Re: Is DMD still not inlining "inline asm"?

2021-11-14 Thread Guillaume Piolat via Digitalmars-d-learn
On Friday, 12 November 2021 at 00:46:05 UTC, Elronnd wrote: On Thursday, 11 November 2021 at 13:22:15 UTC, Basile B. wrote: As for now, I know no compiler that can do that. GCC can do it. Somewhat notoriously, LTO can lead to bugs from underspecified asm constraints following cross-TU inlini

Re: Is DMD still not inlining "inline asm"?

2021-11-13 Thread Basile B. via Digitalmars-d-learn
On Friday, 12 November 2021 at 00:46:05 UTC, Elronnd wrote: On Thursday, 11 November 2021 at 13:22:15 UTC, Basile B. wrote: As for now, I know no compiler that can do that. GCC can do it. Somewhat notoriously, you meant "infamously" ? LTO can lead to bugs from underspecified asm constraint

Re: Is DMD still not inlining "inline asm"?

2021-11-12 Thread rempas via Digitalmars-d-learn
On Friday, 12 November 2021 at 15:10:19 UTC, max haughton wrote: Not always. The attribute is intended for naked asm since inlining could be completely wrong in this case. Got that! Thanks for the info!

Re: Is DMD still not inlining "inline asm"?

2021-11-12 Thread max haughton via Digitalmars-d-learn
On Friday, 12 November 2021 at 11:32:16 UTC, rempas wrote: On Thursday, 11 November 2021 at 19:22:33 UTC, max haughton wrote: There's an attribute to tell it the function is safe to inline. And can't you do that with inline asm? Not always. The attribute is intended for naked asm since inl

Re: Is DMD still not inlining "inline asm"?

2021-11-12 Thread rempas via Digitalmars-d-learn
On Friday, 12 November 2021 at 00:46:05 UTC, Elronnd wrote: GCC can do it. Somewhat notoriously, LTO can lead to bugs from underspecified asm constraints following cross-TU inlining. That's really interesting to hear! Do we have any cases where this happened to software that was used for pr

Re: Is DMD still not inlining "inline asm"?

2021-11-12 Thread rempas via Digitalmars-d-learn
On Thursday, 11 November 2021 at 19:22:33 UTC, max haughton wrote: There's an attribute to tell it the function is safe to inline. And can't you do that with inline asm?

Re: Is DMD still not inlining "inline asm"?

2021-11-11 Thread Elronnd via Digitalmars-d-learn
On Thursday, 11 November 2021 at 13:22:15 UTC, Basile B. wrote: As for now, I know no compiler that can do that. GCC can do it. Somewhat notoriously, LTO can lead to bugs from underspecified asm constraints following cross-TU inlining.

Re: Is DMD still not inlining "inline asm"?

2021-11-11 Thread max haughton via Digitalmars-d-learn
On Thursday, 11 November 2021 at 17:29:33 UTC, rempas wrote: On Thursday, 11 November 2021 at 13:22:15 UTC, Basile B. wrote: Yes, this is still the case. A particularity of DMD inliner is that it does its job in the front-end, so inlining asm is totally impossible. Then, even if inlining was

Re: Is DMD still not inlining "inline asm"?

2021-11-11 Thread rempas via Digitalmars-d-learn
On Thursday, 11 November 2021 at 13:22:15 UTC, Basile B. wrote: Yes, this is still the case. A particularity of DMD inliner is that it does its job in the front-end, so inlining asm is totally impossible. Then, even if inlining was done in the backend inlining of asm would not be guaranteed b

Re: Is DMD still not inlining "inline asm"?

2021-11-11 Thread rempas via Digitalmars-d-learn
On Thursday, 11 November 2021 at 12:05:14 UTC, Adam D Ruppe wrote: You really shouldn't expect dmd to inline *anything*. Or to optimize anything for that matter. That isn't its strength. Oh yeah! I just thought to ask anyway! Thanks a lot for your time!

Re: Is DMD still not inlining "inline asm"?

2021-11-11 Thread Basile B. via Digitalmars-d-learn
On Thursday, 11 November 2021 at 08:58:43 UTC, rempas wrote: I've seen from [this](https://forum.dlang.org/post/op.vrzngqeavxi10f@biotronic-laptop) reply in a thread from 2011 that DMD will not inline functions that contain inline assembly. Is this still the case? Yes, this is still the case. A

Re: Is DMD still not inlining "inline asm"?

2021-11-11 Thread Adam D Ruppe via Digitalmars-d-learn
On Thursday, 11 November 2021 at 08:58:43 UTC, rempas wrote: I've seen from [this](https://forum.dlang.org/post/op.vrzngqeavxi10f@biotronic-laptop) reply in a thread from 2011 that DMD will not inline functions that contain inline assembly. Is this still the case? You really shouldn't expect dm

Is DMD still not inlining "inline asm"?

2021-11-11 Thread rempas via Digitalmars-d-learn
I've seen from [this](https://forum.dlang.org/post/op.vrzngqeavxi10f@biotronic-laptop) reply in a thread from 2011 that DMD will not inline functions that contain inline assembly. Is this still the case?