From owner-freebsd-amd64@FreeBSD.ORG  Sat Jul 21 20:06:56 2012
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Date: Sat, 21 Jul 2012 13:06:49 -0700
From: Steve Kargl <sgk@troutmask.apl.washington.edu>
To: Arvydas Sidorenko <asido4@gmail.com>
Message-ID: <20120721200649.GA79631@troutmask.apl.washington.edu>
References: <CA+6av4m6XOkFhhBkLaZRH+L04uKXGAJHTbkMr0p22Qkdjozsfw@mail.gmail.com>
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Cc: freebsd-amd64@freebsd.org
Subject: Re: no such instructions: xsave, xsetbv, xrstor
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On Sat, Jul 21, 2012 at 07:52:29PM +0200, Arvydas Sidorenko wrote:
> This is the output I get when building 10-CURRENT from HEAD:
> /usr/src/sys/amd64/amd64/cpu_switch.S: Assembler messages:
> /usr/src/sys/amd64/amd64/cpu_switch.S:128: Error: no such instruction:
> `xsave (%r8)'
> /usr/src/sys/amd64/amd64/cpu_switch.S:504: Error: no such instruction: `xsetbv'
> /usr/src/sys/amd64/amd64/cpu_switch.S:505: Error: no such instruction:
> `xrstor (%rbx)'

How you building HEAD?

-- 
Steve