From: Nemo Nusquam <email@example.com> To: firstname.lastname@example.org Subject: Re: [TUHS] pcc in 8th edition Date: Sun, 25 Apr 2021 20:18:29 -0400 Message-ID: <email@example.com> (raw) In-Reply-To: <20210425220226.A7E5E640CB6@lignose.oclsc.org> On 2021-04-25 18:02, Norman Wilson wrote (in part): > Some of the earliest work on lcc was done in 1127; Chris > Fraser worked for the Labs for some years, Dave Hanson > collaborated from his appointment at Princeton. I believe > there was a /usr/bin/lcc. Some programs used it, either > because they needed some part of the ISO syntax (pcc2 was > pre-ISO) or just because. > > I don't think that version of lcc used Reiser's c2 optimizer; > it generated reasonably good code by itself, including > emitting auto-increment/decrement instructions. Later > versions of lcc (such as that I later adopted as cc in > my personal V10 world) couldn't do that any more, so I > had to keep c2, and in fact to modify it to turn > addl3 a,b,(p) > mova 4(p),p > into > addl3 a,b,(p)+ > (or maybe it was addl2 $4,p, I forget) > > But that's another story which I'll tell only if asked, > and nothing to do with the original question. Please consider yourself asked. #6-) N.
next prev parent reply other threads:[~2021-04-26 0:19 UTC|newest] Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-04-25 22:02 Norman Wilson 2021-04-26 0:18 ` Nemo Nusquam [this message] 2021-04-26 16:51 ` Adam Thornton -- strict thread matches above, loose matches on Subject: below -- 2021-04-26 18:00 Norman Wilson 2021-04-26 18:11 ` Dan Cross 2021-04-25 20:48 Norman Wilson 2021-04-25 20:54 ` Dan Cross 2021-04-26 6:29 ` Noel Hunt 2021-04-25 12:35 Paul Ruizendaal 2021-04-25 12:49 ` arnold 2021-04-25 14:04 ` Paul Ruizendaal 2021-04-25 15:45 ` Paul Ruizendaal 2021-04-25 17:11 ` Clem Cole 2021-04-25 17:32 ` arnold 2021-04-25 17:46 ` Clem Cole 2021-04-25 20:11 ` Paul Ruizendaal 2021-04-30 23:08 ` Paul Ruizendaal 2021-04-25 9:15 Paul Ruizendaal via TUHS
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