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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-06-07 05:48:48 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-06-07 05:48:48 +0000 |
commit | ef24de24a82fe681581cc130f342363c47c0969a (patch) | |
tree | 0d494f7e1a38b95c92426f58fe6eaa877303a86c /vendor/packed_simd_2/perf-guide/src/target-feature/features.md | |
parent | Releasing progress-linux version 1.74.1+dfsg1-1~progress7.99u1. (diff) | |
download | rustc-ef24de24a82fe681581cc130f342363c47c0969a.tar.xz rustc-ef24de24a82fe681581cc130f342363c47c0969a.zip |
Merging upstream version 1.75.0+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'vendor/packed_simd_2/perf-guide/src/target-feature/features.md')
-rw-r--r-- | vendor/packed_simd_2/perf-guide/src/target-feature/features.md | 13 |
1 files changed, 0 insertions, 13 deletions
diff --git a/vendor/packed_simd_2/perf-guide/src/target-feature/features.md b/vendor/packed_simd_2/perf-guide/src/target-feature/features.md deleted file mode 100644 index b93030ca6..000000000 --- a/vendor/packed_simd_2/perf-guide/src/target-feature/features.md +++ /dev/null @@ -1,13 +0,0 @@ -# Enabling target features - -Not all processors of a certain architecture will have SIMD processing units, -and using a SIMD instruction which is not supported will trigger undefined behavior. - -To allow building safe, portable programs, the Rust compiler will **not**, by default, -generate any sort of vector instructions, unless it can statically determine -they are supported. For example, on AMD64, SSE2 support is architecturally guaranteed. -The `x86_64-apple-darwin` target enables up to SSSE3. The get a defintive list of -which features are enabled by default on various platforms, refer to the target -specifications [in the compiler's source code][targets]. - -[targets]: https://github.com/rust-lang/rust/tree/master/src/librustc_target/spec |