Chris Lattner wrote:

Also, because of GCC's internal representation of integers, you have to be careful that you have enough bits; for example, you need 72 bits to represent things in a 64-bit address space.

Actually, just 67, right? Does GCC support structures whose size is greater than 2^61 ?

I'm not sure -- but if it doesn't, it should. There are folks who like to make structures corresponding to the entire address space, and then poke at particular bytes by using fields.

--
Mark Mitchell
CodeSourcery
[EMAIL PROTECTED]
(650) 331-3385 x713

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