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authorAjit Agarwal <ajitkum@xilinx.com>2015-11-13 23:31:51 +0000
committerJeff Law <law@gcc.gnu.org>2015-11-13 16:31:51 -0700
commit8fe17e23b052741c8cbec99c7173c3c07f8e8c64 (patch)
tree5b2631fd0e6dc942bbd89ba9465f3c9d6d96aaa6 /gcc/opts.c
parent269e63b735d6e4e18367e94e8417b5d5eb799960 (diff)
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[Patch,tree-optimization]: Add new path Splitting pass on tree ssa
representation * Makefile.in (OBJS): Add gimple-ssa-split-paths.o * common.opt (-fsplit-paths): New flag controlling path splitting. * doc/invoke.texi (fsplit-paths): Document. * opts.c (default_options_table): Add -fsplit-paths to -O2. * passes.def: Add split_paths pass. * timevar.def (TV_SPLIT_PATHS): New timevar. * tracer.c: Include "tracer.h" (ignore_bb_p): No longer static. (transform_duplicate): New function, broken out of tail_duplicate. (tail_duplicate): Use transform_duplicate. * tracer.h (ignore_bb_p): Declare (transform_duplicate): Likewise. * tree-pass.h (make_pass_split_paths): Declare. * gimple-ssa-split-paths.c: New file. * gcc.dg/tree-ssa/split-path-1.c: New test. Co-Authored-By: Jeff Law <law@redhat.com> From-SVN: r230364
Diffstat (limited to 'gcc/opts.c')
-rw-r--r--gcc/opts.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/gcc/opts.c b/gcc/opts.c
index 930ae43..be04cf5 100644
--- a/gcc/opts.c
+++ b/gcc/opts.c
@@ -523,6 +523,7 @@ static const struct default_options default_options_table[] =
{ OPT_LEVELS_2_PLUS, OPT_fisolate_erroneous_paths_dereference, NULL, 1 },
{ OPT_LEVELS_2_PLUS, OPT_fipa_ra, NULL, 1 },
{ OPT_LEVELS_2_PLUS, OPT_flra_remat, NULL, 1 },
+ { OPT_LEVELS_2_PLUS, OPT_fsplit_paths, NULL, 1 },
/* -O3 optimizations. */
{ OPT_LEVELS_3_PLUS, OPT_ftree_loop_distribute_patterns, NULL, 1 },