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SubjectRe: Use of C99 int types
Andreas Schwab wrote:

>Dag Arne Osvik <da@osvik.no> writes:
>
>
>
>>Yes, but wouldn't it be much better to avoid code like the following,
>>which may also be wrong (in terms of speed)?
>>
>>#ifdef CONFIG_64BIT // or maybe CONFIG_X86_64?
>> #define fast_u32 u64
>>#else
>> #define fast_u32 u32
>>#endif
>>
>>
>
>How about using just unsigned long instead?
>
>

unsigned long happens to coincide with uint_fast32_t for x86 and x86-64,
but there's no guarantee that it will on other architectures. And, at
least in theory, long may even provide less than 32 bits.

--
Dag Arne

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