windows.yml

name: Windows build
on: [push, pull_request]
concurrency:
  group: ${{ github.workflow }}-${{ github.job }}-${{ github.ref }}
  cancel-in-progress: true

jobs:
  build-windows-x86:
    name: 'MSVC ${{ matrix.os }}, ${{ matrix.target }} ${{ matrix.sys.set }}'
    defaults:
      run:
        shell: bash {0}
    strategy:
      matrix:
        os:
          - 2022
          - 2025
        target:
          - x86
          - x64
        sys:
          - { set: SSE, flags: "/arch:SSE2" }
          - { set: AVX, flags: "/arch:AVX" }
          - { set: AVX2, flags: "/arch:AVX2" }
          - { set: AVX512, flags: "/arch:AVX512" }
        exclude:
          # AVX on both platforms has a codegen error
          # On 2019 in _mm256_rsqrt_ps, on 2022 in _mm256_blend_p*
          - { sys: { set: AVX } }
          # On both platforms x86 + AVX512 triggers a compiler crash
          - { target: x86, sys: { set: AVX512 } }
          # /arch:SSE2 is not available on x64 platforms (SSE2 is enabled by default)
          - { target: x64, sys: { set: SSE} }
    runs-on: windows-${{ matrix.os }}
    steps:
    - name: Setup compiler
      uses: ilammy/msvc-dev-cmd@v1
      with:
        arch: ${{ matrix.target }}
    - name: Setup Ninja
      run: |
        python3 -m pip install --upgrade pip setuptools wheel
        python3 -m pip install ninja
    - name: Checkout xsimd
      uses: actions/checkout@v6
    - name: Setup
      run: cmake -B _build -DBUILD_TESTS=ON -DDOWNLOAD_DOCTEST=ON -DBUILD_BENCHMARK=ON -DBUILD_EXAMPLES=ON -DCMAKE_BUILD_TYPE=Release -DCMAKE_CXX_FLAGS="${{ matrix.sys.flags }}" -G Ninja
    - name: Build
      run: cmake --build _build
    - name: Testing xsimd
      if: ${{ !startsWith(matrix.sys.set, 'AVX512') }}
      env:
        # Set CPU feature test expectations
        # Assuming the runner always has AVX2 (independent of compilation option)
        XSIMD_TEST_CPU_ASSUME_NEON64: "0"
        XSIMD_TEST_CPU_ASSUME_SSE4_2: "1"
        XSIMD_TEST_CPU_ASSUME_AVX2: "1"
        XSIMD_TEST_CPU_ASSUME_MANUFACTURER: "intel,amd"
      run: ./_build/test/test_xsimd

  build-windows-mingw:
    name: 'MSYS2 ${{ matrix.msystem }}'
    runs-on: windows-2022
    defaults:
      run:
        shell: msys2 {0}
    strategy:
      matrix:
        # Temporarily remove MINGW64 and UCRT64 builds because
        # GCC 12 gives an unexpected overflow warning for __builtin_memmove
        # see https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106199
        msystem: [ MINGW32, CLANG64 ]
        #msystem: [ MINGW32, MINGW64, UCRT64, CLANG32, CLANG64 ]
      fail-fast: false
    steps:
      - name: Use MinGW from MSYS2
        uses: msys2/setup-msys2@v2
        with:
          msystem: ${{ matrix.msystem }}
          update: true
          path-type: minimal
          pacboy: >-
            cc:p
            cmake:p
            ninja:p
      - name: Checkout xsimd
        uses: actions/checkout@v6
      - name: Configure
        run: cmake -B _build -DBUILD_TESTS=ON -DBUILD_BENCHMARK=ON -DBUILD_EXAMPLES=ON -DCMAKE_BUILD_TYPE=Release -DDOWNLOAD_DOCTEST=ON -G Ninja
      - name: Build
        run: cmake --build _build
      - name: Test
        run: ./_build/test/test_xsimd

