name: CI

on:
  push:
    branches-ignore:
      - 'ci/**'
      - '!ci/gha**'
      - 'dependabot/**'
  pull_request:
    branches:
      - 'master'

concurrency:
  group: build-${{ github.event.pull_request.number || github.ref }}
  cancel-in-progress: true

jobs:
  checkinstall:
    runs-on: ubuntu-slim
    steps:
    - uses: actions/checkout@v6
      with:
        fetch-depth: 2
    - name: Install APT Dependencies
      run: |
        sudo apt-get update && sudo apt-get install -y --no-install-recommends ninja-build
        pipx install meson==0.55.1
    - run: |
        meson setup build --prefix "$PWD/install" -Dtests=false
        meson install -C build --quiet
        diff <(find simde/ -type f -name "*.h")  <(cd install/include/; find simde -type f -name "*.h" )

  formatting:
    runs-on: ubuntu-slim
    steps:
    - uses: actions/checkout@v6
      with:
        fetch-depth: 2
    - name: Install pcre2grep
      run: sudo apt-get update && sudo apt-get install -y --no-install-recommends pcre2-utils
    # Check for trailing whitespace
    - name: Trailing whitespace
      run: find simde/ \( -name '*.c' -o -name '*.h' \) -exec grep -nP '\s+$' {} + && exit 1 || exit 0
    # We use spaces, not tabs.  I don't want to start a holy war here;
    # I don't actually have a strong preference between the two, but I
    # do have a strong preference for consistency, so don't @ me.
    - name: Tabs
      run: find simde/ \( -name '*.c' -o -name '*.h' \) -exec grep -nP '\t' {} + && exit 1 || exit 0
    # s/8/16/ will result in this if the input is x86.
    - name: Bad substitutions
      run: git grep -i 'x''1''6''6' && exit 1 || exit 0
    - name: Incorrect assertions in test/
      run: grep -PR '(?<=[^a-zA-Z0-9_])simde_assert_u?int(8|16|32|64)(?>[^a-zA-Z0-9_])' test/ && exit 1 || exit 0
    # Check to make sure no source files have the executable bit set
    - name: Executable sources
      run: find \( -name '*.c' -o -name '*.h' \) -executable | grep -q '.' && exit 1 || exit 0
    # Make sure neon.h includes all the NEON headers.
    - name: Missing NEON includes
      run: for f in simde/arm/neon/*.h; do grep -q "include \"neon/$(basename "$f")\"" simde/arm/neon.h || (echo "Missing $f" && exit 1); done
    # Make sure sve.h includes all the SVE headers.
    - name: Missing SVE includes
      run: for f in simde/arm/sve/*.h; do grep -q "include \"sve/$(basename "$f")\"" simde/arm/sve.h || (echo "Missing $f" && exit 1); done
    # Make sure msa.h includes all the MSA headers.
    - name: Missing MSA includes
      run: for f in simde/mips/msa/*.h; do grep -q "include \"msa/$(basename "$f")\"" simde/mips/msa.h || (echo "Missing $f" && exit 1); done
    # Make sure we can find the expected header guards.  It's easy to miss this when doing C&P
    - name: Header guards
      run: |
        while IFS= read -r -d '' file
        do
          grep -q "$(echo "$file" | tr '[:lower:]' '[:upper:]' | tr '[:punct:]' '_')" "$file" || (echo "Missing or incorrect header guard in $file" && exit 1)
        done < <(find simde/*/ -name '*.h' -print0)
    # There should be an empty line at the end of every file
    - name: Newline at EOF
      run: |
        while IFS= read -r -d '' file
        do
          if [ -n "$(tail -c 1 "$file")" ]
          then echo "No newline at end of $file" && exit 1
          fi
        done < <(find simde -name '*.h' -print0)
    # Don't #ifndef ; use !defined(...) instead.  ifndef leads to annoying inconsistencies
    - name: ifndef
      run: |
        while IFS= read -r -d '' file
        do
          grep -qP '^ *# *ifndef ' "${file}" && exit 1 || exit 0
        done < <(find simde -name '*.h' -print0)
    # List of headers we want Meson to install
    - name: Meson install headers
      run: |
        while IFS= read -r -d '' file
        do
          grep -qF "$(basename "${file}" .h)" meson.build || (echo "${file} missing from top-level meson.build" && exit 1)
        done < <(find simde -name '*.h' -print0)
    # Make sure we don't accidentally use `vector ...` instead of SIMDE_POWER_ALTIVEC_VECTOR(...)
    - name: AltiVec raw vector keyword
      run: find simde/ \( -name '*.c' -o -name '*.h' \) -exec grep -nP 'vector( +)((bool|signed|unsigned) +)?(double|float|long long|long|int|short|char)' {} + && exit 1 || exit 0
    # Check indentation of preprocessor directives.
    - name: Preprocessor directive indentation
      run: find simde/*/ -name 'avx*.h' -exec pcre2grep -M '{\n#' {} + && exit 1 || exit 0
    - name: Stray `&& 0`
      run: git grep ' && 0' simde/ test/ && exit 1 || exit 0

