IBM Z Software


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C/C++

Showing 42 of 8226

Support for calling Non-LE OS 31 linkage from xlclang++ in 64 bit mode.

Allow calling existing legacy Non-LE OS 31 from xlclang++ in 64 bit mode. Allow the generation of the OS 31 parameter list. It is the responsibility of the caller to make sure addresses and memory are below the bar. The compiler merely generates O...
over 4 years ago in C/C++ and Fortran Compilers / C/C++ 2 Future consideration

Support for generating AMODE 31 with xlclang++

CICS does not support 64 bit LE programs. xlclang++ cannot be used for CICS development.
over 4 years ago in C/C++ and Fortran Compilers / C/C++ 2 Future consideration

XL: Support linking objects compiled with clang++ and xlc or xlf that use OpenMP GPU offloading

SalesForce Case TS001968579PMR 82483,227,000 XLF compiler: Errors linking objects compiled with clang++ and xlc or xlf that use OpenMP GPU offloading. LLNL is having problems linking objects that were compiled using the clang++ (LLVM) and XLF (or ...
almost 5 years ago in C/C++ and Fortran Compilers / C/C++ 2 Not under consideration

Metal C - Compiler option to specify a register to map DSA

Currently Metal C uses Register 13 to map the DSA. Pls add a compiler option, for the user to specify the register that the compiler should use to map the DSA. Register 13 contents usually point to the save area. We have use cases, where the save ...
over 5 years ago in C/C++ and Fortran Compilers / C/C++ 2 Not under consideration

Need more builtin functions in C/C++ compiler

In the XL C/C++ Programming Guide there are only a few General instructions like __pack and __unpack.In order for Metal C to be used for system software it would be better if these instructions were expanded so __asm would not have to be used as o...
over 5 years ago in C/C++ and Fortran Compilers / C/C++ 2 Not under consideration

Provide I18N/L10N gettext APIs for XL/C on z/OS

A system level, common, industry standard, platform independent, service is needed to perform internationalization/localization translation services on text strings when running on z/OS. This is needed for both applications compiled to use Languag...
almost 6 years ago in C/C++ and Fortran Compilers / C/C++ 2 Not under consideration

Improve code generation for simple functions

Improve code generation for simple functions in METAL C: int func(const void* a, const void* b) { return memcmp(a,b,8); } in ILP32 mode the following code is generatedFUNC DS 0F STM 14,15,12(13) LR 15,13 L 13,8(,13) ST 15,4(,13) @@BGN@2 DS 0H USIN...
almost 6 years ago in C/C++ and Fortran Compilers / C/C++ 5 Not under consideration

Inline __asm() to communicate ARCHLVL to HLASM for system macros

When a z/OS system macro is embedded in a __asm() block, HLASM assumes ARCHLVL=1 which means the macro will use base+displacement branching, which fails in an inline __asm() block due to "no active USING". Most macros implement a MF=E form which g...
almost 6 years ago in C/C++ and Fortran Compilers / C/C++ 3 Not under consideration

Allow -qlistfmt=html=inlines to break down the report into multiple files

Allow the reporting tools to generate multiple report files depending on the size limit provided by the client.
over 6 years ago in C/C++ and Fortran Compilers / C/C++ 2 Not under consideration

Enhance constant propagation

The optimizer should take advantage of constantness of variables and propagate their values into generated instructions.
over 6 years ago in C/C++ and Fortran Compilers / C/C++ 3 Not under consideration

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