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Groups > comp.lang.c > #167343
| From | David Brown <david.brown@hesbynett.no> |
|---|---|
| Newsgroups | comp.lang.c |
| Subject | Re: Are there any conformant C compilers? |
| Date | 2022-08-30 18:36 +0200 |
| Organization | A noiseless patient Spider |
| Message-ID | <teleaj$1h1f4$1@dont-email.me> (permalink) |
| References | (15 earlier) <39f810b7-0146-402b-9f21-374299576709n@googlegroups.com> <tekrfu$1f4lr$1@dont-email.me> <tel51m$j95$1@gioia.aioe.org> <telbi6$1gnds$1@dont-email.me> <0feeb097-4973-458b-a67d-504126cac237n@googlegroups.com> |
On 30/08/2022 18:02, Thiago Adams wrote:
> On Tuesday, August 30, 2022 at 12:49:39 PM UTC-3, David Brown wrote:
>> On 30/08/2022 15:58, Bart wrote:
>>> On 30/08/2022 12:15, David Brown wrote:
>>>> On 30/08/2022 02:51, bart c wrote:
>>>
>>>> (Being C++, this is really off-topic for c.l.c., but it might be of
>>>> interest to people here.)
>>>>
>>>>
>>>> In C++, you can write at file scope :
>>>>
>>>> int fib(int a) {
>>>> if (a < 2) return 1;
>>>> return fib(a - 1) + fib(a - 2);
>>>> }
>>>>
>>>>
>>>> int x = fib(5);
>>>> int y = fib(40);
>>>>
>>>>
>>>> The compiler may choose, as an optimisation, to pre-compute "fib(5)"
>>>> and use constant initialisation equivalent to "int x = 8;", so that
>>>> the memory for the variable "x" gets loaded with the value 8 before
>>>> main() or any other "real" code of the program runs. (You are
>>>> familiar with this initialisation procedure from C.)
>>>>
>>>> But for y, and optionally for x, the compiler will use run-time
>>>> initialisation. In effect, it generates "int y;" and a code section
>>>> that executes "y = fib(40);" and is run pre-main.
>>>>
>>>> Sometimes you don't want the possibility of having such run-time
>>>> initialisation, with all its potential complications such as startup
>>>> time, initialisation order, protection against race conditions for
>>>> function-local statics called from multiple threads, etc. But given
>>>> the code above, you cannot easily tell which, if either, of the
>>>> variable initialisations is done with a simple constant copy.
>>>>
>>>> To solve this, you first have to add "constexpr" to the "fib"
>>>> function. That tells the compiler that if it is given a constant
>>>> expression argument, the function can be evaluated at compile time to
>>>> give a constant expression result (while also still being usable at
>>>> runtime - "consteval" is the alternative to say that the function is
>>>> compile-time only and can never be used at runtime). This places
>>>> certain restrictions on the function - it has to be "pure", at least
>>>> for the particular constant values that you use in the program, but
>>>> that's fine here.
>>>>
>>>> Next, you label the variables as "constinit". This tells the compiler
>>>> that these functions must be initialised as constants, or compilation
>>>> will fail :
>>>>
>>>> constexpr int fib(int a) {
>>>> if (a < 2) return 1;
>>>> return fib(a - 1) + fib(a - 2);
>>>> }
>>>>
>>>> constinit int x = fib(5);
>>>> constinit int y = fib(40);
>>>>
>>>>
>>>> Now the compiler has no choice but to treat this as "int x = 8;" and
>>>> "int y = 165580141;". If the compiler can't do the calculation at
>>>> compile time (such as if I'd written fib(46), which at 2971215073
>>>> overflows a 32-bit int, or fib(41) which exceeds gcc's standard limit
>>>> of the number of steps it allows in a compile-time execution), then
>>>> the compiler halts with an error.
>>>>
>>>>
>>>> So "constinit" gives you tighter control of such initialisation. Note
>>>> that the variables "x" and "y" are still variables - it is only the
>>>> initialisation that is done by a constant, they are not constants
>>>> themselves (as they would be with "constexpr int x = fib(5);".
>>>> Indeed, the line "constinit int x = fib(5);" is equivalent to :
>>>>
>>>> constexpr int x_init = fib(5);
>>>> int x = x_init;
>>>
>>> OK, thanks.
