Path: csiph.com!usenet.pasdenom.info!weretis.net!feeder1.news.weretis.net!feeder.erje.net!eu.feeder.erje.net!border3.nntp.ams.giganews.com!Xl.tags.giganews.com!border1.nntp.ams.giganews.com!nntp.giganews.com!local2.nntp.ams.giganews.com!news.giganews.com.POSTED!not-for-mail NNTP-Posting-Date: Sat, 27 Oct 2012 14:33:45 -0500 From: Chris Hinsley Newsgroups: comp.lang.forth Date: Sat, 27 Oct 2012 20:33:45 +0100 Message-ID: <2012102720334580907-chrishinsley@gmailcom> References: <2012102715594849117-chrishinsley@gmailcom> <201210271603106615-chrishinsley@gmailcom> <1315f2d4-5da9-42dc-af23-d7d7a9f9018b@l12g2000vbj.googlegroups.com> <9335db0c-143e-48cb-b306-1e8dc4c9851a@i8g2000vbq.googlegroups.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1; format=flowed Content-Transfer-Encoding: 8bit Subject: Re: well formed flag ? User-Agent: Unison/2.1.9 Lines: 17 X-Usenet-Provider: http://www.giganews.com X-Trace: sv3-d3zh62/skrKxf2beIKNNcDQXEXkiNyYrZ180niwpFeTkjEAqdgV2bg/fkFuNBZM8o0xv4Vc3BIMNlBd!hXe7Mm2bmM3Xm4XhZPJETFyGFN7dkxqaUVV/50BxYDwm5DLTtsOnjCBDsrGlFVS/QTcJkW4= X-Complaints-To: abuse@giganews.com X-DMCA-Notifications: http://www.giganews.com/info/dmca.html X-Abuse-and-DMCA-Info: Please be sure to forward a copy of ALL headers X-Abuse-and-DMCA-Info: Otherwise we will be unable to process your complaint properly X-Postfilter: 1.3.40 X-Original-Bytes: 1924 Xref: csiph.com comp.lang.forth:16784 > : < ( 2 -- 1 ) > \ ' nseopt compiles; code=$4014DF len=9 type=1 > \ defined in src\kernel\gkernel32.f at line 574 > ( $0 ) sub dword { $0 ebp } eax \ 294500 > ( $3 ) cdq \ 99 > ( $4 ) mov eax edx \ 8BC2 > ( $6 ) add ebp $4 \ 83C504 > ( $9 ) ret \ C3 ( end ) ok Here your wringting back the result of the subtract to [ebp], which is not required, wasting memory bandwidth. Why not change it to a 'cmp [ebp], eax' ? I like the trick with cdq ! Neat ! Chris