> From: Andrew Haley <[email protected]>
> To: Jamie Prescott <[email protected]>
> Cc: Adam Nemet <[email protected]>; "[email protected]"
> <[email protected]>
> Sent: Thursday, May 28, 2009 11:48:30 AM
> Subject: Re: Forgetting return values
>
> Jamie Prescott wrote:
> >> From: Adam Nemet
>
> >>> Why is the memory clobber required, and why GCC does not understand to
> >>> sync the value to memory when passing the address to a function?
> >> Because you never inform GCC that you will use the value at
> >> address *NAME. Try to use "m"(*name) rather than "a1"(name) in the asm.
> >
> > That's 'data', not 'name'. But OK, got it. unfortunately, I cannot use "m"
> since
> > that value need to go into a specific register.
>
> This is not appropriate for gcc@, which is for gcc development.
Sorry, I posted to gcc@ because I thought it was a problem with my TARGET.
- Jamie
