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| author | H.J. Lu <hjl.tools@gmail.com> | 2009-10-16 16:33:17 +0000 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2009-10-16 16:33:17 +0000 |
| commit | 995cef8c87f707f26ce29dee362b1f48012df938 (patch) | |
| tree | bfc07c4da7bd25a1f20edd9b2dbb7159fd3d97c6 /gas | |
| parent | 52a6c1feddc2e9f517ecb23b9b9068d79f30864a (diff) | |
| download | gdb-995cef8c87f707f26ce29dee362b1f48012df938.zip gdb-995cef8c87f707f26ce29dee362b1f48012df938.tar.gz gdb-995cef8c87f707f26ce29dee362b1f48012df938.tar.bz2 | |
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 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}, |