>>>
>>> So 'constinit' means something should be evaluated before execution
>>> (where there is a choice or possibility that it can be done after
>>> execution starts, although I can still see problems where x, y, z refer
>>> to each other, but only one or two use constinit).
>> "constinit" means "initialise using a constant value that is known at
>> compile time". "constinit" variables are /not/ constants - it is their
>> initialisers that are constants. So it does not make sense for the
>> initialisation of one "constinit" variable to depend on the value of
>> another "constinit" variable. (They can depend on "constexpr" data, of
>> course, since those /are/ constant.)
>>>
>>> And 'constexpr' treats them as readonly, but also allows such an
>>> expression to be considered a guaranteed compile-time expression,
>> Yes. (Note that it does not imply that the object has to actually exist
>> in the memory image - the compiler can use the constant value directly.)
>>> unlike
>>> static const, suitable for fixed arrays, switch cases, and for constant
>>> reduction.
>> In C++, "static const" (or just plain "const", as these have static
>> linkage by default in C++, unlike in C) objects /can/ be used for some
>> things such as the size of fixed arrays.
>>
>> And all sorts of things can be used for constant reduction by the
>> compiler - if the compiler knows there is no legal way for something to
>> change value, then the value can be used for optimisation regardless of
>> language rules about constants.
>
> There as several questions I would like to ask for standard committed.
> When C imported const from C++, probably they had a reason for
> not copy C++ 100%? Maybe it was to keep C compilers simple?
> But if this was the reason .. it was not applied to constexpr? ( I am not sure
> it C23 constexpr will not use storage , maybe this is open to the implementation)
It is just like "static const". Whether you have "constexpr int x =
123;" or "static const int x = 123;", the code must act as though it had
put the object in storage. Each such object has a unique address, which
you can get with "&x".
In practice, however, no serious compiler would generate storage for
either "static const" or "constexpr" objects unless the storage is
actually needed. This is a "quality of implementation" issue - and
programmers (some, at least) rely on it for efficient results.
So I would expect /exactly/ the same object code and stored objects from:
int foo(void) { return 123; }
and
constexpr int a = 100;
static const int b = 20;
int foo(void) { return a + b + 3; }
>
> I think what basically what I would like to understand is why not improve const and NULL.
> What are the big problems? The problem of creating a competing feature I already can see..
> this is not new and C++ is following this path.
> It is important to notice that C++ has other motivation for the same features.
>
I agree that pretty much the same results could have been achieved with
changes and improvements to const and NULL. But by introducing these as
new features, there are three benefits. One is that there are no
changes to existing features - and therefore no risk of breakage of
code, nor of changing people's understanding of existing features. Two
is clarity of coding, which is improved for the programmer and also may
allow improved static error checking. And then there is compatibility
with C++ features - both from the viewpoint of code sharing (at least
headers), and from sharing knowledge and understanding for programmers.
Back to comp.lang.c | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread
Are there any conformant C compilers? antispam@math.uni.wroc.pl - 2022-08-25 02:33 +0000
Re: Are there any conformant C compilers? Kaz Kylheku <480-992-1380@kylheku.com> - 2022-08-25 03:00 +0000
Re: Are there any conformant C compilers? antispam@math.uni.wroc.pl - 2022-08-26 00:22 +0000
Re: Are there any conformant C compilers? Kaz Kylheku <480-992-1380@kylheku.com> - 2022-08-26 16:48 +0000
