2008-04-22 Antoniu Pop <antoniu.pop@gmail.com>

2008-04-22  Antoniu Pop  <antoniu.pop@gmail.com>
            Sebastian Pop  <sebastian.pop@amd.com>

	* tree-parloops.c (take_address_of, eliminate_local_variables_1,
	eliminate_local_variables_stmt, eliminate_local_variables,
	separate_decls_in_loop_name, separate_decls_in_loop_stmt,
	separate_decls_in_loop, gen_parallel_loop): Make them work on a region
	of code delimited by two edges in the CFG.
	(separate_decls_in_loop_name): Renamed separate_decls_in_region_name.
	(separate_decls_in_loop_stmt): Renamed separate_decls_in_region_stmt.
	(separate_decls_in_loop): Renamed separate_decls_in_region.  Isolate
	the case of parallelisation of reductions.
	(expr_invariant_in_region_p): New.

	* tree-flow.h (gather_blocks_in_sese_region): Declared.
	* tree-cfg.c (gather_blocks_in_sese_region): Extern.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@134632 138bc75d-0d04-0410-961f-82ee72b054a4