[Libre-soc-isa] [Bug 1056] questions and feedback (v2) on OPF RFC ls010

bugzilla-daemon at libre-soc.org bugzilla-daemon at libre-soc.org
Sun May 14 17:13:50 BST 2023


https://bugs.libre-soc.org/show_bug.cgi?id=1056

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

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--- Comment #2 from Luke Kenneth Casson Leighton <lkcl at lkcl.net> ---
a rather annoying quirk showed up: LD/ST-update when changed to EXTRA3
and used for a linked-list-walking test came across a problem where
the "normal" check "assert RA!=RT" must now be

    "assert RA||EXTRA3_bits != RT||EXTRA3_bits"

with the usual method being to write out a prefix as ".long XXXXX"
followed by its 32-bit Defined Word (suffix) it will be necessary
as a temporary workaround to use pysvp64dis and SVP64Asm to bypass this
check and perform its own.

this needs to have a corresponding spec update as well as binutils

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