> Can you tell us which compiler you used? The native Sun compiler, or GCC, or ...?
I'm sorry,
I haven't write enough information!

# uname -a
OpenBSD installbsd.localhost 3.7 GENERIC#431 sparc64
# gcc -v
Reading specs from /usr/lib/gcc-lib/sparc64-unknown-openbsd3.7/3.3.5/specs
Configured with:
Thread model: single
gcc version 3.3.5 (propolice)
#

> Trying to see if this is compiler-related.
I tried with gcc version 3.4 and 4.1, and the gcc options : "-O1" and
"-fomit-frame-pointer".

Thank you

Sorithy