>>According to Calvin, all existing code would break. There would be no backwards compability.
>
>Aren't you just saying that we would have to recompile our source code for the 64-bit VFP runtime? Otherwise, you are saying that the language itself is changing 100%.
>
>Your statement would lead me to believe that the following line of code:
>
>x = 5
>
>would not be valid any more.

Of course that line would work. As for just a recompile, I don't know. I can just tell you what Calvin said.