is there any word processing software for the pdp11?
Guy Sotomayor
ggs at shiresoft.com
Thu Dec 4 17:44:06 CST 2014
> On Dec 4, 2014, at 3:38 PM, Peter Corlett <abuse at cabal.org.uk> wrote:
>
> On Thu, Dec 04, 2014 at 02:21:50PM -0800, Guy Sotomayor wrote:
>> On Dec 4, 2014, at 1:50 PM, Peter Corlett <abuse at cabal.org.uk> wrote:
> [...]
>>> So on systems where sizeof(int) <= sizeof(int32_t) -- which is everything
>>> that matters
>> Really? Where have you been? OS X the default has been to compile for
>> 64-bits in which case sizeof(int) == sizeof(int64_t) since Leopard (10.5) in
>> 2009. The kernel went default 64-bits in Snow Leopard (10.6) in 2010. OS X
>> on x86 has always supported mixed 32/64 bit applications (as long as the CPU
>> did) regardless of what the kernel was (a 32-bit kernel could run 64-bit
>> applications).
>
> Sorry, but you're wrong:
>
>
[snip]
> The width of a *pointer* matches the architecture, 32 bits for i386 and 64 for
> x86_64, but the width of an *int* remains 32 bits for compatibility and
> performance reasons. The 64 bit integer type is called "long long" on both
> architectures. Obviously, one should use the typedefs in <inttypes.h> if a
> specific width integer is required, even if only to document intent.
>
> Have a look at the SysV ABI at http://www.x86-64.org/documentation.html for far
> too much gory detail and prime pedant material.
>
Yep. You're right. I was reading it wrong for some reason. ;-)
I almost never code int in my code anyway. I always use the sized version
(and I almost *never* use the signed version...always the unsigned).
TTFN - Guy
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