dr_aligned
};
+/* Define type of def-use cross-iteration cycle. */
+enum vect_def_type {
+ vect_constant_def,
+ vect_invariant_def,
+ vect_loop_def,
+ vect_induction_def,
+ vect_reduction_def,
+ vect_unknown_def_type
+};
+
/* Define verbosity levels. */
enum verbosity_levels {
REPORT_NONE,
condition_vec_info_type
};
+typedef struct data_reference *dr_p;
+DEF_VEC_P(dr_p);
+DEF_VEC_ALLOC_P(dr_p,heap);
+
typedef struct _stmt_vec_info {
enum stmt_vec_info_type type;
indicates whether the stmt needs to be vectorized. */
bool relevant;
+ /* Indicates whether this stmts is part of a computation whose result is
+ used outside the loop. */
+ bool live;
+
/* The vector type to be used. */
tree vectype;
/* Alignment information. The offset of the data-reference from its base
in bytes. */
tree misalignment;
+
+ /* List of datarefs that are known to have the same alignment as the dataref
+ of this stmt. */
+ VEC(dr_p,heap) *same_align_refs;
+
+ /* Classify the def of this stmt. */
+ enum vect_def_type def_type;
+
} *stmt_vec_info;
/* Access Functions. */
#define STMT_VINFO_STMT(S) (S)->stmt
#define STMT_VINFO_LOOP_VINFO(S) (S)->loop_vinfo
#define STMT_VINFO_RELEVANT_P(S) (S)->relevant
+#define STMT_VINFO_LIVE_P(S) (S)->live
#define STMT_VINFO_VECTYPE(S) (S)->vectype
#define STMT_VINFO_VEC_STMT(S) (S)->vectorized_stmt
#define STMT_VINFO_DATA_REF(S) (S)->data_ref_info
#define STMT_VINFO_VECT_STEP(S) (S)->step
#define STMT_VINFO_VECT_BASE_ALIGNED_P(S) (S)->base_aligned_p
#define STMT_VINFO_VECT_MISALIGNMENT(S) (S)->misalignment
+#define STMT_VINFO_SAME_ALIGN_REFS(S) (S)->same_align_refs
+#define STMT_VINFO_DEF_TYPE(S) (S)->def_type
-static inline void set_stmt_info (stmt_ann_t ann, stmt_vec_info stmt_info);
+static inline void set_stmt_info (tree_ann_t ann, stmt_vec_info stmt_info);
static inline stmt_vec_info vinfo_for_stmt (tree stmt);
static inline void
-set_stmt_info (stmt_ann_t ann, stmt_vec_info stmt_info)
+set_stmt_info (tree_ann_t ann, stmt_vec_info stmt_info)
{
if (ann)
- ann->aux = (char *) stmt_info;
+ ann->common.aux = (char *) stmt_info;
}
static inline stmt_vec_info
vinfo_for_stmt (tree stmt)
{
- stmt_ann_t ann = stmt_ann (stmt);
- return ann ? (stmt_vec_info) ann->aux : NULL;
+ tree_ann_t ann = tree_ann (stmt);
+ return ann ? (stmt_vec_info) ann->common.aux : NULL;
}
/*-----------------------------------------------------------------*/
/** In tree-vectorizer.c **/
extern tree vect_strip_conversion (tree);
extern tree get_vectype_for_scalar_type (tree);
-extern bool vect_is_simple_use (tree , loop_vec_info, tree *);
+extern bool vect_is_simple_use (tree, loop_vec_info, tree *, tree *,
+ enum vect_def_type *);
extern bool vect_is_simple_iv_evolution (unsigned, tree, tree *, tree *);
+extern tree vect_is_simple_reduction (struct loop *, tree);
extern bool vect_can_force_dr_alignment_p (tree, unsigned int);
extern enum dr_alignment_support vect_supportable_dr_alignment
(struct data_reference *);
extern bool vectorizable_operation (tree, block_stmt_iterator *, tree *);
extern bool vectorizable_assignment (tree, block_stmt_iterator *, tree *);
extern bool vectorizable_condition (tree, block_stmt_iterator *, tree *);
+extern bool vectorizable_live_operation (tree, block_stmt_iterator *, tree *);
/* Driver for transformation stage. */
extern void vect_transform_loop (loop_vec_info, struct loops *);