93316d7f28
Stabilize movbe target feature Almost all "old" x86 target features are stable. As far as I can tell, these are the last two unstable features in the `x86-64-v2` or `x86-64-v3` microarchitecture levels, so I'm not sure if it was an oversight or if they're still unstable for a reason (see #106323 for `f16c`). Note that this only stabilizes the target features, and not the intrinsics. cc ```@Amanieu``` r? ```@rust-lang/lang```
Please read the rustc-dev-guide chapter on Backend Agnostic Codegen.