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Date: Mon, 05 Dec 2011 20:07:42 -0500
From: Erik Winkler <ewinkler@...ls.com>
To: john-dev@...ts.openwall.com
Subject: Re: Use of ICC


On Dec 5, 2011, at 12:16 PM, Solar Designer wrote:

> Erik,
> 
> On Sat, Dec 03, 2011 at 01:26:46PM -0500, Erik Winkler wrote:
>> I had to comment out xgetbv in x86-64.S
> 
> What exactly did you do?  Did you just comment out this one line or did
> you make any other changes as well - e.g., edit adjacent lines in
> x86-64.S or disable CPU detection in x86-64.h?
> 
Just commented out the xgetbv line in x86-64.S.

> Instead of those changes, can you try replacing the xgetbv line with:
> 
> .byte 0x0f, 0x01, 0xd0
> 
> (raw opcode for the same instruction).  What happens when you do this?

It compiles just fine with this code substituted for xgetbv in x86-64.S

> 
> Thanks,
> 
> Alexander

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