PATCH: 2/6 [2nd try]: Add AVX support (Update document)

["H.J. Lu" <hongjiu dot lu at intel dot com>]

Hi,

This patch updates document for AVX support.  OK to install?
 
Thanks.


H.J.
---
2010-03-06  H.J. Lu  <hongjiu.lu@intel.com>

	* gdb.texinfo (General Query Packets): Document x86=xml.
	(i386 Features): Add org.gnu.gdb.i386.avx.

diff --git a/gdb/doc/gdb.texinfo b/gdb/doc/gdb.texinfo
index 41b11b6..64bc707 100644
--- a/gdb/doc/gdb.texinfo
+++ b/gdb/doc/gdb.texinfo
@@ -30268,6 +30268,11 @@ extensions to the remote protocol.  @value{GDBN} does not use such
 extensions unless the stub also reports that it supports them by
 including @samp{multiprocess+} in its @samp{qSupported} reply.
 @xref{multiprocess extensions}, for details.
+
+@item x86=xml
+This feature indicates that @value{GDBN} supports x86 XML target
+description.  If the stub sees @samp{x86=xml}, it can send @value{GDBN}
+the x86 XML target description.
 @end table
 
 Stubs should ignore any unknown values for
@@ -33350,6 +33355,17 @@ describe registers:
 @samp{mxcsr}
 @end itemize
 
+The @samp{org.gnu.gdb.i386.avx} feature is optional. It should
+describe the upper 128bit of @sc{ymm} registers:
+
+@itemize @minus
+@item
+@samp{ymm0h} through @samp{ymm7h} for i386
+@item
+@samp{ymm0h} through @samp{ymm15h} for amd64
+@item 
+@end itemize
+
 The @samp{org.gnu.gdb.i386.linux} feature is optional.  It should
 describe a single register, @samp{orig_eax}.