More Spectre Mitigations in MSVC

shikhakaul

In a previous blog post, Microsoft described the Spectre mitigations available under /Qspectre. These mitigations, while not significantly impacting performance, do not protect against all possible speculative load attacks, described in industry research as Load Value Injection. We are now adding two new switches /Qspectre-load and /Qspectre-load-cf to provide a more complete mitigation of Spectre attacks based on loads for customers. These switches are only available on x86 and x64 platforms.

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