From c78e36522d21297b555185f5eeedd6e848eda684 Mon Sep 17 00:00:00 2001 From: Richard Biener Date: Mon, 3 Jul 2017 07:28:28 +0000 Subject: tree-vect-loop.c (vect_analyze_loop_operations): Also analyze reduction PHIs. 2016-07-03 Richard Biener * tree-vect-loop.c (vect_analyze_loop_operations): Also analyze reduction PHIs. (vect_force_simple_reduction): Record reduction def -> phi mapping. (vectorizable_reduction): Perform reduction PHI creation when visiting a reduction PHI and adjust and simplify code generation phase of the reduction op. Cache dts, use fold_binary, not fold_build2. (vect_transform_loop): Visit reduction PHIs. * tree-vect-slp.c (vect_get_and_check_slp_defs): Record reduction defs into the SLP tree. (vect_build_slp_tree): Reduction defs terminate the recursion. * tree-vect-stmts.c (vect_get_vec_def_for_operand_1): Allow lookup of reduction defs. (vect_get_vec_defs_for_stmt_copy): Export. (vect_get_vec_defs): Likewise. * tree-vectorizer.h (struct _stmt_vec_info): Amend reduc_def purpose. (vect_get_vec_defs_for_stmt_copy): Declare. (vect_get_vec_defs): Likewise. From-SVN: r249897 --- gcc/tree-vectorizer.h | 8 +++++++- 1 file changed, 7 insertions(+), 1 deletion(-) (limited to 'gcc/tree-vectorizer.h') diff --git a/gcc/tree-vectorizer.h b/gcc/tree-vectorizer.h index 1ab1231..c4a84e8 100644 --- a/gcc/tree-vectorizer.h +++ b/gcc/tree-vectorizer.h @@ -647,7 +647,9 @@ typedef struct _stmt_vec_info { vect_force_simple_reduction. */ enum vect_reduction_type reduc_type; - /* On a reduction PHI the def returned by vect_force_simple_reduction. */ + /* On a reduction PHI the def returned by vect_force_simple_reduction. + On the def returned by vect_force_simple_reduction the + corresponding PHI. */ gimple *reduc_def; /* The number of scalar stmt references from active SLP instances. */ @@ -1078,6 +1080,10 @@ extern void vect_finish_stmt_generation (gimple *, gimple *, extern bool vect_mark_stmts_to_be_vectorized (loop_vec_info); extern tree vect_get_vec_def_for_operand_1 (gimple *, enum vect_def_type); extern tree vect_get_vec_def_for_operand (tree, gimple *, tree = NULL); +extern void vect_get_vec_defs (tree, tree, gimple *, vec *, + vec *, slp_tree); +extern void vect_get_vec_defs_for_stmt_copy (enum vect_def_type *, + vec *, vec *); extern tree vect_init_vector (gimple *, tree, tree, gimple_stmt_iterator *); extern tree vect_get_vec_def_for_stmt_copy (enum vect_def_type, tree); -- cgit v1.1