main.yml

name: CI
on:
  push:
    branches:
    - auto
    - try
  pull_request:
    branches:
    - master

jobs:
  style:
    name: Check Style
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v4
    - name: Install Rust
      run: rustup update nightly --no-self-update && rustup default nightly
    - run: ci/style.sh

  docs:
    name: Build Documentation
    needs: [style]
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v4
    - name: Install Rust
      run: rustup update nightly --no-self-update && rustup default nightly
    - run: ci/dox.sh
      env:
        CI: 1
    - name: Publish documentation
      run: |
        cd target/doc
        git init
        git add .
        git -c user.name='ci' -c user.email='ci' commit -m init
        git push -f -q https://git:${{ secrets.github_token }}@github.com/${{ github.repository }} HEAD:gh-pages
      if: github.event_name == 'push' && github.event.ref == 'refs/heads/master'

  verify:
    name: Automatic intrinsic verification
    needs: [style]
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v4
    - name: Install Rust
      run: rustup update nightly --no-self-update && rustup default nightly
    - run: cargo test --manifest-path crates/stdarch-verify/Cargo.toml

  env_override:
    name: Env Override
    needs: [style]
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ubuntu-latest, windows-latest]
    steps:
    - uses: actions/checkout@v4
    - name: Install Rust
      run: rustup update nightly --no-self-update && rustup default nightly
    - run: RUST_STD_DETECT_UNSTABLE=avx cargo test --features=std_detect_env_override --manifest-path crates/std_detect/Cargo.toml env_override_no_avx
      shell: bash

  test:
    needs: [style]
    name: Test
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        target:
        # Dockers that are run through docker on linux
        - i686-unknown-linux-gnu
        - x86_64-unknown-linux-gnu
        - x86_64-unknown-linux-gnu-emulated
        - arm-unknown-linux-gnueabihf
        - armv7-unknown-linux-gnueabihf
        - aarch64-unknown-linux-gnu
        - riscv64gc-unknown-linux-gnu
        - powerpc64le-unknown-linux-gnu
        # MIPS targets disabled since they are dropped to tier 3.
        # See https://github.com/rust-lang/compiler-team/issues/648
        #- mips-unknown-linux-gnu
        #- mips64-unknown-linux-gnuabi64
        #- mips64el-unknown-linux-gnuabi64
        #- mipsel-unknown-linux-musl
        - s390x-unknown-linux-gnu
        - wasm32-wasip1
        - i586-unknown-linux-gnu
        - nvptx64-nvidia-cuda
        - thumbv6m-none-eabi
        - thumbv7m-none-eabi
        - thumbv7em-none-eabi
        - thumbv7em-none-eabihf
        - loongarch64-unknown-linux-gnu

        # macOS targets
        - x86_64-apple-darwin
        - aarch64-apple-darwin
        # FIXME: gh-actions build environment doesn't have linker support
        # - i686-apple-darwin

        # Windows targets
        - x86_64-pc-windows-msvc
        - i686-pc-windows-msvc
        - aarch64-pc-windows-msvc
        - x86_64-pc-windows-gnu
        # - i686-pc-windows-gnu:

