(no commit message)

diff --git a/openpower/sv/rfc/ls010.mdwn b/openpower/sv/rfc/ls010.mdwn
index 0d54ff69ff8da7b554dd3c9a6164572357af4a78..6d6ab6e37d34a3890d9c30580ea5e1583498c866 100644 (file)
--- a/openpower/sv/rfc/ls010.mdwn
+++ b/openpower/sv/rfc/ls010.mdwn
@@ -108,9 +108,10 @@ because there is only one `MSR`.
 
 ## Register files, elements, and Element-width Overrides
 
-In the Upper Compliancy Levels the size of the GPR and FPR Register
+In the Upper Compliancy Levels of SVP64 the size of the GPR and FPR Register
 files are expanded from 32 to 128 entries, and the number of CR Fields
-expanded from CR0-CR7 to CR0-CR127.
+expanded from CR0-CR7 to CR0-CR127. (Note: A future version of SVP64 is anticipated
+to extend the VSR register file).
 
 Memory access remains exactly the same: the effects of `MSR.LE` remain
 exactly the same, affecting as they already do and remain **only**
@@ -118,11 +119,19 @@ on the Load and Store memory-register operation byte-order, and having
 nothing to do with the ordering of the contents of register files or
 register-register operations.
 
+To be absolutely clear:
+
+**No conceptual arithmetic ordering or other changes over the Scalar Power ISA
+definitions to registers or register files
+or to arithmetic or Logical Operations beyond element-width subdivision and
+sequential element numbering are expressed or implied**
+
 Whilst the bits within the GPRs and FPRs are expected to be MSB0-ordered
 and for numbering to be sequentially incremental the element offset
 numbering is naturally **LSB0-sequentially-incrementing from zero not
 MSB0-incrementing.**  Expressed exclusively in MSB0-numbering, SVP64 is
-unnecessarily complex to understand: the required subtractions from 63,
+becomes unnecessarily complex to both express and subsequently understand:
+the required subtractions from 63,
 31, 15 and 7 unfortunately become a hostile minefield.  Therefore for the
 purposes of this section the more natural **LSB0 numbering is assumed**
 and it is up to the reader to translate to MSB0 numbering.