IBM Z Software


This portal is to open public enhancement requests against IBM Z Software products. To view all of your ideas submitted to IBM, create and manage groups of Ideas, or create an idea explicitly set to be either visible by all (public) or visible only to you and IBM (private), use the IBM Unified Ideas Portal (https://ideas.ibm.com).


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Ideas

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    redefining functions in header files - do it the right way

    When functions in header files need to be redefined (e.g. to get new default behavior),this should NOT be done by just renaming them with a simple '#define func_new func_old'.Instead, macros should be used like it was done for older XL C/C++ compi...
    almost 2 years ago in C/C++ and Fortran Compilers / AIX 4 Not under consideration

    more configurable BIND module for program level parameters

    * BIND dynamically * *** this module is already developed by CIO *** The actual bind module parameters are staticly defined in the environment file. This doesn't allows set parameters by DBRM files. There should be a bind instruction file w...
    about 1 year ago in IBM Developer for z/OS / Wazi Deploy 3 Not under consideration

    Provide CLANG scan-build tool on AIX for Open XL C 17.1+

    Provide the scan-build tool to front-end CLANG static analysis. This would greatly aide in migrating codebases from older versions of XL C to the new compilers. All compiler users on AIX would benefit.
    about 1 year ago in C/C++ and Fortran Compilers / AIX 2 Not under consideration

    Improve the loading performance in CICS IA

    When loading a huge data array from VSAM affinity files into DB2 database affinity tables, CIUAFFLD job takes long time to be processed.
    over 10 years ago in CICS Interdependency Analyzer for z/OS / Runtime 3 Not under consideration

    CPU excessive when collecting data using CICS IA 5.1 and CICS IA 5.2.

    Customer attempts to collect data using CICS Interdependency Analyzer. The CPU increases significantly when when CICS IA is activated. Customer performed tests where CICS CPU performance increased from 27% to 62% under CICS IA 5.1. There is some i...
    over 10 years ago in CICS Interdependency Analyzer for z/OS / Runtime 3 Not under consideration

    Ship as PDSE for performance

    With C header files in PDSes they cannot be cached in Z/OS and every compile needs to fetch from disk. If these were in PDSEs they they can be cached and avoid the I/O. See https://colinpaice.blog/2020/11/23/avoiding-i-o-by-caching-your-pdses-it-m...
    over 3 years ago in C/C++ and Fortran Compilers / z/OS 2 Not under consideration

    Support for __ptr64 qualifier in LE C

    LE C compiler should support the __ptr64 qualifier for 64-bit pointers in 31-bit (or 64-bit) code, as it does for Metal C. Furthermore, EDCDSECT should convert a 64-bit addresses (declared as "AD") to "void * __ptr64", for consistency.
    over 4 years ago in C/C++ and Fortran Compilers / C/C++ 2 Not under consideration

    Port patch https://www.ibm.com/support/pages/apar/PI41717 from zOS for IBM i

    Please port the patch https://www.ibm.com/support/pages/apar/PI41717 which is for zOS to IBM i, the same error exists in the sources of the IBM i hash function.
    almost 5 years ago in C/C++ and Fortran Compilers / C/C++ 5 Not under consideration

    Enhance constant propagation

    The optimizer should take advantage of constantness of variables and propagate their values into generated instructions.
    over 8 years ago in C/C++ and Fortran Compilers / C/C++ 3 Not under consideration

    Enhance compiler optimizer

    The compiler should generate more efficient code for testing bitfields when the bits tested are located in the same byte.
    over 8 years ago in C/C++ and Fortran Compilers / C/C++ 3 Not under consideration

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