  x86:
    runs-on: ubuntu-24.04
    strategy:
      fail-fast: false
      matrix:
        isax:
        - -DSIMDE_NATURAL_VECTOR_SIZE=256 -march=x86-64-v3 -mavx512bw -mavx512vl
        # https://en.wikipedia.org/wiki/X86-64#Microarchitecture_levels
        - -march=x86-64 -maes -mpclmul  # the x86-64 baseline is CMOV, CX8, FPU, FXSR, MMX, OSFXSR, SCE, SSE, SSE2
        - -march=x86-64-v2  # CMPXCHG16B, LAHF-SAHF, POPCNT, SSE3, SSE4_1, SSE4_2, SSSE3
        - -march=x86-64-v3  # AVX, AVX2, BMI1, BMI2, F16C, FMA, LZCNT, MOVBE, OSXSAVE
        - -march=x86-64-v4  # AVX512F, AVX512BW, AVX512CD, AVX512DQ, AVX512VL a.k.a. skylake+ (including zen4)
        include:
          - target: tgl
          - isax: -march=x86-64-v4 -mcx16 -mxsave -mpclmul -mfsgsbase -mrdrnd -mhle -mrdseed -maes -mclflushopt -mxsavec -mxsaves -msgx -mpku -msha -mrdpid -mavx512vpopcntdq -mavx512ifma -mavx512vbmi -mavx512vnni -mavx512vbmi2 -mavx512bitalg -mvpclmulqdq -mgfni -mvaes  # icelake
            target: icl
          - isax: -march=x86-64-v4 -mcx16 -mxsave -mpclmul -mfsgsbase -mrdrnd -mhle -mrdseed -maes -mclflushopt -mxsavec -mxsaves -msgx -mpku -msha -mrdpid -mavx512vpopcntdq -mavx512ifma -mavx512vbmi -mavx512vnni -mavx512vbmi2 -mavx512bitalg -mvpclmulqdq -mgfni -mvaes -mpconfig -mwbnoinvd -mclwb -mmovdiri -mmovdir64b -menqcmd -mcldemote -mptwrite -mwaitpkg -mserialize -mtsxldtrk -muintr -mavxvnni -mavx512fp16  # sapphire rapids without bf16
            # See https://github.com/simd-everywhere/simde/issues/1095
            target: spr
    env:
      CFLAGS: -Wall -Wextra -Werror ${{ matrix.isax }}
      CXXFLAGS: -Wall -Wextra -Werror ${{ matrix.isax }}
      INTEL_TARGET: ${{ matrix.target }}
    steps:
    - uses: actions/checkout@v6
      with:
        submodules: recursive
    - name: CPU Information
      run: cat /proc/cpuinfo
    - name: Install APT Dependencies
      run: |
        sudo add-apt-repository ppa:daawesomep/toolchain-backports-noble
        sudo add-apt-repository ppa:stephanosio/ccache
        sudo apt-get install -y --no-install-recommends ninja-build pipx \
          gcc-15 g++-15 ccache
        sudo apt-get satisfy -y 'binutils (>= 2.45)'
        sudo apt-get purge -y gcc g++
        sudo ln -s /usr/bin/gcc-15 /usr/bin/gcc
        sudo ln -s /usr/bin/g++-15 /usr/bin/g++
        pipx install meson==0.55.1
    - name: ccache
      uses: hendrikmuhs/ccache-action@v1.2
      with:
        key: ${{ github.job }}-${{ matrix.isax }}
        verbose: 2
    - name: add ccache to the build path
      run: |
        export PATH="/usr/lib/ccache:/usr/local/opt/ccache/libexec:$PATH"
    - name: Configure
      run: meson setup build || (cat build/meson-logs/meson-log.txt ; false)
    - name: Test run native?
      run: |
        test/check-flags.sh query && echo Tests with "$CFLAGS" will be run natively
        test/check-flags.sh query || echo Tests with "$CFLAGS" will be run using SDE
    - name: Build
      run: ninja -C build -v
    - name: Test
      run: |
        # shellcheck disable=SC2046
        meson test -C build --print-errorlogs --wrapper "${GITHUB_WORKSPACE}/test/check-flags.sh sde" $(meson test -C build --list | grep -v emul)

  x86-xop:
    runs-on: ubuntu-24.04
    strategy:
      fail-fast: false
    env:
      CFLAGS: -Wall -Wextra -Werror -march=bdver2
      CXXFLAGS: -Wall -Wextra -Werror -march=bdver2
    steps:
    - uses: actions/checkout@v6
      with:
        submodules: recursive
    - name: CPU Information
      run: cat /proc/cpuinfo
    - name: Install APT Dependencies
      run: |
        sudo add-apt-repository ppa:daawesomep/toolchain-backports-noble
        sudo add-apt-repository ppa:stephanosio/ccache
        sudo apt-get install -y --no-install-recommends ninja-build pipx \
          g++-15 gcc-15 qemu-user-static ccache
        sudo apt-get satisfy -y 'binutils (>= 2.45)'
        sudo apt-get purge -y gcc g++
        sudo ln -s /usr/bin/gcc-15 /usr/bin/gcc
        sudo ln -s /usr/bin/g++-15 /usr/bin/g++
        pipx install meson==0.55.1
    - name: ccache
      uses: hendrikmuhs/ccache-action@v1.2
      with:
        key: ${{ github.job }}
        verbose: 2
    - name: add ccache to the build path
      run: |
        export PATH="/usr/lib/ccache:/usr/local/opt/ccache/libexec:$PATH"
    - name: Configure
      run: meson setup build || (cat build/meson-logs/meson-log.txt ; false)
    - name: Build
      run: ninja -C build -v
    # can't test until we find a combination of `gcc -march=` and `qemu -cpu` that both enable XOP and allows qemu to test it
    # - name: Test
    #   run: meson test -C build --print-errorlogs --wrapper "qemu-amd64-static -cpu Opteron_G5-v1"

  emscripten:
    runs-on: ubuntu-24.04
    strategy:
      matrix:
        variant:
          - "32"
          - "64"
          - "32-relaxed"
          - "64-relaxed"
    steps:
    - uses: actions/checkout@v6
      with:
        submodules: recursive
    - name: Install APT Dependencies
      run: |
        sudo add-apt-repository ppa:stephanosio/ccache
        sudo apt-get install -y --no-install-recommends ninja-build pipx ccache
        pipx install meson==0.55.1
    - name: ccache
      uses: hendrikmuhs/ccache-action@v1.2
      with:
        key: ${{ github.job }}
        verbose: 2
    - name: Install emscripten
      run: |
        git clone https://github.com/emscripten-core/emsdk.git /opt/emsdk
        cd /opt/emsdk
        ./emsdk install latest  # FIXME, revert to tot
        ./emsdk activate latest  # FIXME, revert to tot
        source emsdk_env.sh
    - name: Install v8
      run: |
        sudo npm install jsvu -g
        jsvu --os=linux64 --engines=v8
        sudo ln -s "$HOME/.jsvu/bin/v8" /usr/bin/v8
        ls -l /usr/bin/v8
        ls -l ~/.jsvu || true
        /usr/bin/v8 --help
    - name: Configure
      run: meson setup build --optimization 2 --cross-file docker/cross-files/emscripten${{ matrix.variant }}.cross
    - name: Build
      run: meson compile -C build --verbose
    - name: Test
      run: meson test -C build --print-errorlogs

