no such instructions: xsave, xsetbv, xrstor

Steve Kargl sgk at troutmask.apl.washington.edu
Sat Jul 21 20:06:56 UTC 2012


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


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