Re: Are there any conformant C compilers? bart c <bart4858@gmail.com> - 2022-08-25 03:01 -0700
Re: Are there any conformant C compilers? antispam@math.uni.wroc.pl - 2022-08-25 14:29 +0000
Re: Are there any conformant C compilers? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2022-08-25 08:10 -0700
Re: Are there any conformant C compilers? antispam@math.uni.wroc.pl - 2022-08-25 16:23 +0000
Re: Are there any conformant C compilers? David Brown <david.brown@hesbynett.no> - 2022-08-25 20:53 +0200
Re: Are there any conformant C compilers? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2022-08-26 06:56 -0700
Re: Are there any conformant C compilers? David Brown <david.brown@hesbynett.no> - 2022-08-26 17:29 +0200
Re: Are there any conformant C compilers? Thiago Adams <thiago.adams@gmail.com> - 2022-08-26 13:44 -0700
Re: Are there any conformant C compilers? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2022-08-26 13:56 -0700
Re: Are there any conformant C compilers? Thiago Adams <thiago.adams@gmail.com> - 2022-08-26 16:01 -0700
Re: Are there any conformant C compilers? David Brown <david.brown@hesbynett.no> - 2022-08-28 10:27 +0200
Re: Are there any conformant C compilers? bart c <bart4858@gmail.com> - 2022-08-28 03:52 -0700
Re: Are there any conformant C compilers? David Brown <david.brown@hesbynett.no> - 2022-08-28 15:05 +0200
Re: Are there any conformant C compilers? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2022-08-28 17:00 -0700
Re: Are there any conformant C compilers? bart c <bart4858@gmail.com> - 2022-08-29 15:16 -0700
Re: Are there any conformant C compilers? David Brown <david.brown@hesbynett.no> - 2022-08-30 09:38 +0200
Re: Are there any conformant C compilers? bart c <bart4858@gmail.com> - 2022-08-30 04:03 -0700
Re: Are there any conformant C compilers? Anton Shepelev <anton.txt@gmail.com> - 2022-08-31 01:20 +0300
Re: Are there any conformant C compilers? David Brown <david.brown@hesbynett.no> - 2022-08-31 09:14 +0200
Re: Are there any conformant C compilers? Thiago Adams <thiago.adams@gmail.com> - 2022-08-28 06:19 -0700
Re: Are there any conformant C compilers? Thiago Adams <thiago.adams@gmail.com> - 2022-08-28 06:11 -0700
Re: Are there any conformant C compilers? David Brown <david.brown@hesbynett.no> - 2022-08-28 17:20 +0200
Re: Are there any conformant C compilers? Thiago Adams <thiago.adams@gmail.com> - 2022-08-28 12:31 -0700
Re: Are there any conformant C compilers? Thiago Adams <thiago.adams@gmail.com> - 2022-08-28 12:49 -0700
Re: Are there any conformant C compilers? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2022-08-28 21:29 +0100
Re: Are there any conformant C compilers? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2022-08-28 17:49 -0700
Re: Are there any conformant C compilers? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2022-08-29 02:58 +0100
Re: Are there any conformant C compilers? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2022-08-28 19:51 -0700
Re: Are there any conformant C compilers? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2022-08-29 10:54 +0100
Re: Are there any conformant C compilers? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2022-09-12 05:13 -0700
Re: Are there any conformant C compilers? scott@slp53.sl.home (Scott Lurndal) - 2022-09-12 13:55 +0000
Re: Are there any conformant C compilers? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2022-09-12 15:06 +0100
Re: Are there any conformant C compilers? scott@slp53.sl.home (Scott Lurndal) - 2022-09-12 15:22 +0000
Re: Are there any conformant C compilers? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2022-09-12 17:04 +0100
Re: Are there any conformant C compilers? scott@slp53.sl.home (Scott Lurndal) - 2022-09-12 17:39 +0000
Re: Are there any conformant C compilers? scott@slp53.sl.home (Scott Lurndal) - 2022-09-12 17:40 +0000
Re: Are there any conformant C compilers? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2022-09-13 15:52 -0700
Re: Are there any conformant C compilers? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2022-09-13 17:24 -0700
