On Wed, 05 Jun 2024 08:58:46 -0700
Tim Rentsch <[email protected]> wrote:

Michael S <[email protected]> writes:

I couldn't get the AES-based hash function to compile. There
was a complaint about not being able to inline an 'always-inline'
function. I played around with it for a while but didn't get
anywhere.

Not that using my reference hash is particularly important (I needed it
as a quick way to get something I could rely on; you already have
something else with similar properties) but it's still worth
investigation.

There are two possibilities:
1. gcc compiler's -march=native logic incorrectly detects CPU type on
your computer.
2. you CPU really does not support AES instructions.

If the former, you can force compiler's hand with -maes flag.
If the later, then you can compile it, but wouldn't be able to run my "reference" hash function on this particular computer

What CPU are you using?

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Michael S <[email protected]> writes:

On Wed, 05 Jun 2024 08:58:46 -0700
Tim Rentsch <[email protected]> wrote:

Michael S <[email protected]> writes:


I couldn't get the AES-based hash function to compile. There
was a complaint about not being able to inline an 'always-inline'
function. I played around with it for a while but didn't get
anywhere.

Not that using my reference hash is particularly important (I needed it
as a quick way to get something I could rely on; you already have
something else with similar properties) but it's still worth
investigation.

There are two possibilities:
1. gcc compiler's -march=native logic incorrectly detects CPU type on
your computer.
2. you CPU really does not support AES instructions.

If the former, you can force compiler's hand with -maes flag.
If the later, then you can compile it, but wouldn't be able to run my "reference" hash function on this particular computer

I finally got it to work. I tried -maes before, and it still
failed, but maybe I was using some other option that messed
things up. In any case it works now, and the AES hash gives
great results AFAICT.

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