Advanced compilation and optimization technologies designed for AIX and Power Systems

IBM XL C for AIX is a compiler that helps you create and maintain applications written in C for IBM Power Systems™. XL C for AIX supports vector and parallel programming for multiprocessor systems, while maintaining a full binary compatibility with existing single processor systems. This compiler complies with the latest international programming language standards providing support for code portability between multiple operating systems and hardware platforms.

Performance tuning

Math libraries and utilities

Standards compliance

XL C for AIX resources

Buy XL C for AIX

Advanced compilation and optimization technologies designed for AIX and Power Systems

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XL C for AIX, V12.1



Operating System Software Hardware
AIX IBM AIX 5.3 TL 5300-07 or later
IBM AIX 6.1
IBM AIX 7.1
IBM PASE for i 6.1 with PTF SI30636 or later
IBM PASE for i 7.1
IBM Power System servers supporting the IBM Power Architecture

430 MB disk space

XL C for AIX, V11.1



Operating System Software Hardware
AIX IBM AIX 5.3 TL 5300-07 or higher
IBM AIX 6.1
IBM AIX 7.1 (IZ84777)
IBM PASE for i 6.1 with PTF SI30636 or higher
IBM PASE for i 7.1 (IV40452)
IBM Power System servers supporting the IBM Power Architecture

430 MB disk space

XL C for AIX, V10.1



Operating System Software Hardware
AIX IBM AIX V5.3 TL 5300-06, or higher
IBM AIX V6.1
IBM AIX 7.1 (IZ86180)
IBM i V6.1 PASE
IBM Power System servers supporting the IBM Power Architecture

430 MB disk space
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