Fwd: VAX + Spectre

Paul Koning paulkoning at comcast.net
Tue Sep 17 08:55:01 CDT 2019


"Spectre" is one of two notorious bugs of modern CPUs involving speculative execution.  I rather doubt that VAX is affected by this but I suspect others here have a lot more knowledge.

	paul

> Begin forwarded message:
> 
> From: coypu at sdf.org
> Subject: VAX + Spectre
> Date: September 17, 2019 at 5:32:42 AM EDT
> To: port-vax at netbsd.org
> 
> So, this is a bug report:
> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86811
> 
> GCC would like to know if VAX needs Spectre-related work.
> Are any of the VAXes ever made capable of speculative execution? the
> first tech for doing it was in 1967, so not entirely far-fetched.



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