Hi. What are the optimization options that give the maximum speed on a O2000/R10000 ? Currently the native "cc" with "-32 -Ofast=IP27" generates code that runs twice as fast as "gcc -mabi=n32 -O3 -mips3 -r4000". I see neither -mips4 nor -r10000 in the man page. (mk) -- Matthias Kurz; Fuldastr. 3; D-28199 Bremen; VOICE +49 421 53 600 47