diff options
Diffstat (limited to 'gcc/tree-vectorizer.h')
| -rw-r--r-- | gcc/tree-vectorizer.h | 45 |
1 files changed, 27 insertions, 18 deletions
diff --git a/gcc/tree-vectorizer.h b/gcc/tree-vectorizer.h index af5d5bf..63cff79 100644 --- a/gcc/tree-vectorizer.h +++ b/gcc/tree-vectorizer.h @@ -612,6 +612,12 @@ typedef struct _loop_vec_info : public vec_info { #define LOOP_VINFO_ORIG_MAX_VECT_FACTOR(L) \ (LOOP_VINFO_MAX_VECT_FACTOR (LOOP_VINFO_ORIG_LOOP_INFO (L))) +/* Wrapper for loop_vec_info, for tracking success/failure, where a non-NULL + value signifies success, and a NULL value signifies failure, supporting + propagating an opt_problem * describing the failure back up the call + stack. */ +typedef opt_pointer_wrapper <loop_vec_info> opt_loop_vec_info; + static inline loop_vec_info loop_vec_info_for_loop (struct loop *loop) { @@ -1473,7 +1479,7 @@ extern unsigned record_stmt_cost (stmt_vector_for_cost *, int, extern stmt_vec_info vect_finish_replace_stmt (stmt_vec_info, gimple *); extern stmt_vec_info vect_finish_stmt_generation (stmt_vec_info, gimple *, gimple_stmt_iterator *); -extern bool vect_mark_stmts_to_be_vectorized (loop_vec_info); +extern opt_result vect_mark_stmts_to_be_vectorized (loop_vec_info); extern tree vect_get_store_rhs (stmt_vec_info); extern tree vect_get_vec_def_for_operand_1 (stmt_vec_info, enum vect_def_type); extern tree vect_get_vec_def_for_operand (tree, stmt_vec_info, tree = NULL); @@ -1487,8 +1493,8 @@ extern tree vect_get_vec_def_for_stmt_copy (vec_info *, tree); extern bool vect_transform_stmt (stmt_vec_info, gimple_stmt_iterator *, slp_tree, slp_instance); extern void vect_remove_stores (stmt_vec_info); -extern bool vect_analyze_stmt (stmt_vec_info, bool *, slp_tree, slp_instance, - stmt_vector_for_cost *); +extern opt_result vect_analyze_stmt (stmt_vec_info, bool *, slp_tree, + slp_instance, stmt_vector_for_cost *); extern bool vectorizable_condition (stmt_vec_info, gimple_stmt_iterator *, stmt_vec_info *, tree, int, slp_tree, stmt_vector_for_cost *); @@ -1504,8 +1510,9 @@ extern tree vect_gen_perm_mask_checked (tree, const vec_perm_indices &); extern void optimize_mask_stores (struct loop*); extern gcall *vect_gen_while (tree, tree, tree); extern tree vect_gen_while_not (gimple_seq *, tree, tree, tree); -extern bool vect_get_vector_types_for_stmt (stmt_vec_info, tree *, tree *); -extern tree vect_get_mask_type_for_stmt (stmt_vec_info); +extern opt_result vect_get_vector_types_for_stmt (stmt_vec_info, tree *, + tree *); +extern opt_tree vect_get_mask_type_for_stmt (stmt_vec_info); /* In tree-vect-data-refs.c. */ extern bool vect_can_force_dr_alignment_p (const_tree, unsigned int); @@ -1513,21 +1520,21 @@ extern enum dr_alignment_support vect_supportable_dr_alignment (dr_vec_info *, bool); extern tree vect_get_smallest_scalar_type (stmt_vec_info, HOST_WIDE_INT *, HOST_WIDE_INT *); -extern bool vect_analyze_data_ref_dependences (loop_vec_info, unsigned int *); +extern opt_result vect_analyze_data_ref_dependences (loop_vec_info, unsigned int *); extern bool vect_slp_analyze_instance_dependence (slp_instance); -extern bool vect_enhance_data_refs_alignment (loop_vec_info); -extern bool vect_analyze_data_refs_alignment (loop_vec_info); -extern bool vect_verify_datarefs_alignment (loop_vec_info); +extern opt_result vect_enhance_data_refs_alignment (loop_vec_info); +extern opt_result vect_analyze_data_refs_alignment (loop_vec_info); +extern opt_result vect_verify_datarefs_alignment (loop_vec_info); extern bool vect_slp_analyze_and_verify_instance_alignment (slp_instance); -extern bool vect_analyze_data_ref_accesses (vec_info *); -extern bool vect_prune_runtime_alias_test_list (loop_vec_info); +extern opt_result vect_analyze_data_ref_accesses (vec_info *); +extern opt_result vect_prune_runtime_alias_test_list (loop_vec_info); extern bool vect_gather_scatter_fn_p (bool, bool, tree, tree, unsigned int, signop, int, internal_fn *, tree *); extern bool vect_check_gather_scatter (stmt_vec_info, loop_vec_info, gather_scatter_info *); -extern bool vect_find_stmt_data_reference (loop_p, gimple *, - vec<data_reference_p> *); -extern bool vect_analyze_data_refs (vec_info *, poly_uint64 *); +extern opt_result vect_find_stmt_data_reference (loop_p, gimple *, + vec<data_reference_p> *); +extern opt_result vect_analyze_data_refs (vec_info *, poly_uint64 *); extern void vect_record_base_alignments (vec_info *); extern tree vect_create_data_ref_ptr (stmt_vec_info, tree, struct loop *, tree, tree *, gimple_stmt_iterator *, @@ -1563,8 +1570,9 @@ extern stmt_vec_info vect_force_simple_reduction (loop_vec_info, stmt_vec_info, extern bool check_reduction_path (dump_user_location_t, loop_p, gphi *, tree, enum tree_code); /* Drive for loop analysis stage. */ -extern loop_vec_info vect_analyze_loop (struct loop *, loop_vec_info, - vec_info_shared *); +extern opt_loop_vec_info vect_analyze_loop (struct loop *, + loop_vec_info, + vec_info_shared *); extern tree vect_build_loop_niters (loop_vec_info, bool * = NULL); extern void vect_gen_vector_loop_niters (loop_vec_info, tree, tree *, tree *, bool); @@ -1577,7 +1585,8 @@ extern tree vect_get_loop_mask (gimple_stmt_iterator *, vec_loop_masks *, /* Drive for loop transformation stage. */ extern struct loop *vect_transform_loop (loop_vec_info); -extern loop_vec_info vect_analyze_loop_form (struct loop *, vec_info_shared *); +extern opt_loop_vec_info vect_analyze_loop_form (struct loop *, + vec_info_shared *); extern bool vectorizable_live_operation (stmt_vec_info, gimple_stmt_iterator *, slp_tree, int, stmt_vec_info *, stmt_vector_for_cost *); @@ -1602,7 +1611,7 @@ extern bool vect_transform_slp_perm_load (slp_tree, vec<tree> , slp_instance, bool, unsigned *); extern bool vect_slp_analyze_operations (vec_info *); extern void vect_schedule_slp (vec_info *); -extern bool vect_analyze_slp (vec_info *, unsigned); +extern opt_result vect_analyze_slp (vec_info *, unsigned); extern bool vect_make_slp_decision (loop_vec_info); extern void vect_detect_hybrid_slp (loop_vec_info); extern void vect_get_slp_defs (vec<tree> , slp_tree, vec<vec<tree> > *); |