  native-aliases:
    runs-on: ubuntu-24.04
    env:
      CFLAGS: -DSIMDE_ENABLE_NATIVE_ALIASES -DSIMDE_NATIVE_ALIASES_TESTING -Wall -Wextra -Werror -pedantic
      CXXFLAGS: -DSIMDE_ENABLE_NATIVE_ALIASES -DSIMDE_NATIVE_ALIASES_TESTING -Wall -Wextra -Werror -pedantic
    steps:
    - uses: actions/checkout@v6
      with:
        submodules: recursive
    - id: cpu
      name: CPU Information
      run: cat /proc/cpuinfo
    - name: Install APT Dependencies
      run: |
        sudo add-apt-repository ppa:daawesomep/toolchain-backports-noble
        sudo add-apt-repository ppa:stephanosio/ccache
        sudo apt-get -y --no-install-recommends install libxml2-utils \
          ninja-build pipx ccache gcc-15 g++-15
        sudo apt-get satisfy -y 'binutils (>= 2.45)'
        sudo apt-get purge -y gcc g++
        sudo ln -s /usr/bin/gcc-15 /usr/bin/gcc
        sudo ln -s /usr/bin/g++-15 /usr/bin/g++
        pipx install meson==0.55.1
    - name: ccache
      uses: hendrikmuhs/ccache-action@v1.2
      with:
        key: ${{ github.job }}
        verbose: 2
    - name: add ccache to the build path
      run: |
        export PATH="/usr/lib/ccache:/usr/local/opt/ccache/libexec:$PATH"
    - name: Convert
      run: ./test/native-aliases.sh
    - name: Configure
      run: meson setup build
    - name: Build
      run: ninja -C build -v
    - name: Test
      run: ninja -C build -v test

  sleef:
    runs-on: ubuntu-24.04
    env:
      CFLAGS: -march=native -Wall -Wextra -Werror
      CXXFLAGS: -march=native -Wall -Wextra -Werror
    steps:
    - uses: actions/checkout@v6
      with:
        submodules: recursive
    - id: cpu
      name: CPU Information
      run: |
        cat /proc/cpuinfo
    - name: Install APT Dependencies
      run: |
        sudo add-apt-repository ppa:daawesomep/toolchain-backports-noble
        sudo add-apt-repository ppa:stephanosio/ccache
        sudo apt-get install -y --no-install-recommends ninja-build libsleef-dev \
          pipx ccache gcc-15 g++-15
        sudo apt-get satisfy -y 'binutils (>= 2.45)'
        sudo apt-get purge -y gcc g++
        sudo ln -s /usr/bin/gcc-15 /usr/bin/gcc
        sudo ln -s /usr/bin/g++-15 /usr/bin/g++
        pipx install meson==0.55.1
    - name: ccache
      uses: hendrikmuhs/ccache-action@v1.2
      with:
        key: ${{ github.job }}
        verbose: 2
    - name: add ccache to the build path
      run: |
        export PATH="/usr/lib/ccache:/usr/local/opt/ccache/libexec:$PATH"
    - name: Configure
      run: meson setup build -Dsleef=enabled
    - name: Build
      run: ninja -C build -v
    - name: Test
      run: |
        # shellcheck disable=SC2046
        meson test -C build --print-errorlogs $(meson test -C build --list | grep -v emul)

  gcc:
    strategy:
      fail-fast: false
      matrix:
        include:
        - version: 9
          distro: ubuntu-24.04
        - version: 10
          distro: ubuntu-24.04
        - version: 10
          distro: ubuntu-24.04
          arch_flags: -ffast-math
        - version: 11
          distro: ubuntu-24.04
        - version: 11
          distro: ubuntu-24.04
          arch_flags: -ffast-math
        - version: 11
          distro:  ubuntu-24.04-arm
        - version: 12
          distro: ubuntu-24.04
        - version: 12
          distro: ubuntu-24.04
          arch_flags: -ffast-math
        - version: 12
          distro: ubuntu-24.04-arm
        - version: 13
          distro: ubuntu-24.04
        - version: 13
          distro: ubuntu-24.04
          arch_flags: -ffast-math
        - version: 13
          distro: ubuntu-24.04-arm
        - version: 14
          distro: ubuntu-24.04
        - version: 14
          distro: ubuntu-24.04
          arch_flags: -ffast-math
        - version: 14
          distro: ubuntu-24.04-arm
        - version: 15
          distro: ubuntu-24.04
        - version: 15
          distro: ubuntu-24.04
          arch_flags: -ffast-math
        - version: 15
          distro: ubuntu-24.04-arm
    runs-on: ${{ matrix.distro }}
    env:
      CFLAGS: ${{ matrix.arch_flags }} -march=native -Wall -Wextra -Werror
      CXXFLAGS: ${{ matrix.arch_flags }} -march=native -Wall -Wextra -Werror
    steps:
    - uses: actions/checkout@v6
      with:
        submodules: recursive
    - id: cpu
      name: CPU Information
      run: |
        cat /proc/cpuinfo
    - name: Install APT Dependencies
      run: |
        sudo add-apt-repository ppa:stephanosio/ccache
        sudo add-apt-repository ppa:daawesomep/toolchain-backports-noble
        sudo add-apt-repository ppa:ubuntu-toolchain-r/test
        sudo add-apt-repository ppa:ubuntu-toolchain-r/ppa
        sudo add-apt-repository ppa:cppiber/build-depends
        sudo apt-get -y install --no-install-recommends gcovr pipx ninja-build \
          gcc-${{ matrix.version }} g++-${{ matrix.version }} ccache
        sudo apt-get -y purge g++ gcc
        pipx install meson==0.55.1
    - if: ${{ matrix.version == '15' }}
      run: sudo apt-get satisfy -y 'binutils (>= 2.45)'
    - name: ccache
      uses: hendrikmuhs/ccache-action@v1.2
      with:
        key: ${{ github.job }}-${{ matrix.version }}-${{ matrix.distro }}-${{ matrix.arch_flags }}
        verbose: 2
    - name: add ccache to the build path
      run: |
        export PATH="/usr/lib/ccache:/usr/local/opt/ccache/libexec:$PATH"
        sudo ln -s /usr/bin/gcc-${{ matrix.version }} /usr/bin/gcc
        sudo ln -s /usr/bin/g++-${{ matrix.version }} /usr/bin/g++
        sudo ln -s /usr/bin/gcov-${{ matrix.version }} /usr/bin/gcov
    - name: Configure
      run: meson setup build
    - name: Build
      run: meson compile -C build --verbose
    - name: Test
      run: |
        # shellcheck disable=SC2046
        meson test -C build --print-errorlogs $(meson test -C build --list | grep -v emul)

