-fuse-caller-save - Enable for MIPS

[Richard Sandiford]

Tom de Vries <Tom_deVries@mentor.com> writes:
>> If so,
>> should -fuse-caller-save imply -fcaller-saves?
>
> I don't think it's strictly necessary, but I can make a patch if required.

Implying -fcaller-saves seems better to me, since "-O -fuse-caller-save"
looks like it should enable the new optimisation.  It's not my call though.

Thanks,
Richard