[kaffe] -O1 or -O2 (was Re: m68k-ecos)

[Kiyo Inaba]

I wrote:
>and the reason why I put -O1 in spite of -O2 is
>-O1 makes firster executables than -O2 (if I remember correctly).

I tested -O1 and -O2 against latest snap, and the elapsed time needed
for 'make Check' (m68k/netbsd/jit3) are
 -O1: 10:06:34
 -O2: 10:41:15

Of course, this includes compilation of the java source code by jikes,
but can show rough indication of performance.

Kiyo