  build-windows-clang-cl:
    name: 'clang-cl x64 ${{ matrix.config.name }}'
    defaults:
      run:
        shell: bash {0}
    strategy:
      matrix:
        config:
          - { name: "AVX2", flags: "/arch:AVX2", benchmark: "ON", examples: "ON" }
          - { name: "/fp:fast", flags: "/fp:fast", benchmark: "OFF", examples: "OFF" }
    runs-on: windows-2025
    steps:
    - name: Setup compiler
      uses: ilammy/msvc-dev-cmd@v1
      with:
        arch: amd64
    - name: Check clang-cl
      run: |
        command -v clang-cl
        clang-cl --version
    - name: Setup Ninja
      run: |
        python3 -m pip install --upgrade pip setuptools wheel
        python3 -m pip install ninja
    - name: Checkout xsimd
      uses: actions/checkout@v3
    - name: Setup
      run: |
        cmake -B _build \
              -DBUILD_TESTS=ON \
              -DDOWNLOAD_DOCTEST=ON \
              -DBUILD_BENCHMARK=${{ matrix.config.benchmark }} \
              -DBUILD_EXAMPLES=${{ matrix.config.examples }} \
              -DCMAKE_BUILD_TYPE=Release \
              -DCMAKE_C_COMPILER=clang-cl \
              -DCMAKE_CXX_COMPILER=clang-cl \
              -DCMAKE_CXX_FLAGS="${{ matrix.config.flags }} -DXSIMD_REASSOCIATIVE_MATH=1" \
              -G Ninja
    - name: Build
      run: cmake --build _build
    - name: Testing xsimd
      run: ./_build/test/test_xsimd

  build-windows-arm64:
    name: 'MSVC ARM64'
    defaults:
      run:
        shell: bash {0}
    runs-on: windows-11-arm
    steps:
    - name: Setup compiler
      uses: ilammy/msvc-dev-cmd@v1
      with:
        arch: arm64
    - name: Setup Ninja
      run: |
        python3 -m pip install --upgrade pip setuptools wheel
        python3 -m pip install ninja
    - name: Checkout xsimd
      uses: actions/checkout@v6
    - name: Setup
      run: cmake -B _build -DBUILD_TESTS=ON -DDOWNLOAD_DOCTEST=ON -DBUILD_BENCHMARK=ON -DBUILD_EXAMPLES=ON -DCMAKE_BUILD_TYPE=Release -G Ninja
    - name: Build
      run: cmake --build _build
    - name: Testing xsimd
      run: ./_build/test/test_xsimd

  build-windows-arm64-msys2-clang:
    name: 'MSYS2 CLANG ARM64'
    runs-on: windows-11-arm
    defaults:
      run:
        shell: msys2 {0}
    steps:
      - name: Setup MSYS2 with Clang (ARM64)
        uses: msys2/setup-msys2@v2
        with:
          msystem: CLANGARM64
          update: true
          path-type: minimal
          pacboy: >-
            cc:p
            cmake:p
            ninja:p
      - name: Checkout xsimd
        uses: actions/checkout@v4
      - name: Configure
        run: |
          cmake -B _build \
            -DBUILD_TESTS=ON \
            -DDOWNLOAD_DOCTEST=ON \
            -DBUILD_BENCHMARK=ON \
            -DBUILD_EXAMPLES=ON \
            -DCMAKE_BUILD_TYPE=Release \
            -G Ninja
      - name: Build
        run: cmake --build _build
      - name: Testing xsimd
        run: ./_build/test/test_xsimd

  build-windows-arm64-clang:
    name: 'LLVM CLANG ARM64'
    defaults:
      run:
        shell: bash {0}
    runs-on: windows-11-arm
    steps:
      - name: Install LLVM/Clang for Windows ARM64
        shell: pwsh
        run: |
          winget install --id LLVM.LLVM --accept-source-agreements --accept-package-agreements --silent
          # Add LLVM bin directory to PATH for subsequent steps
          echo "C:\Program Files\LLVM\bin" | Out-File -FilePath $env:GITHUB_PATH -Encoding utf8 -Append
      - name: Setup Ninja
        run: |
          python3 -m pip install --upgrade pip setuptools wheel
          python3 -m pip install ninja
      - name: Checkout xsimd
        uses: actions/checkout@v4
      - name: Verify clang-cl version
        run: clang-cl --version
      - name: Configure
        run: |
          cmake -B _build \
            -DCMAKE_C_COMPILER=clang-cl \
            -DCMAKE_CXX_COMPILER=clang-cl \
            -DBUILD_TESTS=ON \
            -DDOWNLOAD_DOCTEST=ON \
            -DBUILD_BENCHMARK=ON \
            -DBUILD_EXAMPLES=ON \
            -DCMAKE_BUILD_TYPE=Release \
            -G Ninja
      - name: Build
        run: cmake --build _build
      - name: Testing xsimd
        run: ./_build/test/test_xsimd