[libre-riscv-dev] [Bug 313] Create Branch Pipeline for POWER9

bugzilla-daemon at libre-soc.org bugzilla-daemon at libre-soc.org
Tue Jun 2 21:19:31 BST 2020


https://bugs.libre-soc.org/show_bug.cgi?id=313

--- Comment #46 from Michael Nolan <mtnolan2640 at gmail.com> ---
(In reply to Luke Kenneth Casson Leighton from comment #44)

> bear in mind that DecodeA reads CTR, (which goes into read_fast1)
> and DecodeB reads LR or TAR (which goes into read_fast2).
> 
> so the above test needs to be split.

So main_stage.py will need to check whether the instruction is a bcctr and use
spr1, otherwise use spr2?

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