kevin diggs <diggskevin38@xxxxxxxxx> writes: > If a pre-processor macro, say __m68k__ is defined shouldn't it show up > in gcc -v? gcc version is 3.4.6. gcc -v does not list predefined preprocessor macros. You can see them by running "gcc -x c /dev/null -E -dM". > P.S.: Anyone point me to an example of how to use the 68k 'Q' constraint? In what sense? There are various examples in gcc/config/m68k/m68k.md, e.g., tst<mode>_cf. > And while I'm here, anyway to see when an instruction causes an > unimplemented instruction trap (like fcos on a 68040)? I guess I don't understand the question. Ian
