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From: Denis Vlasenko <vda@port.imtp.ilyichevsk.odessa.ua>
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To: Willy TARREAU <willy@w.ods.org>, linux-kernel@vger.kernel.org,
       Ronald.Wahl@informatik.tu-chemnitz.de
Subject: Re: [ANNOUNCE] CMOV emulation for 2.4.19-rc1
Date: Mon, 1 Jul 2002 16:25:46 -0200
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On 30 June 2002 02:39, Willy TARREAU wrote:
> Hi all,
>
> OK, I know that many people dislike this, but I know others
> who occasionally need it anyway. So I don't post it for general
> inclusion, but for interested people.

+       if ((*eip == 0x0F) && ((*(eip+1) & 0xF0) == 0x40)) {  /* CMOV* */
...
+       if ((*eip == 0x0F) && ((*(eip+1) & 0xF8) == 0xC8)) {  /* BSWAP */
...
+       if ((*eip == 0x0F) && ((*(eip+1) & 0xFE) == 0xB0)) {  /* CMPXCHG */
...
+       if ((*eip == 0x0F) && ((*(eip+1) & 0xFE) == 0xC0)) {  /* XADD */

You may check for 0x0F only once:

	if(*eip!=0x0f) goto invalid_opcode;
	eip++;
--
vda
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