egcs/gcc ChangeLog gcse.c

[mmitchel@gcc.gnu.org]

CVSROOT:	/cvs/gcc
Module name:	egcs
Changes by:	mmitchel@sourceware.cygnus.com	99/11/03 14:45:45

Modified files:
	gcc            : ChangeLog gcse.c 

Log message:
	* gcse.c (struct null_pointer_info): New type.
	(get_bitmap_width): New function.
	(current_block): Remove.
	(nonnull_local): Likewise.
	(nonnull_killed): Likewise.
	(invalidate_nonnull_info): Take a null_pointer_info as input.
	(delete_null_pointer_checks_1): New function.
	(delete_null_pointer_checks): Use it.