add first chacha20 round test

[openpower-isa.git] / openpower / isa / fixedshift.mdwn

diff --git a/openpower/isa/fixedshift.mdwn b/openpower/isa/fixedshift.mdwn
index fd88c1a30c78cd8e302f5c6be66c25bd1f220d06..9d90da3cc983fd0ab7c3309ad351a20ac1b1f841 100644 (file)
--- a/openpower/isa/fixedshift.mdwn
+++ b/openpower/isa/fixedshift.mdwn
@@ -38,7 +38,7 @@ M-Form
 Pseudo-code:
 
     n <- (RB)[XLEN-5:XLEN-1]
-    r <- ROTL32((RS)[32:63], n)
+    r <- ROTL32((RS)[XLEN-32:XLEN-1], n)
     m <- MASK32(MB, ME)
     RA <- r & m