microarchitectures.json

{
  "microarchitectures": {
    "x86": {
      "from": [],
      "vendor": "generic",
      "features": []
    },
    "i686": {
      "from": ["x86"],
      "vendor": "GenuineIntel",
      "features": []
    },
    "pentium2": {
      "from": ["i686"],
      "vendor": "GenuineIntel",
      "features": [
        "mmx"
      ]
    },
    "pentium3": {
      "from": ["pentium2"],
      "vendor": "GenuineIntel",
      "features": [
        "mmx",
        "sse"
      ]
    },
    "pentium4": {
      "from": ["pentium3"],
      "vendor": "GenuineIntel",
      "features": [
        "mmx",
        "sse",
        "sse2"
      ]
    },
    "prescott": {
      "from": ["pentium4"],
      "vendor": "GenuineIntel",
      "features": [
        "mmx",
        "sse",
        "sse2",
        "sse3"
      ]
    },
    "x86_64": {
      "from": [],
      "vendor": "generic",
      "features": [],
      "compilers": {
        "gcc": [
          {
            "versions": "4.2.0:",
            "name": "x86-64",
            "flags": "-march={name} -mtune=generic"
          },
          {
            "versions": ":4.1.2",
            "name": "x86-64",
            "flags": "-march={name} -mtune={name}"
          }
        ],
        "apple-clang": [
          {
            "versions": ":",
            "name": "x86-64",
            "flags": "-march={name}"
          }
        ],
        "clang": [
          {
            "versions": ":",
            "name": "x86-64",
            "flags": "-march={name} -mtune=generic"
          }
        ],
        "aocc": [
          {
            "versions": "2.2:",
            "name": "x86-64",
            "flags": "-march={name} -mtune=generic"
          }
        ],
        "intel": [
          {
            "versions": ":",
            "name": "pentium4",
            "flags": "-march={name} -mtune=generic"
          }
        ]
      }
    },
    "x86_64_v2": {
      "from": ["x86_64"],
      "vendor": "generic",
      "features": [
        "cx16",
        "lahf_lm",
        "mmx",
        "sse",
        "sse2",
        "ssse3",
        "sse4_1",
        "sse4_2",
        "popcnt"
      ],
      "compilers": {
        "gcc": [
          {
            "versions": "11.1:",
            "name": "x86-64-v2",
            "flags": "-march={name} -mtune=generic"
          },
          {
            "versions": "4.6:11.0",
            "name": "x86-64",
            "flags": "-march={name} -mtune=generic -mcx16 -msahf -mpopcnt -msse3 -msse4.1 -msse4.2 -mssse3"
          }
        ],
        "clang": [
          {
            "versions": "12.0:",
            "name": "x86-64-v2",
            "flags": "-march={name} -mtune=generic"
          },
          {
            "versions": "3.9:11.1",
            "name": "x86-64",
            "flags": "-march={name} -mtune=generic -mcx16 -msahf -mpopcnt -msse3 -msse4.1 -msse4.2 -mssse3"
          }
        ]
      }
    },
    "x86_64_v3": {
      "from": ["x86_64_v2"],
      "vendor": "generic",
      "features": [
        "cx16",
        "lahf_lm",
        "mmx",
        "sse",
        "sse2",
        "ssse3",
        "sse4_1",
        "sse4_2",
        "popcnt",
        "avx",
        "avx2",
        "bmi1",
        "bmi2",
        "f16c",
        "fma",
        "abm",
        "movbe",
        "xsave"
      ],
      "compilers": {
        "gcc": [
          {
            "versions": "11.1:",
            "name": "x86-64-v3",
            "flags": "-march={name} -mtune=generic"
          },
          {
            "versions": "4.8:11.0",
            "name": "x86-64",
            "flags": "-march={name} -mtune=generic -mcx16 -msahf -mpopcnt -msse3 -msse4.1 -msse4.2 -mssse3 -mavx -mavx2 -mbmi -mbmi2 -mf16c -mfma -mlzcnt -mmovbe -mxsave"
          }
        ],
        "clang": [
          {
            "versions": "12.0:",
