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Re: RFC: mips target support for Juniper Apollo
On Wed, 2004-03-10 at 20:42, Jim Wilson wrote:
> On Wed, 2004-03-10 at 00:57, Eric Christopher wrote:
> > It's not hard, but unfortunately is tedious. It should be done before
> > you add the port into binutils though. The tx39 is a good example - it's
> > a mips2 processor minus a few instructions.
>
> Not quite the same. tx39 pretends to be MIPS1, and then adds in the
> MIPS2 instructions that it does have. Apollo however is missing a few
> MIPS1 instructions, div for instance. I can't disable that without
> messing up the mips-opc.c file, and I didn't think that was appropriate
> for the Apollo port.
>
Oh. I see. In that case you may be best off specifying each instruction.
It'll require a bit more work, but hopefully not much beyond a lot of
mechanical changes.
> Anyways, there seems to be some disagreement about my approach, so I
> will take a look at my alternatives. It may be a while before I get
> back to this, as I have other work to do.
OK. If I can help let me know.
-eric
--
Eric Christopher <echristo@redhat.com>