stack-usage-1.c (SIZE): Provide proper values for __ppc64__ and __APPLE__ && __PPC__ && __ALTIVEC__.

2011-03-29  Peter Bergner <bergner@vnet.ibm.com>
	    Dominique d'Humieres  <dominiq@lps.ens.fr>	

	* gcc.dg/stack-usage-1.c (SIZE): Provide proper values for __ppc64__
	and __APPLE__ && __PPC__ && __ALTIVEC__.

Co-Authored-By: Dominique d'Humieres <dominiq@lps.ens.fr>

From-SVN: r171692