[fpc-devel] Pascal Standard, and what we can do.
Michael Van Canneyt
michael at freepascal.org
Thu Jul 23 10:59:29 CEST 2015
On Thu, 23 Jul 2015, Edmund Grimley Evans wrote:
> Just a couple of reactions:
>> Declare before use has at least one technical advantage: it allows to
>> make much faster compliers. Declare before use allows to compile in
>> one pass, while compilers for languages like C need at least 2 passes.
> Not really. TCC does a single pass with no intermediate
> representation. It leaves a gap in the procedure prologue for the code
> that moves the stack pointer and fills it in when it gets to the end
> of the function and knows how much space is required for the local
> variables and temporaries.
>> There have been NO fundamental changes in IT in the last 20 years
>> (probably longer).
> One could argue that multi-core and concern about security are fairly
> fundamental changes.
No. It is just more of the same.
I think that, currently, Quantum computing has the potential of introducing a real change.
The advent of SSD may have some effect in that in theory you don't need file operations any more, since everyting is in essence RAM.
But that's it.
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