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C/C++

Showing 15

More complete C++11 support in xlC

PMR 59710 300 624 showed that the support for the standard C++ library, C++11 level, is incomplete. Please speed up the work on that. In particular, unique_ptr is not present in the standard library, shared_ptr is in a nonstandard namespace std::t...
over 8 years ago in C/C++ and Fortran Compilers / C/C++ 3 Delivered

Inefficient store/load of immediate before inline __asm

Inefficient store/load of immediate before inline __asm Optimization concern after function inlining of function with inline ASM. The 'abend(1000)' call in mainz() looks good: LGHI 1,1000 000003 ABEND (1) +000005 But the 'abend(500)' call that get...
about 7 years ago in C/C++ and Fortran Compilers / C/C++ 3 Delivered

URT license tracking for Open XLC/C++ v17

AIX XLC/C++ licenses purchased from IBM are user based (shared or named). The external auditors appointed by IBM, request/collect several times per year the URT statistics (supported until XLC/C++ v16) to check license compliancy. With Open XlC/C+...
over 2 years ago in C/C++ and Fortran Compilers / C/C++ 3 Delivered

Support GNU GCC visibility attribute.

Add support for GNU GCC visibility attribute to replace the current approach for defining linkage of declaration of symbols.
about 12 years ago in C/C++ and Fortran Compilers / C/C++ 3 Delivered

short int as a bitfield in XL C and XL C++

This request is for short int types as bitfields in a struct. There doesn't appear to be a specific standard requirement to include the short datatype as a potential bitfield value, however C and C++ differ in how they treat the type. C outputs an...
about 8 years ago in C/C++ and Fortran Compilers / C/C++ 3 Delivered

Support OpenMP reduction on variable-length array (C99)

OpenMP reductions on variable-length arrays (which are part of the C99 standard) are currently unsupported by the IBM XL C/C++ compiler.
over 6 years ago in C/C++ and Fortran Compilers / C/C++ 5 Delivered

'dis' tool support for #pragma comment data

This request concerns #pragma comment to add user and date info to object files. When an object file is generated directly from XLC, the strings are present in the object. If -S is used or if the object is disassembled using the 'dis' tool, then r...
over 8 years ago in C/C++ and Fortran Compilers / C/C++ 3 Delivered

System headers are not warning free when using qinfo=all with XL C/C++ compiler

When checking our own C/C++ source code I wanted to see strict warning checking behavior, to improve our source code. When using -qinfo=all a lot of warnings are raised by both C and C++ compiler. This RFE just shows a simple example for the C com...
over 9 years ago in C/C++ and Fortran Compilers / C/C++ 5 Delivered

Compile line -D function-like macro

An enhancement to the XL C/C++ for AIX compiler is requested to allow function-like macros to be specified on the compile/command line with the -D macro option. The macro would be specified like: -D"FUNC(a)=3+(a)"
over 9 years ago in C/C++ and Fortran Compilers / C/C++ 4 Delivered

xlc support for __attribute__((__deprecated__))

Add support for the GNU GCC __deprecated__ function attribute to allow in-source flagging of deprecated functions. The feature outputs a warning message during compilation for any usage of the function (with filename/line number) and where the dep...
over 10 years ago in C/C++ and Fortran Compilers / C/C++ 3 Delivered

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