DIP62: Volatile type qualifier for unoptimizable variables in embedded programming

[Iain Buclaw via Digitalmars-d]

On 15 July 2014 22:57, Walter Bright via Digitalmars-d
<digitalmars-d at puremagic.com> wrote:
> On 7/15/2014 2:17 PM, Johannes Pfau wrote:
>>
>> Well as long as those priorities are clearly communicated. If you tell
>> me 'we don't care about embedded programming' then I'll shut up and move
>> back to C.
>
>
> Rest assured we definitely do care about embedded systems programming.
>
>
>
>> But 'D is a systems programming language for low level tasks' and 'we
>> don't want to introduce a type qualifier for low level programming, but
>> @nogc is just fine' don't go together. This leaves all contributors and
>> devs hoping to see D on embedded systems in uncertainty.
>
>
> It isn't about whether we want to introduce a type qualifier for low level
> programming or not. It is about what is the best solution for MMIO for low
> level programming.
>
> Note that D already supports inp() and outp() as compiler intrinsics, adding
> peek() and poke() will complement them nicely:
>
>   http://dlang.org/phobos/core_bitop.html#.inp

s/D/DMD/

GDC doesn't support it as compiler intrinsics.  Also, isn't inp/outp
all x86-specific?

I've never come across a similar thing in other architectures (at
least, of the same name)