PATCH: 2/6 [3rd try]: Add AVX support (Update document)

[H.J. Lu]

Hi,

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

Thanks.


H.J.
---
2010-03-28  H.J. Lu  <hongjiu.lu@intel.com>

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

diff --git a/gdb/doc/gdb.texinfo b/gdb/doc/gdb.texinfo
index 56dbe5d..168462a 100644
--- a/gdb/doc/gdb.texinfo
+++ b/gdb/doc/gdb.texinfo
@@ -30603,6 +30603,12 @@ 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 xmlRegisters
+This feature indicates that @value{GDBN} supports supports the XML
+target description.  If the stub sees @samp{xmlRegisters=} with
+target specfic strings separated by comma, it can send @value{GDBN}
+the XML target description.
 @end table
 
 Stubs should ignore any unknown values for
@@ -33746,6 +33752,17 @@ describe registers:
 @samp{mxcsr}
 @end itemize
 
+The @samp{org.gnu.gdb.i386.avx} feature is optional.  It should
+describe the upper 128 bits 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}.