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lkcl
<lkcl@web>
Wed, 26 Apr 2023 16:23:57 +0000
(17:23 +0100)
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IkiWiki
<ikiwiki.info>
Wed, 26 Apr 2023 16:23:57 +0000
(17:23 +0100)
openpower/sv/vector_ops/discussion.mdwn
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diff --git
a/openpower/sv/vector_ops/discussion.mdwn
b/openpower/sv/vector_ops/discussion.mdwn
index 20dd6687737a9630a9fb8e4511de53040ce349a3..e09283373c046478c3b960afddcc167413958d9c 100644
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--- a/
openpower/sv/vector_ops/discussion.mdwn
+++ b/
openpower/sv/vector_ops/discussion.mdwn
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-212,6
+212,13
@@
mask-out effect of resetting the count back to zero.
However close examination shows that the above may actually
be `sv.addi/mr/sm=EQ/sz *r1, *r0, 1` TODO check this
+this looks promising:
+
+ sv.add *v4+1, *v4, *v2
+
+where v2 is guaranteed to contain 0 or 1, the dependency chain
+accumulates v2 via the overlap between src1 and dest vectors.
+
# cprop
* <https://www.geeksforgeeks.org/carry-look-ahead-adder/>