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- Subject: Re: Starting a JIT backend for Ravi yet again
- From: Dibyendu Majumdar <mobile@...>
- Date: Wed, 13 Sep 2017 23:20:32 +0100
On 13 September 2017 at 23:06, Alexander Nasonov <firstname.lastname@example.org> wrote:
> Doug Currie wrote:
>> Have you considered SLJIT?
> C API is very verbose. To see what I mean, take a look at my bpfjit code .
I am interested in understanding some basic things about SLJIT.
a) Does it have a register allocator?
b) Does the api need the user to manage virtual registers or is it
automatic like in LLVM or NanoJIT? By this I mean in NanoJIT one can
write something like this (this is shown in the format used by its
two = immi 2
three = immi 3
res = addi two three
As you can see above the user does not have to maintain virtual
registers - you just operate on the result of instructions. This is
similar to LLVM's api, as well as libjit.