+2007-09-15 Zdenek Dvorak <ook@ucw.cz>
+
+ * tree-parloops.c: New file.
+ * tree-ssa-operands.h (free_stmt_operands): Declare.
+ * tree-ssa-loop-manip.c (split_loop_exit_edge): Return the new basic
+ block.
+ * tree-pass.h (pass_parallelize_loops): Declare.
+ * omp-low.c (expand_omp_parallel, expand_omp_for): Update SSA form for
+ virtual operands.
+ (build_omp_regions_1): Allow analysing just a single OMP region and
+ its subregions.
+ ( build_omp_regions_root, omp_expand_local): New functions.
+ (build_omp_regions): Add argument to build_omp_regions_1 call.
+ * builtins.def (DEF_GOMP_BUILTIN): Initialize OMP builtins when
+ autoparallelization is run.
+ * timevar.def (TV_TREE_PARALLELIZE_LOOPS): New.
+ * tree-ssa-loop.c (gate_tree_parallelize_loops, tree_parallelize_loops,
+ pass_parallelize_loops): New.
+ * common.opt (ftree-parallelize-loops): New.
+ * tree-flow.h (omp_expand_local, tree_duplicate_sese_tail,
+ parallelize_loops): Declare.
+ (add_phi_args_after_copy, split_loop_exit_edge): Declaration changed.
+ * Makefile.in (tree-parloops.o): Added.
+ * tree-cfg.c (add_phi_args_after_copy_edge, tree_duplicate_sese_tail):
+ New functions.
+ (add_phi_args_after_copy_bb): Use add_phi_args_after_copy_edge.
+ (add_phi_args_after_copy): Call add_phi_args_after_copy_edge for
+ one extra edge as well.
+ (tree_duplicate_sese_region): Add argument to add_phi_args_after_copy.
+ Use VEC_free to free doms vector.
+ (move_block_to_fn): Update loop info. Remove phi nodes for virtual
+ operands. Recompute operand caches in the new function.
+ (move_sese_region_to_fn): Update loop info.
+ * passes.c (init_optimization_passes): Add pass_parallelize_loops.
+ * tree-ssa-operands.c (free_stmt_operands): New function.
+
+ * doc/passes.texi: Document autoparallelization.
+ * doc/invoke.texi (-ftree-parallelize-loops): New option.
+
2007-09-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
PR target/33062
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