[Libre-soc-bugs] [Bug 352] virtual (dependency-tracked) regfile (cache) needed

bugzilla-daemon at libre-soc.org bugzilla-daemon at libre-soc.org
Wed Oct 28 12:57:20 GMT 2020


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

           What    |Removed                     |Added
                 CC|                            |programmerjake at gmail.com
    NLnet milestone|---                         |NLnet.2019.02
            Summary|virtual                     |virtual
                   |(dependency-tracked)        |(dependency-tracked)
                   |regfile needed              |regfile (cache) needed

--- Comment #1 from Luke Kenneth Casson Leighton <lkcl at lkcl.net> ---

further discussion leading back, where we may need to introduce
register-renaming into the register cache.

the original scheme (comment #1) is the "green" matrix here:

that green table has "real" registers as columns and "virtual" registers as

however if we are to introduce register-renaming the tables become more complex
and would need to be thought through.  perhaps an actual L1 cache?  don't know.
 needs thought.

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