598d836fff
This commit stabilizes the SIMD in Rust for the x86/x86_64 platforms. Notably
this commit is stabilizing:
* The `std::arch::{x86, x86_64}` modules and the intrinsics contained inside.
* The `is_x86_feature_detected!` macro in the standard library
* The `#[target_feature(enable = "...")]` attribute
* The `#[cfg(target_feature = "...")]` matcher
Stabilization of the module and intrinsics were primarily done in
rust-lang-nursery/stdsimd#414 and the two attribute stabilizations are done in
this commit. The standard library is also tweaked a bit with the new way that
stdsimd is integrated.
Note that other architectures like `std::arch::arm` are not stabilized as part
of this commit, they will likely stabilize in the future after they've been
implemented and fleshed out. Similarly the `std::simd` module is also not being
stabilized in this commit, only `std::arch`. Finally, nothing related to `__m64`
is stabilized in this commit either (MMX), only SSE and up types and intrinsics
are stabilized.
Closes #29717
Closes #44839
Closes #48556
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| .. | ||
| auxiliary | ||
| codegen | ||
| codegen-units | ||
| compile-fail | ||
| compile-fail-fulldeps | ||
| debuginfo | ||
| incremental | ||
| incremental-fulldeps | ||
| mir-opt | ||
| parse-fail | ||
| pretty | ||
| run-fail | ||
| run-fail-fulldeps | ||
| run-make | ||
| run-make-fulldeps | ||
| run-pass | ||
| run-pass-fulldeps | ||
| run-pass-valgrind | ||
| rustdoc | ||
| rustdoc-js | ||
| ui | ||
| ui-fulldeps | ||
| COMPILER_TESTS.md | ||