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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-06-12 05:43:14 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-06-12 05:43:14 +0000 |
| commit | 8dd16259287f58f9273002717ec4d27e97127719 (patch) | |
| tree | 3863e62a53829a84037444beab3abd4ed9dfc7d0 /third_party/rust/packed_simd/perf-guide/src/target-feature/features.md | |
| parent | Releasing progress-linux version 126.0.1-1~progress7.99u1. (diff) | |
| download | firefox-8dd16259287f58f9273002717ec4d27e97127719.tar.xz firefox-8dd16259287f58f9273002717ec4d27e97127719.zip | |
Merging upstream version 127.0.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'third_party/rust/packed_simd/perf-guide/src/target-feature/features.md')
| -rw-r--r-- | third_party/rust/packed_simd/perf-guide/src/target-feature/features.md | 13 |
1 files changed, 0 insertions, 13 deletions
diff --git a/third_party/rust/packed_simd/perf-guide/src/target-feature/features.md b/third_party/rust/packed_simd/perf-guide/src/target-feature/features.md deleted file mode 100644 index b93030ca67..0000000000 --- a/third_party/rust/packed_simd/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 |