diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index dba180c167e..faafc5da102 100644
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,3 +1,7 @@
+2003-07-09  Michael Snyder  <msnyder@redhat.com>
+
+	* sh-tdep.c (sh_dsp_register_sim_regno): Off-by-one error.
+
 2003-07-09  Mark Kettenis  <kettenis@gnu.org>
 
 	* x86-64-tdep.h (X86_64_RAX_REGNUM, X86_64_RDX_REGNUM,
diff --git a/gdb/sh-tdep.c b/gdb/sh-tdep.c
index 655aaaa0367..5553f612c39 100644
--- a/gdb/sh-tdep.c
+++ b/gdb/sh-tdep.c
@@ -4285,7 +4285,7 @@ sh_dsp_register_sim_regno (int nr)
 {
   if (legacy_register_sim_regno (nr) < 0)
     return legacy_register_sim_regno (nr);
-  if (nr >= DSP_DSR_REGNUM && nr < DSP_Y1_REGNUM)
+  if (nr >= DSP_DSR_REGNUM && nr <= DSP_Y1_REGNUM)
     return nr - DSP_DSR_REGNUM + SIM_SH_DSR_REGNUM;
   if (nr == DSP_MOD_REGNUM)
     return SIM_SH_MOD_REGNUM;