  gcc-qemu:
    strategy:
      fail-fast: false
      matrix:
        include:
        - version: 11
          cross: aarch64
          arch_gnu: aarch64
          arch_deb: arm64
          distro: ubuntu-22.04
        - version: 14
          cross: armel
          arch_gnu_abi: eabi
          arch_deb: armel
          arch_gnu: arm
          distro: ubuntu-24.04
        - version: 15
          cross: armv7
          arch_gnu: arm
          arch_gnu_abi: eabihf
          arch_deb: armhf
          distro: ubuntu-24.04
        - version: 15
          extra: -no-extras
          cross: aarch64
          arch_gnu: aarch64
          arch_deb: arm64
          distro: ubuntu-24.04
        - version: 15
          cross: aarch64
          arch_gnu: aarch64
          arch_deb: arm64
          distro: ubuntu-24.04
        - extra: -32bit
          version: 15
          cross: armv8
          arch_gnu: arm
          arch_gnu_abi: eabihf
          arch_deb: armhf
          distro: ubuntu-24.04
        - version: 15
          cross: riscv64
          arch_gnu: riscv64
          arch_deb: riscv64
          distro: ubuntu-24.04
        - extra: -O3
          version: 15
          cross: riscv64
          arch_gnu: riscv64
          arch_deb: riscv64
          distro: ubuntu-24.04
        - version: 15
          cross: s390x
          arch_gnu: s390x
          arch_deb: s390x
          distro: ubuntu-24.04
        - version: 14
          cross: power9
          arch_gnu: powerpc64le
          arch_deb: ppc64el
          distro: ubuntu-24.04
        - version: 14
          cross: loongarch64
          arch_gnu: loongarch64
          arch_deb: loong64
          distro: ubuntu-24.04
        # - version: 14
        #   cross: mips64el
        #   arch_gnu: mips64el
        #   arch_gnu_abi: abi64
        #   arch_deb: mips64el
        #   distro: ubuntu-24.04
    runs-on: ${{ matrix.distro }}
    steps:
    - uses: actions/checkout@v6
      with:
        submodules: recursive
    - name: CPU Information
      run: cat /proc/cpuinfo
    - if: ${{ matrix.distro == 'ubuntu-24.04' }}
      run:
        sudo add-apt-repository ppa:daawesomep/toolchain-backports-noble
    - name: Install APT Dependencies
      run: |
        sudo add-apt-repository ppa:stephanosio/ccache
        sudo add-apt-repository ppa:ubuntu-toolchain-r/ppa
        sudo apt-get -y --no-install-recommends install ccache ninja-build \
          gcc-${{ matrix.version }}-${{ matrix.arch_gnu }}-linux-gnu${{ matrix.arch_gnu_abi }} \
          g++-${{ matrix.version }}-${{ matrix.arch_gnu }}-linux-gnu${{ matrix.arch_gnu_abi }} binfmt-support \
          qemu-user-static pipx libc6-${{ matrix.arch_deb }}-cross libstdc++-${{ matrix.version }}-dev-${{ matrix.arch_deb }}-cross
        pipx install meson==0.55.1
    - name: ccache
      uses: hendrikmuhs/ccache-action@v1.2
      with:
        key: ${{ github.job }}-${{ matrix.version}}${{ matrix.extra }}-${{ matrix.distro }}-${{ matrix.cross }}
        verbose: 2
    - name: add ccache to the build path
      run: |
        export PATH="/usr/lib/ccache:/usr/local/opt/ccache/libexec:$PATH"
    - name: Configure
      run: meson setup --cross-file=docker/cross-files/${{ matrix.cross }}-gcc-${{ matrix.version }}${{ matrix.extra}}-ccache.cross build
    - name: Build
      run: ninja -C build -v
    - name: Test
      run: |
        # shellcheck disable=SC2046
        meson test -C build --print-errorlogs --print-errorlogs $(meson test -C build --list | grep -v emul)

