impl: add compile time cpu feature detection when no_std
#1411
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| name: ci | |
| on: | |
| pull_request: | |
| branches: | |
| - master | |
| push: | |
| branches: | |
| - master | |
| schedule: | |
| - cron: '00 01 * * *' | |
| jobs: | |
| test: | |
| name: test | |
| env: | |
| # For some builds, we use cross to test on 32-bit and big-endian | |
| # systems. | |
| CARGO: cargo | |
| # When CARGO is set to CROSS, TARGET is set to `--target matrix.target`. | |
| TARGET: | |
| # Make quickcheck run more tests for hopefully better coverage. | |
| QUICKCHECK_TESTS: 100000 | |
| runs-on: ${{ matrix.os }} | |
| strategy: | |
| matrix: | |
| build: | |
| - pinned | |
| - stable | |
| - stable-32 | |
| - stable-mips | |
| - wasm | |
| - beta | |
| - nightly | |
| - macos | |
| - win-msvc | |
| - win-gnu | |
| include: | |
| - build: pinned | |
| os: ubuntu-latest | |
| rust: 1.41.1 | |
| - build: stable | |
| os: ubuntu-latest | |
| rust: stable | |
| - build: stable-32 | |
| os: ubuntu-latest | |
| rust: stable | |
| target: i686-unknown-linux-gnu | |
| - build: stable-mips | |
| os: ubuntu-latest | |
| rust: stable | |
| target: mips64-unknown-linux-gnuabi64 | |
| - build: beta | |
| os: ubuntu-latest | |
| rust: beta | |
| - build: nightly | |
| os: ubuntu-latest | |
| rust: nightly | |
| - build: macos | |
| os: macos-latest | |
| rust: stable | |
| - build: win-msvc | |
| os: windows-latest | |
| rust: stable | |
| - build: win-gnu | |
| os: windows-latest | |
| rust: stable-x86_64-gnu | |
| - build: wasm | |
| os: ubuntu-latest | |
| rust: stable-x86_64-gnu | |
| wasm: true | |
| steps: | |
| - name: Checkout repository | |
| uses: actions/checkout@v3 | |
| - name: Install Rust | |
| uses: dtolnay/rust-toolchain@master | |
| with: | |
| toolchain: ${{ matrix.rust }} | |
| - name: Use Cross | |
| if: matrix.target != '' | |
| run: | | |
| # We used to install 'cross' from master, but it kept failing. So now | |
| # we build from a known-good version until 'cross' becomes more stable | |
| # or we find an alternative. Notably, between v0.2.1 and current | |
| # master (2022-06-14), the number of Cross's dependencies has doubled. | |
| cargo install --bins --git https://github.com/rust-embedded/cross --tag v0.2.1 | |
| echo "CARGO=cross" >> $GITHUB_ENV | |
| echo "TARGET=--target ${{ matrix.target }}" >> $GITHUB_ENV | |
| - name: Download Wasmtime | |
| if: matrix.wasm | |
| run: | | |
| rustup target add wasm32-wasi | |
| echo "CARGO_BUILD_TARGET=wasm32-wasi" >> $GITHUB_ENV | |
| echo "RUSTFLAGS=-Ctarget-feature=+simd128" >> $GITHUB_ENV | |
| curl -LO https://github.com/bytecodealliance/wasmtime/releases/download/v0.32.0/wasmtime-v0.32.0-x86_64-linux.tar.xz | |
| tar xvf wasmtime-v0.32.0-x86_64-linux.tar.xz | |
| echo `pwd`/wasmtime-v0.32.0-x86_64-linux >> $GITHUB_PATH | |
| echo "CARGO_TARGET_WASM32_WASI_RUNNER=wasmtime run --wasm-features simd --" >> $GITHUB_ENV | |
| - name: Show command used for Cargo | |
| run: | | |
| echo "cargo command is: ${{ env.CARGO }}" | |
| echo "target flag is: ${{ env.TARGET }}" | |
| - name: Show CPU info for debugging | |
| if: matrix.os == 'ubuntu-latest' | |
| run: lscpu | |
| - run: ${{ env.CARGO }} build --verbose $TARGET | |
