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lkcl
<lkcl@web>
Wed, 20 Apr 2022 19:30:28 +0000
(20:30 +0100)
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IkiWiki
<ikiwiki.info>
Wed, 20 Apr 2022 19:30:28 +0000
(20:30 +0100)
openpower/sv/biginteger.mdwn
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diff --git
a/openpower/sv/biginteger.mdwn
b/openpower/sv/biginteger.mdwn
index 3799f22d866645e9c6e9378a5449313cb3776ee9..a26477dc7ea75ff9dd050f5397366db3f985d174 100644
(file)
--- a/
openpower/sv/biginteger.mdwn
+++ b/
openpower/sv/biginteger.mdwn
@@
-202,6
+202,8
@@
When `EXTRA2_MODE` is set to one, the implicit RS register is identical
to RC extended to SVP64 numbering, including whether RC is set Scalar or
Vector.
+## msubed
+
The pseudocode for `msubed RT, RA, RB, RC`` is:
prod[0:127] = (RA) * (RB)
@@
-213,6
+215,8
@@
Note that RC is not sign-extended to 64-bit. In a Vector Loop
it contains the top half of the previous multiply-with-subtract,
and the current product must be subtracted from it.
+## madded
+
The pseudocode for `madded RT, RA, RB, RC` is:
prod[0:127] = (RA) * (RB)