703d14132e
The main 'arch' context selector for nvptx is, well, 'nvptx'; however, as 'nvptx64' is used as by LLVM, it makes sense to support it as well. Note that LLVM has: "The triple architecture can be one of ``nvptx`` (32-bit PTX) or ``nvptx64`` (64-bit PTX)." GCC effectively only supports the 64bit variant (at least for offloading). Thus, GCC's 'nvptx' is not quite the same as LLVM's. The device-compiler part (nvptx_omp_device_kind_arch_isa) uses TARGET_ABI64 such that nvptx64 is only defined with -m64. gcc/ChangeLog: * config/nvptx/gen-omp-device-properties.sh: Add 'nvptx64' to arch. * config/nvptx/nvptx.cc (nvptx_omp_device_kind_arch_isa): Likewise. libgomp/ChangeLog: * libgomp.texi (OpenMP Context Selectors): Add 'nvptx64' as additional 'arch' value for nvptx. |
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