Defined in 3 files as a macro:
- external/gpl3/gcc.old/dist/gcc/config/epiphany/epiphany.h, line 853 (as a macro)
- external/gpl3/gcc.old/dist/gcc/config/i386/i386.h, line 2588 (as a macro)
- external/gpl3/gcc.old/dist/gcc/config/sh/sh.h, line 1811 (as a macro)