diff --git a/cpu/ChangeLog b/cpu/ChangeLog
index 1f5418714d881f87d0ceaf426034138554df4f9b..bd82d13b5ddbd71bd95502f31e620af0c2d45d96 100644
--- a/cpu/ChangeLog
+++ b/cpu/ChangeLog
@@ -1,3 +1,7 @@
+2012-02-27  Alan Modra  <amodra@gmail.com>
+
+	* mt.opc (print_dollarhex): Trim values to 32 bits.
+
 2011-12-15  Nick Clifton  <nickc@redhat.com>
 
 	* frv.opc (parse_uhi16): Fix handling of %hi operator on 64-bit
diff --git a/cpu/mt.opc b/cpu/mt.opc
index 3da6d0ea96369d05caa41b1bd6a8d85fda297423..d988cc25e9085e800c81d8ca59a38e42c62c9740 100644
--- a/cpu/mt.opc
+++ b/cpu/mt.opc
@@ -1,5 +1,5 @@
 /* Morpho Technologies mRISC opcode support, for GNU Binutils.  -*- C -*-
-   Copyright 2001, 2007, 2008, 2009 Free Software Foundation, Inc.
+   Copyright 2001, 2007, 2008, 2009, 2012 Free Software Foundation, Inc.
 
    Contributed by Red Hat Inc; developed under contract from
    Morpho Technologies.
@@ -447,7 +447,7 @@ print_dollarhex (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
 {
   disassemble_info *info = (disassemble_info *) dis_info;
 
-  info->fprintf_func (info->stream, "$%lx", value);
+  info->fprintf_func (info->stream, "$%lx", value & 0xffffffff);
 
   if (0)
     print_normal (cd, dis_info, value, attrs, pc, length);
diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog
index 6db03cde48231741d739b0eb2498aa82370d4dd7..1a6837f648db59d6c18c7225fdc245618e49a72c 100644
--- a/opcodes/ChangeLog
+++ b/opcodes/ChangeLog
@@ -1,3 +1,7 @@
+2012-02-27  Alan Modra  <amodra@gmail.com>
+
+	* mt-dis.c: Regenerate.
+
 2012-02-27  Alan Modra  <amodra@gmail.com>
 
 	* v850-opc.c (extract_v8): Rearrange to make it obvious this
diff --git a/opcodes/mt-dis.c b/opcodes/mt-dis.c
index 28f4655e268fb6ba060b25a819a2b665816c22d9..3767be2dac41948ca8be542dd899f4692346ef7b 100644
--- a/opcodes/mt-dis.c
+++ b/opcodes/mt-dis.c
@@ -72,7 +72,7 @@ print_dollarhex (CGEN_CPU_DESC cd ATTRIBUTE_UNUSED,
 {
   disassemble_info *info = (disassemble_info *) dis_info;
 
-  info->fprintf_func (info->stream, "$%lx", value);
+  info->fprintf_func (info->stream, "$%lx", value & 0xffffffff);
 
   if (0)
     print_normal (cd, dis_info, value, attrs, pc, length);