            "name": "x86-64-v3",
            "flags": "-march={name} -mtune=generic"
          },
          {
            "versions": "3.9:11.1",
            "name": "x86-64",
            "flags": "-march={name} -mtune=generic -mcx16 -msahf -mpopcnt -msse3 -msse4.1 -msse4.2 -mssse3 -mavx -mavx2 -mbmi -mbmi2 -mf16c -mfma -mlzcnt -mmovbe -mxsave"
          }
        ],
        "apple-clang": [
          {
            "versions": "8.0:",
            "name": "x86-64",
            "flags": "-march={name} -mtune=generic -mcx16 -msahf -mpopcnt -msse3 -msse4.1 -msse4.2 -mssse3 -mavx -mavx2 -mbmi -mbmi2 -mf16c -mfma -mlzcnt -mmovbe -mxsave"
          }
        ]
      }
    },
    "x86_64_v4": {
      "from": ["x86_64_v3"],
      "vendor": "generic",
      "features": [
        "cx16",
        "lahf_lm",
        "mmx",
        "sse",
        "sse2",
        "ssse3",
        "sse4_1",
        "sse4_2",
        "popcnt",
        "avx",
        "avx2",
        "bmi1",
        "bmi2",
        "f16c",
        "fma",
        "abm",
        "movbe",
        "xsave",
        "avx512f",
        "avx512bw",
        "avx512cd",
        "avx512dq",
        "avx512vl"
      ],
      "compilers": {
        "gcc": [
          {
            "versions": "11.1:",
            "name": "x86-64-v4",
            "flags": "-march={name} -mtune=generic"
          },
          {
            "versions": "6.0:11.0",
            "name": "x86-64",
            "flags": "-march={name} -mtune=generic -mcx16 -msahf -mpopcnt -msse3 -msse4.1 -msse4.2 -mssse3 -mavx -mavx2 -mbmi -mbmi2 -mf16c -mfma -mlzcnt -mmovbe -mxsave -mavx512f -mavx512bw -mavx512cd -mavx512dq -mavx512vl"
          }
        ],
        "clang": [
          {
            "versions": "12.0:",
            "name": "x86-64-v4",
            "flags": "-march={name} -mtune=generic"
          },
          {
            "versions": "3.9:11.1",
            "name": "x86-64",
            "flags": "-march={name} -mtune=generic -mcx16 -msahf -mpopcnt -msse3 -msse4.1 -msse4.2 -mssse3 -mavx -mavx2 -mbmi -mbmi2 -mf16c -mfma -mlzcnt -mmovbe -mxsave -mavx512f -mavx512bw -mavx512cd -mavx512dq -mavx512vl"
          }
        ],
        "apple-clang": [
          {
            "versions": "8.0:",
            "name": "x86-64",
            "flags": "-march={name} -mtune=generic -mcx16 -msahf -mpopcnt -msse3 -msse4.1 -msse4.2 -mssse3 -mavx -mavx2 -mbmi -mbmi2 -mf16c -mfma -mlzcnt -mmovbe -mxsave -mavx512f -mavx512bw -mavx512cd -mavx512dq -mavx512vl"
          }
        ]
      }
    },
    "nocona": {
      "from": ["x86_64"],
      "vendor": "GenuineIntel",
      "features": [
        "mmx",
        "sse",
        "sse2",
        "sse3"
      ],
      "compilers": {
        "gcc": [
          {
            "versions": "4.0.4:",
            "flags": "-march={name} -mtune={name}"
          }
        ],
        "clang": [
          {
            "versions": "3.9:",
            "flags": "-march={name} -mtune={name}"
          }
        ],
        "aocc": [
          {
            "versions": "2.2:",
            "flags": "-march={name} -mtune=generic"
          }
        ],
        "apple-clang": [
          {
            "versions": "8.0:",
            "flags": "-march={name} -mtune={name}"
          }
        ],
        "intel": [
          {
            "versions": "16.0:",
            "name": "pentium4",
            "flags": "-march={name} -mtune=generic"
          }
        ]
      }
    },
    "core2": {
      "from": ["nocona"],
      "vendor": "GenuineIntel",
      "features": [
        "mmx",
        "sse",
        "sse2",
        "ssse3"
      ],
      "compilers": {
        "gcc": [
          {
            "versions": "4.3.0:",
            "flags": "-march={name} -mtune={name}"
          }
        ],
        "clang": [
          {
            "versions": "3.9:",
            "flags": "-march={name} -mtune={name}"
