Add SSE4a and TBM with MSRV 1.91

Author: DJMcNab

.clippy.toml

@@ -9,4 +9,4 @@ trivial-copy-size-limit = 16
 
 # END LINEBENDER LINT SET
 
-doc-valid-idents = ["ShangMi", ".."]
+doc-valid-idents = ["ShangMi", "SSE4a", ".."]

.github/workflows/ci.yml

@@ -3,12 +3,12 @@ env:
   # version like 1.70. Note that we only specify MAJOR.MINOR and not PATCH so that bugfixes still
   # come automatically. If the version specified here is no longer the latest stable version,
   # then please feel free to submit a PR that adjusts it along with the potential clippy fixes.
-  RUST_STABLE_VER: "1.90" # In quotes because otherwise (e.g.) 1.70 would be interpreted as 1.7
+  RUST_STABLE_VER: "1.91" # In quotes because otherwise (e.g.) 1.70 would be interpreted as 1.7
   # The purpose of checking with the minimum supported Rust toolchain is to detect its staleness.
   # If the compilation fails, then the version specified here needs to be bumped up to reality.
   # Be sure to also update the rust-version property in the workspace Cargo.toml file,
   # plus all the README.md files of the affected packages.
-  RUST_MIN_VER: "1.89"
+  RUST_MIN_VER: "1.91"
   # List of packages that will be checked with the minimum supported Rust version.
   # This should be limited to packages that are intended for publishing.
   RUST_MIN_VER_PKGS: "-p fearless_simd -p fearless_simd_core"

CHANGELOG.md

@@ -13,7 +13,7 @@ You can find its changes [documented below](#030-2025-10-14).
 
 ## [Unreleased]
 
-This release has an [MSRV][] of 1.89.
+This release has an [MSRV][] of 1.91.
 
 ### Changed
 

Cargo.toml

@@ -15,8 +15,7 @@ license = "Apache-2.0 OR MIT"
 repository = "https://github.com/linebender/fearless_simd"
 # Keep in sync with RUST_MIN_VER in .github/workflows/ci.yml, with the relevant README.md files
 # and with the MSRV in the `Unreleased` section of CHANGELOG.md.
-# When increasing past 1.91, also uncomment the `discontinued::tbm` and `sse::sse4a` modules/imports in Fearless SIMD Core.
-rust-version = "1.89"
+rust-version = "1.91"
 
 [workspace.lints]
 

README.md

@@ -59,7 +59,7 @@ It benefited from conversations with Luca Versari, though he is not responsible
 
 ## Minimum supported Rust Version (MSRV)
 
-This version of Fearless SIMD has been verified to compile with **Rust 1.89** and later.
+This version of Fearless SIMD has been verified to compile with **Rust 1.91** and later.
 
 Future versions of Fearless SIMD might increase the Rust version requirement.
 It will not be treated as a breaking change and as such can even happen with small patch releases.

fearless_simd/README.md

@@ -125,7 +125,7 @@ At least one of `std` and `libm` is required; `std` overrides `libm`.
 
 ## Minimum supported Rust Version (MSRV)
 
-This version of Fearless SIMD has been verified to compile with **Rust 1.89** and later.
+This version of Fearless SIMD has been verified to compile with **Rust 1.91** and later.
 
 Future versions of Fearless SIMD might increase the Rust version requirement.
 It will not be treated as a breaking change and as such can even happen with small patch releases.

fearless_simd_core/README.md

@@ -78,7 +78,7 @@ with `#[target_feature]`, and a call to this newly generated function.
 
 ## Minimum supported Rust Version (MSRV)
 
-This version of Fearless SIMD has been verified to compile with **Rust 1.89** and later.
+This version of Fearless SIMD has been verified to compile with **Rust 1.91** and later.
 
 Future versions of Fearless SIMD might increase the Rust version requirement.
 It will not be treated as a breaking change and as such can even happen with small patch releases.

fearless_simd_core/src/x86/discontinued/mod.rs

@@ -8,6 +8,5 @@
 //!
 //! For more information, see <https://en.wikipedia.org/wiki/List_of_discontinued_x86_instructions>
 
-// These will be stabilised in 1.91.
-// mod tbm;
-// pub use tbm::Tbm;
+mod tbm;
+pub use tbm::Tbm;

fearless_simd_core/src/x86/discontinued/tbm.rs

@@ -42,7 +42,7 @@ impl Debug for Tbm {
 // Safety: This token can only be constructed if you have proof that all the requisite
 // target feature is enabled.
 unsafe impl TargetFeatureToken for Tbm {
-    const FEATURES: &[&str] = &["tbm", ];
+    const FEATURES: &[&str] = &["tbm"];
 
     #[inline(always)]
     fn vectorize<R>(self, f: impl FnOnce() -> R) -> R {
@@ -88,7 +88,6 @@ impl Tbm {
     }
 }
 
-
 const _: () = {
     assert!(
         core::mem::size_of::<Tbm>() == 0,

fearless_simd_core/src/x86/sse/mod.rs

@@ -29,9 +29,8 @@ pub use sse3::Sse3;
 mod ssse3;
 pub use ssse3::SupplementalSse3;
 
-// These will be stabilised in 1.91.
-// mod sse4a;
-// pub use sse4a::Sse4a;
+mod sse4a;
+pub use sse4a::Sse4a;
 
 mod sse4_1;
 pub use sse4_1::Sse4_1;