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=== Inline Assembly ===
Programs developed in C or C++ often utilize inline assembly to take advantage of its low-level functionalities, greater speed, and enhanced control compared to high-level programming languages<ref name="Bokil2021">Bokil, Milind A. (2021). "[https://www.researchgate.net/publication/354744729_Writing_Assembly_Routines_within_CC_and_Java_Programs Writing Assembly Routines within C/C++ and Java Programs]". ResearchGate. Retrieved April 1, 2025.</ref><ref name="Vilhena2024">Vilhena,{{cite Paulojournal Emílio de; Lahav, Ori;| Vafeiadis, Viktor; Raad, Azalea (2024). "[url=https://doi.org/10.1145/3689749 | doi=10.1145/3689749 | title=Extending the C/C++ Memory Model with Inline Assembly]". | date=2024 | last1=De Vilhena | first1=Paulo Emílio | last2=Lahav | first2=Ori | last3=Vafeiadis | first3=Viktor | last4=Raad | first4=Azalea | journal=Proceedings of the ACM on Programming Languages, Vol.| volume=8, OOPSLA2,| Articlepages=1081–1107 309. doi:10.1145/3689749.}}</ref> when optimizing for performance is essential. C++ provides support for embedding [[Assembly language|assembly]] language using asm declarations<ref name="cppreferenceAsm">cppreference.com contributors. "[https://en.cppreference.com/w/cpp/language/asm asm declaration]". ''cppreference.com''. Retrieved April 1, 2025.</ref>, but the compatibility of [[inline assembly]] varies significantly between [[compilers]] and architectures. Unlike high-level language features such as [[Python (programming language)|Python]] or [[Java (programming language) |Java]], assembly code is highly dependent on the underlying processor and compiler implementation.
 
==== Variations across compilers ====