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Re: What does the "L" mean

From Ben Bacarisse <ben.usenet@bsb.me.uk>
Newsgroups comp.lang.c++
Subject Re: What does the "L" mean
Date 2019-12-05 15:31 +0000
Organization A noiseless patient Spider
Message-ID <87zhg6yekm.fsf@bsb.me.uk> (permalink)
References (5 earlier) <h4pbc7Fhv1nU1@mid.individual.net> <qs7tog$2hu$1@dont-email.me> <qs99g5$7rs$1@dont-email.me> <875zivzhd9.fsf@bsb.me.uk> <qsb6v7$u8q$3@dont-email.me>

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Vir Campestris <vir.campestris@invalid.invalid> writes:

> On 05/12/2019 01:33, Ben Bacarisse wrote:
>> Vir Campestris <vir.campestris@invalid.invalid> writes:
>> <cut>
>>> The one that really strained C was the one where incrementing a
>>> pointer by 1 went to the next bit. Not byte or word. (TI GPU)
>>
>> What problems does C have on a bit-addressed machine?
>
> Code that assumes you can copy a pointer into a number, then
> manipulate it. Lots of people do it, even though they shouldn't.

That also should work on a bit-addressed machine.  You mean, I think,
that the code assumes some very specific things about the manipulation,
most probably that (int)(p + 1) == (int)p + sizeof *p.

<cut>
-- 
Ben.

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Thread

What does the "L" mean T <T@invalid.invalid> - 2019-12-03 23:38 -0800
  Re: What does the "L" mean Bonita Montero <Bonita.Montero@gmail.com> - 2019-12-04 08:43 +0100
    Re: What does the "L" mean T <T@invalid.invalid> - 2019-12-04 00:05 -0800
      Re: What does the "L" mean Geoff <geoff@invalid.invalid> - 2019-12-04 00:32 -0800
        Re: What does the "L" mean T <T@invalid.invalid> - 2019-12-04 00:33 -0800
        Re: What does the "L" mean Paavo Helde <myfirstname@osa.pri.ee> - 2019-12-04 11:11 +0200
          Re: What does the "L" mean Geoff <geoff@invalid.invalid> - 2019-12-04 01:14 -0800
      Re: What does the "L" mean "Fred. Zwarts" <F.Zwarts@KVI.nl> - 2019-12-04 09:39 +0100
        Re: What does the "L" mean T <T@invalid.invalid> - 2019-12-04 00:51 -0800
      Re: What does the "L" mean Paavo Helde <myfirstname@osa.pri.ee> - 2019-12-04 10:40 +0200
        Re: What does the "L" mean T <T@invalid.invalid> - 2019-12-04 00:56 -0800
          Re: What does the "L" mean Bo Persson <bo@bo-persson.se> - 2019-12-04 10:08 +0100
            Re: What does the "L" mean T <T@invalid.invalid> - 2019-12-04 01:20 -0800
              Re: What does the "L" mean Vir Campestris <vir.campestris@invalid.invalid> - 2019-12-04 21:46 +0000
                Re: What does the "L" mean Ben Bacarisse <ben.usenet@bsb.me.uk> - 2019-12-05 01:33 +0000
                Re: What does the "L" mean Vir Campestris <vir.campestris@invalid.invalid> - 2019-12-05 15:15 +0000
                Re: What does the "L" mean Ben Bacarisse <ben.usenet@bsb.me.uk> - 2019-12-05 15:31 +0000
                Re: What does the "L" mean Vir Campestris <vir.campestris@invalid.invalid> - 2019-12-06 10:59 +0000
                Re: What does the "L" mean Ben Bacarisse <ben.usenet@bsb.me.uk> - 2019-12-07 03:55 +0000
                Re: What does the "L" mean James Kuyper <jameskuyper@alumni.caltech.edu> - 2019-12-06 23:38 -0500
                Re: What does the "L" mean Tim Rentsch <tr.17687@z991.linuxsc.com> - 2019-12-06 22:36 -0800
                Re: What does the "L" mean Vir Campestris <vir.campestris@invalid.invalid> - 2019-12-08 21:33 +0000
                Re: What does the "L" mean Bart <bc@freeuk.com> - 2019-12-06 20:44 +0000
                Re: What does the "L" mean Bart <bc@freeuk.com> - 2019-12-06 20:52 +0000
                Re: What does the "L" mean Tim Rentsch <tr.17687@z991.linuxsc.com> - 2019-12-06 22:20 -0800
        Re: What does the "L" mean Bart <bc@freeuk.com> - 2019-12-06 16:20 +0000
          Re: What does the "L" mean boltar@nowhere.co.uk - 2019-12-06 16:30 +0000
            Re: What does the "L" mean Bart <bc@freeuk.com> - 2019-12-06 17:50 +0000
              Re: What does the "L" mean scott@slp53.sl.home (Scott Lurndal) - 2019-12-06 18:18 +0000
              Re: What does the "L" mean boltar@nowhere.co.uk - 2019-12-07 11:57 +0000
                Re: What does the "L" mean Bart <bc@freeuk.com> - 2019-12-07 12:04 +0000
                Re: What does the "L" mean boltar@nowhere.co.uk - 2019-12-07 13:05 +0000
                Re: What does the "L" mean Bart <bc@freeuk.com> - 2019-12-07 13:16 +0000
                Re: What does the "L" mean Öö Tiib <ootiib@hot.ee> - 2019-12-07 05:49 -0800
          Re: What does the "L" mean scott@slp53.sl.home (Scott Lurndal) - 2019-12-06 16:36 +0000
      Re: What does the "L" mean Bonita Montero <Bonita.Montero@gmail.com> - 2019-12-04 13:47 +0100
        Re: What does the "L" mean Thiago Adams <thiago.adams@gmail.com> - 2019-12-04 04:57 -0800
        Re: What does the "L" mean "Fred. Zwarts" <F.Zwarts@KVI.nl> - 2019-12-04 14:41 +0100
          Re: What does the "L" mean Bonita Montero <Bonita.Montero@gmail.com> - 2019-12-04 15:06 +0100
        Re: What does the "L" mean James Kuyper <jameskuyper@alumni.caltech.edu> - 2019-12-04 08:55 -0500
    Re: What does the "L" mean T <T@invalid.invalid> - 2019-12-04 00:34 -0800
  Re: What does the "L" mean Keith Thompson <kst-u@mib.org> - 2019-12-04 08:28 -0800
    Re: What does the "L" mean Robert Wessel <robertwessel2@yahoo.com> - 2019-12-05 09:32 -0600
      Re: What does the "L" mean Keith Thompson <kst-u@mib.org> - 2019-12-05 10:03 -0800

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