name: GCC-16

on:
  push:
    branches:
      - 'master'
  workflow_dispatch: {}
  repository_dispatch:
    types: [on-demand-gcc-16]

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

jobs:
  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
      if: ${{ github.event_name != 'repository_dispatch' }}
      with:
        submodules: recursive
    - uses: actions/checkout@v6
      if: ${{ github.event_name == 'repository_dispatch' }}
      with:
        submodules: recursive
        repository: ${{ github.event.client_payload.repository }}
        ref: ${{ github.event.client_payload.ref }}
    - name: CPU Information
      run: cat /proc/cpuinfo
    - name: Install APT Dependencies
      run: |
        sudo add-apt-repository ppa:misterc/gcc-snapshot-latest-lts
        # sudo add-apt-repository ppa:stephanosio/ccache
        sudo apt-get install -y --no-install-recommends ninja-build pipx
        sudo apt-get install -y ${{ github.event.client_payload.extra }} gcc-16 g++-16 # ccache
        sudo apt-get purge -y gcc g++
        sudo ln -s /usr/bin/gcc-16 /usr/bin/gcc
        sudo ln -s /usr/bin/g++-16 /usr/bin/g++
        pipx install meson==0.55.1
    # - name: ccache
    #   uses: hendrikmuhs/ccache-action@v1.2
    #   with:
    #     key: gcc-16-${{ 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
      if: ${{ github.event_name != 'repository_dispatch' }}
      with:
        submodules: recursive
    - uses: actions/checkout@v6
      if: ${{ github.event_name == 'repository_dispatch' }}
      with:
        submodules: recursive
        repository: ${{ github.event.client_payload.repository }}
        ref: ${{ github.event.client_payload.ref }}
    - name: CPU Information
      run: cat /proc/cpuinfo
    - name: Install APT Dependencies
      run: |
        sudo add-apt-repository ppa:misterc/gcc-snapshot-latest-lts
        # sudo add-apt-repository ppa:stephanosio/ccache
        sudo apt-get install -y --no-install-recommends ninja-build pipx \
          qemu-user-static  # ccache
        sudo apt-get install -y ${{ github.event.client_payload.extra }} gcc-16 g++-16
        sudo apt-get purge -y gcc g++
        sudo ln -s /usr/bin/gcc-16 /usr/bin/gcc
        sudo ln -s /usr/bin/g++-16 /usr/bin/g++
        pipx install meson==0.55.1
    # - name: ccache
    #   uses: hendrikmuhs/ccache-action@v1.2
    #   with:
    #     key: gcc-16-${{ 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"

  sleef:
    runs-on: ubuntu-24.04
    env:
      CFLAGS: -march=native -Wall -Wextra -Werror
      CXXFLAGS: -march=native -Wall -Wextra -Werror
    steps:
    - uses: actions/checkout@v6
      if: ${{ github.event_name != 'repository_dispatch' }}
      with:
        submodules: recursive
    - uses: actions/checkout@v6
      if: ${{ github.event_name == 'repository_dispatch' }}
      with:
        submodules: recursive
        repository: ${{ github.event.client_payload.repository }}
        ref: ${{ github.event.client_payload.ref }}
    - id: cpu
      name: CPU Information
      run: |
        cat /proc/cpuinfo
    - name: Install APT Dependencies
      run: |
        sudo add-apt-repository ppa:misterc/gcc-snapshot-latest-lts
        # sudo add-apt-repository ppa:stephanosio/ccache
        sudo apt-get install -y --no-install-recommends ninja-build pipx \
          libsleef-dev # ccache
        sudo apt-get install -y ${{ github.event.client_payload.extra }} gcc-16 g++-16
        sudo apt-get purge -y gcc g++
        sudo ln -s /usr/bin/gcc-16 /usr/bin/gcc
        sudo ln -s /usr/bin/g++-16 /usr/bin/g++
        pipx install meson==0.55.1
    # - name: ccache
    #   uses: hendrikmuhs/ccache-action@v1.2
    #   with:
    #     key: gcc-16-${{ 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 || (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)

