1 1 9.15.13 AMD's Trailing Bit Manipulation Instructions 1 ---------------------------------------------------- 1 1 'as' supports AMD's Trailing Bit Manipulation (TBM) instruction set, 1 available on AMD's BDVER2 processors (Trinity and Viperfish). 1 1 TBM instructions provide instructions implementing individual bit 1 manipulation operations such as isolating, masking, setting, resetting, 1 complementing, and operations on trailing zeros and ones. 1