| General: | -fno-silent -fno-automatic -Wall -finit-local-zero |
| Careful: | -fugly |
| Fast: | -malign-double -ffast-math -O -m486 |
| General: | -A -f -s -N3 -N9 -N22 -N34 -N59 -N110 |
| Careful: | -N32 |
| Fast: | -O -N69 -N86 |
| C mix: | -k |
| General: | -xcg92 |
| Fast: | -fast -O3 |
Use General + Careful for debug, General + Fast for optimized run.