Problems building on ARM

[Marisa the Magician]

Building 3.7.2 on the Raspberry Pi 3 gives me this. The include that triggers this is in "src/hwrenderer/scene/hw_bsp.cpp:43:10". Seems like there's some small SSE code used in that file. Dunno how hard it'd be to find an alternative way to do it.

Update: There's more to this problem. Commenting that code out ends in another issue, the asmjit-using code still gets compiled (which spews out dozens of "undefined reference" errors on linking because there's no asmjit).

[Graf Zahl]

That line can be removed, the code that needed it was deleted long ago because it provided no advantage.

[_mental_]

A bunch of _mm_pause() intrinsics is still in this file.

[Graf Zahl]

Ah, ok. I forgot those.
Yes, that code probably needs to be #ifdef'd.
I'm also not sure if the multtithreaded stuff works on ARM.

[Marisa the Magician]

On arm it could be simply replaced by a bunch of "yield" instructions on inline asm (at least I think that's what the equivalent to pause is).

[Graf Zahl]

No, that's not the same. The pause instruction tells the CPU that it can give the core to the second thread in a hyperthreading configuration.
I intentionally did not suspend the thread because it'd be far too costly.

Better do nothing instead.

[_mental_]

Should be fixed in 8892cb6.