From: Charles Forsyth <charles.forsyth@gmail.com>
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
Subject: Re: [9fans] copy paste bug in cc.y?
Date: Fri, 17 Oct 2014 20:07:48 +0100 [thread overview]
Message-ID: <CAOw7k5gwc-rSWAjNSy-F_bVG6=OdpG1MK5jdJCg0-BP3dog-HQ@mail.gmail.com> (raw)
In-Reply-To: <F8114E49-B8EF-4D74-8BDB-15B99BEB97E9@fb.com>
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On 17 October 2014 18:48, Yoann Padioleau <pad@fb.com> wrote:
> Somehow?
>
> Would be nice to have a comment explaining this “somehow" then
> because it looks tricky.
>
it's building a tree for (0:int-(0:int-x)) which later transformations will
simplify to x, but having done "the usual arithmetic conversions"
balancing and promoting 0s and x as required, if it's char/int/long/vlong.
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next prev parent reply other threads:[~2014-10-17 19:07 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-14 22:11 Yoann Padioleau
2014-10-14 22:45 ` Rob Pike
2014-10-15 0:50 ` Rob Pike
2014-10-17 17:48 ` Yoann Padioleau
2014-10-17 19:07 ` Charles Forsyth [this message]
2014-10-17 20:00 ` Yoann Padioleau
2014-10-17 20:04 ` minux
2014-10-17 20:32 ` Yoann Padioleau
2014-10-21 17:34 ` Yoann Padioleau
2014-10-21 20:53 ` Charles Forsyth
2014-10-17 21:30 ` Charles Forsyth
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