Re: Bounds checking, Optimization techniques and undefined behavior

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From	"Derek M. Jones" <derek@_NOSPAM_knosof.co.uk>
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Subject	Re: Bounds checking, Optimization techniques and undefined behavior
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David,

> In C, what I coded was buggy - it has no defined behaviour.  What /I/
> want the compiler to do, is warn me about it.  (gcc doesn't, at least
> not with the flags I tried.  Maybe next version will - I always hope for
> better warnings.)  And I want the compiler to assume that I am not

You might like to give Cerberus a go:
http://cerberus.cl.cam.ac.uk/cerberus

To cover all cases, click Options and untick
Sequentialise operations (soon to be the default, I'm told).


--
Derek M. Jones
blog:shape-of-code.coding-guidelines.com

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Re: Optimization techniques David Brown <david.brown@hesbynett.no> - 2019-04-25 21:58 +0200
  Re: Optimization techniques Kaz Kylheku <847-115-0292@kylheku.com> - 2019-04-26 00:18 +0000
    Re: Optimization techniques David Brown <david.brown@hesbynett.no> - 2019-04-28 23:49 +0200
      Re: Optimization techniques and undefined behavior Bart <bc@freeuk.com> - 2019-04-29 00:31 +0100
        Re: Optimization techniques and undefined behavior David Brown <david.brown@hesbynett.no> - 2019-04-29 17:08 +0200
          Re: Optimization techniques and undefined behavior Christian Gollwitzer <auriocus@gmx.de> - 2019-04-29 18:10 +0200
            Re: Optimization techniques and undefined behavior David Brown <david.brown@hesbynett.no> - 2019-04-30 14:46 +0200
              Re: Optimization techniques and undefined behavior Bart <bc@freeuk.com> - 2019-05-01 13:53 +0100
                Re: Optimization techniques and undefined behavior Andy Walker <anw@cuboid.co.uk> - 2019-05-02 11:29 +0100
                Re: Optimization techniques and undefined behavior Bart <bc@freeuk.com> - 2019-05-03 00:48 +0100
                Re: Optimization techniques and undefined behavior Martin Ward <martin@gkc.org.uk> - 2019-05-03 10:52 +0100
                Re: Optimization techniques and undefined behavior George Neuner <gneuner2@comcast.net> - 2019-05-04 17:44 -0400
                Re: Bounds checking, Optimization techniques and undefined behavior George Neuner <gneuner2@comcast.net> - 2019-05-05 17:10 -0400
                Re: Optimization techniques and undefined behavior David Brown <david.brown@hesbynett.no> - 2019-05-06 08:14 +0200
                Re: Optimization techniques and undefined behavior Gene Wirchenko <genew@telus.net> - 2019-05-11 22:25 -0700
                Re: not a lot of memory, was Optimization techniques and undefined behavior Bart <bc@freeuk.com> - 2019-05-03 12:45 +0100
                Re: Optimization techniques and undefined behavior Andy Walker <anw@cuboid.co.uk> - 2019-05-03 13:29 +0100
                Re: Optimization techniques and undefined behavior Bart <bc@freeuk.com> - 2019-05-03 23:10 +0100
                Re: Optimization techniques and undefined behavior Andy Walker <anw@cuboid.co.uk> - 2019-05-04 10:45 +0100
                Re: Bounds checking, Optimization techniques and undefined behavior Bart <bc@freeuk.com> - 2019-05-05 11:14 +0100
                Re: Bounds checking, Optimization techniques and undefined behavior Hans-Peter Diettrich <DrDiettrich1@netscape.net> - 2019-05-05 20:44 +0200
                Re: Bounds checking, Optimization techniques and undefined behavior Hans-Peter Diettrich <DrDiettrich1@netscape.net> - 2019-05-06 10:15 +0200
                Re: Bounds checking, Optimization techniques and undefined behavior David Brown <david.brown@hesbynett.no> - 2019-05-07 11:04 +0200
                Re: Bounds checking, Optimization techniques and undefined behavior "Nuno Lopes" <nuno.lopes@ist.utl.pt> - 2019-05-07 22:38 +0100
                Re: Bounds checking, Optimization techniques and undefined behavior Bart <bc@freeuk.com> - 2019-05-08 01:14 +0100
