Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>

Fri Mar 24 20:13:49 2000  Jason Eckhardt  <jle@cygnus.com>

	* bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
	(reorder_block_def): New members eff_head and eff_end.
	(REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
	(verify_insn_chain): New function.
	(skip_insns_between_block): Add code to skip deleted insns.
	Check for note before using.
	(chain_reorder_blocks): Replace calls to skip_insns_between_block
	with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
	Check for note before using.
	(make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
	(fixup_reorder_chain): Restructure, clean up, defect removal.
	(reorder_basic_blocks): Remove last_insn and references to it.
	Moved insn chain verification code into a new function (see above).
	Delete defective code that sets last insn.
	Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
	all blocks.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@32737 138bc75d-0d04-0410-961f-82ee72b054a4