Re: Are there any conformant C compilers? David Brown <david.brown@hesbynett.no> - 2022-08-28 22:55 +0200
Re: Are there any conformant C compilers? David Brown <david.brown@hesbynett.no> - 2022-08-28 22:51 +0200
Re: Are there any conformant C compilers? Thiago Adams <thiago.adams@gmail.com> - 2022-08-28 14:57 -0700
Re: Are there any conformant C compilers? David Brown <david.brown@hesbynett.no> - 2022-08-29 00:46 +0200
Re: Are there any conformant C compilers? Thiago Adams <thiago.adams@gmail.com> - 2022-08-28 16:13 -0700
Re: Are there any conformant C compilers? David Brown <david.brown@hesbynett.no> - 2022-08-29 08:47 +0200
Re: Are there any conformant C compilers? Thiago Adams <thiago.adams@gmail.com> - 2022-08-28 20:13 -0700
Re: Are there any conformant C compilers? Thiago Adams <thiago.adams@gmail.com> - 2022-08-28 20:30 -0700
Re: Are there any conformant C compilers? David Brown <david.brown@hesbynett.no> - 2022-08-29 09:36 +0200
Re: Are there any conformant C compilers? Bart <bc@freeuk.com> - 2022-08-31 00:43 +0100
Re: Are there any conformant C compilers? David Brown <david.brown@hesbynett.no> - 2022-08-31 10:44 +0200
Re: Are there any conformant C compilers? Thiago Adams <thiago.adams@gmail.com> - 2022-08-31 04:50 -0700
Re: Are there any conformant C compilers? Thiago Adams <thiago.adams@gmail.com> - 2022-08-31 05:48 -0700
Re: Are there any conformant C compilers? Bart <bc@freeuk.com> - 2022-08-31 14:31 +0100
Re: Are there any conformant C compilers? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2022-08-31 15:15 +0100
Re: Are there any conformant C compilers? Bart <bc@freeuk.com> - 2022-08-31 16:41 +0100
Re: Are there any conformant C compilers? Thiago Adams <thiago.adams@gmail.com> - 2022-08-31 08:55 -0700
Re: Are there any conformant C compilers? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2022-08-31 17:43 +0100
Re: Are there any conformant C compilers? Bart <bc@freeuk.com> - 2022-08-31 18:37 +0100
Re: Are there any conformant C compilers? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2022-08-31 19:30 +0100
Re: Are there any conformant C compilers? scott@slp53.sl.home (Scott Lurndal) - 2022-08-31 18:47 +0000
Re: Are there any conformant C compilers? Bart <bc@freeuk.com> - 2022-08-31 20:37 +0100
Re: Are there any conformant C compilers? scott@slp53.sl.home (Scott Lurndal) - 2022-08-31 19:47 +0000
Re: Are there any conformant C compilers? David Brown <david.brown@hesbynett.no> - 2022-09-01 09:45 +0200
Re: Are there any conformant C compilers? Bart <bc@freeuk.com> - 2022-09-01 11:55 +0100
Re: Are there any conformant C compilers? Thiago Adams <thiago.adams@gmail.com> - 2022-09-01 05:23 -0700
Re: Are there any conformant C compilers? Bart <bc@freeuk.com> - 2022-09-01 14:20 +0100
Re: Are there any conformant C compilers? Manfred <noname@add.invalid> - 2022-09-03 02:20 +0200
Re: Are there any conformant C compilers? scott@slp53.sl.home (Scott Lurndal) - 2022-09-03 00:25 +0000
Re: Are there any conformant C compilers? Manfred <noname@add.invalid> - 2022-09-03 02:46 +0200
Re: Are there any conformant C compilers? David Brown <david.brown@hesbynett.no> - 2022-09-03 10:11 +0200
Re: Are there any conformant C compilers? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2022-09-03 12:54 +0100
Re: Are there any conformant C compilers? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2022-09-03 12:52 -0700
Re: Are there any conformant C compilers? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2022-09-03 21:08 +0100
Re: Are there any conformant C compilers? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2022-09-03 12:46 -0700
Re: Are there any conformant C compilers? Bart <bc@freeuk.com> - 2022-09-01 01:25 +0100
Re: Are there any conformant C compilers? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2022-09-01 11:17 +0100
Re: Are there any conformant C compilers? Bart <bc@freeuk.com> - 2022-09-01 12:04 +0100
Re: Are there any conformant C compilers? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2022-09-01 16:06 +0100