  clang17-qemu-rvv:
    strategy:
      fail-fast: false
      matrix:
        include:
        - version: 17  # not yet passing with clang 18.1.3
          cross: riscv64+rvv_vlen128_elen64
          arch_gnu: riscv64
          arch_deb: riscv64
          distro: ubuntu-24.04
        - version: 17  # not yet passing with clang 18.1.3
          cross: riscv64+rvv_vlen256_elen64
          arch_gnu: riscv64
          arch_deb: riscv64
          distro: ubuntu-24.04
        - version: 17  # not yet passing with clang 18.1.3
          cross: riscv64+rvv_vlen512_elen64
          arch_gnu: riscv64
          arch_deb: riscv64
          distro: ubuntu-24.04
    runs-on: ${{ matrix.distro }}
    steps:
    - uses: actions/checkout@v6
      with:
        submodules: recursive
    - name: CPU Information
      run: cat /proc/cpuinfo
    - name: Install APT Dependencies
      run: |
        #add-apt-repository ppa:savoury1/virtualisation
        #add-apt-repository ppa:savoury1/display
        sudo add-apt-repository ppa:stephanosio/ccache
        sudo apt-get install -y --no-install-recommends ccache ninja-build pkg-config \
          qemu-user-static clang-${{ matrix.version }} binfmt-support \
          libc6-${{ matrix.arch_deb }}-cross meson llvm-${{ matrix.version }} \
          libstdc++-12-dev-${{ matrix.arch_deb }}-cross \
          binutils-${{ matrix.arch_gnu }}-linux-gnu
    - name: ccache
      uses: hendrikmuhs/ccache-action@v1.2
      with:
        key: ${{ github.job }}-${{ matrix.distro }}-${{ matrix.cross }}
        verbose: 2
    - name: add ccache to the build path
      run: |
        export PATH="/usr/lib/ccache:/usr/local/opt/ccache/libexec:$PATH"
    - name: Configure
      run: |
        meson setup --cross-file=docker/cross-files/${{ matrix.cross }}-clang-${{ matrix.version }}-ccache.cross build \
          || (cat build/meson-logs/meson-log.txt ; false)
    - name: Build
      run: ninja -C build -v
    - name: Test
      run: |
        # shellcheck disable=SC2046
        meson test -C build --print-errorlogs --print-errorlogs $(meson test -C build --list | grep -v emul)

  clang18-qemu-rvv:
    strategy:
      fail-fast: false
      matrix:
        include:
        - version: 18
          cross: riscv64+rvv_vlen128_elen64_zvfh
          arch_gnu: riscv64
          arch_deb: riscv64
          distro: ubuntu-24.04
        - version: 18
          cross: riscv64+rvv_vlen256_elen64_zvfh
          arch_gnu: riscv64
          arch_deb: riscv64
          distro: ubuntu-24.04
        - version: 18
          cross: riscv64+rvv_vlen512_elen64_zvfh
          arch_gnu: riscv64
          arch_deb: riscv64
          distro: ubuntu-24.04
    runs-on: ${{ matrix.distro }}
    steps:
    - uses: actions/checkout@v6
      with:
        submodules: recursive
    - name: CPU Information
      run: cat /proc/cpuinfo
    - name: Install APT Dependencies
      run: |
        sudo add-apt-repository ppa:stephanosio/ccache
        sudo apt-get install -y --no-install-recommends \
          ninja-build pkg-config qemu-user-static clang-${{ matrix.version }} \
          binfmt-support libc6-${{ matrix.arch_deb }}-cross meson \
          libstdc++-12-dev-${{ matrix.arch_deb }}-cross \
          binutils-${{ matrix.arch_gnu }}-linux-gnu ccache
    - name: ccache
      uses: hendrikmuhs/ccache-action@v1.2
      with:
        key: ${{ github.job }}-${{ matrix.distro }}-${{ matrix.cross }}
        verbose: 2
    - name: add ccache to the build path
      run: |
        export PATH="/usr/lib/ccache:/usr/local/opt/ccache/libexec:$PATH"
    - name: Configure
      run: |
        meson setup --cross-file=docker/cross-files/${{ matrix.cross }}-clang-${{ matrix.version }}-ccache.cross build \
          || (cat build/meson-logs/meson-log.txt ; false)
    - name: Build
      run: ninja -C build -v
    - name: Test
      run: |
        # shellcheck disable=SC2046
        meson test -C build --print-errorlogs --print-errorlogs $(meson test -C build --list | grep -v emul)

  clang-qemu:
    strategy:
      fail-fast: false
      matrix:
        include:
        # - version: 18
        #   cross: mips64el
        #   arch_deb: mips64el
        #   arch_gnu: mips64el
        #   arch_gnu_abi: abi64
        #   distro: ubuntu-24.04
        - version: 22
          cross: armv7
          arch_deb: armhf
          arch_gnu_abi: eabihf
          arch_gnu: arm
          distro: ubuntu-24.04
        - version: 22
          cross: aarch64
          arch_gnu: aarch64
          arch_deb: arm64
          distro: ubuntu-24.04
        - version: 22
          extra: -no-extras
          cross: aarch64
          arch_gnu: aarch64
          arch_deb: arm64
          distro: ubuntu-24.04
        - version: 22
          cross: armel
          arch_gnu_abi: eabi
          arch_deb: armel
          arch_gnu: arm
          distro: ubuntu-24.04
        - version: 22
          cross: riscv64
          arch_gnu: riscv64
          arch_deb: riscv64
          distro: ubuntu-24.04
        - version: 20
          cross: s390x
          arch_gnu: s390x
          arch_deb: s390x
          distro: ubuntu-24.04
        - version: 22
          cross: ppc64el
          arch_deb: ppc64el
          arch_gnu: powerpc64le
          distro: ubuntu-24.04
        - version: 22
          cross: loongarch64
          arch_deb: loong64
          arch_gnu: loongarch64
          distro: ubuntu-24.04
    runs-on: ${{ matrix.distro }}
    steps:
    - uses: actions/checkout@v6
      with:
        submodules: recursive
    - name: CPU Information
      run: cat /proc/cpuinfo
    - name: Install APT Dependencies
      run: |
        sudo add-apt-repository ppa:stephanosio/ccache
        wget https://apt.llvm.org/llvm.sh
        chmod +x llvm.sh
        sudo ./llvm.sh ${{ matrix.version }}
        sudo apt-get -y --no-install-recommends install ccache ninja-build \
          binfmt-support clang-${{ matrix.version }} llvm-${{ matrix.version }} lld-${{ matrix.version }} \
          qemu-user-static pipx libc6-${{ matrix.arch_deb }}-cross libstdc++-14-dev-${{ matrix.arch_deb }}-cross \
          binutils-${{ matrix.arch_gnu }}-linux-gnu${{ matrix.arch_gnu_abi }}
        pipx install meson
    - name: ccache
      uses: hendrikmuhs/ccache-action@v1.2
      with:
        key: ${{ github.job }}-${{ matrix.version }}${{ matrix.extra }}-${{ matrix.cross }}
        verbose: 2
    - name: add ccache to the build path
      run: |
        export PATH="/usr/lib/ccache:/usr/local/opt/ccache/libexec:$PATH"
    - name: Configure
      run: |
        meson setup --cross-file=docker/cross-files/${{ matrix.cross }}-clang-${{ matrix.version }}${{ matrix.extra }}-ccache.cross build \
          || (cat build/meson-logs/meson-log.txt ; false)
    - name: Build
      run: ninja -C build -v
    - name: Test
      run: |
        # shellcheck disable=SC2046
        meson test -C build --print-errorlogs --print-errorlogs $(meson test -C build --list | grep -v emul)

