diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 53dd8046df..8b09fceee7 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,8 @@
+2004-05-04  Jim Blandy  <jimb@redhat.com>
+
+	* aix-thread.c (fill_fprs): Fix off-by-one error comparing regno
+	with FPLAST_REGNUM.
+
 2004-05-03  Joel Brobecker  <brobecker@gnat.com>
 
 	* dwarf2read.c (dwarf2_create_include_psymtab): Fix build
diff --git a/gdb/aix-thread.c b/gdb/aix-thread.c
index 1c2063ea52..0ce285a698 100644
--- a/gdb/aix-thread.c
+++ b/gdb/aix-thread.c
@@ -1262,7 +1262,7 @@ fill_fprs (double *vals)
 {
   int regno;
 
-  for (regno = FP0_REGNUM; regno < FPLAST_REGNUM; regno++)
+  for (regno = FP0_REGNUM; regno <= FPLAST_REGNUM; regno++)
     if (register_cached (regno))
       regcache_collect (regno, vals + regno);
 }