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observation motivation on ls002, even FPR=0 needs FLD
author
Luke Kenneth Casson Leighton
<lkcl@lkcl.net>
Tue, 4 Oct 2022 11:29:04 +0000
(12:29 +0100)
committer
Luke Kenneth Casson Leighton
<lkcl@lkcl.net>
Tue, 4 Oct 2022 11:29:07 +0000
(12:29 +0100)
openpower/sv/rfc/ls002.mdwn
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diff --git
a/openpower/sv/rfc/ls002.mdwn
b/openpower/sv/rfc/ls002.mdwn
index 2971f9dbec7cef15cdbf4e746d03815921198d57..096da9a3a5d3dfd481df99156851f75740278922 100644
(file)
--- a/
openpower/sv/rfc/ls002.mdwn
+++ b/
openpower/sv/rfc/ls002.mdwn
@@
-57,7
+57,7
@@
Similar to `lxvkq` but extended to a full BF16 with one
32-bit instruction and a full FP32 in two 32-bit instructions
these instructions always save a Data Load and associated L1
-and TLB lookup.
+and TLB lookup.
Even clearing an FPR to zero presently requires Load.
**Notes and Observations**: