IBM Z Software


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C/C++ and Fortran Compilers

Showing 51 of 8216

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...
about 2 months ago in C/C++ and Fortran Compilers / AIX 1 Under review

Enabling the IBM LinuxONE and IBM Power 10 ( or later ) C/C++ Compilers to integrate with Intel oneAPI

Intel oneAPI is an open, cross-architecture programming model that frees developers to use a single code base across multiple architectures. The result is accelerated compute without vendor lock-in. for more information : https://www.intel.com/con...
about 1 year ago in C/C++ and Fortran Compilers / C/C++ 5 Not under consideration

Adding IBM Deep search with ChatGPT Codex (or IBM Coding Services) by AI driven Coding training and inference ( can be Human Supervised)

Using IBM Deep search with Coding services will train the AI System for Optimized code and it will make the software development more efficient in coding, testing, tracking and debugging. Also may be add the AI driven DevOps Orchestration
about 1 year ago in C/C++ and Fortran Compilers / C/C++ 11 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...
almost 2 years ago in C/C++ and Fortran Compilers / z/OS 2 Not under consideration

Have C compile optionally use non deprecated instruction BALR and use BASR

Today if I want to call an assembler program from C it uses BALR. This is deprecated, and I need special code to support it. The compiler needs an option to say "use Branch and save (BASR) instead of BALR"
almost 2 years ago in C/C++ and Fortran Compilers / C/C++ 8 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.
almost 3 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.
about 3 years ago in C/C++ and Fortran Compilers / C/C++ 5 Not under consideration

SASC/C++ Compiler Migration to XL C/C++

Below SASC/C++ functions are not available in XL C/C++ for RUV product. Could you please provide this functionality? S No. Function/ Parameters Description1 abort abnormally terminate execution2 access test for the existence and access privileges ...
over 3 years ago in C/C++ and Fortran Compilers / C/C++ 3 Not under consideration

Add support for function inlining at OPT(0) [Metal C]

The METAL option of the xlc compiler does not support selectively inlining functions without optimizing the rest of the code We would like to be able to use a compiler attribute (such as "__always_inline__" or "_inline") to force inlining of certa...
over 3 years ago in C/C++ and Fortran Compilers / C/C++ 2 Not under consideration

XL Fortran Bogus Error on Assumed Shape Dummy Argument of BIND(C) Procedure

The XL Fortran compiler gives a bogus error message for the below valid Fortran program. The restriction that presumably generates this error message was replaced in Fortran 2018 standard (sec 18.3.6 point 5). Furthermore, the XL compiler provides...
about 4 years ago in C/C++ and Fortran Compilers / Fortran 1 Future consideration

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