What happens on the stack when calling a function? (gcc-3.4.3)

[Arturas Moskvinas]

> Hi folks!
> 
> I stumbled across some strange stuff on the stack when calling a
> function with gcc-3.4.3.

There was similar discusion maybe month ago.
GCC just tries to align everything to 16 bytes boundary(this
optimization is very "cheap" by the way), but if you need exact
behavior then you should use -mpreferred-stack-boundary, more info
you'll find:
http://gcc.gnu.org/onlinedocs/gcc-3.4.3/gcc/i386-and-x86_002d64-Options.html
(-mpreferred-stack-boundary)


Arturas Moskvinas