/* Unrolling factor */
int vectorization_factor;
+ /* The loop location in the source. */
+ LOC loop_line_number;
+
/* Unknown DRs according to which loop was peeled. */
struct data_reference *unaligned_dr;
runtime (loop versioning) misalignment check. */
VEC(gimple,heap) *may_misalign_stmts;
- /* The loop location in the source. */
- LOC loop_line_number;
-
/* All interleaving chains of stores in the loop, represented by the first
stmt in the chain. */
VEC(gimple, heap) *strided_stores;
enum stmt_vec_info_type type;
+ /* Indicates whether this stmts is part of a computation whose result is
+ used outside the loop. */
+ bool live;
+
+ /* Stmt is part of some pattern (computation idiom) */
+ bool in_pattern_p;
+
+ /* For loads only, if there is a store with the same location, this field is
+ TRUE. */
+ bool read_write_dep;
+
/* The stmt to which this info struct refers to. */
gimple stmt;
/* The loop_vec_info with respect to which STMT is vectorized. */
loop_vec_info loop_vinfo;
- /* Not all stmts in the loop need to be vectorized. e.g, the increment
- of the loop induction variable and computation of array indexes. relevant
- indicates whether the stmt needs to be vectorized. */
- enum vect_relevant 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 for the LHS of this statement. */
tree vectype;
tree dr_step;
tree dr_aligned_to;
- /* Stmt is part of some pattern (computation idiom) */
- bool in_pattern_p;
-
/* Used for various bookkeeping purposes, generally holding a pointer to
some other stmt S that is in some way "related" to this stmt.
Current use of this field is:
/* Classify the def of this stmt. */
enum vect_def_type def_type;
+ /* Whether the stmt is SLPed, loop-based vectorized, or both. */
+ enum slp_vect_type slp_type;
+
/* Interleaving info. */
/* First data-ref in the interleaving group. */
gimple first_dr;
/* Pointer to the next data-ref in the group. */
gimple next_dr;
+ /* In case that two or more stmts share data-ref, this is the pointer to the
+ previously detected stmt with the same dr. */
+ gimple same_dr_stmt;
/* The size of the interleaving group. */
unsigned int size;
/* For stores, number of stores from this group seen. We vectorize the last
/* For loads only, the gap from the previous load. For consecutive loads, GAP
is 1. */
unsigned int gap;
- /* In case that two or more stmts share data-ref, this is the pointer to the
- previously detected stmt with the same dr. */
- gimple same_dr_stmt;
- /* For loads only, if there is a store with the same location, this field is
- TRUE. */
- bool read_write_dep;
+
+ /* Not all stmts in the loop need to be vectorized. e.g, the increment
+ of the loop induction variable and computation of array indexes. relevant
+ indicates whether the stmt needs to be vectorized. */
+ enum vect_relevant relevant;
/* Vectorization costs associated with statement. */
struct
int inside_of_loop; /* Statements generated inside loop. */
} cost;
- /* Whether the stmt is SLPed, loop-based vectorized, or both. */
- enum slp_vect_type slp_type;
-
/* The bb_vec_info with respect to which STMT is vectorized. */
bb_vec_info bb_vinfo;
+
+ /* Is this statement vectorizable or should it be skipped in (partial)
+ vectorization. */
+ bool vectorizable;
} *stmt_vec_info;
/* Access Functions. */
#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_VECTORIZABLE(S) (S)->vectorizable
