Defined in 3 files as a struct:
- contrib/llvm/tools/clang/lib/Headers/avx512fintrin.h, line 4639 (as a struct)
- contrib/llvm/tools/clang/lib/Headers/avxintrin.h, line 3204 (as a struct)
- contrib/llvm/tools/clang/lib/Headers/xmmintrin.h, line 1720 (as a struct)