Defined in 3 files as a macro:
- external/gpl3/gcc/dist/libgcc/config/xtensa/ieee754-df.S, line 930 (as a macro)
- external/gpl3/gcc/dist/libgcc/config/xtensa/ieee754-sf.S, line 704 (as a macro)
- external/gpl3/gcc/dist/libgcc/config/xtensa/lib1funcs.S, line 284 (as a macro)