Event struct via registers

[Vitaliy Fadeev]

On Saturday, 10 August 2024 at 08:06:42 UTC, IchorDev wrote:
> On Saturday, 10 August 2024 at 07:46:46 UTC, Vitaliy Fadeev 
> wrote:
>> [...]
>
> This depends on the calling convention used by your compiler 
> and on your CPU architecture. 64 bits is already 2 data 
> registers on a 32-bit CPU. There are also many calling 
> conventions that allow multiple data registers to be used when 
> passing structs around.
>
> Do you really need to avoid them being passed on the stack 
> though?

Yes.

> Is your application highly performance critical?
Many input event + many internal ui events -> many calls * many 
objects.

Yes, I like the fast, responsive interface on old hardware (as 
B970 CPU).