2011-04-23 Ivan Maidanski <ivmai@mail.ru>

2011-04-23  Ivan Maidanski  <ivmai@mail.ru>

	* mark.c (GC_clear_hdr_marks): Don't test USE_MARK_BYTES.
	* extra/setjmp_t.c (main): Don't test USE_MARK_BITS.
	* include/private/gc_pmark.h (SET_MARK_BIT_EXIT_IF_SET): Ditto.
	* include/private/gc_pmark.h (SET_MARK_BIT_EXIT_IF_SET): Remove
	"mark_byte" local variable.
	* include/private/gc_pmark.h (OR_WORD_EXIT_IF_SET): Add a comment
	about that AO_or() is not used by GC unless USE_MARK_BITS
	explicitly set.
	* include/private/gc_priv.h (OR_WORD): Ditto.
	* include/private/gc_pmark.h (INCR_MARKS): Remove trailing ';',
	add parentheses.
	* include/private/gc_priv.h (ONES): Define before use by
	MAKE_COOLER.
	* include/private/gc_priv.h (MARK_BITS_SZ): Define where used.
	* include/private/gc_priv.h (OR_WORD): Don't define if
	USE_MARK_BYTES.
	* include/private/gcconfig.h (USE_MARK_BYTES); Remove duplicate
	definition; simplify expression.