Defined in 4 files as a macro:
- contrib/gcc/config/rs6000/aix.h, line 26 (as a macro)
- contrib/gcc/config/rs6000/freebsd.h, line 38 (as a macro)
- contrib/gcc/config/rs6000/linux64.h, line 51 (as a macro)
- contrib/gcc/config/rs6000/rs6000.h, line 41 (as a macro)