question about allocating local variable

[Eljay Love-Jensen]

Hi Prawit,

 >Does anybody has any explaination [why the compiler allocates more than 
specified]?

Alignment.

You didn't specify what platform, GCC version (3.3.4?  3.4.0?), and compile 
options you are using.  If you are not generated optimized code, the code 
may not be optimized.

It is also possible that one of the GCC Gnurus made a boo-boo.  Rare, but 
can happen.  Especially between optimizations that are in contention, which 
may have unintended side-effects on different platforms.  (I discovered 3 
such issues, on GCC 2.95 on Solaris.  They're all fixed now.)

HTH,
--Eljay