* config/xtensa/elf.h (SIZE_TYPE, PTRDIFF_TYPE, USER_LABEL_PREFIX):
	Remove redundant macros.
	(WCHAR_TYPE, WCHAR_TYPE_SIZE): Change to "short unsigned int".
	(LOCAL_LABEL_PREFIX): Define unconditionally.
	(NO_DOT_IN_LABEL): Clarify comment.
	* config/xtensa/linux.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Add explicit
	definition to "long int".

From-SVN: r66242