_MemoryBarrier() was corrected with SVN revision 2307. Bug 37778 is
still open (50% complete) because there has been some discussion as to
whether the NOP instruction should have a memory barrier attribute.
On Jan 6, 2014, at 12:31 AM, Dhakshinamoorthy, Soundararajan wrote:
I suppose that there is a bug already. http://savannah.nongnu.org/bugs/?37778
. Hope it gets fixed :-)
Thanks,
Soundararajan
________________________________________
From: avr-libc-dev-bounces+sounderarajan.d=atmel....@nongnu.org [avr-libc-dev-bounces+sounderarajan.d=atmel....@nongnu.org
] on behalf of Martin Laabs [mailingli...@martinlaabs.de]
Sent: 04 January 2014 15:48:46
To: avr-libc-dev@nongnu.org
Subject: [avr-libc-dev] Bug in _MemoryBarrier()
Hi,
in my avr-libc there is a bug in avr/cpufunc.h in the memory barrier
macro.
It is defined as
#define _MemoryBarrier() __asm__ __volatile__(:::"memory")
but should be:
#define _MemoryBarrier() __asm__ __volatile__("" :::"memory")
Best regards,
Martin Laabs
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