Re: [boost] Ann: Floating Point Utilities Review starts today

From: Sebastian Redl (sebastian.redl_at_[hidden])
Date: 2008-02-26 10:59:50

Giovanni Piero Deretta wrote:
>    _Z9get_bits3f:
>         movss   %xmm0, -4(%rsp)
>         movl    -4(%rsp), %eax
>         ret
>
> Which should be optimal (IIRC you can't move from an xmms register to
> an integer register without passing through memory).
>   
SSE2:
movd %xmm0, %eax

Sebastian Redl