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[Xen-devel] RE: [Xen-changelog] [xen-unstable] [X86EMUL] Mark MOV instruction as not needing writeback.


  • To: xen-devel@xxxxxxxxxxxxxxxxxxx, xen-changelog@xxxxxxxxxxxxxxxxxxx
  • From: "Petersson, Mats" <Mats.Petersson@xxxxxxx>
  • Date: Tue, 6 Jun 2006 20:53:12 +0200
  • Delivery-date: Tue, 06 Jun 2006 11:53:54 -0700
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: AcaJbGse1kW8C5sLTeeyunMfbwYUQQALeYbw
  • Thread-topic: [Xen-changelog] [xen-unstable] [X86EMUL] Mark MOV instruction as not needing writeback.

 

> -----Original Message-----
> From: xen-changelog-bounces@xxxxxxxxxxxxxxxxxxx 
> [mailto:xen-changelog-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf 
> Of Xen patchbot-unstable
> Sent: 06 June 2006 09:25
> To: xen-changelog@xxxxxxxxxxxxxxxxxxx
> Subject: [Xen-changelog] [xen-unstable] [X86EMUL] Mark MOV 
> instruction as not needing writeback.
> 
> # HG changeset patch
> # User kfraser@xxxxxxxxxxxxxxxxxxxxxxx
> # Node ID 89d7acdd8951342c1d75a5485f732f8164e5ccb1
> # Parent  5e3827f7a93a96a1d043cb0e523a0f821830af94
> [X86EMUL] Mark MOV instruction as not needing writeback.
[snip]
>  2 files changed, 80 insertions(+), 55 deletions(-)
>      /* 0x88 - 0x8F */
> -    ByteOp|DstMem|SrcReg|ModRM, DstMem|SrcReg|ModRM,
> -    ByteOp|DstReg|SrcMem|ModRM, DstReg|SrcMem|ModRM,
> +    ByteOp|DstMem|SrcReg|ModRM|Mov, DstMem|SrcReg|ModRM|Mov,
> +    ByteOp|DstReg|SrcMem|ModRM|Mov, DstReg|SrcMem|ModRM|Mov,
>      0, 0, 0, DstMem|SrcNone|ModRM|Mov,
>      /* 0x90 - 0x9F */
>      0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,

Doesn't the same thing need to be done for 0xC6/0xC7?

--
Mats


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