[Simh] VAX + Spectre

[Zane Healy]

It might be worth asking on comp.os.vms as well, it’s one of the few USENET groups that seems to still be active.

Zane



> On Sep 17, 2019, at 6:55 AM, Paul Koning <paulkoning at comcast.net> wrote:
> 
> "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 <mailto:coypu at sdf.org>
>> Subject: VAX + Spectre
>> Date: September 17, 2019 at 5:32:42 AM EDT
>> To: port-vax at netbsd.org <mailto:port-vax at netbsd.org>
>> 
>> So, this is a bug report:
>> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86811 <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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