[Libre-soc-isa] [Bug 650] write rfc for OpenPower fpr <-> gpr moves/conversions

[bugzilla-daemon at libre-soc.org]

https://bugs.libre-soc.org/show_bug.cgi?id=650

--- Comment #11 from Luke Kenneth Casson Leighton <lkcl at lkcl.net> ---
(In reply to Jacob Lifshay from comment #10)
> fix formatting: luke you had mistakenly unindented the list of reasons to
> have each FP -> Int conversion mode, I reindented those so they are
> correctly grouped under the appropriate list entry.

hmm, i did that because it wasn't clear, because of the spaces in between.
this would indicate that some descriptive text or headings, or other
reorganisation might be in order.

> Also:
> commit bb9a2dcc50b656e07accaf1036edb3607ea82f6c (HEAD -> master,
> origin/master, origin/HEAD)
> Author: Jacob Lifshay <programmerjake at gmail.com>
> Date:   Thu Jun 3 10:58:53 2021 -0700
> 
>     bitwise moves never set exceptions or mess with FPSCR

are we absolutely certain of that? because if so it needs to be explicitly
stated, rather than leaving it "unstated".

otherwise people will ask during the review.

something like:

"this bitwise move does not raise exceptions nor alter FPSCR or other status
flags"

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