Index: gdb/mips-tdep.c
===================================================================
RCS file: /cvs/src/src/gdb/mips-tdep.c,v
retrieving revision 1.489
diff -u -p -r1.489 mips-tdep.c
--- gdb/mips-tdep.c	3 Jan 2009 05:57:52 -0000	1.489
+++ gdb/mips-tdep.c	12 Feb 2009 16:19:02 -0000
@@ -4601,7 +4601,9 @@ mips_print_registers_info (struct gdbarc
 {
   if (regnum != -1)		/* do one specified register */
     {
-      gdb_assert (regnum >= gdbarch_num_regs (gdbarch));
+      if (regnum < gdbarch_num_regs (gdbarch)
+	  && regnum >= 0)
+	regnum += gdbarch_num_regs (gdbarch); /* Print pseudo register.  */
       if (*(gdbarch_register_name (gdbarch, regnum)) == '\0')
 	error (_("Not a valid register for the current processor type"));