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lkcl
<lkcl@web>
Tue, 13 Aug 2019 06:35:44 +0000
(07:35 +0100)
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IkiWiki
<ikiwiki.info>
Tue, 13 Aug 2019 06:35:44 +0000
(07:35 +0100)
simple_v_extension/specification/mv.x.rst
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diff --git
a/simple_v_extension/specification/mv.x.rst
b/simple_v_extension/specification/mv.x.rst
index 79cdb75e61f1e9ded38daaae25e7ca6df5bf9f12..f174f7b08cc35878513073130af28774a20b6efd 100644
(file)
--- a/
simple_v_extension/specification/mv.x.rst
+++ b/
simple_v_extension/specification/mv.x.rst
@@
-1,4
+1,5
@@
-= MV.X and MV.swizzle
+MV.X and MV.swizzle
+===================
swizzle needs a MV. see below for a potential way to use the funct7 to do a swizzle in rs2.
@@
-49,7
+50,8
@@
potential MV.X? register-version of MV-swizzle?
question: do we need a swizzle MV.X as well?
-= macro-op fusion
+macro-op fusion
+===============
there is the potential for macro-op fusion of mv-swizzle with the following instruction.
<http://lists.libre-riscv.org/pipermail/libre-riscv-dev/2019-August/002486.html>