[Libre-soc-bugs] [Bug 809] modify svp64 to re-enable using OV as a second carry flag for sv.addex

[bugzilla-daemon at libre-soc.org]

https://bugs.libre-soc.org/show_bug.cgi?id=809

Luke Kenneth Casson Leighton <lkcl at lkcl.net> changed:

           What    |Removed                     |Added
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                 CC|                            |lkcl at lkcl.net

--- Comment #2 from Luke Kenneth Casson Leighton <lkcl at lkcl.net> ---
this was when i was looking at Intel's mulx instruction app note from 2012.
the alternative idea i had was to create an "add-using-cr-fields" instruction
which would create overflow in a CR field but also use CRfs as carry-in and
carry-out.  TBdiscussed

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