Re: Are there any conformant C compilers? Bart <bc@freeuk.com> - 2022-09-04 23:24 +0100
Re: Are there any conformant C compilers? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2022-08-31 11:39 -0700
Re: Are there any conformant C compilers? David Brown <david.brown@hesbynett.no> - 2022-08-31 18:57 +0200
Re: Are there any conformant C compilers? antispam@math.uni.wroc.pl - 2022-09-02 17:37 +0000
Re: Are there any conformant C compilers? Bart <bc@freeuk.com> - 2022-09-02 23:51 +0100
Re: Are there any conformant C compilers? antispam@math.uni.wroc.pl - 2022-09-03 01:23 +0000
Re: Are there any conformant C compilers? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2022-09-02 20:42 -0700
Re: Are there any conformant C compilers? antispam@math.uni.wroc.pl - 2022-09-03 14:34 +0000
Re: Are there any conformant C compilers? scott@slp53.sl.home (Scott Lurndal) - 2022-09-03 17:39 +0000
Re: Are there any conformant C compilers? Bart <bc@freeuk.com> - 2022-09-03 12:00 +0100
Re: Are there any conformant C compilers? Bart <bc@freeuk.com> - 2022-09-03 14:45 +0100
Re: Are there any conformant C compilers? David Brown <david.brown@hesbynett.no> - 2022-09-03 17:40 +0200
Re: Are there any conformant C compilers? Bart <bc@freeuk.com> - 2022-09-03 17:30 +0100
Re: Are there any conformant C compilers? David Brown <david.brown@hesbynett.no> - 2022-09-04 15:02 +0200
Re: Are there any conformant C compilers? antispam@math.uni.wroc.pl - 2022-09-04 22:45 +0000
Re: Are there any conformant C compilers? Bart <bc@freeuk.com> - 2022-09-05 01:02 +0100
Re: Are there any conformant C compilers? David Brown <david.brown@hesbynett.no> - 2022-09-05 08:22 +0200
Re: Are there any conformant C compilers? Bart <bc@freeuk.com> - 2022-09-05 12:28 +0100
Re: Are there any conformant C compilers? David Brown <david.brown@hesbynett.no> - 2022-09-05 15:52 +0200
Re: Are there any conformant C compilers? Bart <bc@freeuk.com> - 2022-09-05 15:15 +0100
Re: Are there any conformant C compilers? David Brown <david.brown@hesbynett.no> - 2022-09-05 22:54 +0200
Re: Are there any conformant C compilers? Bart <bc@freeuk.com> - 2022-09-05 22:49 +0100
Re: Are there any conformant C compilers? scott@slp53.sl.home (Scott Lurndal) - 2022-09-05 23:05 +0000
Re: Are there any conformant C compilers? Bart <bc@freeuk.com> - 2022-09-06 01:41 +0100
Re: Are there any conformant C compilers? David Brown <david.brown@hesbynett.no> - 2022-09-06 09:39 +0200
Re: Are there any conformant C compilers? Bart <bc@freeuk.com> - 2022-09-06 10:50 +0100
Re: Are there any conformant C compilers? David Brown <david.brown@hesbynett.no> - 2022-09-06 15:29 +0200
Re: Are there any conformant C compilers? Anton Shepelev <anton.txt@g{oogle}mail.com> - 2022-09-06 17:05 +0300
Re: Are there any conformant C compilers? Bart <bc@freeuk.com> - 2022-09-06 15:43 +0100
Re: Are there any conformant C compilers? David Brown <david.brown@hesbynett.no> - 2022-09-06 17:19 +0200
Re: Are there any conformant C compilers? tTh <tth@none.invalid> - 2022-09-06 18:19 +0200
Re: Are there any conformant C compilers? Öö Tiib <ootiib@hot.ee> - 2022-09-08 06:18 -0700
Re: Are there any conformant C compilers? Bart <bc@freeuk.com> - 2022-09-07 18:10 +0100
Re: Are there any conformant C compilers? David Brown <david.brown@hesbynett.no> - 2022-09-07 20:31 +0200
Re: Are there any conformant C compilers? scott@slp53.sl.home (Scott Lurndal) - 2022-09-07 19:41 +0000
Re: Are there any conformant C compilers? Bart <bc@freeuk.com> - 2022-09-07 22:05 +0100
Re: Are there any conformant C compilers? David Brown <david.brown@hesbynett.no> - 2022-09-08 10:07 +0200
Re: Are there any conformant C compilers? scott@slp53.sl.home (Scott Lurndal) - 2022-09-05 21:42 +0000
Re: Are there any conformant C compilers? Bart <bc@freeuk.com> - 2022-09-05 23:11 +0100
Re: Are there any conformant C compilers? scott@slp53.sl.home (Scott Lurndal) - 2022-09-05 23:03 +0000
Re: Are there any conformant C compilers? Bart <bc@freeuk.com> - 2022-09-06 01:02 +0100