  gcc-16:
    strategy:
      fail-fast: false
      matrix:
        include:
        - distro: ubuntu-24.04
          arch_flags: -ffast-math
        - distro: ubuntu-24.04
        - 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
      if: ${{ github.event_name != 'repository_dispatch' }}
      with:
        submodules: recursive
    - uses: actions/checkout@v6
      if: ${{ github.event_name == 'repository_dispatch' }}
      with:
        submodules: recursive
        repository: ${{ github.event.client_payload.repository }}
        ref: ${{ github.event.client_payload.ref }}
    - id: cpu
      name: CPU Information
      run: |
        cat /proc/cpuinfo
    - name: Install APT Dependencies
      run: |
        sudo add-apt-repository ppa:misterc/gcc-snapshot-latest-lts
        # sudo add-apt-repository ppa:stephanosio/ccache
        sudo apt-get -y install --no-install-recommends pipx ninja-build \
            # ccache
        sudo apt-get install -y ${{ github.event.client_payload.extra }} gcc-16 g++-16
        sudo apt-get -y purge g++ gcc
        sudo ln -s /usr/bin/gcc-16 /usr/bin/gcc
        sudo ln -s /usr/bin/g++-16 /usr/bin/g++
        pipx install meson==0.55.1
    # - 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)

  gcc-qemu:
    strategy:
      fail-fast: false
      matrix:
        include:
        - version: 16
          cross: armel
          arch_gnu_abi: eabi
          arch_deb: armel
          arch_gnu: arm
          distro: ubuntu-24.04
        - version: 16
          cross: armv7
          arch_gnu: arm
          arch_gnu_abi: eabihf
          arch_deb: armhf
          distro: ubuntu-24.04
        - version: 16
          extra: -no-extras
          cross: aarch64
          arch_gnu: aarch64
          arch_deb: arm64
          distro: ubuntu-24.04
        - version: 16
          cross: aarch64
          arch_gnu: aarch64
          arch_deb: arm64
          distro: ubuntu-24.04
        - extra: -32bit
          version: 16
          cross: armv8
          arch_gnu: arm
          arch_gnu_abi: eabihf
          arch_deb: armhf
          distro: ubuntu-24.04
        - version: 16
          cross: riscv64
          arch_gnu: riscv64
          arch_deb: riscv64
          distro: ubuntu-24.04
        - extra: -O3
          version: 16
          cross: riscv64
          arch_gnu: riscv64
          arch_deb: riscv64
          distro: ubuntu-24.04
        - version: 16
          cross: s390x
          arch_gnu: s390x
          arch_deb: s390x
          distro: ubuntu-24.04
        # - version: 16
        #   cross: power9
        #   arch_gnu: powerpc64le
        #   arch_deb: ppc64el
        #   distro: ubuntu-24.04
        - version: 16
          cross: loongarch64
          arch_gnu: loongarch64
          arch_deb: loong64
          distro: ubuntu-24.04
    runs-on: ${{ matrix.distro }}
    steps:
    - uses: actions/checkout@v6
      if: ${{ github.event_name != 'repository_dispatch' }}
      with:
        submodules: recursive
    - uses: actions/checkout@v6
      if: ${{ github.event_name == 'repository_dispatch' }}
      with:
        submodules: recursive
        repository: ${{ github.event.client_payload.repository }}
        ref: ${{ github.event.client_payload.ref }}
    - name: CPU Information
      run: cat /proc/cpuinfo
    - name: Install APT Dependencies
      run: |
        sudo add-apt-repository ppa:misterc/gcc-snapshot-latest-lts
        sudo apt-get -y --no-install-recommends install ccache ninja-build \
          binfmt-support qemu-user-static pipx libc6-${{ matrix.arch_deb }}-cross
        sudo apt-get install -y ${{ github.event.client_payload.extra }} \
          gcc-${{ matrix.version }}-${{ matrix.arch_gnu }}-linux-gnu${{ matrix.arch_gnu_abi }} \
          g++-${{ matrix.version }}-${{ matrix.arch_gnu }}-linux-gnu${{ matrix.arch_gnu_abi }} \
          libstdc++-${{ 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 }}-${{ matrix.cross }}
    #     verbose: 2
    - name: Configure
      run: meson setup --cross-file=docker/cross-files/${{ matrix.cross }}-gcc-${{ matrix.version }}${{ 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