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Submitting Ideas for new C/C++ Compiler features

Originally posted by: Roland K C/C++ Compilers are now live on the Request for Enhancement (RFE) Community. It is a great place where you can collaborate with development teams and other product users. Our development team will review your RFE and provide status updates throughout its...

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A compiler option that helps debug optimized code

Originally posted by: melaniejs Debugging optimized code has always been a challenging task, because it could make the program state not available to debuggers. Optimization can change the sequence of operations, add or remove code, change variable data locations, and perform other...

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A new test selection technique that uses IBM XL C/C++ and Fortran compilers to build smarter test environments

Originally posted by: melaniejs Igor Todorovski, Jean Saad, and Francesco Cassullo introduce a test selection technique to reduce the number of test cases used for regression testing without degrading test coverage. It uses profile data from the function tracing feature (functrace) of the...

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New XL compiler exercises

Originally posted by: melaniejs Check out new exercises in the Power sandbox. You can find them here Experience new features available with the latest XL C/C++ compiler including introduction to C++11, the benefits of C++11, compiling with a list of options defined in a file, and...

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Support for ISO C11 added to IBM XL C/C++ compilers

Originally posted by: melaniejs The new ISO C programming language standard provides several features to aid in programming productivity, debugging, and performance. Rajan Bhakta explains which of these are already included in IBM XL compilers for easier debugging and improved...

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Experience the latest XL C/C++ compilers on AIX and Linux - Download a trial

Originally posted by: melaniejs Looking to see and learn about the latest compiler enhancements in XL C/C++ on AIX and Linux. Download a trial. Here is quick recap of some of the highlights of these new compilers: Compliance to ISO programming language standards including C99 and...

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Want to easily integrate parts written in different programming languages

Originally posted by: melaniejs Check-out this tutorial to learn how to use the interoperability features of the IBM XL Fortran and the IBM XL C/C++ compiler to integrate Fortran, C and Java source code into an application. The demonstration shows how to call Java source routines from...

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C Interoperability: Logical types and C_LOC

Originally posted by: Rafik Zurob C interoperability is one of the most popular features of Fortran 2003. Recently, I was part of a discussion about why XL Fortran flags the following as invalid: use iso c binding type(c ptr) p logical(8), target :: logicalarray(20) p = c loc...

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Performance Gain with Newer XLC Compiler

Originally posted by: Anh Tuyen Tran Programmers put effort into optimizing their applications for performance. Still, performance gain could also be achieved by simply switching to a newer version of IBM compiler. Although improvement might vary depending on the design and...

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Interested in using DWARF debug format on AIX7.1?

Originally posted by: Annie Cheng Interested in using DWARF debug format on AIX7.1? Besides the OS debug support, you also need the compiler to generate DWARF debug format for your programs in the first place. Starting from the September 2010 PTFs for XL C for AIX, V11.1 , XL C/C++ for...

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