added english language description for lhasx instruction

diff --git a/openpower/isa/fixedloadshift.mdwn b/openpower/isa/fixedloadshift.mdwn
index 8e7283e6fd1329db61558c814eafb8475bc34573..acdb940cd5f5c1e02d4036458a7e70377acb6aad 100644 (file)
--- a/openpower/isa/fixedloadshift.mdwn
+++ b/openpower/isa/fixedloadshift.mdwn
@@ -143,6 +143,14 @@ Pseudo-code:
     EA <- b + (RB) << (SH+1)
     RT <- EXTS(MEM(EA, 2))
 
+Description:
+
+    Let the effective address (EA) be the sum of the contents of
+    register RB shifted by (SH+1), and (RA|0).
+
+    The halfword in storage addressed by EA is loaded into RT[48:63].
+    RT[0:47] are filled with a copy of bit 0 of the loaded halfword.
+
 Special Registers Altered:
 
     None