http://c9x.me/compile/
Getting it to generate machine code is almost trivial.
Porting it to ARM is only reasonably complicated.
It is *very* fast.
I will refactor it a bit and work more on it starting
mid-september. Feel free to join the force.
On Sat, Jun 18, 2016 at 10:33:23AM +0100, Connor Lane Smith wrote:
> Hi all,
>
> I was wondering if others had an opinion on JIT. Suppose we don't need
> anything fancy like adaptive optimisation, but just wanted to compile
> a program at runtime. One possibility might be to generate C code and
> store that in a file and then call the C compiler and then execute the
> resulting binary... But that seems a bit unpleasant, prone to
> compilation failure, and not particularly lightweight either.
>
> One solution could be simply to produce assembly code, but then that
> is tied to a specific architecture, which is unfortunate. There's also
> LLVM, but that is a very big and complicated dependency, which
> shouldn't really be necessary if we're just jitting something quickly
> and don't mind it being a little unoptimised for the sake of
> simplicity and speed of compilation. We just want to portably generate
> machine code and then run it.
>
> An ideal might be something like an abstract instruction set together
> with a JIT for the abstract machine. To be honest a JIT might not even
> be necessary so long as it is has very little interpretation overhead,
> the instruction set is general purpose and fixed, and it plays well
> with the C memory model.
>
> Does anyone have any ideas?
>
> Thanks,
> cls
Received on Mon Jul 11 2016 - 18:32:08 CEST