From 9efe50a4d79824946b1ee2e1ba14f454de1f3fe5 Mon Sep 17 00:00:00 2001 From: jakub Date: Tue, 27 Sep 2011 16:15:46 +0000 Subject: * 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. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@179277 138bc75d-0d04-0410-961f-82ee72b054a4 --- gcc/common.opt | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'gcc/common.opt') diff --git a/gcc/common.opt b/gcc/common.opt index 50d7904c75f..c7c523c960b 100644 --- a/gcc/common.opt +++ b/gcc/common.opt @@ -1961,6 +1961,10 @@ ftree-fre Common Report Var(flag_tree_fre) Optimization Enable Full Redundancy Elimination (FRE) on trees +foptimize-strlen +Common Report Var(flag_optimize_strlen) Optimization +Enable string length optimizations on trees + ftree-loop-distribution Common Report Var(flag_tree_loop_distribution) Optimization Enable loop distribution on trees -- cgit v1.2.1