From: Shriya Sharma <shriya@redsemiconductor.com>
Date: Tue, 3 Oct 2023 10:14:22 +0000 (+0100)
Subject: Added English Language description for stwbrx instruction
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=ffb1fb61ef9764c29bf352db5987ffd33ee707fa;p=openpower-isa.git

Added English Language description for stwbrx instruction
---

diff --git a/openpower/isa/fixedstore.mdwn b/openpower/isa/fixedstore.mdwn
index 2d61ae2d..3f31a11b 100644
--- 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