Re: [GXemul-devel] error running ultrix 4.5

[Anders G. <ga...@gm...>]

Tor 2011-04-07 klockan 20:25 +0200 skrev Fausto Saporito:
> Hello all,
> 
> during a "make check" compiling gmp 5.0.1 I got this error:
> 
> 
> mpn_get_d wrong on overflow
>   n=1
>   exp   1024
>   sign  0
>   got   =[00 00 00 00 00 00 F0 7F] Infinity
>   want  =[FF FF FF FF FF FF EF 7F] 1.7976931348623157e+308
> UNIMPLEMENTED cop0 (func 0x00)
> to_be_translated(): TODO: unimplemented instruction:
> 0042f720: 42000000      cop0    0x02000000 (unimplemented)
> 
> and gxemul crashed.
> 
> I'm using 0.6.0, is it normal ?

Well, it is a bug :-| that much is obvious. It is hard to know exactly
what instruction went wrong though. Rounding modes and exceptions are
not really implemented, if I remember correctly.

It would be interesting to know exactly which instructions that
'mpn_get_d' tried to run.


Anders