From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!not-for-mail From: Andy Wingo Newsgroups: gmane.lisp.guile.devel Subject: Re: Register VM WIP Date: Tue, 15 May 2012 20:49:08 +0200 Message-ID: <877gwdmg9n.fsf@pobox.com> References: <871umqr8q0.fsf@pobox.com> <873972zczy.fsf@gnu.org> NNTP-Posting-Host: plane.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Trace: dough.gmane.org 1337107766 10137 80.91.229.3 (15 May 2012 18:49:26 GMT) X-Complaints-To: usenet@dough.gmane.org NNTP-Posting-Date: Tue, 15 May 2012 18:49:26 +0000 (UTC) Cc: guile-devel@gnu.org To: ludo@gnu.org (Ludovic =?utf-8?Q?Court=C3=A8s?=) Original-X-From: guile-devel-bounces+guile-devel=m.gmane.org@gnu.org Tue May 15 20:49:25 2012 Return-path: Envelope-to: guile-devel@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by plane.gmane.org with esmtp (Exim 4.69) (envelope-from ) id 1SUMoE-0008Oz-Be for guile-devel@m.gmane.org; Tue, 15 May 2012 20:49:22 +0200 Original-Received: from localhost ([::1]:55186 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SUMoD-0004wv-Oq for guile-devel@m.gmane.org; Tue, 15 May 2012 14:49:21 -0400 Original-Received: from eggs.gnu.org ([208.118.235.92]:56628) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SUMo9-0004vT-Il for guile-devel@gnu.org; Tue, 15 May 2012 14:49:19 -0400 Original-Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1SUMo7-0001TU-L3 for guile-devel@gnu.org; Tue, 15 May 2012 14:49:17 -0400 Original-Received: from a-pb-sasl-sd.pobox.com ([74.115.168.62]:55459 helo=sasl.smtp.pobox.com) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SUMo7-0001TM-CM; Tue, 15 May 2012 14:49:15 -0400 Original-Received: from sasl.smtp.pobox.com (unknown [127.0.0.1]) by a-pb-sasl-sd.pobox.com (Postfix) with ESMTP id 6E0AC9E5B; Tue, 15 May 2012 14:49:12 -0400 (EDT) DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=pobox.com; h=from:to:cc :subject:references:date:in-reply-to:message-id:mime-version :content-type:content-transfer-encoding; s=sasl; bh=wcVMGytU+N7H Icx6xPjoe8wiZVw=; b=LTA15cj9aRT7kbghD19cmvcgXpr8sNQHyhbH5Y9XimbI 7VaymBF295cEw7/WXwJtacKIGNvlMIUEgt9klZ+y1ub/xWsmWVJjYcFTht5teGqd ofcR9uErW/zYH3sugV8a2NEhLh0EHPeFQiRTp43m+/NIxOaY+lVSxXwEeQpE/Oc= DomainKey-Signature: a=rsa-sha1; c=nofws; d=pobox.com; h=from:to:cc :subject:references:date:in-reply-to:message-id:mime-version :content-type:content-transfer-encoding; q=dns; s=sasl; b=meYOhM CVaiKh0nHmK6sTJpwztSTlfN0oguKXV5r1Svvtlk02vRzTJgfhtpYz9ax1Sc+5R2 BvtMg5ViKL/AJErXfxKoSRkFKN9YtBPgTZkeRDIZgJHbu1QQaPOWRap4nYnDcDSA IUwRXxmB1oxQGjHydW60wRAMx210lymJwDSYQ= Original-Received: from a-pb-sasl-sd.pobox.com (unknown [127.0.0.1]) by a-pb-sasl-sd.pobox.com (Postfix) with ESMTP id 665DC9E5A; Tue, 15 May 2012 14:49:12 -0400 (EDT) Original-Received: from badger (unknown [90.164.198.39]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by a-pb-sasl-sd.pobox.com (Postfix) with ESMTPSA id B9FB19E59; Tue, 15 May 2012 14:49:11 -0400 (EDT) In-Reply-To: <873972zczy.fsf@gnu.org> ("Ludovic =?utf-8?Q?Court=C3=A8s=22'?= =?utf-8?Q?s?= message of "Mon, 14 May 2012 23:09:05 +0200") User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/23.4 (gnu/linux) X-Pobox-Relay-ID: A94C89EA-9EBE-11E1-A101-E981AF15ED39-02397024!a-pb-sasl-sd.pobox.com X-detected-operating-system: by eggs.gnu.org: Solaris 10 (beta) X-Received-From: 74.115.168.62 X-BeenThere: guile-devel@gnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "Developers list for Guile, the GNU extensibility library" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: guile-devel-bounces+guile-devel=m.gmane.org@gnu.org Original-Sender: guile-devel-bounces+guile-devel=m.gmane.org@gnu.org Xref: news.gmane.org gmane.lisp.guile.devel:14442 Archived-At: Heya Ludovic, On Mon 14 May 2012 23:09, ludo@gnu.org (Ludovic Court=C3=A8s) writes: > 6 (local-ref 1) > 8 (make-int8:0) > 9 (ee?)=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20=20= =20=20=20=20=20=20=20=20=20 > 10 (local-set 2) ;; > 12 (local-ref 2) ;; =E2=86=92 use =E2=80=98local-set* 2=E2=80= =99, which doesn=E2=80=99t pop > 14 (br-if-not :L187) ;; -> 21 The register VM will do a br-if-=3D 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 --=20 http://wingolog.org/