Re: The type of bitops

From: H. Peter Anvin
Date: Tue May 07 2013 - 19:19:12 EST


On 05/07/2013 04:17 PM, Andy Lutomirski wrote:
>
> The one and only time I tried to use this, I thought this was odd. Long
> has a different size on 32 vs 64 bit architectures, and bit ops seem
> like they'd want to be the same size everywhere so you can allocate the
> appropriate number of bits. (Also, if you only want 32 bits, you have
> to do some evil cheating, and I don't trust casting int* to long* on
> big-endian architectures.)
>
> Would offering a u32* option make sense?
>

Honestly, the only thing that makes sense on bigendian architectures is
either byte-by-byte elements or counting bit numbers from the MSB, but
that is serious water under the bridge at this point...

-hpa


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