          }
        ],
        "aocc": [
          {
            "versions": "2.2:",
            "flags": "-march={name} -mtune=generic"
          }
        ],
        "apple-clang": [
          {
            "versions": "8.0:",
            "flags": "-march={name} -mtune={name}"
          }
        ],
        "intel": [
          {
            "versions": "16.0:",
            "flags": "-march={name} -mtune={name}"
          }
        ]
      }
    },
    "nehalem": {
      "from": ["core2", "x86_64_v2"],
      "vendor": "GenuineIntel",
      "features": [
        "mmx",
        "sse",
        "sse2",
        "ssse3",
        "sse4_1",
        "sse4_2",
        "popcnt"
      ],
      "compilers": {
        "gcc": [
          {
            "versions": "4.9:",
            "flags": "-march={name} -mtune={name}"
          },
          {
            "versions": "4.6:4.8.5",
            "name": "corei7",
            "flags": "-march={name} -mtune={name}"
          }
        ],
        "clang": [
          {
            "versions": "3.9:",
            "flags": "-march={name} -mtune={name}"
          }
        ],
        "aocc": [
          {
            "versions": "2.2:",
            "flags": "-march={name} -mtune=generic"
          }
        ],
        "apple-clang": [
          {
            "versions": "8.0:",
            "flags": "-march={name} -mtune={name}"
          }
        ],
        "intel": [
          {
            "versions": "16.0:",
            "name": "corei7",
            "flags": "-march={name} -mtune={name}"
          }
        ]
      }
    },
    "westmere": {
      "from": ["nehalem"],
      "vendor": "GenuineIntel",
      "features": [
        "mmx",
        "sse",
        "sse2",
        "ssse3",
        "sse4_1",
        "sse4_2",
        "popcnt",
        "aes",
        "pclmulqdq"
      ],
      "compilers": {
        "gcc": [
          {
            "versions": "4.9:",
            "flags": "-march={name} -mtune={name}"
          }
        ],
        "clang": [
          {
            "versions": "3.9:",
            "flags": "-march={name} -mtune={name}"
          }
        ],
        "aocc": [
          {
            "versions": "2.2:",
            "flags": "-march={name} -mtune=generic"
          }
        ],
        "apple-clang": [
          {
            "versions": "8.0:",
            "flags": "-march={name} -mtune={name}"
          }
        ],
        "intel": [
          {
            "versions": "16.0:",
            "name": "corei7",
            "flags": "-march={name} -mtune={name}"
          }
        ]
      }
    },
    "sandybridge": {
      "from": ["westmere"],
      "vendor": "GenuineIntel",
      "features": [
        "mmx",
        "sse",
        "sse2",
        "ssse3",
        "sse4_1",
        "sse4_2",
        "popcnt",
        "aes",
        "pclmulqdq",
        "avx"
      ],
      "compilers": {
        "gcc": [
          {
            "versions": "4.9:",
            "flags": "-march={name} -mtune={name}"
          },
          {
            "versions": "4.6:4.8.5",
            "name": "corei7-avx",
            "flags": "-march={name} -mtune={name}"
          }
        ],
        "clang": [
          {
            "versions": "3.9:",
            "flags": "-march={name} -mtune={name}"
          }
        ],
        "aocc": [
          {
            "versions": "2.2:",
            "flags": "-march={name} -mtune={name}"
          }
        ],
        "apple-clang": [
          {
            "versions": "8.0:",
            "flags": "-march={name} -mtune={name}"
          }
        ],
        "intel": [
          {
            "versions": "16.0:17.9.0",
            "name": "corei7-avx",
            "flags": "-march={name} -mtune={name}"
          },
          {
            "versions": "18.0:",
            "flags": "-march={name} -mtune={name}"
