(no commit message)

diff --git a/openpower/sv/svp64.mdwn b/openpower/sv/svp64.mdwn
index 7f08c1b9a949e8c81ba72e2376b87dc6747188a1..dec1ff76396cb6f2bf8f9e09c2df0c408cb1a7e3 100644 (file)
--- a/openpower/sv/svp64.mdwn
+++ b/openpower/sv/svp64.mdwn
@@ -588,10 +588,14 @@ If EXTRA2 is zero will map to
 | 10       | Vector | `r0-r124`/4 | `RA 0b00`      |
 | 11       | Vector | `r2-r126`/4 | `RA 0b10`   |
 
+Note that unlike in EXTRA3, in EXTRA2 the GPR Vectors may only start from
+`r0, r2, r4, r6, r8` and likewise FPR Vectors as there is insufficient
+bits to cover the full range.
+
 ## CR Field EXTRA3
 
 CR Field encoding is essentially the same but made more complex due to CRs being bit-based.  See [[svp64/appendix]] for explanation and pseudocode.
-Note that Vectors may only start from CR0, CR4, CR8, CR12, CR16...
+Note that Vectors may only start from `CR0, CR4, CR8, CR12, CR16`...
 
 Encoding shown MSB down to LSB