diff options
| author | H.J. Lu <hjl@lucon.org> | 2009-10-16 16:33:14 +0000 |
|---|---|---|
| committer | H.J. Lu <hjl@lucon.org> | 2009-10-16 16:33:14 +0000 |
| commit | 6077ce35c563ce807612f863673e900abdd370bc (patch) | |
| tree | 8910adab43f325f77456538b2f9b11fcfa8a6bb3 /gas | |
| parent | cca8a3b9f90fc7b495cf8c75d4d9fe7697fc8353 (diff) | |
| download | binutils-redhat-6077ce35c563ce807612f863673e900abdd370bc.tar.gz | |
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.
Diffstat (limited to 'gas')
| -rw-r--r-- | gas/ChangeLog | 7 | ||||
| -rw-r--r-- | gas/doc/c-i386.texi | 8 |
2 files changed, 13 insertions, 2 deletions
diff --git a/gas/ChangeLog b/gas/ChangeLog index 2888010019..3531c2159b 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 cf0bfa8f5d..50e6e98883 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}, |