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Re: Forgetting return values


> From: Andrew Haley <aph@redhat.com>
> To: Jamie Prescott <jpresss@yahoo.com>
> Cc: Adam Nemet <anemet@caviumnetworks.com>; "gcc-help@gcc.gnu.org" <gcc-help@gcc.gnu.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" 
> 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


      


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