Re: Are there any conformant C compilers? antispam@math.uni.wroc.pl - 2022-09-05 12:27 +0000
Re: Are there any conformant C compilers? scott@slp53.sl.home (Scott Lurndal) - 2022-09-05 21:40 +0000
Re: Are there any conformant C compilers? "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2022-09-05 14:55 -0700
Re: Are there any conformant C compilers? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2022-09-03 20:24 +0100
Re: Are there any conformant C compilers? Bart <bc@freeuk.com> - 2022-09-03 22:30 +0100
Re: Are there any conformant C compilers? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2022-09-04 00:19 +0100
Re: Are there any conformant C compilers? Bart <bc@freeuk.com> - 2022-09-04 12:35 +0100
Re: Are there any conformant C compilers? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2022-09-04 14:17 +0100
Re: Are there any conformant C compilers? Bart <bc@freeuk.com> - 2022-09-04 15:20 +0100
Re: Are there any conformant C compilers? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2022-09-04 15:58 +0100
Re: Are there any conformant C compilers? Bart <bc@freeuk.com> - 2022-09-04 18:00 +0100
Re: Are there any conformant C compilers? Manfred <noname@add.invalid> - 2022-09-04 19:26 +0200
Re: Are there any conformant C compilers? antispam@math.uni.wroc.pl - 2022-09-03 16:24 +0000
Re: Are there any conformant C compilers? Bart <bc@freeuk.com> - 2022-09-03 18:23 +0100
Re: Are there any conformant C compilers? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2022-09-03 13:56 -0700
Re: Are there any conformant C compilers? Thiago Adams <thiago.adams@gmail.com> - 2022-08-31 06:52 -0700
Re: Are there any conformant C compilers? David Brown <david.brown@hesbynett.no> - 2022-08-31 15:06 +0200
Re: Are there any conformant C compilers? Bart <bc@freeuk.com> - 2022-08-31 12:50 +0100
Re: Are there any conformant C compilers? David Brown <david.brown@hesbynett.no> - 2022-08-31 15:19 +0200
Re: Are there any conformant C compilers? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2022-08-28 16:51 -0700
Re: Are there any conformant C compilers? David Brown <david.brown@hesbynett.no> - 2022-08-29 09:45 +0200
Re: Are there any conformant C compilers? David Brown <david.brown@hesbynett.no> - 2022-08-29 10:04 +0200
Re: Are there any conformant C compilers? Thiago Adams <thiago.adams@gmail.com> - 2022-08-29 04:59 -0700
Re: Are there any conformant C compilers? Öö Tiib <ootiib@hot.ee> - 2022-08-29 07:32 -0700
Re: Are there any conformant C compilers? David Brown <david.brown@hesbynett.no> - 2022-08-29 16:47 +0200
Re: Are there any conformant C compilers? bart c <bart4858@gmail.com> - 2022-08-29 17:51 -0700
Re: Are there any conformant C compilers? David Brown <david.brown@hesbynett.no> - 2022-08-30 13:15 +0200
Re: Are there any conformant C compilers? Bart <bc@freeuk.com> - 2022-08-30 14:58 +0100
Re: Are there any conformant C compilers? Bart <bc@freeuk.com> - 2022-08-30 15:54 +0100
Re: Are there any conformant C compilers? Thiago Adams <thiago.adams@gmail.com> - 2022-08-30 09:17 -0700
Re: Are there any conformant C compilers? Bart <bc@freeuk.com> - 2022-08-30 18:34 +0100
Re: Are there any conformant C compilers? David Brown <david.brown@hesbynett.no> - 2022-08-31 11:25 +0200
Re: Are there any conformant C compilers? Bart <bc@freeuk.com> - 2022-08-31 14:14 +0100
Re: Are there any conformant C compilers? David Brown <david.brown@hesbynett.no> - 2022-08-31 15:28 +0200
Re: Are there any conformant C compilers? Bart <bc@freeuk.com> - 2022-08-31 15:02 +0100
Re: Are there any conformant C compilers? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2022-08-31 15:28 +0100
Re: Are there any conformant C compilers? David Brown <david.brown@hesbynett.no> - 2022-08-31 17:06 +0200
Re: Are there any conformant C compilers? scott@slp53.sl.home (Scott Lurndal) - 2022-08-31 15:29 +0000
Re: Are there any conformant C compilers? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2022-08-31 17:48 +0100
Re: Are there any conformant C compilers? David Brown <david.brown@hesbynett.no> - 2022-08-31 19:58 +0200
