Added English language description for stfdux instruction

diff --git a/openpower/isa/pifpstoreshift.mdwn b/openpower/isa/pifpstoreshift.mdwn
index a91570b474ec1b5babebaacbb8963404dcf98cde..f0c47b9e7a526042a5be25ef2383305ae6cf16b2 100644 (file)
--- a/openpower/isa/pifpstoreshift.mdwn
+++ b/openpower/isa/pifpstoreshift.mdwn
@@ -38,13 +38,14 @@ X-Form
 
 Pseudo-code:
 
-    EA <- (RA) + (RB)
+    EA <- (RA) + (RB)<<(SH+1)
     MEM(RA, 8)<- (FRS)
     RA <- EA
 
 Description:
 
-    Let the effective address (EA) be the sum (RA)+(RB).
+    Let the effective address (EA) be the sum of the contents of
+    register RB shifted by (SH+1), and the contents of register RA.
 
     The contents of register FRS are stored into the dou-
     bleword in storage addressed by RA.