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| author | Jakub Jelinek <jakub@gcc.gnu.org> | 2011-09-27 18:16:57 +0200 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2011-09-27 18:16:57 +0200 |
| commit | 19ecbcbcbf88db0949db1e4eca1fa3dec291be05 (patch) | |
| tree | faa25a6f7f913ab36ec02ff511db4f04057c146b | |
| parent | 8b57bfebe0bf2344c0eba3e17941a87e6dd2bbdf (diff) | |
| download | gcc-19ecbcbcbf88db0949db1e4eca1fa3dec291be05.zip gcc-19ecbcbcbf88db0949db1e4eca1fa3dec291be05.tar.gz gcc-19ecbcbcbf88db0949db1e4eca1fa3dec291be05.tar.bz2 | |
common.opt: Add -foptimize-strlen option.
* common.opt: Add -foptimize-strlen option.
* Makefile.in (OBJS): Add tree-ssa-strlen.o.
(tree-sssa-strlen.o): Add dependencies.
* opts.c (default_options_table): Enable -foptimize-strlen
by default at -O2 if not -Os.
* passes.c (init_optimization_passes): Add pass_strlen
after pass_object_sizes.
* timevar.def (TV_TREE_STRLEN): New timevar.
* params.def (PARAM_MAX_TRACKED_STRLENS): New parameter.
* tree-pass.h (pass_strlen): Declare.
* tree-ssa-strlen.c: New file.
* c-decl.c (merge_decls): If compatible stpcpy prototype
is seen, set implicit_built_in_decls[BUILT_IN_STPCPY].
cp/
* decl.c (duplicate_decls): If compatible stpcpy prototype
is seen, set implicit_built_in_decls[BUILT_IN_STPCPY].
testsuite/
* gcc.dg/strlenopt-1.c: New test.
* gcc.dg/strlenopt-1f.c: New test.
* gcc.dg/strlenopt-2.c: New test.
* gcc.dg/strlenopt-2f.c: New test.
* gcc.dg/strlenopt-3.c: New test.
* gcc.dg/strlenopt-4.c: New test.
* gcc.dg/strlenopt-4g.c: New test.
* gcc.dg/strlenopt-4gf.c: New test.
* gcc.dg/strlenopt-5.c: New test.
* gcc.dg/strlenopt-6.c: New test.
* gcc.dg/strlenopt-7.c: New test.
* gcc.dg/strlenopt-8.c: New test.
* gcc.dg/strlenopt-9.c: New test.
* gcc.dg/strlenopt-10.c: New test.
* gcc.dg/strlenopt-11.c: New test.
* gcc.dg/strlenopt-12.c: New test.
* gcc.dg/strlenopt-12g.c: New test.
* gcc.dg/strlenopt-13.c: New test.
* gcc.dg/strlenopt-14g.c: New test.
* gcc.dg/strlenopt-14gf.c: New test.
* gcc.dg/strlenopt-15.c: New test.
* gcc.dg/strlenopt-16g.c: New test.
* gcc.dg/strlenopt-17g.c: New test.
* gcc.dg/strlenopt-18g.c: New test.
* gcc.dg/strlenopt.h: New file.
From-SVN: r179278
| -rw-r--r-- | gcc/params.def | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/gcc/params.def b/gcc/params.def index 0adf047..a795c38 100644 --- a/gcc/params.def +++ b/gcc/params.def @@ -931,6 +931,14 @@ DEFPARAM (PARAM_MAX_TAIL_MERGE_ITERATIONS, "Maximum amount of iterations of the pass over a function", 2, 0, 0) +/* Maximum number of strings for which strlen optimization pass will + track string lenths. */ +DEFPARAM (PARAM_MAX_TRACKED_STRLENS, + "max-tracked-strlens", + "Maximum number of strings for which strlen optimization pass will " + "track string lengths", + 1000, 0, 0) + /* Local variables: mode:c |