Re: [xmlvm-users] Long Type & Errors

[Arno P. <ar...@pu...>]

On 11/22/10 7:11 PM, Troy Gaines wrote:
> Can someone tell me why I get this in the cross compiled code (Java ->
> Objective C)?
>
> ERROR("dex:add-long");

It means that there is currently no support for this instruction. I just 
added it because it was simple to fix.

> I also noticed when cross compiling some code with longs, I get overflow
> warnings in xCode.
>
> For example, I cross compile this statement in Java to Objective C:
>
> long l = 6221821273427820544;
>
> to
>
> _r13.l = 6221821273427820544;  //xCode complains about this line
>
>
> Instead of using the "long" data type in Objective C, has "long long"
> been considered.  This seems like it might fix the above issue.

Wow! Now that is interesting. You are right: under iOS sizeof(long) == 4 
whereas sizeof(long long) == 8. I am surprised that no one ran into this 
problem before.

Anyways, I fixed both problems in the repository. Thanks for reporting this!

Arno