#define STMT_VINFO_DATA_REF(S) (S)->data_ref_info
#define STMT_VINFO_DR_BASE_ADDRESS(S) (S)->dr_base_address
#define PURE_SLP_STMT(S) ((S)->slp_type == pure_slp)
#define STMT_SLP_TYPE(S) (S)->slp_type
-/* These are some defines for the initial implementation of the vectorizer's
- cost model. These will later be target specific hooks. */
-
-/* Cost of conditional taken branch. */
-#ifndef TARG_COND_TAKEN_BRANCH_COST
-#define TARG_COND_TAKEN_BRANCH_COST 3
-#endif
-
-/* Cost of conditional not taken branch. */
-#ifndef TARG_COND_NOT_TAKEN_BRANCH_COST
-#define TARG_COND_NOT_TAKEN_BRANCH_COST 1
-#endif
-
-/* Cost of any scalar operation, excluding load and store. */
-#ifndef TARG_SCALAR_STMT_COST
-#define TARG_SCALAR_STMT_COST 1
-#endif
-
-/* Cost of scalar load. */
-#ifndef TARG_SCALAR_LOAD_COST
-#define TARG_SCALAR_LOAD_COST 1
-#endif
-
-/* Cost of scalar store. */
-#ifndef TARG_SCALAR_STORE_COST
-#define TARG_SCALAR_STORE_COST 1
-#endif
-
-/* Cost of any vector operation, excluding load, store or vector to scalar
- operation. */
-#ifndef TARG_VEC_STMT_COST
-#define TARG_VEC_STMT_COST 1
-#endif
-
-/* Cost of vector to scalar operation. */
-#ifndef TARG_VEC_TO_SCALAR_COST
-#define TARG_VEC_TO_SCALAR_COST 1
-#endif
-
-/* Cost of scalar to vector operation. */
-#ifndef TARG_SCALAR_TO_VEC_COST
-#define TARG_SCALAR_TO_VEC_COST 1
-#endif
-
-/* Cost of aligned vector load. */
-#ifndef TARG_VEC_LOAD_COST
-#define TARG_VEC_LOAD_COST 1
-#endif
-
-/* Cost of misaligned vector load. */
-#ifndef TARG_VEC_UNALIGNED_LOAD_COST
-#define TARG_VEC_UNALIGNED_LOAD_COST 2
-#endif
-
-/* Cost of vector store. */
-#ifndef TARG_VEC_STORE_COST
-#define TARG_VEC_STORE_COST 1
-#endif
-
-/* Cost of vector permutation. */
-#ifndef TARG_VEC_PERMUTE_COST
-#define TARG_VEC_PERMUTE_COST 1
-#endif
-
/* The maximum number of intermediate steps required in multi-step type
conversion. */
#define MAX_INTERM_CVT_STEPS 3
if (uid == 0)
return NULL;
- gcc_assert (uid <= VEC_length (vec_void_p, stmt_vec_info_vec));
return (stmt_vec_info) VEC_index (vec_void_p, stmt_vec_info_vec, uid - 1);
}
unsigned int uid = gimple_uid (stmt);
if (uid == 0)
{
- gcc_assert (info);
+ gcc_checking_assert (info);
uid = VEC_length (vec_void_p, stmt_vec_info_vec) + 1;
gimple_set_uid (stmt, uid);
VEC_safe_push (vec_void_p, heap, stmt_vec_info_vec, (vec_void_p) info);
if (uid1 == 0 || uid2 == 0)
return NULL;
- gcc_assert (uid1 <= VEC_length (vec_void_p, stmt_vec_info_vec));
- gcc_assert (uid2 <= VEC_length (vec_void_p, stmt_vec_info_vec));
+ gcc_checking_assert (uid1 <= VEC_length (vec_void_p, stmt_vec_info_vec)
+ && uid2 <= VEC_length (vec_void_p, stmt_vec_info_vec));
if (uid1 < uid2)
return stmt1;
{
if (bb == (bb->loop_father)->header)
return true;
- gcc_assert (EDGE_COUNT (bb->preds) == 1);
+ gcc_checking_assert (EDGE_COUNT (bb->preds) == 1);
return false;
}
/* In tree-vect-loop.c. */
/* FORNOW: Used in tree-parloops.c. */
extern void destroy_loop_vec_info (loop_vec_info, bool);
-extern gimple vect_is_simple_reduction (loop_vec_info, gimple, bool, bool *);
+extern gimple vect_force_simple_reduction (loop_vec_info, gimple, bool, bool *);
/* Drive for loop analysis stage. */
extern loop_vec_info vect_analyze_loop (struct loop *);
/* Drive for loop transformation stage. */
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