Added English language description for lwaupsx instruction

diff --git a/openpower/isa/pifixedloadshift.mdwn b/openpower/isa/pifixedloadshift.mdwn
index 1f9d3148652ee7053a880dd761dc6a5808704aac..dce20ab2922aa6aa6386f2ef1f95b5bc686b364d 100644 (file)
--- a/openpower/isa/pifixedloadshift.mdwn
+++ b/openpower/isa/pifixedloadshift.mdwn
@@ -127,17 +127,18 @@ Special Registers Altered:
 
 X-Form
 
-* lwaupsx RT,RA,RB
+* lwaupsx RT,RA,RB.SH
 
 Pseudo-code:
 
-    EA <- (RA)
+    EA <- (RA)<<(SH+1)
     RT <- EXTS(MEM(EA, 4))
     RA <- (RA) + (RB)
 
 Description:
 
-    Let the effective address (EA) be the register RA.
+    Let the effective address (EA) be the contents of
+    register RA shifted by (SH+1).
 
     The word in storage addressed by EA is loaded into RT[32:63].
     RT[0:31] are filled with a copy of bit 0 of the loaded word.