[Revised patch] Rework MIPS command-line handling

[Thiemo Seufer]

Richard Sandiford wrote:
[snip: much stuff]
> GAS patch tested as before.  GCC patch tested on mips64-elf with
> and without patched GAS.  Irix bootstrap still ongoing.
> 
> How does this version look?

This looks very reasonable to me. Thanks.


Thiemo