#1708: Add autoconf detection for #pragma omp simd --------------------------+------------------------------------------------- Reporter: eschnett | Owner: Type: enhancement | Status: new Priority: major | Milestone: Component: Cactus | Version: development version Resolution: | Keywords: --------------------------+-------------------------------------------------
Comment (by eschnett):
It's "#pragma omp simd", so it's an OpenMP pragma. Compilers recognize the "omp", but the don't recognize the "simd" -- fatal error.
Some compilers support "#pragma simd", but not all; e.g. Clang understands "#pragma omp simd", but ignores "#pragma simd".