Re: [PATCH] PIC support for SH

[Alexandre Oliva <aoliva at redhat dot com>]

On Aug 31, 2000, kaz Kojima <kkojima@rr.iij4u.or.jp> wrote:

>>> (print_operand): Add a modifier code $ to print REGISTER_PREFIX.

>> Using a register prefix only makes sense to disambiguate them from
>> symbol names, but there's no need for this disambiguation in SH
>> assembly code generated by GCC.

> OTOH, some existing codes use this. Maybe, one solution is that we
> declare this feature will be obsolete and assembler permits the use of
> the register prefix with warning.

If you really must, use something like this in the beginning of
parse_reg(), in gas/config/tc-sh.c:

  if (src[0] == '$' && src[1] != '$')
    {
      int ret = parse_reg (src+1, mode, reg);
      if (ret)
        {
          as_warn (_("$ is deprecated as a register prefix"));
          ++ret;
        }
      return ret;
    }

-- 
Alexandre Oliva   Enjoy Guarana', see http://www.ic.unicamp.br/~oliva/
Red Hat GCC Developer                  aoliva@{cygnus.com, redhat.com}
CS PhD student at IC-Unicamp        oliva@{lsd.ic.unicamp.br, gnu.org}
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