diff options
Diffstat (limited to 'gcc/tree-vectorizer.h')
| -rw-r--r-- | gcc/tree-vectorizer.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/gcc/tree-vectorizer.h b/gcc/tree-vectorizer.h index 7ed0078..6efcd51 100644 --- a/gcc/tree-vectorizer.h +++ b/gcc/tree-vectorizer.h @@ -1076,6 +1076,20 @@ unlimited_cost_model (loop_p loop) return (flag_vect_cost_model == VECT_COST_MODEL_UNLIMITED); } +/* Return the number of copies needed for loop vectorization when + a statement operates on vectors of type VECTYPE. This is the + vectorization factor divided by the number of elements in + VECTYPE and is always known at compile time. */ + +static inline unsigned int +vect_get_num_copies (loop_vec_info loop_vinfo, tree vectype) +{ + gcc_checking_assert (LOOP_VINFO_VECT_FACTOR (loop_vinfo) + % TYPE_VECTOR_SUBPARTS (vectype) == 0); + return (LOOP_VINFO_VECT_FACTOR (loop_vinfo) + / TYPE_VECTOR_SUBPARTS (vectype)); +} + /* Source location */ extern source_location vect_location; |