> I believe POWER also has selectable TSO Mode It does not. | Hacker News

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monocasa on March 26, 2021 | parent | context | favorite | on: Speculating the entire x86-64 instruction set in s...

> I believe POWER also has selectable TSO Mode

It does not.

gpderetta on March 28, 2021 [–]

I believe it is called "Strong Access Ordering Mode" and it is defined in the ISA, but I can't find any good reference online.

edit: this patent from 2012 from IBM references SAO:

https://patents.google.com/patent/WO2012101538A1/en

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