on 2021/7/19 下午2:26, Andrew Pinski wrote: > On Sun, Jul 18, 2021 at 11:21 PM Kewen.Lin via Gcc-patches > <gcc-patches@gcc.gnu.org> wrote: >> >> Hi, >> >> This patch follows Martin's suggestion here[1], to support >> range-based for loops for traversing loops, analogously to >> the patch for vec[2]. >> >> Bootstrapped and regtested on powerpc64le-linux-gnu P9, >> x86_64-redhat-linux and aarch64-linux-gnu, also >> bootstrapped on ppc64le P9 with bootstrap-O3 config. >> >> Any comments are appreciated. > > +1 from me (note I did not review the patch but I like the idea). >
Thanks Andrew! It's actually Martin's idea. :) BR, Kewen > Thanks, > Andrew > >> >> BR, >> Kewen >> >> [1] https://gcc.gnu.org/pipermail/gcc-patches/2021-June/573424.html >> [2] https://gcc.gnu.org/pipermail/gcc-patches/2021-June/572315.html >> ----- >> gcc/ChangeLog: >> >> * cfgloop.h (class loop_iterator): Rename to ... >> (class loops_list): ... this. >> (loop_iterator::next): Rename to ... >> (loops_list::iterator::fill_curr_loop): ... this and adjust. >> (loop_iterator::loop_iterator): Rename to ... >> (loops_list::loops_list): ... this and adjust. >> (FOR_EACH_LOOP): Rename to ... >> (ALL_LOOPS): ... this. >> (FOR_EACH_LOOP_FN): Rename to ... >> (ALL_LOOPS_FN): this. >> (loops_list::iterator): New class. >> (loops_list::begin): New function. >> (loops_list::end): Likewise. >> * cfgloop.c (flow_loops_dump): Adjust FOR_EACH_LOOP* with ALL_LOOPS*. >> (sort_sibling_loops): Likewise. >> (disambiguate_loops_with_multiple_latches): Likewise. >> (verify_loop_structure): Likewise. >> * cfgloopmanip.c (create_preheaders): Likewise. >> (force_single_succ_latches): Likewise. >> * config/aarch64/falkor-tag-collision-avoidance.c >> (execute_tag_collision_avoidance): Likewise. >> * config/mn10300/mn10300.c (mn10300_scan_for_setlb_lcc): Likewise. >> * config/s390/s390.c (s390_adjust_loops): Likewise. >> * doc/loop.texi: Likewise. >> * gimple-loop-interchange.cc (pass_linterchange::execute): Likewise. >> * gimple-loop-jam.c (tree_loop_unroll_and_jam): Likewise. >> * gimple-loop-versioning.cc (loop_versioning::analyze_blocks): >> Likewise. >> (loop_versioning::make_versioning_decisions): Likewise. >> * gimple-ssa-split-paths.c (split_paths): Likewise. >> * graphite-isl-ast-to-gimple.c (graphite_regenerate_ast_isl): >> Likewise. >> * graphite.c (canonicalize_loop_form): Likewise. >> (graphite_transform_loops): Likewise. >> * ipa-fnsummary.c (analyze_function_body): Likewise. >> * ipa-pure-const.c (analyze_function): Likewise. >> * loop-doloop.c (doloop_optimize_loops): Likewise. >> * loop-init.c (loop_optimizer_finalize): Likewise. >> (fix_loop_structure): Likewise. >> * loop-invariant.c (calculate_loop_reg_pressure): Likewise. >> (move_loop_invariants): Likewise. >> * loop-unroll.c (decide_unrolling): Likewise. >> (unroll_loops): Likewise. >> * modulo-sched.c (sms_schedule): Likewise. >> * predict.c (predict_loops): Likewise. >> (pass_profile::execute): Likewise. >> * profile.c (branch_prob): Likewise. >> * sel-sched-ir.c (sel_finish_pipelining): Likewise. >> (sel_find_rgns): Likewise. >> * tree-cfg.c (replace_loop_annotate): Likewise. >> (replace_uses_by): Likewise. >> (move_sese_region_to_fn): Likewise. >> * tree-if-conv.c (pass_if_conversion::execute): Likewise. >> * tree-loop-distribution.c (loop_distribution::execute): Likewise. >> * tree-parloops.c (parallelize_loops): Likewise. >> * tree-predcom.c (tree_predictive_commoning): Likewise. >> * tree-scalar-evolution.c (scev_initialize): Likewise. >> (scev_reset): Likewise. >> * tree-ssa-dce.c (find_obviously_necessary_stmts): Likewise. >> * tree-ssa-live.c (remove_unused_locals): Likewise. >> * tree-ssa-loop-ch.c (ch_base::copy_headers): Likewise. >> * tree-ssa-loop-im.c (analyze_memory_references): Likewise. >> (tree_ssa_lim_initialize): Likewise. >> * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables): >> Likewise. >> * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Likewise. >> * tree-ssa-loop-manip.c (get_loops_exits): Likewise. >> * tree-ssa-loop-niter.c (estimate_numbers_of_iterations): Likewise. >> (free_numbers_of_iterations_estimates): Likewise. >> * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise. >> * tree-ssa-loop-split.c (tree_ssa_split_loops): Likewise. >> * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Likewise. >> * tree-ssa-loop.c (gate_oacc_kernels): Likewise. >> (pass_scev_cprop::execute): Likewise. >> * tree-ssa-propagate.c (clean_up_loop_closed_phi): Likewise. >> * tree-ssa-sccvn.c (do_rpo_vn): Likewise. >> * tree-ssa-threadupdate.c >> (jump_thread_path_registry::thread_through_all_blocks): Likewise. >> * tree-vectorizer.c (vectorize_loops): Likewise. >> * tree-vrp.c (vrp_asserts::find_assert_locations): Likewise.
