diff options
Diffstat (limited to 'gcc/tree-ssa-loop.c')
| -rw-r--r-- | gcc/tree-ssa-loop.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/gcc/tree-ssa-loop.c b/gcc/tree-ssa-loop.c index a1e6494712a..99dbc71aefd 100644 --- a/gcc/tree-ssa-loop.c +++ b/gcc/tree-ssa-loop.c @@ -37,6 +37,7 @@ Software Foundation, 59 Temple Place - Suite 330, Boston, MA #include "cfgloop.h" #include "flags.h" #include "tree-inline.h" +#include "tree-scalar-evolution.h" /* The loop tree currently optimized. */ @@ -98,6 +99,9 @@ static void tree_ssa_loop_init (void) { current_loops = tree_loop_optimizer_init (dump_file); + if (!current_loops) + return; + scev_initialize (current_loops); } struct tree_opt_pass pass_loop_init = @@ -149,6 +153,40 @@ struct tree_opt_pass pass_lim = TODO_dump_func /* todo_flags_finish */ }; +/* Loop autovectorization. */ + +static void +tree_vectorize (void) +{ + if (!current_loops) + return; + + bitmap_clear (vars_to_rename); + vectorize_loops (current_loops); +} + +static bool +gate_tree_vectorize (void) +{ + return flag_tree_vectorize != 0; +} + +struct tree_opt_pass pass_vectorize = +{ + "vect", /* name */ + gate_tree_vectorize, /* gate */ + tree_vectorize, /* execute */ + NULL, /* sub */ + NULL, /* next */ + 0, /* static_pass_number */ + TV_TREE_VECTORIZATION, /* tv_id */ + PROP_cfg | PROP_ssa, /* properties_required */ + 0, /* properties_provided */ + 0, /* properties_destroyed */ + 0, /* todo_flags_start */ + TODO_dump_func /* todo_flags_finish */ +}; + /* Loop optimizer finalization. */ static void @@ -157,6 +195,8 @@ tree_ssa_loop_done (void) if (!current_loops) return; + scev_finalize (); + #ifdef ENABLE_CHECKING verify_loop_closed_ssa (); #endif |