i386 stack missalignment on main

[Jan Hubicka]

> Um, this is a shot in the dark, but IMHO ...
> 
> Jan Hubicka wrote:
> 
> >+ void
> >+ ix86_output_main_function_alignment_hack (file, size)
> >+      FILE *file;
> >+      int size ATTRIBUTE_UNUSED;
> >+ {
> >+   rtx label;
> >+   char buf[256];
> >+   /* Check that we see main function with maximally 8 bytes of arguments.
> >
> ... either the 8 in this comment is wrong, ...
Oops, yes, it should be 12.  I will fix that.

Honza
> 
> >
> >+      if so, emit the hack to align stack for runtimes, where this constraint
> >+      is broken.  */
> >+   if (strcmp (cfun->name, "main"))
> >+     return;
> >+   if (cfun->pops_args || cfun->args_size > 12)
> >
> ... or the 12 in this condition is.
> 
> -- 
> Brane Čibej
>     home:   <brane@xbc.nu>             http://www.xbc.nu/brane/
>     work:   <branko.cibej@hermes.si>   http://www.hermes-softlab.com/
>      ACM :   <brane@acm.org>            http://www.acm.org/
> 
>