This is the mail archive of the
gcc-patches@gcc.gnu.org
mailing list for the GCC project.
Re: Fix support for gigantic stack frames on x86-64
> On Thu, Jun 05, 2003 at 06:22:13PM +0200, Jan Hubicka wrote:
> > ! /* For gigantic stack frames we need to load the arugment into register first.
> > ! This confuse dwarf2out code so do this behind scene. */
>
> It *shouldn't* confuse the dwarf2out code. AFAICT, you should be
> generating one movabs plus one add. If indeed this is confusing,
> the dwarf2 code should be fixed.
It appears to parse insns locally so it aborts seeing unknown register.
Shall I add the code to look backward for load of the constant?
>
> Not that we don't need to do that anyway so that we can properly
> annotate epilogues...
Hmm, what do you mean?
Honza
>
>
> r~