Added English Language description for stwbrx instruction

diff --git a/openpower/isa/fixedstore.mdwn b/openpower/isa/fixedstore.mdwn
index 2d61ae2df00b418fd61a4aaecde66998f27e71e0..3f31a11bb57b736b594c84d03e859d064a9d8e1d 100644 (file)
--- a/openpower/isa/fixedstore.mdwn
+++ b/openpower/isa/fixedstore.mdwn
@@ -488,6 +488,16 @@ Pseudo-code:
     MEM(EA, 4) <- ((RS)[56:63] || (RS)[48:55] || (RS)[40:47]
                    ||(RS)[32:39])
 
+Description:
+
+    Let the effective address (EA) be the sum
+    (RA|0)+ (RB). (RS)[56:63] are stored into bits 0:7 of the
+    word in storage addressed by EA. (RS) [48:55] are stored
+    into bits 8:15 of the word in storage addressed by EA.
+    (RS)[40:47] are stored into bits 16:23 of the word in stor-
+    age addressed by EA. (RS) [32:39] are stored into bits
+    24:31 of the word in storage addressed by EA.
+
 Special Registers Altered:
 
     None