Re: Are there any conformant C compilers? Bart <bc@freeuk.com> - 2022-08-31 20:31 +0100
Re: Are there any conformant C compilers? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2022-08-31 13:01 -0700
Re: Are there any conformant C compilers? Thiago Adams <thiago.adams@gmail.com> - 2022-08-31 15:26 -0700
Re: Are there any conformant C compilers? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2022-08-31 15:42 -0700
Re: Are there any conformant C compilers? David Brown <david.brown@hesbynett.no> - 2022-09-01 10:00 +0200
Re: Are there any conformant C compilers? Thiago Adams <thiago.adams@gmail.com> - 2022-09-01 04:35 -0700
Re: Are there any conformant C compilers? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2022-09-01 15:10 -0700
Re: Are there any conformant C compilers? Bart <bc@freeuk.com> - 2022-09-02 00:09 +0100
Re: Are there any conformant C compilers? David Brown <david.brown@hesbynett.no> - 2022-09-02 09:30 +0200
Re: Are there any conformant C compilers? Bart <bc@freeuk.com> - 2022-09-02 13:24 +0100
Re: Are there any conformant C compilers? Thiago Adams <thiago.adams@gmail.com> - 2022-09-02 05:56 -0700
Re: Are there any conformant C compilers? Bart <bc@freeuk.com> - 2022-09-02 15:14 +0100
Re: Are there any conformant C compilers? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2022-09-02 16:19 +0100
Re: Are there any conformant C compilers? Bart <bc@freeuk.com> - 2022-09-02 17:52 +0100
Re: Are there any conformant C compilers? Thiago Adams <thiago.adams@gmail.com> - 2022-09-02 10:01 -0700
Re: Are there any conformant C compilers? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2022-09-02 11:50 -0700
Re: Are there any conformant C compilers? Thiago Adams <thiago.adams@gmail.com> - 2022-09-02 12:18 -0700
Re: Are there any conformant C compilers? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2022-09-02 20:45 +0100
Re: Are there any conformant C compilers? Thiago Adams <thiago.adams@gmail.com> - 2022-09-02 13:08 -0700
Re: Are there any conformant C compilers? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2022-09-02 21:41 +0100
Re: Are there any conformant C compilers? Thiago Adams <thiago.adams@gmail.com> - 2022-09-02 13:55 -0700
Re: Are there any conformant C compilers? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2022-09-02 23:29 +0100
Re: Are there any conformant C compilers? Thiago Adams <thiago.adams@gmail.com> - 2022-09-02 16:25 -0700
Re: Are there any conformant C compilers? David Brown <david.brown@hesbynett.no> - 2022-09-03 10:23 +0200
Re: Are there any conformant C compilers? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2022-09-03 13:07 +0100
Re: Are there any conformant C compilers? David Brown <david.brown@hesbynett.no> - 2022-09-03 15:06 +0200
Re: Are there any conformant C compilers? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2022-09-11 21:22 -0700
Re: Are there any conformant C compilers? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2022-09-12 12:01 +0100
Re: Are there any conformant C compilers? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2022-09-13 07:40 -0700
Re: Are there any conformant C compilers? Bart <bc@freeuk.com> - 2022-09-12 12:32 +0100
Re: Are there any conformant C compilers? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2022-09-12 09:33 -0700
Re: Are there any conformant C compilers? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2022-09-13 07:34 -0700
Re: Are there any conformant C compilers? Kaz Kylheku <480-992-1380@kylheku.com> - 2022-09-13 16:41 +0000
Re: Are there any conformant C compilers? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2022-09-14 07:41 -0700
Re: Are there any conformant C compilers? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2022-09-14 11:06 -0700
Re: Are there any conformant C compilers? Kaz Kylheku <480-992-1380@kylheku.com> - 2022-09-15 01:03 +0000
Re: Are there any conformant C compilers? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2022-09-16 06:52 -0700
Re: Are there any conformant C compilers? Kaz Kylheku <480-992-1380@kylheku.com> - 2022-09-15 00:14 +0000
