From: Andy Wingo <wingo@pobox.com>
To: ludo@gnu.org (Ludovic Courtès)
Cc: guile-devel@gnu.org
Subject: Re: Register VM WIP
Date: Tue, 15 May 2012 20:49:08 +0200 [thread overview]
Message-ID: <877gwdmg9n.fsf@pobox.com> (raw)
In-Reply-To: <873972zczy.fsf@gnu.org> ("Ludovic Courtès"'s message of "Mon, 14 May 2012 23:09:05 +0200")
Heya Ludovic,
On Mon 14 May 2012 23:09, ludo@gnu.org (Ludovic Courtès) writes:
> 6 (local-ref 1)
> 8 (make-int8:0)
> 9 (ee?)
> 10 (local-set 2) ;;
> 12 (local-ref 2) ;; → use ‘local-set* 2’, which doesn’t pop
> 14 (br-if-not :L187) ;; -> 21
The register VM will do a br-if-= N M ! :LABEL, where ! is a flag
indicating that the test is inverted. It addresses the operands
directly in registers, no need to push test values. But yes, there are
places we could win, like local-sub1 and local-mov, as you say.
Regards,
Andy
--
http://wingolog.org/
prev parent reply other threads:[~2012-05-15 18:49 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-11 16:19 Register VM WIP Andy Wingo
2012-05-11 20:29 ` Stefan Israelsson Tampe
2012-05-16 15:01 ` Andy Wingo
2012-05-14 21:09 ` Ludovic Courtès
2012-05-14 21:28 ` Andrew Gwozdziewycz
2012-05-15 18:45 ` Andy Wingo
2012-05-16 0:39 ` Noah Lavine
2012-05-16 4:23 ` Mark H Weaver
2012-05-16 7:15 ` Andy Wingo
2012-05-16 13:44 ` Mark H Weaver
2012-05-16 14:00 ` David Kastrup
2012-05-16 14:54 ` Noah Lavine
2012-05-16 15:05 ` Andy Wingo
2012-05-16 20:39 ` Ludovic Courtès
2012-05-16 14:58 ` Andy Wingo
2012-05-16 16:27 ` Mark H Weaver
2012-05-16 16:39 ` Andy Wingo
2012-05-16 18:23 ` Noah Lavine
2012-05-16 7:10 ` Andy Wingo
2012-05-15 18:49 ` Andy Wingo [this message]
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