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RE: [avr-libc-dev] Inline assembler and compiler optimization


From: Weddington, Eric
Subject: RE: [avr-libc-dev] Inline assembler and compiler optimization
Date: Tue, 17 Mar 2009 09:57:02 -0600

 

> -----Original Message-----
> From: 
> address@hidden 
> [mailto:address@hidden
> org] On Behalf Of Joerg Wunsch
> Sent: Tuesday, March 17, 2009 9:42 AM
> To: address@hidden
> Cc: Harald Kipp
> Subject: Re: [avr-libc-dev] Inline assembler and compiler optimization
> 
> 
> Anyway, it might make sense to provide an additional macro like
> __memory_barrier() that expands to __asm__ __volatile__(""::"memory").
> 

If we do that, we might as well make it a public symbol, yes?:
#define memory_barrier()  __asm__ __volatile__(""::"memory")




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