A microprocessor for generating a packed sum of absolute differences is disclosed. The microprocessor includes an instruction translator, for translating a Multimedia Extensions (MMX) Packed Sum of Absolute Differences Byte to Word (PSADBW) macroinstruction into at least first and second microinstructions....http://www.google.com/patents/US7480685?utm_source=gb-gplus-sharePatent US7480685 - Apparatus and method for generating packed sum of absolute differences
