!!!Please add intrinsics module for DMD DRuntime!!!
Ilya Yaroshenko via Digitalmars-d
digitalmars-d at puremagic.com
Tue Nov 22 11:43:14 PST 2016
On Tuesday, 22 November 2016 at 19:29:30 UTC, tsbockman wrote:
> On Tuesday, 22 November 2016 at 19:27:11 UTC, Ilya Yaroshenko
> wrote:
>> On Tuesday, 22 November 2016 at 18:57:59 UTC, tsbockman wrote:
>>> Your test fails because you aren't actually using
>>> `core.bitop`. Intrinsics are detected based on fully
>>> qualified names. As soon as you copy `bsf()` and `bsr()`
>>> outside of `core.bitop`, the FQN changes and they're not
>>> intrinsics anymore.
>>
>> Does DMD overrides bodies for bsf and bsr? It would be
>> surprised to me.
>
> That's how (almost) ALL of the intrinsics in `core.bitop` and
> `core.math` are supposed to work. If it's not overriding the
> bodies, that's a bug.
DMD can recognise code patterns and replace them with hardware
functions. I never seen that it can replace bodies. Why do you
think it can? Have you disassembler DMD the code with your PR?
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