[cfe-users] Prospects of Clang acquiring an equivalent of MSVC's /QSpectre?

Dallman, John via cfe-users cfe-users at lists.llvm.org
Thu Feb 15 10:00:33 PST 2018

> MSVC has recently gained a /QSpectre option that tries to do this for you
> (https://blogs.msdn.microsoft.com/vcblog/2018/01/15/spectre-mitigations-in-msvc/).
> While this can't be completely fool-proof, I can well believe that it will do
> as good a job as bored humans, and is much cheaper.

I was a bit optimistic there: currently it is very limited.

https://www.paulkocher.com/doc/MicrosoftCompilerSpectreMitigation.html has details.

Nonetheless, automated tools are going to be essential to fix this problem.

John Dallman

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