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Re: [Qemu-devel] [PATCH 0/5] tcg/i386: use movbe instruction in qemu_lds
From: |
Aurelien Jarno |
Subject: |
Re: [Qemu-devel] [PATCH 0/5] tcg/i386: use movbe instruction in qemu_ldst routines |
Date: |
Sun, 22 Dec 2013 12:47:09 +0100 |
User-agent: |
Mutt/1.5.21 (2010-09-15) |
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
> address@hidden http://www.aurel32.net
--
Aurelien Jarno GPG: 1024D/F1BCDB73
address@hidden http://www.aurel32.net
- Re: [Qemu-devel] [PATCH 3/5] tcg/i386: add support for three-byte opcodes, (continued)
- [Qemu-devel] [PATCH 2/5] tcg/i386: remove hardcoded P_REXW value, Aurelien Jarno, 2013/12/21
- [Qemu-devel] [PATCH 4/5] tcg/i386: use movbe instruction in qemu_ldst routines, Aurelien Jarno, 2013/12/21
- [Qemu-devel] [PATCH 1/5] disas/i386.c: disassemble movbe instruction, Aurelien Jarno, 2013/12/21
- [Qemu-devel] [PATCH 5/5] tcg/i386: cleanup useless #ifdef, Aurelien Jarno, 2013/12/21
- Re: [Qemu-devel] [PATCH 0/5] tcg/i386: use movbe instruction in qemu_ldst routines, Aurelien Jarno, 2013/12/22
- Re: [Qemu-devel] [PATCH 0/5] tcg/i386: use movbe instruction in qemu_ldst routines,
Aurelien Jarno <=