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Message-ID: <8a1ffbc88f6744c0fa0986bd1984411e@smtp.hushmail.com>
Date: Sat, 24 Oct 2015 02:43:25 +0200
From: magnum <john.magnum@...hmail.com>
To: john-dev@...ts.openwall.com
Subject: Re: Re: "Illegal instruction" error on
On 2015-10-24 02:33, magnum wrote:
> On 2015-10-24 01:07, magnum wrote:
>> I'll see if I can figure out how to check for AVX2 and beat Solar to
>> it... it oughta be better than Sudoku.
>
> I think/hope I did it right. Seems to work. Here's the asm diff.
Had to clear ecx also
#ifdef CPU_REQ_AVX2
xorl %eax,%eax
cpuid
movl $7,%edx
cmpl %edx,%eax
jl CPU_detect_fail
xchgl %edx,%eax
+ xorl %ecx,%ecx
cpuid
andl CF_AVX2,%ebx
cmpl CF_AVX2,%ebx
jne CPU_detect_fail
#else
magnum
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