nop

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See also: Nop

English[edit]

Etymology 1[edit]

Alternative forms[edit]

Noun[edit]

nop (plural nops)

  1. (programming) A no-op; a CPU instruction that does nothing.
    • 1999, Dominic Sweetman, See MIPS Run:
      The MIPS instruction set is rich in nops, since any instruction with zero as a destination is guaranteed to do nothing.
    • 2004, Patterson et al, Computer Organization and Design: The Hardware/Software Interface
      Notice that in computing CPI or IPC, we do not count any nops executed as useful instructions.
Synonyms[edit]
Derived terms[edit]

Verb[edit]

nop (third-person singular simple present nops, present participle nopping, simple past and past participle nopped)

  1. (programming) To replace machine code with nop instructions when modifying software.
    • 1992, The Cyborg, The Cracking Manual:
      For example, if there is a CALL 3140 and we want to skip this call, we can NOP it out.
    • 2012, Michael W. Berry, Kyle A. Gallivan, Efstratios Gallopoulos, High-Performance Scientific Computing: Algorithms and Applications
      Worse, some patching can result in codes which cannot be executed: for example nopping the load which provides the value for the denominator of a division can result in a division by zero.

Etymology 2[edit]

Interjection[edit]

nop

  1. (informal, rare) Alternative form of nope

Anagrams[edit]


Italian[edit]

Etymology[edit]

(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.)

Pronunciation[edit]

Interjection[edit]

nop

  1. (informal, neologism) nope

Portuguese[edit]

Etymology[edit]

(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.)

Pronunciation[edit]

Interjection[edit]

nop

  1. (informal, neologism) nope

Seri[edit]

Rotluchs2.jpg

Noun[edit]

nop (plural nopxam)

  1. bobcat, Lynx rufus

Spanish[edit]

Etymology[edit]

Possibly loaned from nope

Pronunciation[edit]

Interjection[edit]

nop

  1. (informal, neologism) nope

See also[edit]