[libre-riscv-dev] [Bug 313] Create Branch Pipeline for POWER9
bugzilla-daemon at libre-soc.org
bugzilla-daemon at libre-soc.org
Fri May 15 20:17:50 BST 2020
https://bugs.libre-soc.org/show_bug.cgi?id=313
--- Comment #6 from Michael Nolan <mtnolan2640 at gmail.com> ---
(In reply to Luke Kenneth Casson Leighton from comment #5)
> oink. you *removed* NIA :) well... we will probably need CompBROpSubset
> anyway.
Yep, since nothing but the branch unit used it
> hum hum, don't know. oh. right. NIA is *next* instruction address, not an
> input.
> ok so i think we need something called "cia" - current instruction address -
> in
> CompBROpSubset.
I added CIA to the branch unit's input data because it wasn't one of the things
output by the decoder (well NIA is, but it's defaulted to 0), and I needed to
set it from the testbench.
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