RFC & patch: Rework MIPS command-line handling

[Eric Christopher]

> > 1. Stick with the idea in the patch I sent.  Selecting a 64-bit
> >    processor would usually select the 64-bit EABI, but adding
> >    -mgp32 forces the 32-bit version.
> >
> > 2. Reverse of (1).  You get the 32-bit version of the EABI
> >    unless you use -mgp64.
> > 
> > 3. Add eabi32, eabi64, meabi32 and meabi64 to -mabi.  You get
> >    the 32-bit version unless you use -mabi=eabi64.
> 
> I would prefer the third option. At least it makes explicit
> what's going on and does not interfere with other ABIs.

It _does_ make it explicit, however, there aren't really two different
ABIs...

-eric

-- 
I will not grease the monkey bars