x86-64 Instructions to Include

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