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r111201 - in /branches/ia64-improvements/gcc: C...


Author: rkidd
Date: Fri Feb 17 17:19:15 2006
New Revision: 111201

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=111201
Log:
	* tracer.c (mark_bb_seen): New function.
	(bb_seen_p): New function.
	(count_insns): Use estimate_num_insns instead of counting RTL
	instructions.
	(find_trace): Tracing a loop now traverses the back edge once
	to duplicate the loop header.
	(tail_duplicate): Phi nodes are fixed after duplicating
	blocks.
	(layout_superblocks): Remove function.
	(execute_tracer): CFG layout stuff is not needed at the tree
	level.
	(rest_of_handle_tracer): Remove function.

	* bb-reorder.c (rest_of_handle_reorder_blocks): Removed call
	to RTL level tracer.

	* passes.c (init_optimization_passes): Moved pass_tracer from
	after pass_rtl_ifcvt to after pass_build_ssa.


Added:
    branches/ia64-improvements/gcc/ChangeLog.ia64-improvements
Modified:
    branches/ia64-improvements/gcc/bb-reorder.c
    branches/ia64-improvements/gcc/passes.c
    branches/ia64-improvements/gcc/tracer.c


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