Jahn:
+In the subdirectory libguile, changes to:
+    continuations.h
+    continuations.c
+    gc.c
diff --git a/NEWS b/NEWS
index 69b73e168..b1dd1544d 100644
--- a/NEWS
+++ b/NEWS
@@ -40,8 +40,9 @@ See INSTALL and README for more information.
 ** Guile is much more likely to work on 64-bit architectures.
 
 Guile now compiles and passes "make check" with only two UNRESOLVED GC
-cases on Alpha based machines now.  Thanks to John Goerzen for the use
-of a test machine.
+cases on Alpha and ia64 based machines now.  Thanks to John Goerzen
+for the use of a test machine, and thanks to Stefan Jahn for ia64
+patches.
 
 ** New functions: setitimer and getitimer.
 
diff --git a/libguile/ChangeLog b/libguile/ChangeLog
index bcca0ef01..92aea05b9 100644
--- a/libguile/ChangeLog
+++ b/libguile/ChangeLog
@@ -1,3 +1,17 @@
+2001-10-08  Rob Browning  <rlb@defaultvalue.org>
+
+	* gc.c: support ia64 register backing store.
+	(SCM_MARK_BACKING_STORE): new macro.
+
+	* continuations.h: support ia64 register backing store.
+	(struct scm_t_contregs): add ia64 register backing store.
+
+	* continuations.c: support ia64 register backing store.
+	(continuation_mark): mark ia64 register backing store.
+	(continuation_free): free ia64 register backing store.
+	(scm_make_continuation): capture ia64 register backing store.
+	(copy_stack_and_call): copy ia64 register backing store.
+
 2001-10-06  Mikael Djurfeldt  <mdj@linnaeus>
 
 	These changes fixes a race condition in the Guile coop - pthread