[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.

-- 
You are receiving this mail because:
You are on the CC list for the bug.


More information about the libre-riscv-dev mailing list