From 8964b5be03c9f48198829e79ace6a84122004bcf Mon Sep 17 00:00:00 2001 From: dorit Date: Sun, 14 Jan 2007 12:42:40 +0000 Subject: * param.h (MIN_VECT_LOOP_BOUND): New. * params.def (MIN_VECT_LOOP_BOUND): New. * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another argument - minimum threshold for number of iterations. * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another argument to declaration. * tree-vect-analyze.c (vect_analyze_operations): Check value of MIN_VECT_LOOP_BOUND. * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call slpeel_tree_peel_loop_to_edge with additional argument. (vect_do_peeling_for_alignment): Likewise. * doc/invoke.texi (min-vect-loop-bound): Document new param option. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@120770 138bc75d-0d04-0410-961f-82ee72b054a4 --- gcc/tree-vectorizer.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) (limited to 'gcc/tree-vectorizer.c') diff --git a/gcc/tree-vectorizer.c b/gcc/tree-vectorizer.c index c3b64e2ed6e..7fb98577951 100644 --- a/gcc/tree-vectorizer.c +++ b/gcc/tree-vectorizer.c @@ -1064,7 +1064,8 @@ slpeel_verify_cfg_after_peeling (struct loop *first_loop, struct loop* slpeel_tree_peel_loop_to_edge (struct loop *loop, edge e, tree first_niters, - tree niters, bool update_first_loop_count) + tree niters, bool update_first_loop_count, + unsigned int th) { struct loop *new_loop = NULL, *first_loop, *second_loop; edge skip_e; @@ -1157,7 +1158,8 @@ slpeel_tree_peel_loop_to_edge (struct loop *loop, pre_condition = fold_build2 (LE_EXPR, boolean_type_node, first_niters, - build_int_cst (TREE_TYPE (first_niters), 0)); + build_int_cst (TREE_TYPE (first_niters), th)); + skip_e = slpeel_add_loop_guard (bb_before_first_loop, pre_condition, bb_before_second_loop, bb_before_first_loop); slpeel_update_phi_nodes_for_guard1 (skip_e, first_loop, -- cgit v1.2.3