This is the mail archive of the gcc@gcc.gnu.org mailing list for the GCC project.

Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]

Re: i386 stack missalignment on main

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, ...

>
>+      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/
Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]