From: Heinrich Schuchardt <xypron.glpk@gmx.de>
Date: Thu, 15 Oct 2020 05:40:57 +0000 (+0200)
Subject: doc: global data pointer on x86, x86_64
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doc: global data pointer on x86, x86_64

On x86 the global data pointer is stored in register fs.
On x86_64 no register is used for the global data pointer.

Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
---

diff --git a/doc/develop/global_data.rst b/doc/develop/global_data.rst
index 9e7c8a24da..230ebcd860 100644
--- a/doc/develop/global_data.rst
+++ b/doc/develop/global_data.rst
@@ -33,8 +33,10 @@ On most architectures the global data pointer is stored in a register.
 +------------+----------+
 | SuperH     | r13      |
 +------------+----------+
+| x86 32bit  | fs       |
++------------+----------+
 
-The sandbox, x86, and Xtensa are notable exceptions.
+The sandbox, x86_64, and Xtensa are notable exceptions.
 
 Clang for ARM does not support assigning a global register. When using Clang
 gd is defined as an inline function using assembly code. This adds a few bytes