Difference between an 8-bit number in little-endian and an 8-bit number in big-endian

Question

What is the difference between an 8-bit number in little-endian and an 8-bit number in big-endian on Intel 64 systems?

Endianness is how multi-byte types are stored. A single byte can not have an endianness. — Some programmer dude
– Some programmer dude, Commented Sep 25, 2018 at 12:49

Henry · Accepted Answer · 2018-09-25 13:02:03Z

5

There is no difference. A sequence of only one byte looks the same when read from left to right or right to left.

answered Sep 25, 2018 at 13:02

Henry

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seinol Over a year ago

Thanks for the answer. On the story behind this question: A professor at my university asked me what would happen if I posted this trick question in Stackoverflow. The result is accordingly very good and totally correct.

Joop Eggen · Accepted Answer · 2018-09-25 13:07:44Z

I would like to mention that loading a single byte into a larger register, might apply the endianess to the register:

With little endianess the byte would maintain its numeric value. With big endianess in a 4 byte register it would be shifted << 24.

Though I know of no such instruction, being not familiar with intel.

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