This is the mail archive of the
mailing list for the GCC project.
Re: Forgetting return values
> From: Andrew Haley <firstname.lastname@example.org>
> To: Jamie Prescott <email@example.com>
> Cc: Adam Nemet <firstname.lastname@example.org>; "email@example.com" <firstname.lastname@example.org>
> 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"
> > 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.