[Libre-soc-bugs] [Bug 509] divwe. causing assertion failure in handle_comparison

bugzilla-daemon at libre-soc.org bugzilla-daemon at libre-soc.org
Sun Oct 4 15:33:35 BST 2020


Luke Kenneth Casson Leighton <lkcl at lkcl.net> changed:

           What    |Removed                     |Added
           Assignee|lkcl at lkcl.net               |programmerjake at gmail.com

--- Comment #3 from Luke Kenneth Casson Leighton <lkcl at lkcl.net> ---
jacob can you take care of this one, so i can concentrate on the layout?

overflow is detected and added to the list of write_regs here:


however in the op_divwe_ pseudocode, "overflow" as a reg occurs *before*
RT appears.

this is "solved" - post-parsing- by re-ordering write_regs either in parser.py,
or pywriter.py or even in create_args() back in pseudo/isa/caller.py

whatever "bad hack" gets things going is what's needed.

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