          }
        ]
      }
    },
    "ivybridge": {
      "from": ["sandybridge"],
      "vendor": "GenuineIntel",
      "features": [
        "mmx",
        "sse",
        "sse2",
        "ssse3",
        "sse4_1",
        "sse4_2",
        "popcnt",
        "aes",
        "pclmulqdq",
        "avx",
        "rdrand",
        "f16c"
      ],
      "compilers": {
        "gcc": [
          {
            "versions": "4.9:",
            "flags": "-march={name} -mtune={name}"
          },
          {
            "versions": "4.6:4.8.5",
            "name": "core-avx-i",
            "flags": "-march={name} -mtune={name}"
          }
        ],
        "clang": [
          {
            "versions": "3.9:",
            "flags": "-march={name} -mtune={name}"
          }
        ],
        "aocc": [
          {
            "versions": "2.2:",
            "flags": "-march={name} -mtune={name}"
          }
        ],
        "apple-clang": [
          {
            "versions": "8.0:",
            "flags": "-march={name} -mtune={name}"
          }
        ],
        "intel": [
          {
            "versions": "16.0:17.9.0",
            "name": "core-avx-i",
            "flags": "-march={name} -mtune={name}"
          },
          {
            "versions": "18.0:",
            "flags": "-march={name} -mtune={name}"
          }
        ]
      }
    },
    "haswell": {
      "from": ["ivybridge", "x86_64_v3"],
      "vendor": "GenuineIntel",
      "features": [
        "mmx",
        "sse",
        "sse2",
        "ssse3",
        "sse4_1",
        "sse4_2",
        "popcnt",
        "aes",
        "pclmulqdq",
        "avx",
        "rdrand",
        "f16c",
        "movbe",
        "fma",
        "avx2",
        "bmi1",
        "bmi2"
      ],
      "compilers": {
        "gcc": [
          {
            "versions": "4.9:",
            "flags": "-march={name} -mtune={name}"
          },
          {
            "versions": "4.8:4.8.5",
            "name": "core-avx2",
            "flags": "-march={name} -mtune={name}"
          }
        ],
        "clang": [
          {
            "versions": "3.9:",
            "flags": "-march={name} -mtune={name}"
          }
        ],
        "aocc": [
          {
            "versions": "2.2:",
            "flags": "-march={name} -mtune={name}"
          }
        ],
        "apple-clang": [
          {
            "versions": "8.0:",
            "flags": "-march={name} -mtune={name}"
          }
        ],
        "intel": [
          {
            "versions": "16.0:17.9.0",
            "name": "core-avx2",
            "flags": "-march={name} -mtune={name}"
          },
          {
            "versions": "18.0:",
            "flags": "-march={name} -mtune={name}"
          }
        ]
      }
    },
    "broadwell": {
      "from": ["haswell"],
      "vendor": "GenuineIntel",
      "features": [
        "mmx",
        "sse",
        "sse2",
        "ssse3",
        "sse4_1",
        "sse4_2",
        "popcnt",
        "aes",
        "pclmulqdq",
        "avx",
        "rdrand",
        "f16c",
        "movbe",
        "fma",
        "avx2",
        "bmi1",
        "bmi2",
        "rdseed",
        "adx"
      ],
      "compilers": {
        "gcc": [
          {
            "versions": "4.9:",
            "flags": "-march={name} -mtune={name}"
          }
        ],
        "clang": [
          {
            "versions": "3.9:",
            "flags": "-march={name} -mtune={name}"
          }
        ],
        "aocc": [
          {
            "versions": "2.2:",
            "flags": "-march={name} -mtune={name}"
          }
        ],
        "apple-clang": [
          {
            "versions": "8.0:",
            "flags": "-march={name} -mtune={name}"
          }
        ],
        "intel": [
          {
            "versions": "18.0:",
