Re: How to control the offset for stack operation?

["Mohamed Shafi" <shafitvm at gmail dot com>]

On 4/16/07, J.C. Pizarro <jcpiza@gmail.com> wrote:
> 2007/4/16, Mohamed Shafi <shafitvm@gmail.com>:
> > hello all,
> >
> > Depending on the machine mode the compiler will generate automatically
> > the offset required for the stack operation i.e for a machine with
> > word size is 32, for char type the offset is 1, for int type the
> > offset is 2 and so on..
> >
> > Is there a way to control this ? i mean say for long long the offset
> > is 4 if long long is mapped to TI mode and i want the generate the
> > offset such that it is 2.
> >
> > Is there a way to do this in gcc ?
> >
> > Regards,
> > Shafi
> >
>
> For a x86 machine, the stack's offset always is multiple of 4 bytes.
>
> long long is NOT 4 bytes, is 8 bytes!

  I was not talking about the size of long long but the offset i.e
4x32, required for stack operation.
I want gcc to generate the code such that the offset is 2 (64
bytes)and not 4 (128 bytes)

Is there a way to do this?

> Sincerely J.C. Pizarro :)