D perfomance

[IGotD-]

On Friday, 24 April 2020 at 19:27:40 UTC, Arine wrote:
>
> https://godbolt.org/z/g_euiT
>
> D:
>
>     int foo(ref int a, ref int b) {
>         a = 0;
>         b = 1;
>         return a;
>     }
>
> int example.foo(ref int, ref int):
>         movl    $0, (%rsi)
>         movl    $1, (%rdi)
>         movl    (%rsi), %eax
>         retq
>
> Rust:
>
>     pub fn foo(x: &mut i32, y: &mut i32) -> i32 {
>         *x = 0;
>         *y = 1;
>         *x
>     }
>
> example::foo:
>         mov     dword ptr [rdi], 0
>         mov     dword ptr [rsi], 1
>         xor     eax, eax
>         ret
>
>

Would DIP 1000 enable such optimization possibility in D?