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lkcl
<lkcl@web>
Thu, 13 Apr 2023 21:48:01 +0000
(22:48 +0100)
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IkiWiki
<ikiwiki.info>
Thu, 13 Apr 2023 21:48:01 +0000
(22:48 +0100)
openpower/sv/rfc/ls004.mdwn
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diff --git
a/openpower/sv/rfc/ls004.mdwn
b/openpower/sv/rfc/ls004.mdwn
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openpower/sv/rfc/ls004.mdwn
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openpower/sv/rfc/ls004.mdwn
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-81,6
+81,7
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add shift-and-add. Replaces a pair of explicit instructions in hot-loops.
5. `shaddw` is often more useful than `shadduw` because C/C++ programmers like
to use `int` for array indexing. for additional details see
<https://bugs.libre-soc.org/show_bug.cgi?id=996>.
+6. Even Motorola 68000 has LD/ST-Indexed-Shifted <https://tack.sourceforge.net/olddocs/m68020.html#2.2.2.%20Extra%20MC68020%20addressing%20modes>
**Changes**