        include:
        - target: i686-unknown-linux-gnu
          os: ubuntu-latest
        - target: x86_64-unknown-linux-gnu
          os: ubuntu-latest
        - target: x86_64-unknown-linux-gnu-emulated
          os: ubuntu-latest
          test_everything: true
          rustflags: --cfg stdarch_intel_sde
          disable_assert_instr: true
        - target: arm-unknown-linux-gnueabihf
          os: ubuntu-latest
        - target: armv7-unknown-linux-gnueabihf
          os: ubuntu-latest
        # MIPS targets disabled since they are dropped to tier 3.
        # See https://github.com/rust-lang/compiler-team/issues/648
        #- target: mips-unknown-linux-gnu
        #  os: ubuntu-latest
        #  norun: true
        #- target: mips64-unknown-linux-gnuabi64
        #  os: ubuntu-latest
        #  norun: true
        #- target: mips64el-unknown-linux-gnuabi64
        #  os: ubuntu-latest
        #  norun: true
        #- target: mipsel-unknown-linux-musl
        #  os: ubuntu-latest
        #  norun: 1
        - target: powerpc64le-unknown-linux-gnu
          os: ubuntu-latest
          disable_assert_instr: true
        - target: s390x-unknown-linux-gnu
          os: ubuntu-latest
        - target: wasm32-wasip1
          os: ubuntu-latest
        - target: aarch64-apple-darwin
          os: macos-latest
          norun: true # https://github.com/rust-lang/stdarch/issues/1206
        - target: aarch64-apple-ios-macabi
          os: macos-latest
          norun: true # https://github.com/rust-lang/stdarch/issues/1206
        - target: aarch64-unknown-linux-gnu
          os: ubuntu-latest
        - target: x86_64-apple-darwin
          os: macos-13
        - target: x86_64-apple-ios-macabi
          os: macos-13
        - target: x86_64-pc-windows-msvc
          os: windows-latest
        - target: i686-pc-windows-msvc
          os: windows-latest
        - target: aarch64-pc-windows-msvc
          os: windows-latest
          norun: true
        - target: x86_64-pc-windows-gnu
          os: windows-latest
        - target: i586-unknown-linux-gnu
          os: ubuntu-latest
        - target: nvptx64-nvidia-cuda
          os: ubuntu-latest
        - target: thumbv6m-none-eabi
          os: ubuntu-latest
        - target: thumbv7m-none-eabi
          os: ubuntu-latest
        - target: thumbv7em-none-eabi
          os: ubuntu-latest
        - target: thumbv7em-none-eabihf
          os: ubuntu-latest
        - target: riscv64gc-unknown-linux-gnu
          os: ubuntu-latest
        - target: loongarch64-unknown-linux-gnu
          os: ubuntu-latest

    steps:
    - uses: actions/checkout@v4
      with:
        submodules: recursive
    - name: Install Rust
      run: |
        rustup update nightly --no-self-update
        rustup default nightly
    - run: rustup target add ${{ matrix.target }}
      if: "!endsWith(matrix.target, 'emulated')"
    - run: cargo generate-lockfile

    # Configure some env vars based on matrix configuration
    - run: echo "NORUN=1" >> $GITHUB_ENV
      shell: bash
      if: matrix.norun != '' || startsWith(matrix.target, 'thumb') || matrix.target == 'nvptx64-nvidia-cuda'
    - run: echo "STDARCH_TEST_EVERYTHING=1" >> $GITHUB_ENV
      shell: bash
      if: matrix.test_everything != ''
    - run: echo "RUSTFLAGS=${{ matrix.rustflags }}" >> $GITHUB_ENV
      shell: bash
      if: matrix.rustflags != ''
    - run: echo "STDARCH_DISABLE_ASSERT_INSTR=1" >> $GITHUB_ENV
      shell: bash
      if: matrix.disable_assert_instr != ''
    - run: echo "NOSTD=1" >> $GITHUB_ENV
      shell: bash
      if: startsWith(matrix.target, 'thumb') || matrix.target == 'nvptx64-nvidia-cuda'

    # Windows & OSX go straight to `run.sh` ...
    - run: ./ci/run.sh
      shell: bash
      if: matrix.os != 'ubuntu-latest' || startsWith(matrix.target, 'thumb')
      env:
        TARGET: ${{ matrix.target }}

    # ... while Linux goes to `run-docker.sh`
    - run: ./ci/run-docker.sh ${{ matrix.target }}
      shell: bash
      if: "matrix.os == 'ubuntu-latest' && !startsWith(matrix.target, 'thumb')"
      env:
        TARGET: ${{ matrix.target }}

  build-std-detect:
    needs: [style]
    name: Build std_detect
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v4
    - name: Install Rust
      run: rustup update nightly && rustup default nightly
    - run: ./ci/build-std-detect.sh

  success:
    needs:
      - docs
      - verify
      - env_override
      - test
      - build-std-detect
    runs-on: ubuntu-latest
    # GitHub branch protection is exceedingly silly and treats "jobs skipped because a dependency
    # failed" as success. So we have to do some contortions to ensure the job fails if any of its
    # dependencies fails.
    if: always() # make sure this is never "skipped"
    steps:
      # Manually check the status of all dependencies. `if: failure()` does not work.
      - name: check if any dependency failed
        run: jq --exit-status 'all(.result == "success")' <<< '${{ toJson(needs) }}'