pi benchmark on ldc and dmd

[Trass3r]

Am 02.08.2011, 22:38 Uhr, schrieb Walter Bright  
<newshound2 at digitalmars.com>:

>
> L2E:            inc     R11
>                  lea     R9D,[00h][RSI*2]
>                  mov     R9,R9
...
>                  mov     R9,RAX
>                  mov     R9,R9
...
>                  mov     R12,RDX
>                  mov     R12,R12
...
>                  lea     R14,[R14*4][R14]
>                  add     R14,R14
>                  add     R14,R9
>                  mov     R14,R14
...

Any reason for all those mov x,x 's?