[Libre-soc-isa] [Bug 1047] SVP64 LD/ST Data-Dependent Fail-First providing linked-list walking

bugzilla-daemon at libre-soc.org bugzilla-daemon at libre-soc.org
Sat May 20 11:39:39 BST 2023


--- Comment #8 from Luke Kenneth Casson Leighton <lkcl at lkcl.net> ---

 448         elif 'st' in insn_name and 'x' in insn_name:  # stwux
 449             res['Etype'] = 'EXTRA3'  # RM EXTRA2 type
 450             # RS: Rdest2_EXTRA2, RA: Rsrc1_EXTRA2 / Rdest
 451             res['0'] = "%s;s:RA;d:RA" % (sRS)
 452             res['1'] = 's:RB'  # RB: Rsrc2_EXTRA2


that is a bug, it actually *should* be EXTRA3 but where 2 of the bits
for RB and RS are taken from RM[6:7]

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