[Libre-soc-isa] [Bug 1023] crternlut/crbinlut analysis needed of CR regfile usage

[bugzilla-daemon at libre-soc.org]

https://bugs.libre-soc.org/show_bug.cgi?id=1023

--- Comment #9 from Luke Kenneth Casson Leighton <lkcl at lkcl.net> ---
commit 8e5326caf15e238494a20cb0937b0c41c0ea9d20 (HEAD -> master, origin/master,
origin/HEAD)
Author: Luke Kenneth Casson Leighton <lkcl at lkcl.net>
Date:   Wed Mar 15 15:00:29 2023 +0000

    rewrite crternlogi and crbinlog to match new format, required to
    reduce both instructions to 3-read 1-write.
    https://bugs.libre-soc.org/show_bug.cgi?id=1023#c2

https://git.libre-soc.org/?p=libreriscv.git;a=commitdiff;h=8e5326caf15e238494a20cb0937b0c41c0ea9d20

--

commit aa9020ffed1996c7ab3526a5cfcf906ed61eeb04 (HEAD -> master)
Author: Luke Kenneth Casson Leighton <lkcl at lkcl.net>
Date:   Wed Mar 15 15:09:35 2023 +0000

    add CRB-Form fields for crternlogi and crbinlog, they are both now
    reduced to 3-in 1-out, both needing to become overwrites due to the
    mask field (msk) making BF a Read-Modify-Write
    https://bugs.libre-soc.org/show_bug.cgi?id=1023#c4

https://git.libre-soc.org/?p=openpower-isa.git;a=commitdiff;h=aa9020ffed1996c7ab3526a5cfcf906ed61eeb04

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