                Re: Bounds checking, Optimization techniques and undefined behavior David Brown <david.brown@hesbynett.no> - 2019-05-08 09:55 +0200
                Re: Bounds checking, Optimization techniques and undefined behavior "Derek M. Jones" <derek@_NOSPAM_knosof.co.uk> - 2019-05-08 19:08 +0100
                Re: Bounds checking, Optimization techniques and undefined behavior Andy Walker <anw@cuboid.co.uk> - 2019-05-08 01:42 +0100
                Re: Bounds checking, Optimization techniques and undefined behavior David Brown <david.brown@hesbynett.no> - 2019-05-08 10:16 +0200
                Re: Bounds checking, Optimization techniques and undefined behavior Bart <bc@freeuk.com> - 2019-05-09 01:15 +0100
                Re: Bounds checking, Optimization techniques and undefined behavior David Brown <david.brown@hesbynett.no> - 2019-05-09 21:56 +0200
                Re: Bounds checking, Optimization techniques and undefined behavior David Brown <david.brown@hesbynett.no> - 2019-05-08 10:03 +0200
                Re: Bounds checking, Optimization techniques and undefined behavior David Brown <david.brown@hesbynett.no> - 2019-05-09 09:19 +0200
                Re: Bounds checking, Optimization techniques and undefined behavior Kaz Kylheku <847-115-0292@kylheku.com> - 2019-05-10 03:38 +0000
                Re: Bounds checking, Optimization techniques and undefined behavior Bart <bc@freeuk.com> - 2019-05-08 14:37 +0100
                Re: Bounds checking, Optimization techniques and undefined behavior Christopher F Clark <christopher.f.clark@compiler-resources.com> - 2019-05-06 05:05 -0400
                Re: Bounds checking, Optimization techniques and undefined behavior George Neuner <gneuner2@comcast.net> - 2019-05-05 17:38 -0400
                Re: Bounds checking, Optimization techniques and undefined behavior Bart <bc@freeuk.com> - 2019-05-06 13:07 +0100
                Re: Bounds checking, Optimization techniques and undefined behavior David Brown <david.brown@hesbynett.no> - 2019-05-07 14:01 +0200
                Re: Bounds checking, Optimization techniques and undefined behavior Andy Walker <anw@cuboid.co.uk> - 2019-05-06 01:15 +0100
                Re: Bounds checking, Optimization techniques and undefined behavior Andy Walker <anw@cuboid.co.uk> - 2019-05-06 14:40 +0100
                Re: Bounds checking, Optimization techniques and undefined behavior David Brown <david.brown@hesbynett.no> - 2019-05-07 15:05 +0200
                Re: Bounds checking, Optimization techniques and undefined behavior David Brown <david.brown@hesbynett.no> - 2019-05-08 10:18 +0200
                Re: Bounds checking, Optimization techniques and undefined behavior Jan Ziak <0xe2.0x9a.0x9b@gmail.com> - 2019-05-06 05:39 -0700
                Re: Bounds checking, Optimization techniques and undefined behavior David Brown <david.brown@hesbynett.no> - 2019-05-07 15:42 +0200
                Re: Bounds checking, Optimization techniques and undefined behavior David Brown <david.brown@hesbynett.no> - 2019-05-06 16:32 +0200
                Re: Optimization techniques and undefined behavior George Neuner <gneuner2@comcast.net> - 2019-05-04 17:59 -0400
                Re: Optimization techniques and undefined behavior David Brown <david.brown@hesbynett.no> - 2019-05-02 16:51 +0200
                Re: Optimization techniques and undefined behavior Bart <bc@freeuk.com> - 2019-05-02 20:04 +0100
                Re: Optimization techniques and undefined behavior David Brown <david.brown@hesbynett.no> - 2019-05-03 17:23 +0200
                Re: Optimization techniques and undefined behavior Bart <bc@freeuk.com> - 2019-05-03 21:10 +0100
                Re: Optimization techniques and undefined behavior Martin Ward <martin@gkc.org.uk> - 2019-05-06 13:25 +0100
                Re: Optimization techniques and undefined behavior "Derek M. Jones" <derek@_NOSPAM_knosof.co.uk> - 2019-05-06 16:32 +0100