  clang:
    strategy:
      fail-fast: false
      matrix:
        include:
        # clang-10 is tested on Semaphore-CI https://nemequ.semaphoreci.com/projects/simde
        - version: "11"
          distro: ubuntu-22.04
        - version: "12"
          distro: ubuntu-22.04
        - version: "12"
          distro: ubuntu-22.04
          arch_flags: -ffast-math
        - version: "13"
          distro: ubuntu-22.04
        - version: "13"
          distro: ubuntu-22.04
          arch_flags: -ffast-math
        - version: "14"
          distro: ubuntu-24.04
        - version: "14"
          distro: ubuntu-24.04
          arch_flags: -ffast-math
        - version: "14"
          distro: ubuntu-24.04-arm
          arch_flags: -march=armv8-a+fp+aes+sha2
          # grep Features < /proc/cpuinfo | head -n 1 | awk '-F: ' '{print $2}' | sed 's/asimd //;s/evtstrm //;s/pmull //;s/sha1 //;s/crc32 //;s/atomics //;s/fphp //;s/asimd.. //g;s/cpuid //;s/asimd... //g;s/jscvt //;s/fcma //;s/lrcpc //;s/dcpop //;s/sm3 //;s/sha512 //;s/uscat //;s/ilrcpc //;s/pac. //g;s/dcpodp //;s/sveaes //;s/svebitperm //;s/svesha3 //;s/svesm4 //;s/flagm2 //;s/frint //;s/svei8mm //;s/svebf16 //' | tr ' ' '+'
        - version: "14"
          distro: ubuntu-24.04-arm
          arch_flags: -ffast-math -march=armv8-a+fp+aes+sha2
        - version: "15"
          distro: ubuntu-24.04
        - version: "15"
          distro: ubuntu-24.04
          arch_flags: -ffast-math
        - version: "15"
          distro: ubuntu-24.04-arm
        - version: "15"
          distro: ubuntu-24.04-arm
          arch_flags: -ffast-math
        - version: "16"
          distro: ubuntu-24.04
          arch_flags: -Wno-unsafe-buffer-usage
        - version: "16"
          distro: ubuntu-24.04
          arch_flags: -ffast-math -Wno-unsafe-buffer-usage
        - version: "16"
          distro: ubuntu-24.04-arm
          arch_flags: -Wno-unsafe-buffer-usage
        - version: "16"
          distro: ubuntu-24.04-arm
          arch_flags: -ffast-math -Wno-unsafe-buffer-usage
        - version: "17"
          distro: ubuntu-24.04
          arch_flags: -Wno-unsafe-buffer-usage
        - version: "17"
          distro: ubuntu-24.04
          arch_flags: -ffast-math -Wno-unsafe-buffer-usage
        - version: "17"
          distro: ubuntu-24.04
          arch_flags: -Wno-unsafe-buffer-usage -O2
        - version: "17"
          distro: ubuntu-24.04-arm
          arch_flags: -Wno-unsafe-buffer-usage
        - version: "17"
          distro: ubuntu-24.04-arm
          arch_flags: -ffast-math -Wno-unsafe-buffer-usage
        - version: "17"
          distro: ubuntu-24.04-arm
          arch_flags: -Wno-unsafe-buffer-usage -O2
        - version: "18"
          distro: ubuntu-24.04
          arch_flags: -Wno-unsafe-buffer-usage -Wno-switch-default
        - version: "18"
          distro: ubuntu-24.04
          arch_flags: -ffast-math -Wno-unsafe-buffer-usage -Wno-switch-default -Wno-nan-infinity-disabled
        - version: "18"
          distro: ubuntu-24.04
          arch_flags: -Wno-unsafe-buffer-usage -Wno-switch-default -O2
        - version: "18"
          distro: ubuntu-24.04-arm
          arch_flags: -Wno-unsafe-buffer-usage -Wno-switch-default
        - version: "18"
          distro: ubuntu-24.04-arm
          arch_flags: -ffast-math -Wno-unsafe-buffer-usage -Wno-switch-default -Wno-nan-infinity-disabled
        - version: "18"
          distro: ubuntu-24.04-arm
          arch_flags: -Wno-unsafe-buffer-usage -Wno-switch-default -O2
        - version: "19"
          distro: ubuntu-24.04
          arch_flags: -Wno-unsafe-buffer-usage -Wno-switch-default
        - version: "19"
          distro: ubuntu-24.04
          arch_flags: -ffast-math -Wno-unsafe-buffer-usage -Wno-switch-default -Wno-nan-infinity-disabled
        - version: "19"
          distro: ubuntu-24.04
          arch_flags: -Wno-unsafe-buffer-usage -Wno-switch-default -O2
        - version: "19"
          distro: ubuntu-24.04-arm
          arch_flags: -Wno-unsafe-buffer-usage -Wno-switch-default
        - version: "19"
          distro: ubuntu-24.04-arm
          arch_flags: -ffast-math -Wno-unsafe-buffer-usage -Wno-switch-default -Wno-nan-infinity-disabled
        - version: "19"
          distro: ubuntu-24.04-arm
          arch_flags: -Wno-unsafe-buffer-usage -Wno-switch-default -O2
        - version: "20"
          distro: ubuntu-24.04
          arch_flags: -Wno-unsafe-buffer-usage -Wno-switch-default
        - version: "20"
          distro: ubuntu-24.04
          arch_flags: -ffast-math -Wno-unsafe-buffer-usage -Wno-switch-default -Wno-nan-infinity-disabled
        - version: "20"
          distro: ubuntu-24.04
          arch_flags: -Wno-unsafe-buffer-usage -Wno-switch-default -O2
        - version: "20"
          distro: ubuntu-24.04-arm
          arch_flags: -Wno-unsafe-buffer-usage -Wno-switch-default
        - version: "20"
          distro: ubuntu-24.04-arm
          arch_flags: -ffast-math -Wno-unsafe-buffer-usage -Wno-switch-default -Wno-nan-infinity-disabled
        - version: "20"
          distro: ubuntu-24.04-arm
          arch_flags: -Wno-unsafe-buffer-usage -Wno-switch-default -O2
        - version: "21"
          distro: ubuntu-24.04
          arch_flags: -Wno-unsafe-buffer-usage -Wno-switch-default -Wno-c++-keyword
        - version: "21"
          distro: ubuntu-24.04
          arch_flags: -ffast-math -Wno-unsafe-buffer-usage -Wno-switch-default -Wno-c++-keyword -Wno-nan-infinity-disabled
        - version: "21"
          distro: ubuntu-24.04
          arch_flags: -Wno-unsafe-buffer-usage -Wno-switch-default -Wno-c++-keyword -O2
        - version: "21"
          distro: ubuntu-24.04-arm
          arch_flags: -Wno-unsafe-buffer-usage -Wno-switch-default -Wno-c++-keyword
        - version: "21"
          distro: ubuntu-24.04-arm
          arch_flags: -ffast-math -Wno-unsafe-buffer-usage -Wno-switch-default -Wno-c++-keyword -Wno-nan-infinity-disabled
        - version: "21"
          distro: ubuntu-24.04-arm
          arch_flags: -Wno-unsafe-buffer-usage -Wno-switch-default -Wno-c++-keyword -O2
        - version: "22"
          distro: ubuntu-24.04
          arch_flags: -Wno-unsafe-buffer-usage -Wno-switch-default -Wno-c++-keyword
        - version: "22"
          distro: ubuntu-24.04
          arch_flags: -ffast-math -Wno-unsafe-buffer-usage -Wno-switch-default -Wno-c++-keyword -Wno-nan-infinity-disabled
        - version: "22"
          distro: ubuntu-24.04
          arch_flags: -Wno-unsafe-buffer-usage -Wno-switch-default -Wno-c++-keyword -O2
        - version: "22"
          distro: ubuntu-24.04-arm
          arch_flags: -Wno-unsafe-buffer-usage -Wno-switch-default -Wno-c++-keyword
        - version: "22"
          distro: ubuntu-24.04-arm
          arch_flags: -ffast-math -Wno-unsafe-buffer-usage -Wno-switch-default -Wno-c++-keyword -Wno-nan-infinity-disabled
        - version: "22"
          distro: ubuntu-24.04-arm
          arch_flags: -Wno-unsafe-buffer-usage -Wno-switch-default -Wno-c++-keyword -O2
    runs-on: ${{ matrix.distro }}
    env:
      CFLAGS: -march=native ${{ matrix.arch_flags }} -Wall -Weverything -Werror -fno-lax-vector-conversions
      CXXFLAGS: -march=native ${{ matrix.arch_flags }} -Wall -Weverything -Werror -fno-lax-vector-conversions
    steps:
    - uses: actions/checkout@v6
      with:
        submodules: recursive
    - id: cpu
      name: CPU Information
      run: |
        cat /proc/cpuinfo
    - name: Install PPAs for Ubuntu 22.04
      if: ${{ matrix.distro == 'ubuntu-22.04' }}
      run: |
        sudo add-apt-repository ppa:ubuntu-toolchain-r/test
        sudo add-apt-repository ppa:savoury1/build-tools
        sudo add-apt-repository ppa:savoury1/display
        sudo add-apt-repository ppa:savoury1/llvm-defaults-16
    - name: Install newer clang
      if: ${{ matrix.version == '21' || matrix.version == '22' }}
      run: |
        wget https://apt.llvm.org/llvm.sh
        chmod +x llvm.sh
        sudo ./llvm.sh ${{ matrix.version }}
    - name: Install APT Dependencies
      run: |
        sudo add-apt-repository ppa:stephanosio/ccache
        sudo add-apt-repository ppa:canonical-x/x-staging
        sudo add-apt-repository ppa:ubuntu-toolchain-r/ppa
        sudo apt-get -y --no-install-recommends install gcovr ninja-build pipx \
          clang-${{ matrix.version }} ccache
        pipx install meson==0.55.1
        sudo rm /usr/bin/gcc /usr/bin/g++ /usr/bin/cc /usr/bin/c++
        sudo ln -s "$(command -v clang-${{ matrix.version }})" /usr/bin/cc
        sudo ln -s "$(command -v clang-${{ matrix.version }})" /usr/bin/c++
    - name: ccache
      uses: hendrikmuhs/ccache-action@v1.2
      with:
        key: ${{ github.job }}-${{ matrix.version }}-${{ matrix.distro }}-${{ matrix.arch_flags }}
        verbose: 2
    - name: add ccache to the build path
      run: |
        export PATH="/usr/lib/ccache:/usr/local/opt/ccache/libexec:$PATH"
    - name: Configure
      run: meson setup build || (cat build/meson-logs/meson-log.txt ; false)
    - name: Build
      run: meson compile -C build --verbose
    - name: Test
      run: |
        # shellcheck disable=SC2046
        meson test -C build --print-errorlogs $(meson test -C build --list | grep -v emul)

