GCC viciously beaten by ICC in trig test!

[Stelios Xanthakis]

On Sun, 14 Mar 2004, Dan Nicolaescu wrote:

> Roger Sayle <roger@eyesopen.com> writes:
>   >         fsin
>   >         fmul    %st(0), %st
> 
> Intel 8.0 (that was used in the original test) generates something
> very different:
> 
>         mulsd     %xmm1, %xmm1                                  #10.25
>         mulsd     %xmm0, %xmm0                                  #10.15
>         addsd     %xmm1, %xmm0                                  #10.25
>         movsd     %xmm0, (%esp)                                 #10.25
>         fldl      (%esp)                                        #10.25
> 

Does --fpmath=sse fix this?
Can the processor in question do sse for doubles?

In my experience, "--fpmath=sse --fsingle-precision-constants"
generates much faster code for a raytracer I have here.