Hello,

The attached fixes/testes the problem of:
	(gdb) display/i $pc
not working on the i386.  It adds functions that map a built-in register 
number back to its name.  It also adds a test case that fails (on i386) 
without the attached fix.

Testsuite ok?

Once that is approved I'll commit to trunk and branch (that is next 
thing to do :-),

Andrew