  macos:
    strategy:
      fail-fast: false
      matrix:
        # https://www.jessesquires.com/blog/2020/01/06/selecting-an-xcode-version-on-github-ci/
        # https://github.com/actions/runner-images/blob/main/images/macos/macos-14-arm64-Readme.md#xcode
        # https://github.com/actions/runner-images/blob/main/images/macos/macos-15-arm64-Readme.md#xcode
        # https://trac.macports.org/wiki/XcodeVersionInfo
        include:
          - xcode: "15.2"
            os: macos-14  # arm64
            arch_flags: -march=native -Wno-poison-system-directories
              # "-Wno-poison-system-directories": due to meson test
              # "-march=native": without, or with -mcpu=apple-m1 then unavailable __ARM_FEATURE_s get enabled
          - xcode: "15.3"
            os: macos-14  # arm64
            arch_flags: -march=native -Wno-poison-system-directories
              # "-Wno-poison-system-directories": due to meson test
              # "-march=native": without, or with -mcpu=apple-m1 then unavailable __ARM_FEATURE_s get enabled
          - xcode: "15.4"  # clang 15?
            os: macos-14  # arm64
            arch_flags: -march=native -Wno-poison-system-directories
              # "-Wno-poison-system-directories": due to meson test
              # "-march=native": without, or with -mcpu=apple-m1 then unavailable __ARM_FEATURE_s get enabled
          - xcode: "16.0"  # clang 16?
            os: macos-15  # arm64
            arch_flags: -march=native -Wno-poison-system-directories
              # "-Wno-poison-system-directories": due to meson test
              # "-march=native": without, or with -mcpu=apple-m1 then unavailable __ARM_FEATURE_s get enabled
          - xcode: "26.2"  # clang 17?
            os: macos-26  # arm64
            arch_flags: -Wno-poison-system-directories -Wno-switch-default
              # "-Wno-poison-system-directories": due to meson test
    runs-on: ${{ matrix.os }}
    env:
      DEVELOPER_DIR:  /Applications/Xcode_${{ matrix.xcode }}.app
      CFLAGS: ${{ matrix.arch_flags }} -Wall -Weverything -Werror -Wno-complex-component-init
      CXXFLAGS: ${{ matrix.arch_flags }} -Wall -Weverything -Werror -Wno-complex-component-init
    steps:
    - uses: actions/checkout@v6
      with:
        submodules: recursive
    # - name: System Information
    #   run: system_profiler
    - name: Compiler version
      run: cc --version
    - name: ccache
      uses: hendrikmuhs/ccache-action@v1.2
      with:
        key: ${{ github.job }}-${{ matrix.os }}-${{ matrix.xcode }}
        verbose: 2
    - name: Python install bug workaround # https://github.com/actions/setup-python/issues/577
      run: |
          find /usr/local/bin -type l -exec sh -c 'readlink -f "$1" \
          | grep -q ^/Library/Frameworks/Python.framework/Versions/' _ {} \; -exec rm -v {} \;
    - name: Install Homebrew Dependencies
      run: brew install meson ninja
    - name: Configure
      run: meson setup build || (cat build/meson-logs/meson-log.txt ; false)
    - name: Build
      run: ninja -C build -v
    - name: Test
      run: |
        # shellcheck disable=SC2046
        meson test -C build --print-errorlogs $(meson test -C build --list | grep -v emul)

