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From: bugzilla-daemon@libre-riscv.org
To: libre-riscv-dev@lists.libre-riscv.org
Subject: [libre-riscv-dev] [Bug 272] functions needed in POWER simulator which match 3.0B spec
Date: Wed, 01 Apr 2020 19:06:54 +0000
Message-ID: <bug-272-13-gVVJd6wIHG@http.bugs.libre-riscv.org/> (raw)
In-Reply-To: <bug-272-13@http.bugs.libre-riscv.org/>

http://bugs.libre-riscv.org/show_bug.cgi?id=272

Jacob Lifshay <programmerjake@gmail.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |programmerjake@gmail.com

--- Comment #14 from Jacob Lifshay <programmerjake@gmail.com> ---
(In reply to Michael Nolan from comment #13)
> I've got something in decoder/selectable_int.py. It uses Power's bit
> ordering so it should be good for the compiler but something to be aware of
> if it's used anywhere else.
> 
> I'm not sure what to do about left shift and right shift. Should
> SelectableInt (0x10, bits=8) << 4 equal SelectableInt(0x100, bits=12) or
> SelectableInt(0x00, bits=8)

I would assume shift left is still shift left. You can check which pseudo-code
gets run by the slw instruction since it's what gcc produces for the <<
operator.

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  parent reply index

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-30 17:27 [libre-riscv-dev] [Bug 272] New: " bugzilla-daemon
2020-03-30 19:04 ` [libre-riscv-dev] [Bug 272] " bugzilla-daemon
2020-03-30 19:24 ` bugzilla-daemon
2020-03-31 12:57 ` bugzilla-daemon
2020-03-31 13:06 ` bugzilla-daemon
2020-03-31 14:24 ` bugzilla-daemon
2020-03-31 14:31 ` bugzilla-daemon
2020-03-31 18:35 ` bugzilla-daemon
2020-03-31 18:47 ` bugzilla-daemon
2020-03-31 20:06 ` bugzilla-daemon
2020-03-31 22:02 ` bugzilla-daemon
2020-03-31 23:07 ` bugzilla-daemon
2020-04-01 15:35 ` bugzilla-daemon
2020-04-01 18:40 ` bugzilla-daemon
2020-04-01 19:06 ` bugzilla-daemon [this message]
2020-04-01 21:55 ` bugzilla-daemon
2020-04-01 23:05 ` bugzilla-daemon
2020-04-01 23:44 ` bugzilla-daemon
2020-04-02 10:41 ` bugzilla-daemon
2020-04-05 18:37 ` bugzilla-daemon
     [not found] <bug-272-13@https.bugs.libre-soc.org/>
2020-04-27 20:25 ` bugzilla-daemon

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