From: Bruce Ellis <bruce.ellis@gmail.com>
To: Fans of the OS Plan 9 from Bell Labs <9fans@cse.psu.edu>
Subject: Re: [9fans] 8c (pcc)
Date: Sat, 22 Jan 2005 09:42:12 +1100 [thread overview]
Message-ID: <775b8d190501211442704e47f0@mail.gmail.com> (raw)
In-Reply-To: <ee9e417a050120232729677500@mail.gmail.com>
i'm presuming that MIN() is the usual macro involving ? : and
that i could probably fix this - tho i have no time at the moment.
8c generally avoids running out of registers rather well, though
i dare you to follow the logic. as ? : is not common in plan9
code and not highly regarded i guess this case was missed.
brucee
On Fri, 21 Jan 2005 02:27:56 -0500, Russ Cox <russcox@gmail.com> wrote:
> > 1's die with error message : <eof> out of fixed registers, while 2's are OK.
> > Could someone explain, why?
> > Thanks, regards,
> > ++pac.
>
> apparently the register allocator used for expressions
> is not doing a good job when it runs out of registers.
> when you rewrote the expressions to use explicit
> temporaries, you simplified its job.
>
> russ
>
next prev parent reply other threads:[~2005-01-21 22:42 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-01-21 7:18 cej
2005-01-21 7:27 ` Russ Cox
2005-01-21 22:42 ` Bruce Ellis [this message]
2005-01-23 20:35 ` Bruce Ellis
2005-02-07 7:13 [9fans] 8c(pcc) tapique
2005-02-08 4:55 ` Russ Cox
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