Topics  Getting Started  Compiler Reference    About this document Who should read this document How to use this document Conventions used in this document Typographical conventions Icons How to read syntax diagrams Examples Other publications    Configuring the compiler Setting environment variables General environment variables Environment variables for parallel processing Customizing the configuration file Configuration file attributes    Compiling and linking applications Invoking the compiler Selecting an invocation command Invocation syntax Types of input files Types of output files Specifying compiler options Specifying compiler options on the command line Specifying compiler options in a configuration file Specifying compiler options in program source files Resolving conflicting compiler options Specifying compiler options for architecture-specific, 32-bit or 64-bit compilation Preprocessing Specifying path names for include files Linking Order of linking Compiler messages and listings Compiler messages Compiler listings Compiler return codes Message catalog errors Paging space errors during compilation    Compiler options reference Summary of compiler options by functional category Options that control input Options that control output Options for performance optimization Options for error checking and debugging Options that control listings and messages Options for compatibility Options that control integer and floating-point processing Options that control linking Options for customizing the compiler Individual option descriptions -+ (plus sign) -# (pound sign) -q32, -q64 -qabi_version -qaggrcopy -qalias -qalign -qalloca -qaltivec -qarch -qasm -qasm_as -qattr -B -qbigdata -qbitfields -C -c -qc_stdinc -qcache -qchars -qcheck -qcinc -qcompact -qcomplexgccincl -qcpluscmt -qcpp_stdinc -qcrt -D -qdataimported -qdatalocal -qdbxextra -qdigraph -qdirectstorage -qdollar -qdump_class_hierarchy -E -qeh -qenablevmx -qenum -F -qflag -qfloat -qflttrap -qformat -qfullpath -qfuncsect -g -qgcc_c_stdinc -qgcc_cpp_stdinc -qgenproto -qhalt -qhaltonmsg -qhot -I -qidirfirst -qignerrno -qignprag -qinfo -qinitauto -qinlglue -qinline -qipa -qisolated_call -qkeepinlines -qkeepparm -qkeyword -L -l -qlanglvl -qlib -qlibansi -qlinedebug -qlist -qlistopt -qlonglit -qlonglong -M -ma -MF -qmakedep -qmaxerr -qmaxmem -qmbcs, -qdbcs -qminimaltoc -qmkshrobj -O, -qoptimize -o -P -p -qpath -qpdf1, -qpdf2 -pg -qphsinfo -qpic -qppline -qprefetch -qprint -qpriority -qproclocal, -qprocimported, -qprocunknown -qproto -Q -R -r -qreport -qreserved_reg -qro -qroconst -qrtti -S -s -qsaveopt -qshowinc -qshowpdf -qsmallstack -qsmp -qsource -qsourcetype -qspill -qsrcmsg -qstaticinline -qstaticlink -qstatsym -qstdinc -qstrict -qstrict_induction -qsuppress -qsymtab -qsyntaxonly -t -qtabsize -qtbtable -qtempinc -qtemplaterecompile -qtemplateregistry -qtempmax -qthreaded -qtls -qtmplinst -qtmplparse -qtocdata -qtrigraph -qtune -U -qunroll -qunwind -qupconv -qutf -V -v -qversion -qvftable -qvrsave -W -w -qwarn64 -qxcall -qxref -y Acceptable compiler mode and processor architecture combinations    Reusing GNU C/C++ compiler options with glxc and glxc++ glxc and glxc++ syntax Configuring the option mapping    Compiler pragmas reference Summary of XL C/C++ pragmas Summary of OpenMP pragma directives Individual pragma descriptions #pragma align #pragma alloca #pragma altivec_vrsave #pragma block_loop #pragma chars #pragma comment #pragma complexgcc #pragma define #pragma disjoint #pragma do_not_instantiate #pragma enum #pragma execution_frequency #pragma hashome #pragma ibm snapshot #pragma implementation #pragma info #pragma instantiate #pragma ishome #pragma isolated_call #pragma langlvl #pragma leaves #pragma loop_id #pragma map #pragma mc_func #pragma nosimd #pragma novector #pragma options #pragma option_override #pragma pack #pragma priority #pragma reachable #pragma reg_killed_by #pragma report #pragma STDC cx_limited_range #pragma stream_unroll #pragma strings #pragma unroll #pragma unrollandfuse #pragma weak Pragma directives for parallel processing #pragma omp atomic #pragma omp parallel #pragma omp for #pragma omp ordered #pragma omp parallel for #pragma omp section, #pragma omp sections #pragma omp parallel sections #pragma omp single #pragma omp master #pragma omp critical #pragma omp barrier #pragma omp flush #pragma omp threadprivate    Predefined macros Macros related to language features Macros indicating the XL C/C++ compiler Macros related to the Linux platform    Built-in functions for POWER and PowerPC architectures Fixed-point built-in functions Floating-point built-in functions Synchronization and atomic built-in functions Cache-related built-in functions Block-related built-in functions Miscellaneous built-in functions Built-in functions for parallel processing    Redistributable libraries    ASCII character set    Index  Language Reference  Programming Tasks  Installation

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