Cool! Many thanks for that. I may just translate those sequences to MASM and use them directly until I work if using SSE* will improve performance.

Shame about the div/mod cos those are the ones I've had trouble getting right. But I should be able to look them up in the gcc library sources?

Examine what is said, not who speaks -- Silence betokens consent -- Love the truth but pardon error.
"Science is about questioning the status quo. Questioning authority".
In the absence of evidence, opinion is indistinguishable from prejudice.

In reply to Re^9: Module for 128-bit integer math? by BrowserUk
in thread Module for 128-bit integer math? by BrowserUk

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