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lkcl
<lkcl@web>
Wed, 6 Dec 2023 15:01:18 +0000
(15:01 +0000)
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IkiWiki
<ikiwiki.info>
Wed, 6 Dec 2023 15:01:18 +0000
(15:01 +0000)
openpower/sv/cookbook/pospopcnt.mdwn
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diff --git
a/openpower/sv/cookbook/pospopcnt.mdwn
b/openpower/sv/cookbook/pospopcnt.mdwn
index 8d6e2a117d49377d863b3efc5318bafb6274c3f0..5ec60cf9f515f5b1ef18dd4f1a8cc625739ac321 100644
(file)
--- a/
openpower/sv/cookbook/pospopcnt.mdwn
+++ b/
openpower/sv/cookbook/pospopcnt.mdwn
@@
-89,8
+89,9
@@
Fig.3 depicts how the data is divided into blocks of 8*8-bit.
alt="pospopcnt" width="70%" />
Fig.4 shows that a transpose is needed on each block.
-gbbd instruction is used for implementing the transpose
-function.
+The gbbd instruction is used for implementing the transpose
+function, preparing the data for using the standard popcount
+instruction.
<img src="/openpower/sv/cookbook/Transpose.drawio.svg"
alt="pospopcnt" width="60%" />