This is is the status of OpenMP support in 6.0. There is nothing new since branching.
------------- Best regards, Alexey Bataev 08.01.2018 14:09, Jonas Hahnfeld via cfe-commits пишет: > Can we backport this page to release_60? I think the documented > support is also valid for 6.0 or did I miss recent commits that added > support for new directives / clauses? > > Am 2018-01-08 20:02, schrieb Alexey Bataev via cfe-commits: >> Author: abataev >> Date: Mon Jan 8 11:02:51 2018 >> New Revision: 322018 >> >> URL: http://llvm.org/viewvc/llvm-project?rev=322018&view=rev >> Log: >> [OPENMP] Current status of OpenMP support. >> >> Summary: Some info about supported features of OpenMP 4.5-5.0. >> >> Reviewers: hfinkel, rsmith >> >> Subscribers: kkwli0, Hahnfeld, cfe-commits >> >> Differential Revision: https://reviews.llvm.org/D39457 >> >> Added: >> cfe/trunk/docs/OpenMPSupport.rst >> Modified: >> cfe/trunk/docs/index.rst >> >> Added: cfe/trunk/docs/OpenMPSupport.rst >> URL: >> http://llvm.org/viewvc/llvm-project/cfe/trunk/docs/OpenMPSupport.rst?rev=322018&view=auto >> >> ============================================================================== >> >> --- cfe/trunk/docs/OpenMPSupport.rst (added) >> +++ cfe/trunk/docs/OpenMPSupport.rst Mon Jan 8 11:02:51 2018 >> @@ -0,0 +1,68 @@ >> +.. raw:: html >> + >> + <style type="text/css"> >> + .none { background-color: #FFCCCC } >> + .partial { background-color: #FFFF99 } >> + .good { background-color: #CCFF99 } >> + </style> >> + >> +.. role:: none >> +.. role:: partial >> +.. role:: good >> + >> +================== >> +OpenMP Support >> +================== >> + >> +Clang fully supports OpenMP 3.1 + some elements of OpenMP 4.5. Clang >> supports offloading to X86_64, AArch64 and PPC64[LE] devices. >> +Support for Cuda devices is not ready yet. >> +The status of major OpenMP 4.5 features support in Clang. >> + >> +Standalone directives >> +===================== >> + >> +* #pragma omp [for] simd: :good:`Complete`. >> + >> +* #pragma omp declare simd: :partial:`Partial`. We support >> parsing/semantic >> + analysis + generation of special attributes for X86 target, but still >> + missing the LLVM pass for vectorization. >> + >> +* #pragma omp taskloop [simd]: :good:`Complete`. >> + >> +* #pragma omp target [enter|exit] data: :good:`Complete`. >> + >> +* #pragma omp target update: :good:`Complete`. >> + >> +* #pragma omp target: :partial:`Partial`. No support for the >> `depend` clauses. >> + >> +* #pragma omp declare target: :partial:`Partial`. No full codegen >> support. >> + >> +* #pragma omp teams: :good:`Complete`. >> + >> +* #pragma omp distribute [simd]: :good:`Complete`. >> + >> +* #pragma omp distribute parallel for [simd]: :good:`Complete`. >> + >> +Combined directives >> +=================== >> + >> +* #pragma omp parallel for simd: :good:`Complete`. >> + >> +* #pragma omp target parallel: :partial:`Partial`. No support for >> the `depend` clauses. >> + >> +* #pragma omp target parallel for [simd]: :partial:`Partial`. No >> support for the `depend` clauses. >> + >> +* #pragma omp target simd: :partial:`Partial`. No support for the >> `depend` clauses. >> + >> +* #pragma omp target teams: :partial:`Partial`. No support for the >> `depend` clauses. >> + >> +* #pragma omp teams distribute [simd]: :good:`Complete`. >> + >> +* #pragma omp target teams distribute [simd]: :partial:`Partial`. No >> support for the and `depend` clauses. >> + >> +* #pragma omp teams distribute parallel for [simd]: :good:`Complete`. >> + >> +* #pragma omp target teams distribute parallel for [simd]: >> :partial:`Partial`. No full codegen support. >> + >> +Clang does not support any constructs/updates from upcoming OpenMP >> 5.0 except for `reduction`-based clauses in the `task` and >> `target`-based directives. >> + >> >> Modified: cfe/trunk/docs/index.rst >> URL: >> http://llvm.org/viewvc/llvm-project/cfe/trunk/docs/index.rst?rev=322018&r1=322017&r2=322018&view=diff >> >> ============================================================================== >> >> --- cfe/trunk/docs/index.rst (original) >> +++ cfe/trunk/docs/index.rst Mon Jan 8 11:02:51 2018 >> @@ -39,6 +39,7 @@ Using Clang as a Compiler >> SourceBasedCodeCoverage >> Modules >> MSVCCompatibility >> + OpenMPSupport >> ThinLTO >> CommandGuide/index >> FAQ >> >> >> _______________________________________________ >> cfe-commits mailing list >> cfe-commits@lists.llvm.org >> http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits >
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