still using frame pointer when compiling with -fomit-frame-pointer

[Richard Henderson]

On Wed, Jul 02, 2003 at 08:37:27PM +0200, Johan Rydberg wrote:
> Look at that.  Okey.  Is there anyway to tell the compiler that
> %ebp is not still alive?

No.

The other thing is that while -fomit-frame-pointer prevents a frame pointer
from being used in all functions, it does not say "never use a frame pointer".
There is no way to say that.  There are certain situations where correct code
generation *requires* a frame pointer.


r~