vchoi_fork

[svn-r4794] Purpose:
    Bug fix.
Description:
    __int64 is not a legal type in Tflops.
    Set its sizeof to 0 in the cached values.
    This is a temporary fix since the real problem is
    in configure which hardset __int64 to 8 for cross-compiling cases.
Platforms tested:
    Tflops