Re: Are there any conformant C compilers? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2022-09-15 17:29 -0700
Re: Are there any conformant C compilers? Kaz Kylheku <480-992-1380@kylheku.com> - 2022-09-19 02:33 +0000
Re: Are there any conformant C compilers? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2022-09-11 21:07 -0700
Re: Are there any conformant C compilers? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2022-09-02 11:03 -0700
Re: Are there any conformant C compilers? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2022-09-02 20:47 +0100
Re: Are there any conformant C compilers? David Brown <david.brown@hesbynett.no> - 2022-09-02 15:52 +0200
Re: Are there any conformant C compilers? Bart <bc@freeuk.com> - 2022-09-02 16:01 +0100
Re: Are there any conformant C compilers? David Brown <david.brown@hesbynett.no> - 2022-09-02 19:22 +0200
Re: Are there any conformant C compilers? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2022-09-02 10:50 -0700
Re: Are there any conformant C compilers? Bart <bc@freeuk.com> - 2022-09-01 00:30 +0100
Re: Are there any conformant C compilers? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2022-08-31 21:35 +0100
Re: Are there any conformant C compilers? David Brown <david.brown@hesbynett.no> - 2022-09-01 10:14 +0200
Re: Are there any conformant C compilers? Thiago Adams <thiago.adams@gmail.com> - 2022-08-30 07:58 -0700
Re: Are there any conformant C compilers? David Brown <david.brown@hesbynett.no> - 2022-08-30 17:49 +0200
Re: Are there any conformant C compilers? Thiago Adams <thiago.adams@gmail.com> - 2022-08-30 09:02 -0700
Re: Are there any conformant C compilers? David Brown <david.brown@hesbynett.no> - 2022-08-30 18:36 +0200
Re: Are there any conformant C compilers? Thiago Adams <thiago.adams@gmail.com> - 2022-08-30 09:25 -0700
Re: Are there any conformant C compilers? Thiago Adams <thiago.adams@gmail.com> - 2022-08-30 05:31 -0700
Re: Are there any conformant C compilers? David Brown <david.brown@hesbynett.no> - 2022-08-30 17:08 +0200
Re: Are there any conformant C compilers? Thiago Adams <thiago.adams@gmail.com> - 2022-08-30 08:40 -0700
Re: Are there any conformant C compilers? Thiago Adams <thiago.adams@gmail.com> - 2022-08-30 08:50 -0700
Re: Are there any conformant C compilers? Opus <ifonly@youknew.org> - 2022-08-27 20:04 +0200
Re: Are there any conformant C compilers? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2022-08-25 17:03 +0100
Re: Are there any conformant C compilers? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2022-08-25 09:50 -0700
Re: Are there any conformant C compilers? bart c <bart4858@gmail.com> - 2022-08-25 12:04 -0700
Re: Are there any conformant C compilers? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2022-08-25 12:25 -0700
Re: Are there any conformant C compilers? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2022-08-25 08:23 -0700
Re: Are there any conformant C compilers? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2022-08-25 09:58 -0700
Re: Are there any conformant C compilers? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2022-08-26 07:51 -0700
Re: Are there any conformant C compilers? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2022-08-26 11:50 -0700
Re: Are there any conformant C compilers? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2022-08-26 19:45 -0700
Re: Are there any conformant C compilers? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2022-08-26 22:03 -0700
Re: Are there any conformant C compilers? Tim Rentsch <tr.17687@z991.linuxsc.com> - 2022-08-27 08:14 -0700
Re: Are there any conformant C compilers? Keith Thompson <Keith.S.Thompson+u@gmail.com> - 2022-08-27 11:23 -0700
Re: Are there any conformant C compilers? "Chris M. Thomasson" <chris.m.thomasson.1@gmail.com> - 2022-08-25 12:41 -0700
Re: Are there any conformant C compilers? Kaz Kylheku <480-992-1380@kylheku.com> - 2022-08-25 20:30 +0000
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