                Re: Optimization techniques and undefined behavior David Brown <david.brown@hesbynett.no> - 2019-05-07 16:03 +0200
                Re: Optimization techniques and undefined behavior Martin Ward <martin@gkc.org.uk> - 2019-05-08 13:16 +0100
                Re: Optimization techniques and undefined behavior George Neuner <gneuner2@comcast.net> - 2019-05-08 15:13 -0400
                Re: Optimization techniques and undefined behavior "Robin Vowels" <robin51@dodo.com.au> - 2019-05-07 01:22 +1000
                Re: Optimization techniques and undefined behavior David Brown <david.brown@hesbynett.no> - 2019-05-07 16:05 +0200
                Re: Optimization techniques and undefined behavior Christian Gollwitzer <auriocus@gmx.de> - 2019-05-02 22:22 +0200
          Re: Optimization techniques and undefined behavior Bart <bc@freeuk.com> - 2019-04-29 18:15 +0100
            Re: Optimization techniques and undefined behavior David Brown <david.brown@hesbynett.no> - 2019-04-30 15:48 +0200
              Re: Optimization techniques and undefined behavior Bart <bc@freeuk.com> - 2019-05-01 12:40 +0100
                Re: Optimization techniques and undefined behavior David Brown <david.brown@hesbynett.no> - 2019-05-02 17:27 +0200
                Re: Optimization techniques and undefined behavior Bart <bc@freeuk.com> - 2019-05-02 18:59 +0100
                Re: Optimization techniques and undefined behavior David Brown <david.brown@hesbynett.no> - 2019-05-07 16:16 +0200
              Re: Optimization techniques and undefined behavior Martin Ward <martin@gkc.org.uk> - 2019-05-02 14:54 +0100
      Re: Optimization techniques and runtime checks Hans-Peter Diettrich <DrDiettrich1@netscape.net> - 2019-04-29 22:36 +0200
        Re: Optimization techniques and runtime checks David Brown <david.brown@hesbynett.no> - 2019-05-07 16:29 +0200
          Re: Optimization techniques and runtime checks Hans-Peter Diettrich <DrDiettrich1@netscape.net> - 2019-05-08 02:27 +0200
            Re: Optimization techniques and runtime checks David Brown <david.brown@hesbynett.no> - 2019-05-08 10:31 +0200
              Re: Optimization techniques and runtime checks Hans-Peter Diettrich <DrDiettrich1@netscape.net> - 2019-05-08 22:50 +0200
              Re: Optimization techniques and runtime checks "Robin Vowels" <robin51@dodo.com.au> - 2019-05-11 19:26 +1000
              Re: Optimization techniques and runtime checks Gene Wirchenko <genew@telus.net> - 2019-05-11 22:43 -0700
                Re: Optimization techniques and runtime checks David Brown <david.brown@hesbynett.no> - 2019-05-12 20:17 +0200
          Re: Optimization techniques and runtime checks Bart <bc@freeuk.com> - 2019-05-08 14:58 +0100
            Re: Optimization techniques and runtime checks David Brown <david.brown@hesbynett.no> - 2019-05-08 23:02 +0200
              Re: Optimization techniques and runtime checks Bart <bc@freeuk.com> - 2019-05-09 18:28 +0100
                Re: Optimization techniques and runtime checks David Brown <david.brown@hesbynett.no> - 2019-05-09 22:07 +0200
      Re: Optimization techniques Gene Wirchenko <genew@telus.net> - 2019-04-30 18:24 -0700
        Re: Optimization techniques David Brown <david.brown@hesbynett.no> - 2019-05-01 09:20 +0200
          Re: Optimization techniques Kaz Kylheku <847-115-0292@kylheku.com> - 2019-05-02 17:40 +0000
          Re: Optimization techniques and error detection Gene Wirchenko <genew@telus.net> - 2019-05-03 10:16 -0700
          Re: Optimization techniques "Robin Vowels" <robin51@dodo.com.au> - 2019-05-07 01:42 +1000
  Re: Optimization techniques Kaz Kylheku <847-115-0292@kylheku.com> - 2019-04-26 02:26 +0000
    Re: Optimization techniques and undefined behavior David Brown <david.brown@hesbynett.no> - 2019-04-29 00:12 +0200
      Re: Optimization techniques and undefined behavior Kaz Kylheku <847-115-0292@kylheku.com> - 2019-05-02 17:18 +0000
        Re: Optimization techniques and undefined behavior David Brown <david.brown@hesbynett.no> - 2019-05-07 16:38 +0200

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