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* tree-parloops.c: New file.
authorrakdver <rakdver@138bc75d-0d04-0410-961f-82ee72b054a4>
Sat, 15 Sep 2007 21:53:45 +0000 (21:53 +0000)
committerrakdver <rakdver@138bc75d-0d04-0410-961f-82ee72b054a4>
Sat, 15 Sep 2007 21:53:45 +0000 (21:53 +0000)
commit28c92cbb7662939c1c4297b54501d9d8e33b97f9
treeb06c39b94a477f65f57a3ea35196956c8f6f74b1
parenteb46b0b619e7f7d4fa2616d325aa930ff1843c9a
* 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.

* gcc.dg/tree-ssa/parallelization-1.c: New test.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@128517 138bc75d-0d04-0410-961f-82ee72b054a4
20 files changed:
gcc/ChangeLog
gcc/Makefile.in
gcc/builtins.def
gcc/common.opt
gcc/doc/invoke.texi
gcc/doc/passes.texi
gcc/omp-low.c
gcc/passes.c
gcc/testsuite/ChangeLog
gcc/testsuite/gcc.dg/tree-ssa/parallelization-1.c [new file with mode: 0644]
gcc/timevar.def
gcc/tracer.c
gcc/tree-cfg.c
gcc/tree-flow.h
gcc/tree-parloops.c [new file with mode: 0644]
gcc/tree-pass.h
gcc/tree-ssa-loop-manip.c
gcc/tree-ssa-loop.c
gcc/tree-ssa-operands.c
gcc/tree-ssa-operands.h