| - run: ${{ env.CARGO }} build --verbose $TARGET --no-default-features | |
| - run: ${{ env.CARGO }} doc --verbose $TARGET | |
| # Our dev dependencies evolve more rapidly than we'd like, so only run | |
| # tests when we aren't pinning the Rust version. | |
| - if: matrix.build != 'pinned' | |
| name: Show byte order for debugging | |
| run: ${{ env.CARGO }} test --verbose $TARGET byte_order -- --nocapture | |
| - if: matrix.build != 'pinned' | |
| name: Run tests under default configuration | |
| run: ${{ env.CARGO }} test --verbose $TARGET | |
| - if: matrix.build != 'pinned' | |
| name: Run tests with just alloc feature | |
| run: ${{ env.CARGO }} test --verbose --no-default-features --features alloc $TARGET | |
| - if: matrix.build == 'stable' | |
| name: Run under different SIMD configurations | |
| run: | | |
| set -x | |
| # Enable libc while using SIMD, libc won't be used. | |
| # (This is to ensure valid logic in the picking process.) | |
| cargo test --verbose --features libc | |
| preamble="--cfg memchr_disable_auto_simd" | |
| # Force use of fallback without libc. | |
| RUSTFLAGS="$preamble" cargo test --verbose | |
| # Force use of libc. | |
| RUSTFLAGS="$preamble" cargo test --verbose --features libc | |
| preamble="$preamble --cfg memchr_runtime_simd" | |
| # Force use of fallback even when SIMD is enabled. | |
| RUSTFLAGS="$preamble" cargo test --verbose | |
| # For some reason, cargo seems to get confused which results in | |
| # link errors. So wipe the slate clean. | |
| cargo clean | |
| # Force use of sse2 only | |
| RUSTFLAGS="$preamble --cfg memchr_runtime_sse2" cargo test --verbose | |
| # ... and wipe it again. So weird. | |
| cargo clean | |
| # Force use of avx only | |
| RUSTFLAGS="$preamble --cfg memchr_runtime_avx" cargo test --verbose | |
| - if: matrix.build == 'nightly' | |
| name: Run benchmarks as tests | |
| run: cargo bench --manifest-path bench/Cargo.toml --verbose -- --test | |
| build-for-non_sse-target: | |
| name: build for non-SSE target | |
| runs-on: ubuntu-latest | |
| steps: | |
| - name: Checkout repository | |
| uses: actions/checkout@v3 | |
| - name: Install Rust | |
| uses: dtolnay/rust-toolchain@master | |
| with: | |
| toolchain: nightly | |
| components: rust-src | |
| - run: cargo build -Z build-std=core --target=src/tests/x86_64-soft_float.json --verbose --no-default-features | |
| test-with-miri: | |
| name: test with miri | |
| runs-on: ubuntu-latest | |
| steps: | |
| - name: Checkout repository | |
| uses: actions/checkout@v3 | |
| - name: Install Rust | |
| uses: dtolnay/rust-toolchain@master | |
| with: | |
| toolchain: nightly | |
| components: miri | |
| - name: Show CPU info for debugging | |
| run: lscpu | |
| - run: cargo miri test --verbose | |
| - run: cargo miri test --verbose --no-default-features | |
| - run: cargo miri test --verbose --features libc | |
| rustfmt: | |
| name: rustfmt | |
| runs-on: ubuntu-latest | |
| steps: | |
| - name: Checkout repository | |
| uses: actions/checkout@v3 | |
| - name: Install Rust | |
| uses: dtolnay/rust-toolchain@master | |
| with: | |
| toolchain: stable | |
| components: rustfmt | |
| - name: Check formatting | |
| run: | | |
| cargo fmt -- --check | |
| - name: Check formatting on benchmarks | |
| run: | | |
| cargo fmt --manifest-path bench/Cargo.toml -- --check |