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PATCH: PR gas/10775: x86 64 documentation addenda
- From: "H.J. Lu" <hongjiu dot lu at intel dot com>
- To: binutils at sources dot redhat dot com
- Date: Fri, 16 Oct 2009 09:34:10 -0700
- Subject: PATCH: PR gas/10775: x86 64 documentation addenda
- Reply-to: "H.J. Lu" <hjl dot tools at gmail dot com>
I checked in this patch to update doc/c-i386.texi.
H.J.
---
diff --git a/gas/ChangeLog b/gas/ChangeLog
index 2888010..3531c21 100644
--- a/gas/ChangeLog
+++ b/gas/ChangeLog
@@ -1,3 +1,10 @@
+2009-10-16 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR gas/10775
+ * doc/c-i386.texi: Mention the 8 extra control registers for
+ x86-64.
+ Mention .code64 directive.
+
2009-10-15 Alan Modra <amodra@bigpond.net.au>
PR gas/1491
diff --git a/gas/doc/c-i386.texi b/gas/doc/c-i386.texi
index cf0bfa8..50e6e98 100644
--- a/gas/doc/c-i386.texi
+++ b/gas/doc/c-i386.texi
@@ -513,6 +513,9 @@ the 4 8-bit registers: @samp{%sil}, @samp{%dil}, @samp{%bpl}, @samp{%spl}.
the 8 debug registers: @samp{%db8}--@samp{%db15}.
@item
+the 8 control registers: @samp{%cr8}--@samp{%cr15}.
+
+@item
the 8 SSE registers: @samp{%xmm8}--@samp{%xmm15}.
@end itemize
@@ -812,8 +815,9 @@ or 64-bit x86-64 code depending on the default configuration,
it also supports writing code to run in real mode or in 16-bit protected
mode code segments. To do this, put a @samp{.code16} or
@samp{.code16gcc} directive before the assembly language instructions to
-be run in 16-bit mode. You can switch @code{@value{AS}} back to writing
-normal 32-bit code with the @samp{.code32} directive.
+be run in 16-bit mode. You can switch @code{@value{AS}} to writing
+32-bit code with the @samp{.code32} directive or 64-bit code with the
+@samp{.code64} directive.
@samp{.code16gcc} provides experimental support for generating 16-bit
code from gcc, and differs from @samp{.code16} in that @samp{call},