question: public static boolean isBinaryInstruction ( final String mnemonic ) { return mnemonic . equals ( ReilHelpers . OPCODE_ADD ) || mnemonic . equals ( ReilHelpers . OPCODE_SUB ) || mnemonic . equals ( ReilHelpers . OPCODE_MUL ) || mnemonic . equals ( ReilHelpers . OPCODE_DIV ) || mnemonic . equals ( ReilHelpers . OPCODE_BSH ) || mnemonic . equals ( ReilHelpers . OPCODE_AND ) || mnemonic . equals ( ReilHelpers . OPCODE_OR ) || mnemonic . equals ( ReilHelpers . OPCODE_XOR ) ; }
target:  Checks whether instructions with the given mnemonic use all three of their operands.