REX.B=0 REX.B=1 MODREGR/M
REX.B=0 REX.B=1 MOD000001010011100101110111R/M
[rAX][r8]000008101820283038000
[rCX][r9]000109111921293139001
[rDX][r10]00020A121A222A323A010
[rBX][r11]00030B131B232B333B011
SIB2SIB200040C141C242C343C100
[rIP] + disp32 or disp323[rIP] + disp32 or disp32300050D151D252D353D101
[rSI][r14]00060E161E262E363E110
[rDI][r15]00070F171F272F373F111
AL/rAX/MMX0/XMM0/YMM0r8/MMX0/XMM8/YMM811C0C8D0D8E0E8F0F8000
CL/rCX/MMX1/XMM1/YMM1r9/MMX1/XMM9/YMM911C1C9D1D9E1E9F1F9001
DL/rDX/MMX2/XMM2/YMM2r10/MMX2/XMM10/YMM1011C2CAD2DAE2EAF2FA010
BL/rBX/MMX3/XMM3/YMM3r11/MMX3/XMM11/YMM1111C3CBD3DBE3EBF3FB011
AH/SPL/rSP/MMX4 XMM4/YMM4r12/MMX4/XMM12/YMM1211C4CCD4DCE4ECF4FC100
CH/BPL/rBP/MMX5/XMM5/YMM5r13/MMX5/XMM13/YMM1311C5CDD5DDE5EDF5FD101
DH/SIL/rSI/MMX6/XMM6/YMM6r14/MMX6/XMM14/YMM1411C6CED6DEE6EEF6FE110
BH/DIL/rDI/MMX7/XMM7/YMM7r15/MMX7/XMM15/YMM1511C7CFD7DFE7EFF7FF111