Re: [Qemu-devel] [PATCH 0/5] tcg/i386: use movbe instruction in qemu_ldst routines

[Aurelien Jarno <aurelien@aurel32.net>]

And now I just realized you send such a patch before me. I am going to
review yours then.

On Sun, Dec 22, 2013 at 12:24:38PM +0100, Aurelien Jarno wrote:
> I forgot to Cc: Richard on this patch set, doing that now...
> 
> On Sat, Dec 21, 2013 at 05:43:39PM +0100, Aurelien Jarno wrote:
> > This patchset enable the usage of the movbe instruction, available on
> > Intel Atom and Intel Haswell CPU, in qemu_ldst routines, avoiding bswap
> > instructions before or after the store or loads. The availability of
> > this instruction is done at runtime using the cpuid instruction.
> > 
> > The last patch of the series is not fully related, but I spotted the
> > issue when working on this patchset, so I thought it's a good idea to
> > fix it.
> > 
> > Aurelien Jarno (5):
> >   disas/i386.c: disassemble movbe instruction
> >   tcg/i386: remove hardcoded P_REXW value
> >   tcg/i386: add support for three-byte opcodes
> >   tcg/i386: use movbe instruction in qemu_ldst routines
> >   tcg/i386: cleanup useless #ifdef
> > 
> >  disas/i386.c          |    8 +--
> >  tcg/i386/tcg-target.c |  178 ++++++++++++++++++++++++++++++++++---------------
> >  2 files changed, 128 insertions(+), 58 deletions(-)
> > 
> > -- 
> > 1.7.10.4
> > 
> > 
> 
> -- 
> Aurelien Jarno                          GPG: 1024D/F1BCDB73
> aurelien@aurel32.net                 http://www.aurel32.net

-- 
Aurelien Jarno                          GPG: 1024D/F1BCDB73
aurelien@aurel32.net                 http://www.aurel32.net