egcs/gcc ChangeLog bitmap.c bitmap.h

[rth@egcs.cygnus.com]

CVSROOT:	/egcs/carton/cvsfiles
Module name:	egcs
Changes by:	rth@egcs.cygnus.com	99/10/04 11:52:39

Modified files:
	gcc            : ChangeLog bitmap.c bitmap.h 

Log message:
	* bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
	* bitmap.c (bitmap_operation): Return true iff TO changed.
	(bitmap_equal_p): New.
	(bitmap_bit_p): Tidy arithmetic.
	(debug_bitmap_file): Likewise.