[Libre-soc-isa] [Bug 1183] add /mrr mode (reverse mode) to Data-Dependent Fail-First CR_ops

bugzilla-daemon at libre-soc.org bugzilla-daemon at libre-soc.org
Thu Oct 12 21:54:43 BST 2023


https://bugs.libre-soc.org/show_bug.cgi?id=1183

--- Comment #11 from Jacob Lifshay <programmerjake at gmail.com> ---
(In reply to Luke Kenneth Casson Leighton from comment #8)
> it is not how SNZ works with
> DDFF. please read the spec pseudocode and if nothing
> else ISACaller.

I am unable to locate pseudo-code on the wiki for cr-based dd-ff, I tried
searching for data-dependent and searching ls010 (iirc includes all relevant
spec pages) for SNZ, the only pseudocode i saw was for branches. This needs to
be corrected. I'll report a bug. I'll look at ISACaller next.

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