            "flags": "-march={name} -mtune={name}"
          }
        ]
      }
    },
    "skylake": {
      "from": ["broadwell"],
      "vendor": "GenuineIntel",
      "features": [
        "mmx",
        "sse",
        "sse2",
        "ssse3",
        "sse4_1",
        "sse4_2",
        "popcnt",
        "aes",
        "pclmulqdq",
        "avx",
        "rdrand",
        "f16c",
        "movbe",
        "fma",
        "avx2",
        "bmi1",
        "bmi2",
        "rdseed",
        "adx",
        "clflushopt",
        "xsavec",
        "xsaveopt"
      ],
      "compilers": {
        "gcc": [
          {
            "versions": "6.0:",
            "flags": "-march={name} -mtune={name}"
          }
        ],
        "clang": [
          {
            "versions": "3.9:",
            "flags": "-march={name} -mtune={name}"
          }
        ],
        "aocc": [
          {
            "versions": "2.2:",
            "flags": "-march={name} -mtune={name}"
          }
        ],
        "apple-clang": [
          {
            "versions": "8.0:",
            "flags": "-march={name} -mtune={name}"
          }
        ],
        "intel": [
          {
            "versions": "18.0:",
            "flags": "-march={name} -mtune={name}"
          }
        ]
      }
    },
    "mic_knl": {
      "from": ["broadwell"],
      "vendor": "GenuineIntel",
      "features": [
        "mmx",
        "sse",
        "sse2",
        "ssse3",
        "sse4_1",
        "sse4_2",
        "popcnt",
        "aes",
        "pclmulqdq",
        "avx",
        "rdrand",
        "f16c",
        "movbe",
        "avx2",
        "fma",
        "avx2",
        "bmi1",
        "bmi2",
        "rdseed",
        "adx",
        "avx512f",
        "avx512pf",
        "avx512er",
        "avx512cd"
      ],
      "compilers": {
        "gcc": [
          {
            "versions": "5.1:",
            "name": "knl",
            "flags": "-march={name} -mtune={name}"
          }
        ],
        "clang": [
          {
            "versions": "3.9:",
            "name": "knl",
            "flags": "-march={name} -mtune={name}"
          }
        ],
        "aocc": [
          {
            "versions": "2.2:",
            "name": "knl",
            "flags": "-march={name} -mtune=generic"
          }
        ],
        "apple-clang": [
          {
            "versions": "8.0:",
            "flags": "-march={name} -mtune={name}"
          }
        ],
        "intel": [
          {
            "versions": "18.0:",
            "name": "knl",
            "flags": "-march={name} -mtune={name}"
          }
        ]
      }
    },
    "skylake_avx512": {
      "from": ["skylake", "x86_64_v4"],
      "vendor": "GenuineIntel",
      "features": [
        "mmx",
        "sse",
        "sse2",
        "ssse3",
        "sse4_1",
        "sse4_2",
        "popcnt",
        "aes",
        "pclmulqdq",
        "avx",
        "rdrand",
        "f16c",
        "movbe",
        "fma",
        "avx2",
        "bmi1",
        "bmi2",
        "rdseed",
        "adx",
        "clflushopt",
        "xsavec",
        "xsaveopt",
        "avx512f",
        "clwb",
        "avx512vl",
        "avx512bw",
        "avx512dq",
        "avx512cd"
      ],
      "compilers": {
        "gcc": [
          {
            "name": "skylake-avx512",
            "versions": "6.0:",
            "flags": "-march={name} -mtune={name}"
          }
        ],
        "clang": [
          {
            "versions": "3.9:",
            "name": "skylake-avx512",
            "flags": "-march={name} -mtune={name}"
          }
        ],
        "aocc": [
          {
            "versions": "2.2:",
            "name": "skylake-avx512",
            "flags": "-march={name} -mtune=generic"
          }
        ],
        "apple-clang": [
          {
            "versions": "8.0:",
            "flags": "-march={name} -mtune={name}"
          }
        ],
        "intel": [
          {
            "versions": "18.0:",
            "name": "skylake-avx512",
            "flags": "-march={name} -mtune={name}"
          }
        ]
      }
    },
    "cannonlake": {
      "from": ["skylake"],
      "vendor": "GenuineIntel",
      "features": [
        "mmx",
        "sse",
        "sse2",
        "ssse3",
        "sse4_1",
        "sse4_2",
        "popcnt",
        "aes",
        "pclmulqdq",
        "avx",
        "rdrand",
        "f16c",
        "movbe",
        "fma",
        "avx2",
        "bmi1",
        "bmi2",
        "rdseed",
        "adx",
        "clflushopt",
        "xsavec",
        "xsaveopt",
        "avx512f",
        "avx512vl",
        "avx512bw",
        "avx512dq",
        "avx512cd",
        "avx512vbmi",
        "avx512ifma",
        "sha",
        "umip"
      ],
      "compilers": {
        "gcc": [
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              {
                  "versions": "4.8:4.8.9",
                  "flags" : "-march=armv8-a"
              },
              {
                  "versions": "4.9:5.9",
                  "flags" : "-march=armv8-a+crc+crypto"
              },
              {
                  "versions": "6:",
                  "flags" : "-march=armv8-a+crc+crypto -mtune=cortex-a72"
              }
          ],
          "clang" : [
              {
                  "versions": "3.9:",
                  "flags" : "-march=armv8-a+crc+crypto"
              }
          ]
      }
    },
    "graviton2": {
      "from": ["aarch64"],
      "vendor": "ARM",
      "features": [
          "fp",
          "asimd",
          "evtstrm",
          "aes",
          "pmull",
          "sha1",
          "sha2",
          "crc32",
          "atomics",
          "fphp",
          "asimdhp",
          "cpuid",
          "asimdrdm",
          "lrcpc",
          "dcpop",
          "asimddp",
          "ssbs"
      ],
      "compilers" : {
          "gcc": [
              {
                  "versions": "4.8:4.8.9",
                  "flags": "-march=armv8-a"
              },
              {
                  "versions": "4.9:5.9",
                  "flags": "-march=armv8-a+crc+crypto"
              },
              {
                  "versions": "6:6.9",
                  "flags" : "-march=armv8.1-a"
              },
              {
                  "versions": "7:7.9",
                  "flags" : "-march=armv8.2-a+fp16 -mtune=cortex-a72"
              },
              {
                  "versions": "8.0:8.0",
                  "flags" : "-march=armv8.2-a+fp16+dotprod+crypto -mtune=cortex-a72"
              },
              {
                  "versions": "8.1:8.9",
                  "flags" : "-march=armv8.2-a+fp16+rcpc+dotprod+crypto -mtune=cortex-a72"
              },
              {
                  "versions": "9.0:",
                  "flags" : "-march=armv8.2-a+fp16+rcpc+dotprod+crypto -mtune=neoverse-n1"
              }
          ],
          "clang" : [
              {
                  "versions": "3.9:4.9",
                  "flags" : "-march=armv8.2-a+fp16+crc+crypto"
              },
              {
                  "versions": "5:",
                  "flags" : "-march=armv8.2-a+fp16+rcpc+dotprod+crypto"
              }
          ],
          "arm" : [
              {
                  "versions": "20:",
                  "flags" : "-march=armv8.2-a+fp16+rcpc+dotprod+crypto"
              }
          ]
      }
    },
    "m1": {
      "from": ["aarch64"],
      "vendor": "Apple",
      "features": [],
      "compilers": {
        "gcc": [
          {
            "versions": "8.0:",
            "flags" : "-march=armv8.4-a -mtune=generic"
          }
        ],
        "clang" : [
          {
            "versions": "9.0:",
            "flags" : "-march=armv8.4-a"
          }
        ],
        "apple-clang": [
          {
            "versions": "11.0:",
            "flags" : "-march=armv8.4-a"
          }
        ]
      }
    },
    "arm": {
      "from": [],
      "vendor": "generic",
      "features": [],
      "compilers": {
        "clang": [
          {
            "versions": ":",
            "family": "arm",
            "flags": "-march={family} -mcpu=generic"
          }
        ]
      }
    },
    "ppc": {
      "from": [],
      "vendor": "generic",
      "features": [],
      "compilers": {
      }
    },
    "ppcle": {
      "from": [],
      "vendor": "generic",
      "features": [],
      "compilers": {
      }
    },
    "sparc": {
      "from": [],
      "vendor": "generic",
      "features": [],
      "compilers": {
      }
    },
    "sparc64": {
      "from": [],
      "vendor": "generic",
      "features": [],
      "compilers": {
      }
    },
    "riscv64": {
      "from": [],
      "vendor": "generic",
      "features": [],
      "compilers": {
        "gcc": [
          {
            "versions": "7.1:",
            "flags" : "-march=rv64gc"
          }
        ],
        "clang": [
          {
            "versions": "9.0:",
            "flags" : "-march=rv64gc"
          }
        ]
      }
    },
    "u74mc": {
      "from": ["riscv64"],
      "vendor": "SiFive",
      "features": [],
      "compilers": {
        "gcc": [
          {
            "versions": "10.2:",
            "flags" : "-march=rv64gc -mtune=sifive-7-series"
          }
        ],
        "clang" : [
          {
            "versions": "12.0:",
            "flags" : "-march=rv64gc -mtune=sifive-7-series"
          }
        ]
      }
    }
  },
  "feature_aliases": {
    "sse3": {
      "reason": "ssse3 is a superset of sse3 and might be the only one listed",
      "any_of": [
        "ssse3"
      ]
    },
    "avx512": {
      "reason": "avx512 indicates generic support for any of the avx512 instruction sets",
      "any_of": [
        "avx512f",
        "avx512vl",
        "avx512bw",
        "avx512dq",
        "avx512cd"
      ]
    },
    "altivec": {
      "reason": "altivec is supported by Power PC architectures, but might not be listed in features",
      "families": [
        "ppc64le",
        "ppc64"
      ]
    },
    "vsx": {
      "reason": "VSX alitvec extensions are supported by PowerISA from v2.06 (Power7+), but might not be listed in features",
      "families": [
        "ppc64le",
        "ppc64"
      ]
    },
    "fma": {
      "reason": "FMA has been supported by PowerISA since Power1, but might not be listed in features",
      "families": [
        "ppc64le",
        "ppc64"
      ]
    },
    "sse4.1": {
      "reason": "permits to refer to sse4_1 also as sse4.1",
      "any_of": [
        "sse4_1"
      ]
    },
    "sse4.2": {
      "reason": "permits to refer to sse4_2 also as sse4.2",
      "any_of": [
        "sse4_2"
      ]
    },
    "neon": {
      "reason": "NEON is required in all standard ARMv8 implementations",
      "families": [
        "aarch64"
      ]
    }
  },
  "conversions": {
    "description": "Conversions that map some platform specific values to canonical values",
    "arm_vendors": {
      "0x41": "ARM",
      "0x42": "Broadcom",
      "0x43": "Cavium",
      "0x44": "DEC",
      "0x46": "Fujitsu",
      "0x48": "HiSilicon",
      "0x49": "Infineon Technologies AG",
      "0x4d": "Motorola",
      "0x4e": "Nvidia",
      "0x50": "APM",
      "0x51": "Qualcomm",
      "0x53": "Samsung",
      "0x56": "Marvell",
      "0x61": "Apple",
      "0x66": "Faraday",
      "0x68": "HXT",
      "0x69": "Intel"
    },
    "darwin_flags": {
      "sse4.1": "sse4_1",
      "sse4.2": "sse4_2",
      "avx1.0": "avx",
      "clfsopt": "clflushopt",
      "xsave": "xsavec xsaveopt"
    }
  }
}