[MIT-Scheme-users] Re: [MIT-Scheme-devel] MIT Scheme on the AMD x86-64

[Joe Marshall]

On Tue, Nov 3, 2009 at 3:15 PM, Taylor R Campbell <address@hidden> wrote:
>   Date: Tue, 3 Nov 2009 12:47:04 -0800
>   From: Joe Marshall <address@hidden>
>
>   It seems to lack all floating point:
>
>   1 ]=> (/ 3.0 1.2)
>
>   ;Hardware trap SIGILL
>   ;To continue, call RESTART with an option number:
>   ; (RESTART 1) => Return to read-eval-print level 1.
>
> Does that work with the C back end?

It works fine on the C back end.


> If not, it's a separate problem;
> if it does, then it may just be an artefact of the vestiges of x87
> code I left in x86-64.m4, which I plan to take out soon.  You could
> try adding `define(DISABLE_387,1)' to x86-64.m4 to test that
> hypothesis.

I'll give that a try.


>
> Also, what operating system is this on?

Some version of linux.


-- 
~jrm