nop
English edit
Pronunciation edit
- (Received Pronunciation) IPA(key): /nɒp/
- (General American) IPA(key): /nɔp/
Audio (Southern England) (file) - Rhymes: -ɒp
Etymology 1 edit
Alternative forms edit
Noun edit
nop (plural nops)
- (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)
- (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
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
Portuguese edit
Etymology edit
Pronunciation edit
Interjection edit
nop
Seri edit
Noun edit
nop (plural nopxam)
References edit
- Moser, Mary B., Marlett, Stephen A. (2010) Comcaac quih yaza quih hant ihiip hac: cmiique iitom - cocsar iitom - maricaana iitom [Seri-Spanish-English Dictionary], 2nd edition, Hermosillo: Plaza y Valdés Editores, →ISBN, page 454.
Spanish edit
Etymology edit
Possibly loaned from English nope.
Pronunciation edit
Interjection edit
nop