* sparc/sparc.h	(CPP_SPEC): Split up v9/non-v9 stuff.
	Move -Acpu and -Amachine from here.
	(CPP_PREDEFINES): To here.
	(NO_BUILTIN_PTRDIFF_TYPE): Undefine.
	(NO_BUILTIN_SIZE_TYPE): Likewise.
	(PTRDIFF_TYPE): Split up v9/non-v9 definitions.
	(SIZE_TYPE): Likewise.

From-SVN: r7601