diff options
Diffstat (limited to 'gcc/tree-ssa-loop.c')
| -rw-r--r-- | gcc/tree-ssa-loop.c | 54 |
1 files changed, 52 insertions, 2 deletions
diff --git a/gcc/tree-ssa-loop.c b/gcc/tree-ssa-loop.c index 639fb10..52f5a7f 100644 --- a/gcc/tree-ssa-loop.c +++ b/gcc/tree-ssa-loop.c @@ -223,13 +223,16 @@ struct gimple_opt_pass pass_predcom = static unsigned int tree_vectorize (void) { + if (number_of_loops () <= 1) + return 0; + return vectorize_loops (); } static bool gate_tree_vectorize (void) { - return flag_tree_vectorize && number_of_loops () > 1; + return flag_tree_vectorize; } struct gimple_opt_pass pass_vectorize = @@ -466,7 +469,7 @@ tree_complete_unroll (void) return tree_unroll_loops_completely (flag_unroll_loops || flag_peel_loops - || optimize >= 3); + || optimize >= 3, true); } static bool @@ -495,6 +498,53 @@ struct gimple_opt_pass pass_complete_unroll = } }; +/* Complete unrolling of inner loops. */ + +static unsigned int +tree_complete_unroll_inner (void) +{ + unsigned ret = 0; + + loop_optimizer_init (LOOPS_NORMAL + | LOOPS_HAVE_RECORDED_EXITS); + if (number_of_loops () > 1) + { + scev_initialize (); + ret = tree_unroll_loops_completely (optimize >= 3, false); + free_numbers_of_iterations_estimates (); + scev_finalize (); + } + loop_optimizer_finalize (); + + return ret; +} + +static bool +gate_tree_complete_unroll_inner (void) +{ + return optimize >= 2; +} + +struct gimple_opt_pass pass_complete_unrolli = +{ + { + GIMPLE_PASS, + "cunrolli", /* name */ + gate_tree_complete_unroll_inner, /* gate */ + tree_complete_unroll_inner, /* execute */ + NULL, /* sub */ + NULL, /* next */ + 0, /* static_pass_number */ + TV_COMPLETE_UNROLL, /* tv_id */ + PROP_cfg | PROP_ssa, /* properties_required */ + 0, /* properties_provided */ + 0, /* properties_destroyed */ + 0, /* todo_flags_start */ + TODO_dump_func | TODO_verify_loops + | TODO_ggc_collect /* todo_flags_finish */ + } +}; + /* Parallelization. */ static bool |