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To: 9fans@9fans.net
From: Richard Miller <9fans@hamnavoe.com>
Date: Sun, 18 Aug 2019 15:28:07 +0100
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Subject: Re: [9fans] Plan 9 C compiler for Xtensa CPUs
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Charles Forsyth <charles.forsyth@gmail.com:
> I haven't had a lot of spare time, but I did the assembler and am about
> 3/4 through the loader.
> For the most part it's a straightforward RISC.
> Might do the disassembler next to help debug the rest, and finally the
> compiler.

Nowadays I do the disassembler first.  Advantages: (a) useful tool for
debugging the assembler and loader; (b) disassembling binaries produced
by some other toolchain provides a useful check for my understanding of
the instruction encoding.