module _Builtin_intrinsics [system] {
  explicit module altivec {
    requires altivec
    header "altivec.h"
  }

  explicit module arm {
    requires arm

    explicit module neon {
      requires neon
      header "arm_neon.h"
      export *
    }
  }

  explicit module intel {
    requires x86
    export *

    header "immintrin.h"
    header "x86intrin.h"

    explicit module mm_malloc {
      header "mm_malloc.h"
      export * // note: for <stdlib.h> dependency
    }

    explicit module cpuid {
      requires x86
      header "cpuid.h"
    }

    explicit module mmx {
      requires mmx
      header "mmintrin.h"
    }

    explicit module f16c {
      requires f16c
      header "f16cintrin.h"
    }

    explicit module sse {
      requires sse
      export mmx
      export * // note: for hackish <emmintrin.h> dependency
      header "xmmintrin.h"
    }

    explicit module sse2 {
      requires sse2
      export sse
      header "emmintrin.h"
    }

    explicit module sse3 {
      requires sse3
      export sse2
      header "pmmintrin.h"
    }

    explicit module ssse3 {
      requires ssse3
      export sse3
      header "tmmintrin.h"
    }

    explicit module sse4_1 {
      requires sse41
      export ssse3
      header "smmintrin.h"
    }

    explicit module sse4_2 {
      requires sse42
      export sse4_1
      header "nmmintrin.h"
    }

    explicit module sse4a {
      requires sse4a
      export sse3
      header "ammintrin.h"
    }

    explicit module avx {
      requires avx
      export sse4_2
      header "avxintrin.h"
    }

    explicit module avx2 {
      requires avx2
      export avx
      header "avx2intrin.h"
    }

    explicit module bmi {
      requires bmi
      header "bmiintrin.h"
    }

    explicit module bmi2 {
      requires bmi2
      header "bmi2intrin.h"
    }

    explicit module fma {
      requires fma
      header "fmaintrin.h"
    }

    explicit module fma4 {
      requires fma4
      export sse3
      header "fma4intrin.h"
    }

    explicit module lzcnt {
      requires lzcnt
      header "lzcntintrin.h"
    }

    explicit module popcnt {
      requires popcnt
      header "popcntintrin.h"
    }

    explicit module mm3dnow {
      requires mm3dnow
      header "mm3dnow.h"
    }

    explicit module xop {
      requires xop
      export fma4
      header "xopintrin.h"
    }

    explicit module aes_pclmul {
      requires aes, pclmul
      header "wmmintrin.h"
    }

    explicit module aes {
      requires aes
      header "__wmmintrin_aes.h"
    }

    explicit module pclmul {
      requires pclmul
      header "__wmmintrin_pclmul.h"
    }
  }
}