diff options
Diffstat (limited to 'gcc/tree-data-ref.h')
| -rw-r--r-- | gcc/tree-data-ref.h | 28 |
1 files changed, 20 insertions, 8 deletions
diff --git a/gcc/tree-data-ref.h b/gcc/tree-data-ref.h index 8caafa43ffd..ea3bb7ddd30 100644 --- a/gcc/tree-data-ref.h +++ b/gcc/tree-data-ref.h @@ -79,10 +79,9 @@ struct subscript tree conflicting_iterations_in_a; tree conflicting_iterations_in_b; - /* These fields store the information about the iteration domain + /* This field stores the information about the iteration domain validity of the dependence relation. */ - tree last_conflict_in_a; - tree last_conflict_in_b; + tree last_conflict; /* Distance from the iteration that access a conflicting element in A to the iteration that access this same conflicting element in @@ -93,8 +92,7 @@ struct subscript #define SUB_CONFLICTS_IN_A(SUB) SUB->conflicting_iterations_in_a #define SUB_CONFLICTS_IN_B(SUB) SUB->conflicting_iterations_in_b -#define SUB_LAST_CONFLICT_IN_A(SUB) SUB->last_conflict_in_a -#define SUB_LAST_CONFLICT_IN_B(SUB) SUB->last_conflict_in_b +#define SUB_LAST_CONFLICT(SUB) SUB->last_conflict #define SUB_DISTANCE(SUB) SUB->distance /* A data_dependence_relation represents a relation between two @@ -106,6 +104,10 @@ struct data_dependence_relation struct data_reference *a; struct data_reference *b; + /* When the dependence relation is affine, it can be represented by + a distance vector. */ + bool affine_p; + /* A "yes/no/maybe" field for the dependence relation: - when "ARE_DEPENDENT == NULL_TREE", there exist a dependence @@ -124,6 +126,9 @@ struct data_dependence_relation the data_dependence_relation. */ varray_type subscripts; + /* The size of the direction/distance vectors. */ + int size_vect; + /* The classic direction vector. */ lambda_vector dir_vect; @@ -133,26 +138,32 @@ struct data_dependence_relation #define DDR_A(DDR) DDR->a #define DDR_B(DDR) DDR->b +#define DDR_AFFINE_P(DDR) DDR->affine_p #define DDR_ARE_DEPENDENT(DDR) DDR->are_dependent #define DDR_SUBSCRIPTS(DDR) DDR->subscripts #define DDR_SUBSCRIPTS_VECTOR_INIT(DDR, N) \ VARRAY_GENERIC_PTR_INIT (DDR_SUBSCRIPTS (DDR), N, "subscripts_vector"); #define DDR_SUBSCRIPT(DDR, I) VARRAY_GENERIC_PTR (DDR_SUBSCRIPTS (DDR), I) #define DDR_NUM_SUBSCRIPTS(DDR) VARRAY_ACTIVE_SIZE (DDR_SUBSCRIPTS (DDR)) +#define DDR_SIZE_VECT(DDR) DDR->size_vect #define DDR_DIR_VECT(DDR) DDR->dir_vect #define DDR_DIST_VECT(DDR) DDR->dist_vect -struct data_dependence_relation *initialize_data_dependence_relation +extern tree find_data_references_in_loop (struct loop *, varray_type *); +extern struct data_dependence_relation *initialize_data_dependence_relation (struct data_reference *, struct data_reference *); -void compute_affine_dependence (struct data_dependence_relation *); +extern void compute_affine_dependence (struct data_dependence_relation *); extern void analyze_all_data_dependences (struct loops *); extern void compute_data_dependences_for_loop (unsigned, struct loop *, varray_type *, varray_type *); extern struct data_reference * init_data_ref (tree, tree, tree, tree, bool); extern struct data_reference *analyze_array (tree, tree, bool); +extern void dump_subscript (FILE *, struct subscript *); +extern void dump_ddrs (FILE *, varray_type); +extern void dump_dist_dir_vectors (FILE *, varray_type); extern void dump_data_reference (FILE *, struct data_reference *); extern void dump_data_references (FILE *, varray_type); extern void dump_data_dependence_relation (FILE *, @@ -161,11 +172,12 @@ extern void dump_data_dependence_relations (FILE *, varray_type); extern void dump_data_dependence_direction (FILE *, enum data_dependence_direction); extern bool array_base_name_differ_p (struct data_reference *, - struct data_reference *, bool *p); + struct data_reference *, bool *); extern void free_dependence_relation (struct data_dependence_relation *); extern void free_dependence_relations (varray_type); extern void free_data_refs (varray_type); + #endif /* GCC_TREE_DATA_REF_H */ |