2013-01-27  Dmitry Xmelkov  <dmix@gmail.ru>

	Fix for bug #37778: _MemoryBarrier() in cpufunc.h error on compile
	* include/avr/cpufunc.h: Place empty string for asm body. This is
	needed for older GCC versions.
	* tests/simulate/regression/bug-37778.c: New file.
	* NEWS: Add to fixed bug list.

2013-01-10  Joerg Wunsch <j.gnu@uriah.heep.sax.de>

	Submitted by Senthil Kumar Selvaraj:
	* include/avr/Makefile.am (avr_HEADERS): add xmega.h

