****Re: ****Re: ****Re: ****What's up with 64 bit Linux

Dale Farnsworth dale at farnsworth.org
Mon Nov 26 18:52:57 MST 2007


> The biggest issue is that all your pointers are twice as big. The
> next issue is that while it was possible to never use int and always
> use something like int32 and define that to be int in a header file,
> I've only seen one place where everybody coded this way  consistently.
> So as a practical matter, the ints are going to double in size too.

Correct for pointers, but not for ints.

x86-64 C compilers still define ints to be 32 bits. longs change from
32 bits to 64 bits in the move from i386 to x68-64, but chars, shorts,
ints, and long longs are the same size on both.

-Dale


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