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Instruction set architecture
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====Arithmetic and logic operations==== *''Add'', ''subtract'', ''multiply'', or ''divide'' the values of two registers, placing the result in a register, possibly setting one or more [[flag (programming)|condition codes]] in a [[status register]].{{Sfn|Hennessy|Patterson|2003|p=108}} **''{{vanchor|increment}}'', ''{{vanchor|decrement}}'' in some ISAs, saving operand fetch in trivial cases. *Perform [[bitwise operation]]s, e.g., taking the ''[[logical conjunction|conjunction]]'' and ''[[logical disjunction|disjunction]]'' of corresponding bits in a pair of registers, taking the ''[[logical negation|negation]]'' of each bit in a register. *''Compare'' two values in registers (for example, to see if one is less, or if they are equal). *''{{vanchor|Floating-point instruction}}s'' for arithmetic on floating-point numbers.{{Sfn|Hennessy|Patterson|2003|p=108}}
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