decode 660fbec2 "[MOVSX REG2:0 REG1:2]"
decode 0fbec2 "[MOVSX REG4:0 REG1:2]"
decode 0fbfc2 "[MOVSX REG4:0 REG2:2]"
decode64 480fbfc2 "[MOVSX REG8:0 REG2:2]"
decode64 4863c2 "[MOVSX REG8:0 REG4:2]"