x86-64 Instructions to Include

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x86-64 C-Intrinsic reference from MSDN Library:
Mnemonic
 Description
 C-Intrinsic
 Remark
bsf
 bit scan forward
 _BitScanForward64
bsr
 bit scan reverse
 _BitScanReverse64
bswap
 byte swap
 _byteswap_uint64
bt
 bit test
 _bittest64
btc
 bit test and complement
 _bittestandcomplement64
btr
 bit test and reset
 _bittestandreset64
bts
 bit test and set
 _bittestandset64
cpuid
 cpuid
 _cpuid
 cpuid
imul
 signed multiplication
 _mulh, _mul128
lzcnt
 leading zero count
 _lzcnt16, _lzcnt, _lzcnt64
 cpuid, SSE4a
mul
 unsigned multiplication
 _umulh, _umul128
popcnt
 population count
 _mm_popcnt_u64,
_popcnt16, _popcnt, _popcnt64
 cpuid, SSE4.2, SSE4a
rdtsc
 read performance counter
 _rdtsc
rol, ror
 rotate left, right
 _rotl, _rotl64, _rotr_rotr64