dmd codegen improvements

[Iain Buclaw via Digitalmars-d]

On 29 Aug 2015 12:10 am, "Walter Bright via Digitalmars-d" <
digitalmars-d at puremagic.com> wrote:
>
> On 8/28/2015 9:49 AM, Dmitry Olshansky wrote:
>>
>> Have you ever written a backend? What is the evidance?
>>
>> Consider that x86 x64 bit support was done in about one year and a half
by
>> Walter single-handedly that is without freezing the other activity on
DMD, of
>> course. Aside from emitting different sequences of instructions most
IR-based
>> optimizations stay the same.
>
>
> Doing an ARM back end wouldn't be that hard. It's much less complex than
x86. Most of the work would be deleting about half of the x86 code
generator :-)
>

Don't forget you have about a 100_000_000 distinct ABIs, with about
100_000_000 distinct CPUs/Boards to target.

;-)
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