On Monday, 3 July 2017 at 23:16:07 UTC, solidstate1991 wrote:
While I currently don't have an ARM based hardware that would be easy to develop on, I'm planning to use QEMU to emulate some form of ARMv6 CPU, as it'll be the main target, as it's still being used in devices like the Raspberry Pi. ARMv5 is being considered if it doesn't need a lot of work, although I don't see a lot of reason behind doing it besides of the possibility of enabling the development of homebrew GBA, NDS, GP32, etc stuff.

As I became unemployed recently, I have a lot more time for development, so time now isn't an issue. Or at least until I find a job, which is hard due to my state as a college student, which I'm on the verge of losing it.

I would accept your input on various things, like if I should do some adjustments to the in-line assembly stuff, whether I should care about thumb (reduced size instruction set, not available on some newer targets) or not, etc. Got my hands on some official reference manual, it wouldn't hurt if I could research other ones too.

Far be it from be to discourage such efforts.
But you should be aware that writing a backend for dmd from scratch is not an easy task. It will take time alot of time. Even if you have previous experience with codegen.

And it is unlikely to yield satisfactory results.
Most arm implementation are not as forgiving as contemporary x86 processors when it comes to bad register scheduling and the like.

What exactly is your motivation for doing this ?

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