[llvm] r204797 - [mips] Add tests for t0-t3 for N32/N64

[Richard Sandiford]

Daniel Sanders <Daniel.Sanders at imgtec.com> writes:
> The SGI MIPSpro N32 ABI Handbook uses t4-t7 for $12-$15.

Ah, OK, in that case I was misremembering, sorry.  (I don't have my copies
to hand here so was writing from memory.)

So maybe this was originally implemented wrongly in GAS and has just stuck.
I can see why supporting both makes sense in that case, so sorry for the
noise...

Thanks,
Richard