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diff --git a/openpower/sv/svp_rewrite/svp64.mdwn b/openpower/sv/svp_rewrite/svp64.mdwn
index 54a7644846be65c317ad397d33e29ef00389c1e7..ebe7076e6d9927f746b20fd6313ae1a121e9e5e0 100644 (file)
--- a/openpower/sv/svp_rewrite/svp64.mdwn
+++ b/openpower/sv/svp_rewrite/svp64.mdwn
@@ -102,7 +102,7 @@ Note that by taking up a block of 16, where in every case bits 6 and 9 are set,
 
 ## Prefix Fields
 
-To "activate" svp64, fields within the v3.1B Prefix Opcode Map are set
+To "activate" svp64 (in a way that does not conflict with v3.1B 64 bit Pregix mode), fields within the v3.1B Prefix Opcode Map are set
 (see Prefix Opcode Map, above), leaving 24 bits "free" for use by SV.
 This is achieved by setting bits 7 and 9 to 1: