0.md

I built this branch and made it available via rustup toolchain link stage2 build/host/stage2. This toolchain can run cargo doc, but core and std and such only support my the host as a target.

From here, I made a new crate via cargo new --lib empty, and filled lib.rs with:

#![feature(no_core)]
#![no_std]
#![no_core]

This lets me document the crate for other targets, so:

for target in \
  aarch64-apple-darwin \
  aarch64-unknown-linux-gnu \
  i686-pc-windows-msvc \
  i686-unknown-linux-gnu \
  x86_64-apple-darwin \
  x86_64-pc-windows-gnu \
  x86_64-pc-windows-msvc \
  x86_64-unknown-linux-gnu
do
  cargo +stage2 rustdoc --target $target -- -Zunstable-options --output-format json
  jq .target < target/$target/doc/*.json > $target.json
done

The resulting target data is attached.

aarch64-apple-darwin.json

{
  "triple": "aarch64-apple-darwin",
  "target_features": [
    {
      "name": "aes",
      "implies_features": [
        "neon"
      ],
      "unstable_feature_gate": null,
      "globally_enabled": true
    },
    {
      "name": "bf16",
      "implies_features": [],
      "unstable_feature_gate": null,
      "globally_enabled": false
    },
    {
      "name": "bti",
      "implies_features": [],
      "unstable_feature_gate": null,
      "globally_enabled": false
    },
    {
      "name": "crc",
      "implies_features": [],
      "unstable_feature_gate": null,
      "globally_enabled": true
    },
    {
      "name": "cssc",
      "implies_features": [],
      "unstable_feature_gate": "aarch64_unstable_target_feature",
      "globally_enabled": false
    },
    {
      "name": "dit",
      "implies_features": [],
      "unstable_feature_gate": null,
      "globally_enabled": true
    },
    {
      "name": "dotprod",
      "implies_features": [
        "neon"
      ],
      "unstable_feature_gate": null,
      "globally_enabled": true
    },
    {
      "name": "dpb",
      "implies_features": [],
      "unstable_feature_gate": null,
      "globally_enabled": true
    },
    {
      "name": "dpb2",
      "implies_features": [
        "dpb"
      ],
      "unstable_feature_gate": null,
      "globally_enabled": true
    },
    {
      "name": "ecv",
      "implies_features": [],
      "unstable_feature_gate": "aarch64_unstable_target_feature",
      "globally_enabled": false
    },
    {
      "name": "f32mm",
      "implies_features": [
        "sve"
      ],
      "unstable_feature_gate": null,
      "globally_enabled": false
    },
    {
      "name": "f64mm",
      "implies_features": [
        "sve"
      ],
      "unstable_feature_gate": null,
      "globally_enabled": false
    },
    {
      "name": "faminmax",
      "implies_features": [],
      "unstable_feature_gate": "aarch64_unstable_target_feature",
      "globally_enabled": false
    },
    {
      "name": "fcma",
      "implies_features": [
        "neon"
      ],
      "unstable_feature_gate": null,
      "globally_enabled": true
    },
    {
      "name": "fhm",
      "implies_features": [
        "fp16"
      ],
      "unstable_feature_gate": null,
      "globally_enabled": true
    },
    {
      "name": "flagm",
      "implies_features": [],
      "unstable_feature_gate": null,
      "globally_enabled": true
    },
    {
      "name": "flagm2",
      "implies_features": [],
      "unstable_feature_gate": "aarch64_unstable_target_feature",
      "globally_enabled": true
    },
    {
      "name": "fp16",
      "implies_features": [
        "neon"
      ],
      "unstable_feature_gate": null,
      "globally_enabled": true
    },
    {
      "name": "fp8",
      "implies_features": [
        "faminmax",
        "lut",
        "bf16"
      ],
      "unstable_feature_gate": "aarch64_unstable_target_feature",
      "globally_enabled": false
    },
    {
      "name": "fp8dot2",
      "implies_features": [
        "fp8dot4"
      ],
      "unstable_feature_gate": "aarch64_unstable_target_feature",
      "globally_enabled": false
    },
    {
      "name": "fp8dot4",
      "implies_features": [
        "fp8fma"
      ],
      "unstable_feature_gate": "aarch64_unstable_target_feature",
      "globally_enabled": false
    },
    {
      "name": "fp8fma",
      "implies_features": [
        "fp8"
      ],
      "unstable_feature_gate": "aarch64_unstable_target_feature",
      "globally_enabled": false
    },
    {
      "name": "frintts",
      "implies_features": [],
      "unstable_feature_gate": null,
      "globally_enabled": true
    },
    {
      "name": "hbc",
      "implies_features": [],
      "unstable_feature_gate": "aarch64_unstable_target_feature",
      "globally_enabled": false
    },
    {
      "name": "i8mm",
      "implies_features": [],
      "unstable_feature_gate": null,
      "globally_enabled": false
    },
    {
      "name": "jsconv",
      "implies_features": [
        "neon"
      ],
      "unstable_feature_gate": null,
      "globally_enabled": true
    },
    {
      "name": "lor",
      "implies_features": [],
      "unstable_feature_gate": null,
      "globally_enabled": true
    },
    {
      "name": "lse",
      "implies_features": [],
      "unstable_feature_gate": null,
      "globally_enabled": true
    },
    {
      "name": "lse128",
      "implies_features": [
        "lse"
      ],
      "unstable_feature_gate": "aarch64_unstable_target_feature",
      "globally_enabled": false
    },
    {
      "name": "lse2",
      "implies_features": [],
      "unstable_feature_gate": "aarch64_unstable_target_feature",
      "globally_enabled": true
    },
    {
      "name": "lut",
      "implies_features": [],
      "unstable_feature_gate": "aarch64_unstable_target_feature",
      "globally_enabled": false
    },
    {
      "name": "mops",
      "implies_features": [],
      "unstable_feature_gate": "aarch64_unstable_target_feature",
      "globally_enabled": false
    },
    {
      "name": "mte",
      "implies_features": [],
      "unstable_feature_gate": null,
      "globally_enabled": false
    },
    {
      "name": "neon",
      "implies_features": [],
      "unstable_feature_gate": null,
      "globally_enabled": true
    },
    {
      "name": "paca",
      "implies_features": [],
      "unstable_feature_gate": null,
      "globally_enabled": true
    },
    {
      "name": "pacg",
      "implies_features": [],
      "unstable_feature_gate": null,
      "globally_enabled": true
    },
    {
      "name": "pan",
      "implies_features": [],
      "unstable_feature_gate": null,
      "globally_enabled": true
    },
    {
      "name": "pauth-lr",
      "implies_features": [],
      "unstable_feature_gate": "aarch64_unstable_target_feature",
      "globally_enabled": false
    },
    {
      "name": "pmuv3",
      "implies_features": [],
      "unstable_feature_gate": null,
      "globally_enabled": true
    },
    {
      "name": "rand",
      "implies_features": [],
      "unstable_feature_gate": null,
      "globally_enabled": false
    },
    {
      "name": "ras",
      "implies_features": [],
      "unstable_feature_gate": null,
      "globally_enabled": true
    },
    {
      "name": "rcpc",
      "implies_features": [],
      "unstable_feature_gate": null,
      "globally_enabled": true
    },
    {
      "name": "rcpc2",
      "implies_features": [
        "rcpc"
      ],
      "unstable_feature_gate": null,
      "globally_enabled": true
    },
    {
      "name": "rcpc3",
      "implies_features": [
        "rcpc2"
      ],
      "unstable_feature_gate": "aarch64_unstable_target_feature",
      "globally_enabled": false
    },
    {
      "name": "rdm",
      "implies_features": [
        "neon"
      ],
      "unstable_feature_gate": null,
      "globally_enabled": true
    },
    {
      "name": "reserve-x18",
      "implies_features": [],
      "unstable_feature_gate": "aarch64_unstable_target_feature",
      "globally_enabled": false
    },
    {
      "name": "sb",
      "implies_features": [],
      "unstable_feature_gate": null,
      "globally_enabled": true
    },
    {
      "name": "sha2",
      "implies_features": [
        "neon"
      ],
      "unstable_feature_gate": null,
      "globally_enabled": true
    },
    {
      "name": "sha3",
      "implies_features": [
        "sha2"
      ],
      "unstable_feature_gate": null,
      "globally_enabled": true
    },
    {
      "name": "sm4",
      "implies_features": [
        "neon"
      ],
      "unstable_feature_gate": null,
      "globally_enabled": false
    },
    {
      "name": "sme",
      "implies_features": [
        "bf16"
      ],
      "unstable_feature_gate": "aarch64_unstable_target_feature",
      "globally_enabled": false
    },
    {
      "name": "sme-b16b16",
      "implies_features": [
        "bf16",
        "sme2",
        "sve-b16b16"
      ],
      "unstable_feature_gate": "aarch64_unstable_target_feature",
      "globally_enabled": false
    },
    {
      "name": "sme-f16f16",
      "implies_features": [
        "sme2"
      ],
      "unstable_feature_gate": "aarch64_unstable_target_feature",
      "globally_enabled": false
    },
    {
      "name": "sme-f64f64",
      "implies_features": [
        "sme"
      ],
      "unstable_feature_gate": "aarch64_unstable_target_feature",
      "globally_enabled": false
    },
    {
      "name": "sme-f8f16",
      "implies_features": [
        "sme-f8f32"
      ],
      "unstable_feature_gate": "aarch64_unstable_target_feature",
      "globally_enabled": false
    },
    {
      "name": "sme-f8f32",
      "implies_features": [
        "sme2",
        "fp8"
      ],
      "unstable_feature_gate": "aarch64_unstable_target_feature",
      "globally_enabled": false
    },
    {
      "name": "sme-fa64",
      "implies_features": [
        "sme",
        "sve2"
      ],
      "unstable_feature_gate": "aarch64_unstable_target_feature",
      "globally_enabled": false
    },
    {
      "name": "sme-i16i64",
      "implies_features": [
        "sme"
      ],
      "unstable_feature_gate": "aarch64_unstable_target_feature",
      "globally_enabled": false
    },
    {
      "name": "sme-lutv2",
      "implies_features": [],
      "unstable_feature_gate": "aarch64_unstable_target_feature",
      "globally_enabled": false
    },
    {
      "name": "sme2",
      "implies_features": [
        "sme"
      ],
      "unstable_feature_gate": "aarch64_unstable_target_feature",
      "globally_enabled": false
    },
    {
      "name": "sme2p1",
      "implies_features": [
        "sme2"
      ],
      "unstable_feature_gate": "aarch64_unstable_target_feature",
      "globally_enabled": false
    },
    {
      "name": "spe",
      "implies_features": [],
      "unstable_feature_gate": null,
      "globally_enabled": false
    },
    {
      "name": "ssbs",
      "implies_features": [],
      "unstable_feature_gate": null,
      "globally_enabled": true
    },
    {
      "name": "ssve-fp8dot2",
      "implies_features": [
        "ssve-fp8dot4"
      ],
      "unstable_feature_gate": "aarch64_unstable_target_feature",
      "globally_enabled": false
    },
    {
      "name": "ssve-fp8dot4",
      "implies_features": [
        "ssve-fp8fma"
      ],
      "unstable_feature_gate": "aarch64_unstable_target_feature",
      "globally_enabled": false
    },
    {
      "name": "ssve-fp8fma",
      "implies_features": [
        "sme2",
        "fp8"
      ],
      "unstable_feature_gate": "aarch64_unstable_target_feature",
      "globally_enabled": false
    },
    {
      "name": "sve",
      "implies_features": [
        "neon"
      ],
      "unstable_feature_gate": null,
      "globally_enabled": false
    },
    {
      "name": "sve-b16b16",
      "implies_features": [
        "bf16"
      ],
      "unstable_feature_gate": "aarch64_unstable_target_feature",
      "globally_enabled": false
    },
    {
      "name": "sve2",
      "implies_features": [
        "sve"
      ],
      "unstable_feature_gate": null,
      "globally_enabled": false
    },
    {
      "name": "sve2-aes",
      "implies_features": [
        "sve2",
        "aes"
      ],
      "unstable_feature_gate": null,
      "globally_enabled": false
    },
    {
      "name": "sve2-bitperm",
      "implies_features": [
        "sve2"
      ],
      "unstable_feature_gate": null,
      "globally_enabled": false
    },
    {
      "name": "sve2-sha3",
      "implies_features": [
        "sve2",
        "sha3"
      ],
      "unstable_feature_gate": null,
      "globally_enabled": false
    },
    {
      "name": "sve2-sm4",
      "implies_features": [
        "sve2",
        "sm4"
      ],
      "unstable_feature_gate": null,
      "globally_enabled": false
    },
    {
      "name": "sve2p1",
      "implies_features": [
        "sve2"
      ],
      "unstable_feature_gate": "aarch64_unstable_target_feature",
      "globally_enabled": false
    },
    {
      "name": "tme",
      "implies_features": [],
      "unstable_feature_gate": null,
      "globally_enabled": false
    },
    {
      "name": "v8.1a",
      "implies_features": [
        "crc",
        "lse",
        "rdm",
        "pan",
        "lor",
        "vh"
      ],
      "unstable_feature_gate": "aarch64_ver_target_feature",
      "globally_enabled": true
    },
    {
      "name": "v8.2a",
      "implies_features": [
        "v8.1a",
        "ras",
        "dpb"
      ],
      "unstable_feature_gate": "aarch64_ver_target_feature",
      "globally_enabled": true
    },
    {
      "name": "v8.3a",
      "implies_features": [
        "v8.2a",
        "rcpc",
        "paca",
        "pacg",
        "jsconv"
      ],
      "unstable_feature_gate": "aarch64_ver_target_feature",
      "globally_enabled": true
    },
    {
      "name": "v8.4a",
      "implies_features": [
        "v8.3a",
        "dotprod",
        "dit",
        "flagm"
      ],
      "unstable_feature_gate": "aarch64_ver_target_feature",
      "globally_enabled": true
    },
    {
      "name": "v8.5a",
      "implies_features": [
        "v8.4a",
        "ssbs",
        "sb",
        "dpb2",
        "bti"
      ],
      "unstable_feature_gate": "aarch64_ver_target_feature",
      "globally_enabled": false
    },
    {
      "name": "v8.6a",
      "implies_features": [
        "v8.5a",
        "bf16",
        "i8mm"
      ],
      "unstable_feature_gate": "aarch64_ver_target_feature",
      "globally_enabled": false
    },
    {
      "name": "v8.7a",
      "implies_features": [
        "v8.6a",
        "wfxt"
      ],
      "unstable_feature_gate": "aarch64_ver_target_feature",
      "globally_enabled": false
    },
    {
      "name": "v8.8a",
      "implies_features": [
        "v8.7a",
        "hbc",
        "mops"
      ],
      "unstable_feature_gate": "aarch64_ver_target_feature",
      "globally_enabled": false
    },
    {
      "name": "v8.9a",
      "implies_features": [
        "v8.8a",
        "cssc"
      ],
      "unstable_feature_gate": "aarch64_ver_target_feature",
      "globally_enabled": false
    },
    {
      "name": "v9.1a",
      "implies_features": [
        "v9a",
        "v8.6a"
      ],
      "unstable_feature_gate": "aarch64_ver_target_feature",
      "globally_enabled": false
    },
    {
      "name": "v9.2a",
      "implies_features": [
        "v9.1a",
        "v8.7a"
      ],
      "unstable_feature_gate": "aarch64_ver_target_feature",
      "globally_enabled": false
    },
    {
      "name": "v9.3a",
      "implies_features": [
        "v9.2a",
        "v8.8a"
      ],
      "unstable_feature_gate": "aarch64_ver_target_feature",
      "globally_enabled": false
    },
    {
      "name": "v9.4a",
      "implies_features": [
        "v9.3a",
        "v8.9a"
      ],
      "unstable_feature_gate": "aarch64_ver_target_feature",
      "globally_enabled": false
    },
    {
      "name": "v9.5a",
      "implies_features": [
        "v9.4a"
      ],
      "unstable_feature_gate": "aarch64_ver_target_feature",
      "globally_enabled": false
    },
    {
      "name": "v9a",
      "implies_features": [
        "v8.5a",
        "sve2"
      ],
      "unstable_feature_gate": "aarch64_ver_target_feature",
      "globally_enabled": false
    },
    {
      "name": "vh",
      "implies_features": [],
      "unstable_feature_gate": null,
      "globally_enabled": true
    },
    {
      "name": "wfxt",
      "implies_features": [],
      "unstable_feature_gate": "aarch64_unstable_target_feature",
      "globally_enabled": false
    }
  ]
}

aarch64-unknown-linux-gnu.json

{
  "triple": "aarch64-unknown-linux-gnu",
  "target_features": [
    {
      "name": "aes",
      "implies_features": [
        "neon"
      ],
      "unstable_feature_gate": null,
      "globally_enabled": false
    },
    {
      "name": "bf16",
      "implies_features": [],
      "unstable_feature_gate": null,
      "globally_enabled": false
    },
    {
      "name": "bti",
      "implies_features": [],
      "unstable_feature_gate": null,
      "globally_enabled": false
    },
    {
      "name": "crc",
      "implies_features": [],
      "unstable_feature_gate": null,
      "globally_enabled": false
    },
    {
      "name": "cssc",
      "implies_features": [],
      "unstable_feature_gate": "aarch64_unstable_target_feature",
      "globally_enabled": false
    },
    {
      "name": "dit",
      "implies_features": [],
      "unstable_feature_gate": null,
      "globally_enabled": false
    },
    {
      "name": "dotprod",
      "implies_features": [
        "neon"
      ],
      "unstable_feature_gate": null,
      "globally_enabled": false
    },
    {
      "name": "dpb",
      "implies_features": [],
      "unstable_feature_gate": null,
      "globally_enabled": false
    },
    {
      "name": "dpb2",
      "implies_features": [
        "dpb"
      ],
      "unstable_feature_gate": null,
      "globally_enabled": false
    },
    {
      "name": "ecv",
      "implies_features": [],
      "unstable_feature_gate": "aarch64_unstable_target_feature",
      "globally_enabled": false
    },
    {
      "name": "f32mm",
      "implies_features": [
        "sve"
      ],
      "unstable_feature_gate": null,
      "globally_enabled": false
    },
    {
      "name": "f64mm",
      "implies_features": [
        "sve"
      ],
      "unstable_feature_gate": null,
      "globally_enabled": false
    },
    {
      "name": "faminmax",
      "implies_features": [],
      "unstable_feature_gate": "aarch64_unstable_target_feature",
      "globally_enabled": false
    },
    {
      "name": "fcma",
      "implies_features": [
        "neon"
      ],
      "unstable_feature_gate": null,
      "globally_enabled": false
    },
    {
      "name": "fhm",
      "implies_features": [
        "fp16"
      ],
      "unstable_feature_gate": null,
      "globally_enabled": false
    },
    {
      "name": "flagm",
      "implies_features": [],
      "unstable_feature_gate": null,
      "globally_enabled": false
    },
    {
      "name": "flagm2",
      "implies_features": [],
      "unstable_feature_gate": "aarch64_unstable_target_feature",
      "globally_enabled": false
    },
    {
      "name": "fp16",
      "implies_features": [
        "neon"
      ],
      "unstable_feature_gate": null,
      "globally_enabled": false
    },
    {
      "name": "fp8",
      "implies_features": [
        "faminmax",
        "lut",
        "bf16"
      ],
      "unstable_feature_gate": "aarch64_unstable_target_feature",
      "globally_enabled": false
    },
    {
      "name": "fp8dot2",
      "implies_features": [
        "fp8dot4"
      ],
      "unstable_feature_gate": "aarch64_unstable_target_feature",
      "globally_enabled": false
    },
    {
      "name": "fp8dot4",
      "implies_features": [
        "fp8fma"
      ],
      "unstable_feature_gate": "aarch64_unstable_target_feature",
      "globally_enabled": false
    },
    {
      "name": "fp8fma",
      "implies_features": [
        "fp8"
      ],
      "unstable_feature_gate": "aarch64_unstable_target_feature",
      "globally_enabled": false
    },
    {
      "name": "frintts",
      "implies_features": [],
      "unstable_feature_gate": null,
      "globally_enabled": false
    },
    {
      "name": "hbc",
      "implies_features": [],
      "unstable_feature_gate": "aarch64_unstable_target_feature",
      "globally_enabled": false
    },
    {
      "name": "i8mm",
      "implies_features": [],
      "unstable_feature_gate": null,
      "globally_enabled": false
    },
    {
      "name": "jsconv",
      "implies_features": [
        "neon"
      ],
      "unstable_feature_gate": null,
      "globally_enabled": false
    },
    {
      "name": "lor",
      "implies_features": [],
      "unstable_feature_gate": null,
      "globally_enabled": false
    },
    {
      "name": "lse",
      "implies_features": [],
      "unstable_feature_gate": null,
      "globally_enabled": false
    },
    {
      "name": "lse128",
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    {
      "name": "sve2-aes",
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        "sve2",
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    },
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      ],
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}

i686-pc-windows-msvc.json

{
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    {
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      "unstable_feature_gate": "sha512_sm_x86",
      "globally_enabled": false
    },
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      "name": "sm4",
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        "avx2"
      ],
      "unstable_feature_gate": "sha512_sm_x86",
      "globally_enabled": false
    },
    {
      "name": "soft-float",
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      "unstable_feature_gate": "x87_target_feature",
      "globally_enabled": false
    },
    {
      "name": "sse",
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      "unstable_feature_gate": null,
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    {
      "name": "sse2",
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      "unstable_feature_gate": null,
      "globally_enabled": true
    },
    {
      "name": "sse3",
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      "name": "sse4.1",
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      "unstable_feature_gate": "avx512_target_feature",
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      "name": "vpclmulqdq",
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      "name": "widekl",
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      "globally_enabled": false
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}

i686-unknown-linux-gnu.json

{
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      "globally_enabled": false
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      "globally_enabled": false
    },
    {
      "name": "amx-fp8",
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      ],
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      "globally_enabled": false
    },
    {
      "name": "amx-int8",
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        "amx-tile"
      ],
      "unstable_feature_gate": "x86_amx_intrinsics",
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    {
      "name": "amx-movrs",
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        "amx-tile"
      ],
      "unstable_feature_gate": "x86_amx_intrinsics",
      "globally_enabled": false
    },
    {
      "name": "amx-tf32",
      "implies_features": [
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      ],
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      "globally_enabled": false
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    {
      "name": "amx-tile",
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    },
    {
      "name": "amx-transpose",
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        "avx"
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    {
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    {
      "name": "avx512bitalg",
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    {
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        "avx512dq"
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      "unstable_feature_gate": "avx512_target_feature",
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    },
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      "name": "cmpxchg16b",
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    {
      "name": "ermsb",
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      "name": "f16c",
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      "globally_enabled": false
    },
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      "name": "fma",
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      ],
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      "globally_enabled": false
    },
    {
      "name": "fxsr",
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      "unstable_feature_gate": null,
      "globally_enabled": true
    },
    {
      "name": "gfni",
      "implies_features": [
        "sse2"
      ],
      "unstable_feature_gate": "avx512_target_feature",
      "globally_enabled": false
    },
    {
      "name": "kl",
      "implies_features": [
        "sse2"
      ],
      "unstable_feature_gate": "keylocker_x86",
      "globally_enabled": false
    },
    {
      "name": "lahfsahf",
      "implies_features": [],
      "unstable_feature_gate": "lahfsahf_target_feature",
      "globally_enabled": false
    },
    {
      "name": "lzcnt",
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      "unstable_feature_gate": null,
      "globally_enabled": false
    },
    {
      "name": "movbe",
      "implies_features": [],
      "unstable_feature_gate": null,
      "globally_enabled": false
    },
    {
      "name": "movrs",
      "implies_features": [],
      "unstable_feature_gate": "movrs_target_feature",
      "globally_enabled": false
    },
    {
      "name": "pclmulqdq",
      "implies_features": [
        "sse2"
      ],
      "unstable_feature_gate": null,
      "globally_enabled": false
    },
    {
      "name": "popcnt",
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      "globally_enabled": false
    },
    {
      "name": "prfchw",
      "implies_features": [],
      "unstable_feature_gate": "prfchw_target_feature",
      "globally_enabled": false
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    {
      "name": "rdrand",
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      "unstable_feature_gate": null,
      "globally_enabled": false
    },
    {
      "name": "rdseed",
      "implies_features": [],
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      "globally_enabled": false
    },
    {
      "name": "rtm",
      "implies_features": [],
      "unstable_feature_gate": "rtm_target_feature",
      "globally_enabled": false
    },
    {
      "name": "sha",
      "implies_features": [
        "sse2"
      ],
      "unstable_feature_gate": null,
      "globally_enabled": false
    },
    {
      "name": "sha512",
      "implies_features": [
        "avx2"
      ],
      "unstable_feature_gate": "sha512_sm_x86",
      "globally_enabled": false
    },
    {
      "name": "sm3",
      "implies_features": [
        "avx"
      ],
      "unstable_feature_gate": "sha512_sm_x86",
      "globally_enabled": false
    },
    {
      "name": "sm4",
      "implies_features": [
        "avx2"
      ],
      "unstable_feature_gate": "sha512_sm_x86",
      "globally_enabled": false
    },
    {
      "name": "soft-float",
      "implies_features": [],
      "unstable_feature_gate": "x87_target_feature",
      "globally_enabled": false
    },
    {
      "name": "sse",
      "implies_features": [],
      "unstable_feature_gate": null,
      "globally_enabled": true
    },
    {
      "name": "sse2",
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        "sse"
      ],
      "unstable_feature_gate": null,
      "globally_enabled": true
    },
    {
      "name": "sse3",
      "implies_features": [
        "sse2"
      ],
      "unstable_feature_gate": null,
      "globally_enabled": false
    },
    {
      "name": "sse4.1",
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      ],
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      "globally_enabled": false
    },
    {
      "name": "sse4.2",
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        "sse4.1"
      ],
      "unstable_feature_gate": null,
      "globally_enabled": false
    },
    {
      "name": "sse4a",
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        "sse3"
      ],
      "unstable_feature_gate": "sse4a_target_feature",
      "globally_enabled": false
    },
    {
      "name": "ssse3",
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        "sse3"
      ],
      "unstable_feature_gate": null,
      "globally_enabled": false
    },
    {
      "name": "tbm",
      "implies_features": [],
      "unstable_feature_gate": "tbm_target_feature",
      "globally_enabled": false
    },
    {
      "name": "vaes",
      "implies_features": [
        "avx2",
        "aes"
      ],
      "unstable_feature_gate": "avx512_target_feature",
      "globally_enabled": false
    },
    {
      "name": "vpclmulqdq",
      "implies_features": [
        "avx",
        "pclmulqdq"
      ],
      "unstable_feature_gate": "avx512_target_feature",
      "globally_enabled": false
    },
    {
      "name": "widekl",
      "implies_features": [
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      ],
      "unstable_feature_gate": "keylocker_x86",
      "globally_enabled": false
    },
    {
      "name": "x87",
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    {
      "name": "xop",
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        "avx",
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      "unstable_feature_gate": "xop_target_feature",
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    {
      "name": "xsave",
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    {
      "name": "xsavec",
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    {
      "name": "xsaveopt",
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    {
      "name": "xsaves",
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      ],
      "unstable_feature_gate": null,
      "globally_enabled": false
    }
  ]
}

x86_64-apple-darwin.json

{
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  "target_features": [
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      "name": "adx",
      "implies_features": [],
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      "globally_enabled": false
    },
    {
      "name": "amx-avx512",
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      ],
      "unstable_feature_gate": "x86_amx_intrinsics",
      "globally_enabled": false
    },
    {
      "name": "amx-bf16",
      "implies_features": [
        "amx-tile"
      ],
      "unstable_feature_gate": "x86_amx_intrinsics",
      "globally_enabled": false
    },
    {
      "name": "amx-complex",
      "implies_features": [
        "amx-tile"
      ],
      "unstable_feature_gate": "x86_amx_intrinsics",
      "globally_enabled": false
    },
    {
      "name": "amx-fp16",
      "implies_features": [
        "amx-tile"
      ],
      "unstable_feature_gate": "x86_amx_intrinsics",
      "globally_enabled": false
    },
    {
      "name": "amx-fp8",
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        "amx-tile"
      ],
      "unstable_feature_gate": "x86_amx_intrinsics",
      "globally_enabled": false
    },
    {
      "name": "amx-int8",
      "implies_features": [
        "amx-tile"
      ],
      "unstable_feature_gate": "x86_amx_intrinsics",
      "globally_enabled": false
    },
    {
      "name": "amx-movrs",
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        "amx-tile"
      ],
      "unstable_feature_gate": "x86_amx_intrinsics",
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    },
    {
      "name": "amx-tf32",
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        "amx-tile"
      ],
      "unstable_feature_gate": "x86_amx_intrinsics",
      "globally_enabled": false
    },
    {
      "name": "amx-tile",
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      "unstable_feature_gate": "x86_amx_intrinsics",
      "globally_enabled": false
    },
    {
      "name": "amx-transpose",
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      ],
      "unstable_feature_gate": "x86_amx_intrinsics",
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    },
    {
      "name": "avx",
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    },
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        "avx"
      ],
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      "globally_enabled": false
    },
    {
      "name": "avx512bf16",
      "implies_features": [
        "avx512bw"
      ],
      "unstable_feature_gate": "avx512_target_feature",
      "globally_enabled": false
    },
    {
      "name": "avx512bitalg",
      "implies_features": [
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      ],
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      "globally_enabled": false
    },
    {
      "name": "avx512bw",
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    },
    {
      "name": "avx512cd",
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      "unstable_feature_gate": "avx512_target_feature",
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    },
    {
      "name": "avx512dq",
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      ],
      "unstable_feature_gate": "avx512_target_feature",
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    },
    {
      "name": "avx512f",
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      ],
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    },
    {
      "name": "avx512fp16",
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        "avx512dq"
      ],
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    {
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      ],
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    },
    {
      "name": "avx512vbmi",
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      "unstable_feature_gate": "avx512_target_feature",
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    },
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      "name": "avx512vbmi2",
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    },
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    },
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    },
    {
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    },
    {
      "name": "avx512vpopcntdq",
      "implies_features": [
        "avx512f"
      ],
      "unstable_feature_gate": "avx512_target_feature",
      "globally_enabled": false
    },
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      "name": "avxifma",
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        "avx2"
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      "unstable_feature_gate": "avx512_target_feature",
      "globally_enabled": false
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      "name": "avxneconvert",
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        "avx2"
      ],
      "unstable_feature_gate": "avx512_target_feature",
      "globally_enabled": false
    },
    {
      "name": "avxvnni",
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        "avx2"
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      "unstable_feature_gate": "avx512_target_feature",
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    },
    {
      "name": "avxvnniint16",
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        "avx2"
      ],
      "unstable_feature_gate": "avx512_target_feature",
      "globally_enabled": false
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    {
      "name": "avxvnniint8",
      "implies_features": [
        "avx2"
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      "unstable_feature_gate": "avx512_target_feature",
      "globally_enabled": false
    },
    {
      "name": "bmi1",
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      "unstable_feature_gate": null,
      "globally_enabled": false
    },
    {
      "name": "bmi2",
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      "globally_enabled": false
    },
    {
      "name": "cmpxchg16b",
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      "globally_enabled": true
    },
    {
      "name": "ermsb",
      "implies_features": [],
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      "globally_enabled": false
    },
    {
      "name": "f16c",
      "implies_features": [
        "avx"
      ],
      "unstable_feature_gate": null,
      "globally_enabled": false
    },
    {
      "name": "fma",
      "implies_features": [
        "avx"
      ],
      "unstable_feature_gate": null,
      "globally_enabled": false
    },
    {
      "name": "fxsr",
      "implies_features": [],
      "unstable_feature_gate": null,
      "globally_enabled": true
    },
    {
      "name": "gfni",
      "implies_features": [
        "sse2"
      ],
      "unstable_feature_gate": "avx512_target_feature",
      "globally_enabled": false
    },
    {
      "name": "kl",
      "implies_features": [
        "sse2"
      ],
      "unstable_feature_gate": "keylocker_x86",
      "globally_enabled": false
    },
    {
      "name": "lahfsahf",
      "implies_features": [],
      "unstable_feature_gate": "lahfsahf_target_feature",
      "globally_enabled": true
    },
    {
      "name": "lzcnt",
      "implies_features": [],
      "unstable_feature_gate": null,
      "globally_enabled": false
    },
    {
      "name": "movbe",
      "implies_features": [],
      "unstable_feature_gate": null,
      "globally_enabled": false
    },
    {
      "name": "movrs",
      "implies_features": [],
      "unstable_feature_gate": "movrs_target_feature",
      "globally_enabled": false
    },
    {
      "name": "pclmulqdq",
      "implies_features": [
        "sse2"
      ],
      "unstable_feature_gate": null,
      "globally_enabled": false
    },
    {
      "name": "popcnt",
      "implies_features": [],
      "unstable_feature_gate": null,
      "globally_enabled": false
    },
    {
      "name": "prfchw",
      "implies_features": [],
      "unstable_feature_gate": "prfchw_target_feature",
      "globally_enabled": false
    },
    {
      "name": "rdrand",
      "implies_features": [],
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      "globally_enabled": false
    },
    {
      "name": "rdseed",
      "implies_features": [],
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      "globally_enabled": false
    },
    {
      "name": "rtm",
      "implies_features": [],
      "unstable_feature_gate": "rtm_target_feature",
      "globally_enabled": false
    },
    {
      "name": "sha",
      "implies_features": [
        "sse2"
      ],
      "unstable_feature_gate": null,
      "globally_enabled": false
    },
    {
      "name": "sha512",
      "implies_features": [
        "avx2"
      ],
      "unstable_feature_gate": "sha512_sm_x86",
      "globally_enabled": false
    },
    {
      "name": "sm3",
      "implies_features": [
        "avx"
      ],
      "unstable_feature_gate": "sha512_sm_x86",
      "globally_enabled": false
    },
    {
      "name": "sm4",
      "implies_features": [
        "avx2"
      ],
      "unstable_feature_gate": "sha512_sm_x86",
      "globally_enabled": false
    },
    {
      "name": "soft-float",
      "implies_features": [],
      "unstable_feature_gate": "x87_target_feature",
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    },
    {
      "name": "sse",
      "implies_features": [],
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    },
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      "name": "sse2",
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      "globally_enabled": true
    },
    {
      "name": "sse3",
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      ],
      "unstable_feature_gate": null,
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    {
      "name": "sse4.1",
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    {
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      "unstable_feature_gate": "sse4a_target_feature",
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        "sse3"
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      "name": "vaes",
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        "avx2",
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      "unstable_feature_gate": "avx512_target_feature",
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      "name": "vpclmulqdq",
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        "avx",
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      "name": "widekl",
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        "xsave"
      ],
      "unstable_feature_gate": null,
      "globally_enabled": false
    }
  ]
}

x86_64-pc-windows-gnu.json

{
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    },
    {
      "name": "amx-avx512",
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      "unstable_feature_gate": "x86_amx_intrinsics",
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    },
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      "name": "amx-complex",
      "implies_features": [
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      "globally_enabled": false
    },
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      "name": "amx-fp16",
      "implies_features": [
        "amx-tile"
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      "globally_enabled": false
    },
    {
      "name": "amx-fp8",
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      ],
      "unstable_feature_gate": "x86_amx_intrinsics",
      "globally_enabled": false
    },
    {
      "name": "amx-int8",
      "implies_features": [
        "amx-tile"
      ],
      "unstable_feature_gate": "x86_amx_intrinsics",
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    },
    {
      "name": "amx-movrs",
      "implies_features": [
        "amx-tile"
      ],
      "unstable_feature_gate": "x86_amx_intrinsics",
      "globally_enabled": false
    },
    {
      "name": "amx-tf32",
      "implies_features": [
        "amx-tile"
      ],
      "unstable_feature_gate": "x86_amx_intrinsics",
      "globally_enabled": false
    },
    {
      "name": "amx-tile",
      "implies_features": [],
      "unstable_feature_gate": "x86_amx_intrinsics",
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    },
    {
      "name": "amx-transpose",
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        "amx-tile"
      ],
      "unstable_feature_gate": "x86_amx_intrinsics",
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    },
    {
      "name": "avx",
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        "avx"
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    },
    {
      "name": "avx512bf16",
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        "avx512bw"
      ],
      "unstable_feature_gate": "avx512_target_feature",
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    {
      "name": "avx512bitalg",
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    {
      "name": "avx512bw",
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      "globally_enabled": false
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    {
      "name": "avx512cd",
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        "avx512f"
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      "unstable_feature_gate": "avx512_target_feature",
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    },
    {
      "name": "avx512dq",
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      "unstable_feature_gate": "avx512_target_feature",
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    {
      "name": "avx512f",
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        "f16c"
      ],
      "unstable_feature_gate": "avx512_target_feature",
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    },
    {
      "name": "avx512fp16",
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        "avx512vl",
        "avx512dq"
      ],
      "unstable_feature_gate": "avx512_target_feature",
      "globally_enabled": false
    },
    {
      "name": "avx512ifma",
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        "avx512f"
      ],
      "unstable_feature_gate": "avx512_target_feature",
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    {
      "name": "avx512vbmi",
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      "unstable_feature_gate": "avx512_target_feature",
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    {
      "name": "avx512vbmi2",
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      "globally_enabled": false
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    {
      "name": "avx512vl",
      "implies_features": [
        "avx512f"
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      "unstable_feature_gate": "avx512_target_feature",
      "globally_enabled": false
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      "name": "avx512vnni",
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    {
      "name": "avx512vp2intersect",
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        "avx512f"
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      "unstable_feature_gate": "avx512_target_feature",
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    },
    {
      "name": "avx512vpopcntdq",
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      ],
      "unstable_feature_gate": "avx512_target_feature",
      "globally_enabled": false
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      "name": "avxifma",
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      "unstable_feature_gate": "avx512_target_feature",
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    {
      "name": "avxvnniint16",
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      "unstable_feature_gate": "avx512_target_feature",
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      "name": "avxvnniint8",
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      "unstable_feature_gate": "avx512_target_feature",
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    },
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      "name": "bmi2",
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    },
    {
      "name": "cmpxchg16b",
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      "globally_enabled": true
    },
    {
      "name": "ermsb",
      "implies_features": [],
      "unstable_feature_gate": "ermsb_target_feature",
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    },
    {
      "name": "f16c",
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        "avx"
      ],
      "unstable_feature_gate": null,
      "globally_enabled": false
    },
    {
      "name": "fma",
      "implies_features": [
        "avx"
      ],
      "unstable_feature_gate": null,
      "globally_enabled": false
    },
    {
      "name": "fxsr",
      "implies_features": [],
      "unstable_feature_gate": null,
      "globally_enabled": true
    },
    {
      "name": "gfni",
      "implies_features": [
        "sse2"
      ],
      "unstable_feature_gate": "avx512_target_feature",
      "globally_enabled": false
    },
    {
      "name": "kl",
      "implies_features": [
        "sse2"
      ],
      "unstable_feature_gate": "keylocker_x86",
      "globally_enabled": false
    },
    {
      "name": "lahfsahf",
      "implies_features": [],
      "unstable_feature_gate": "lahfsahf_target_feature",
      "globally_enabled": true
    },
    {
      "name": "lzcnt",
      "implies_features": [],
      "unstable_feature_gate": null,
      "globally_enabled": false
    },
    {
      "name": "movbe",
      "implies_features": [],
      "unstable_feature_gate": null,
      "globally_enabled": false
    },
    {
      "name": "movrs",
      "implies_features": [],
      "unstable_feature_gate": "movrs_target_feature",
      "globally_enabled": false
    },
    {
      "name": "pclmulqdq",
      "implies_features": [
        "sse2"
      ],
      "unstable_feature_gate": null,
      "globally_enabled": false
    },
    {
      "name": "popcnt",
      "implies_features": [],
      "unstable_feature_gate": null,
      "globally_enabled": false
    },
    {
      "name": "prfchw",
      "implies_features": [],
      "unstable_feature_gate": "prfchw_target_feature",
      "globally_enabled": false
    },
    {
      "name": "rdrand",
      "implies_features": [],
      "unstable_feature_gate": null,
      "globally_enabled": false
    },
    {
      "name": "rdseed",
      "implies_features": [],
      "unstable_feature_gate": null,
      "globally_enabled": false
    },
    {
      "name": "rtm",
      "implies_features": [],
      "unstable_feature_gate": "rtm_target_feature",
      "globally_enabled": false
    },
    {
      "name": "sha",
      "implies_features": [
        "sse2"
      ],
      "unstable_feature_gate": null,
      "globally_enabled": false
    },
    {
      "name": "sha512",
      "implies_features": [
        "avx2"
      ],
      "unstable_feature_gate": "sha512_sm_x86",
      "globally_enabled": false
    },
    {
      "name": "sm3",
      "implies_features": [
        "avx"
      ],
      "unstable_feature_gate": "sha512_sm_x86",
      "globally_enabled": false
    },
    {
      "name": "sm4",
      "implies_features": [
        "avx2"
      ],
      "unstable_feature_gate": "sha512_sm_x86",
      "globally_enabled": false
    },
    {
      "name": "soft-float",
      "implies_features": [],
      "unstable_feature_gate": "x87_target_feature",
      "globally_enabled": false
    },
    {
      "name": "sse",
      "implies_features": [],
      "unstable_feature_gate": null,
      "globally_enabled": true
    },
    {
      "name": "sse2",
      "implies_features": [
        "sse"
      ],
      "unstable_feature_gate": null,
      "globally_enabled": true
    },
    {
      "name": "sse3",
      "implies_features": [
        "sse2"
      ],
      "unstable_feature_gate": null,
      "globally_enabled": true
    },
    {
      "name": "sse4.1",
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        "ssse3"
      ],
      "unstable_feature_gate": null,
      "globally_enabled": false
    },
    {
      "name": "sse4.2",
      "implies_features": [
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      ],
      "unstable_feature_gate": null,
      "globally_enabled": false
    },
    {
      "name": "sse4a",
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        "sse3"
      ],
      "unstable_feature_gate": "sse4a_target_feature",
      "globally_enabled": false
    },
    {
      "name": "ssse3",
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      "unstable_feature_gate": null,
      "globally_enabled": false
    },
    {
      "name": "tbm",
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      "unstable_feature_gate": "tbm_target_feature",
      "globally_enabled": false
    },
    {
      "name": "vaes",
      "implies_features": [
        "avx2",
        "aes"
      ],
      "unstable_feature_gate": "avx512_target_feature",
      "globally_enabled": false
    },
    {
      "name": "vpclmulqdq",
      "implies_features": [
        "avx",
        "pclmulqdq"
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      "unstable_feature_gate": "avx512_target_feature",
      "globally_enabled": false
    },
    {
      "name": "widekl",
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      ],
      "unstable_feature_gate": "keylocker_x86",
      "globally_enabled": false
    },
    {
      "name": "x87",
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    {
      "name": "xop",
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      "unstable_feature_gate": "xop_target_feature",
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    },
    {
      "name": "xsave",
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    },
    {
      "name": "xsavec",
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    },
    {
      "name": "xsaveopt",
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    {
      "name": "xsaves",
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        "xsave"
      ],
      "unstable_feature_gate": null,
      "globally_enabled": false
    }
  ]
}

x86_64-pc-windows-msvc.json

{
  "triple": "x86_64-pc-windows-msvc",
  "target_features": [
    {
      "name": "adx",
      "implies_features": [],
      "unstable_feature_gate": null,
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    },
    {
      "name": "aes",
      "implies_features": [
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      ],
      "unstable_feature_gate": null,
      "globally_enabled": false
    },
    {
      "name": "amx-avx512",
      "implies_features": [
        "amx-tile"
      ],
      "unstable_feature_gate": "x86_amx_intrinsics",
      "globally_enabled": false
    },
    {
      "name": "amx-bf16",
      "implies_features": [
        "amx-tile"
      ],
      "unstable_feature_gate": "x86_amx_intrinsics",
      "globally_enabled": false
    },
    {
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}

x86_64-unknown-linux-gnu.json

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    },
    {
      "name": "sm3",
      "implies_features": [
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      ],
      "unstable_feature_gate": "sha512_sm_x86",
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    },
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      "name": "sm4",
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      "unstable_feature_gate": "sha512_sm_x86",
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    },
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      "name": "soft-float",
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    },
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      "name": "sse",
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    },
    {
      "name": "sse2",
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      "unstable_feature_gate": null,
      "globally_enabled": true
    },
    {
      "name": "sse3",
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      "unstable_feature_gate": null,
      "globally_enabled": false
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      "name": "sse4.1",
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      "unstable_feature_gate": null,
      "globally_enabled": false
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      "name": "sse4.2",
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      ],
      "unstable_feature_gate": null,
      "globally_enabled": false
    },
    {
      "name": "sse4a",
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        "sse3"
      ],
      "unstable_feature_gate": "sse4a_target_feature",
      "globally_enabled": false
    },
    {
      "name": "ssse3",
      "implies_features": [
        "sse3"
      ],
      "unstable_feature_gate": null,
      "globally_enabled": false
    },
    {
      "name": "tbm",
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      "unstable_feature_gate": "tbm_target_feature",
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    },
    {
      "name": "vaes",
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        "avx2",
        "aes"
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      "unstable_feature_gate": "avx512_target_feature",
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    },
    {
      "name": "vpclmulqdq",
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      "unstable_feature_gate": "avx512_target_feature",
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      "name": "widekl",
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      "name": "x87",
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      "name": "xop",
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      "unstable_feature_gate": "xop_target_feature",
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      "name": "xsave",
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      "name": "xsavec",
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      "name": "xsaveopt",
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      "name": "xsaves",
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      "unstable_feature_gate": null,
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  ]
}