  icc:
    runs-on: ubuntu-24.04
    env:
      CC: /home/runner/.local/bin/icx
      CXX: /home/runner/.local/bin/icpx
      CFLAGS: -Wall -Werror -march=native -fp-model precise
      CXXFLAGS: -Wall -Werror -march=native -fp-model precise
    steps:
    - uses: actions/checkout@v6
    - name: CPU Information
      run: cat /proc/cpuinfo
    - name: Install APT Dependencies
      run: sudo apt-get install -y --no-install-recommends ninja-build pipx && pipx install meson==0.64
    - name: Install ICC
      run: |
        # download the key to system keyring
        wget -O- https://apt.repos.intel.com/intel-gpg-keys/GPG-PUB-KEY-INTEL-SW-PRODUCTS.PUB \
        | gpg --dearmor | sudo tee /usr/share/keyrings/oneapi-archive-keyring.gpg > /dev/null
        # add signed entry to apt sources and configure the APT client to use Intel repository:
        echo "deb [signed-by=/usr/share/keyrings/oneapi-archive-keyring.gpg] https://apt.repos.intel.com/oneapi all main" | sudo tee /etc/apt/sources.list.d/oneAPI.list
        sudo apt-get update
        sudo apt-get install -y --no-install-recommends intel-oneapi-compiler-dpcpp-cpp
        mkdir -p ~/.local/bin/ || true
        for exe in icx icpx; do
          # shellcheck disable=SC2016
          printf '#!/bin/bash\nARGS="$@"\nsource /opt/intel/oneapi/compiler/latest/env/vars.sh >/dev/null\n%s ${ARGS}\n' "${exe}" > ~/.local/bin/"${exe}"
          chmod 0755 ~/.local/bin/"${exe}";
        done
    - name: Configure
      run: meson setup build
    - name: Build
      run: ninja -C build -v
    - name: Test
      run: |
        # shellcheck disable=SC2046
        meson test -C build --print-errorlogs $(meson test -C build --list | grep -v emul)