Can D get on XBone and PS4?
Joakim via Digitalmars-d
digitalmars-d at puremagic.com
Sun Jan 18 01:56:05 PST 2015
On Sunday, 18 January 2015 at 08:06:06 UTC, Manu via
Digitalmars-d wrote:
> At Remedy, we ran D code on xbone with no opposition from MS.
> For xbone, we wanted to maintain compatibility with the rest of
> our
> MSVC code, which meant we needed to produce COFF output that
> the MSVC
> linker accepts. Walter implemented DMD-Win64 with these
> requirements
> in mind.
> PS4 should be easier using LDC, but I don't know if Sony would
> take
> issue with this. I expect them to take less issue than MS, so
> I'd give
> good odd's that they'd be fine with it.
>
> Short answer, D works on modern consoles just fine, and there
> were no
> political blocks for us. GC is a demonstrated problem; avoid
> it. DMD's
> codegen is also a problem; it uses x87 to perform operations,
> despite
> the fact the x64 ABI uses SSE regs for float passing. That
> results in
> a lot of register switching, and poor float performance as a
> result.
> As an (awkward) workaround, you can use explicit SSE intrinsics
> to
> keep working in XMM, but I haven't tested the optimiser's
> quality in
> that case, and the std library obviously doesn't do that.
Thanks for the detailed answer. Sounds like the only thing
holding D back is someone putting in the effort to integrate it
with the console runtime and APIs. It's not going to be me, as I
haven't owned a console or even played a console game in a
decade. Yes, I know I'm an old fogey. :)
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