Defined in 3 files as a macro:
- external/bsd/llvm/dist/clang/lib/Headers/altivec.h, line 40 (as a macro)
- external/bsd/llvm/dist/clang/lib/Headers/vecintrin.h, line 8915 (as a macro)
- external/gpl3/gcc/dist/gcc/config/s390/vecintrin.h, line 36 (as a macro)