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lkcl
<lkcl@web>
Wed, 29 Jun 2022 10:47:49 +0000
(11:47 +0100)
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IkiWiki
<ikiwiki.info>
Wed, 29 Jun 2022 10:47:49 +0000
(11:47 +0100)
openpower/sv/overview.mdwn
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The fundamentals are (just like x86 "REP"):
* Once the loop is completed *only then* is the Program Counter
allowed to move to the next instruction.
+[[!img "svp64-primer/img/power_pipelines.svg" ]]
+
Hardware (and simulator) implementors are free and clear to implement this
as literally a for-loop, sitting in between instruction decode and issue.
Higher performance systems may deploy SIMD backends, multi-issue and