Jim Wilson

This document is effectively dead. If there are problems with the ISA docs then they need to be fixed, but we don't really need any fixes here.

Many instructions were proposed in the bitmanip spec, and only a subset of them made them through the approval process. The full proposal did include some bitfield extract and insert...

A comment from the libera #riscv IRC channel. ``` jimwilson: As I've said a few times here regarding adc. We really don't need it. If you're doing high performance math,...

Mitch Alsup made an interesting suggestion on the isa-dev mailing list when the carry bit came up in the discussion. His suggestion is to add an instruction which decorates several...

It is the clmulr result that is being shifted to produce clmulh. The cmulh result is not being shifted.

I did a little searching, and found that kai means "and" in greek, so hexakaidecagon is six and ten (poly)gon. Still, it looks like a reasonable mnemonic to remember what...

On Fri, Aug 7, 2020 at 1:12 PM sorear wrote: > > The support is not currently there, and as I understand it, it would be a big internal change...

2 miles? I'd prefer 3.2km in a technical document.

That binutils bug was fixed in December. Maybe you are using the wrong commitid or wrong branch? I don't know how riscv-bitmanip testing works.

It is probably riscv-bitmanip that is out of date. It hasn't been maintained properly for months. The main maintainer hasn't had enough time to work on it.