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| author | Ajit Agarwal <ajitkum@xilinx.com> | 2015-11-13 23:31:51 +0000 |
|---|---|---|
| committer | Jeff Law <law@gcc.gnu.org> | 2015-11-13 16:31:51 -0700 |
| commit | 8fe17e23b052741c8cbec99c7173c3c07f8e8c64 (patch) | |
| tree | 5b2631fd0e6dc942bbd89ba9465f3c9d6d96aaa6 /gcc/common.opt | |
| parent | 269e63b735d6e4e18367e94e8417b5d5eb799960 (diff) | |
| download | gcc-8fe17e23b052741c8cbec99c7173c3c07f8e8c64.tar.gz | |
[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/common.opt')
| -rw-r--r-- | gcc/common.opt | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/gcc/common.opt b/gcc/common.opt index 757ce858735..3eb520eaef2 100644 --- a/gcc/common.opt +++ b/gcc/common.opt @@ -2403,6 +2403,10 @@ ftree-vrp Common Report Var(flag_tree_vrp) Init(0) Optimization Perform Value Range Propagation on trees. +fsplit-paths +Common Report Var(flag_split_paths) Init(0) Optimization +Split paths leading to loop backedges. + funit-at-a-time Common Report Var(flag_unit_at_a_time) Init(1) Compile whole compilation unit at a time. |