added english language description for lwzsx instruction

diff --git a/openpower/isa/fixedloadshift.mdwn b/openpower/isa/fixedloadshift.mdwn
index 568da640049cb9db6f7cf49e9909518d6d812004..7ace250ac863784ec2325857700aea490ad47c92 100644 (file)
--- a/openpower/isa/fixedloadshift.mdwn
+++ b/openpower/isa/fixedloadshift.mdwn
@@ -194,6 +194,14 @@ Pseudo-code:
     EA <- b + (RB) << (SH+1)
     RT <- [0] * 32 || MEM(EA, 4)
 
+Description:
+
+    Let the effective address (EA) be the sum of the contents of
+    register RB shifted by (SH+1), and (RA|0).
+
+    The word in storage addressed by EA is loaded into RT[32:63].
+    RT[0:31] are set to 0.
+
 Special Registers Altered:
 
     None