aboutsummaryrefslogtreecommitdiff
path: root/gcc/tree-vectorizer.h
diff options
context:
space:
mode:
Diffstat (limited to 'gcc/tree-vectorizer.h')
-rw-r--r--gcc/tree-vectorizer.h28
1 files changed, 27 insertions, 1 deletions
diff --git a/gcc/tree-vectorizer.h b/gcc/tree-vectorizer.h
index 8eb3ec4..1e2121a 100644
--- a/gcc/tree-vectorizer.h
+++ b/gcc/tree-vectorizer.h
@@ -2080,6 +2080,32 @@ vect_get_num_vectors (poly_uint64 nunits, tree vectype)
return exact_div (nunits, TYPE_VECTOR_SUBPARTS (vectype)).to_constant ();
}
+/* Return the number of vectors in the context of vectorization region VINFO,
+ needed for a group of statements, whose size is specified by lanes of NODE,
+ if NULL, it is 1. The statements are supposed to be interleaved together
+ with no gap, and all operate on vectors of type VECTYPE, if NULL, the
+ vectype of NODE is used. */
+
+inline unsigned int
+vect_get_num_copies (vec_info *vinfo, slp_tree node, tree vectype = NULL)
+{
+ poly_uint64 vf;
+
+ if (loop_vec_info loop_vinfo = dyn_cast <loop_vec_info> (vinfo))
+ vf = LOOP_VINFO_VECT_FACTOR (loop_vinfo);
+ else
+ vf = 1;
+
+ if (node)
+ {
+ vf *= SLP_TREE_LANES (node);
+ if (!vectype)
+ vectype = SLP_TREE_VECTYPE (node);
+ }
+
+ return vect_get_num_vectors (vf, vectype);
+}
+
/* 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
@@ -2088,7 +2114,7 @@ vect_get_num_vectors (poly_uint64 nunits, tree vectype)
inline unsigned int
vect_get_num_copies (loop_vec_info loop_vinfo, tree vectype)
{
- return vect_get_num_vectors (LOOP_VINFO_VECT_FACTOR (loop_vinfo), vectype);
+ return vect_get_num_copies (loop_vinfo, NULL, vectype);
}
/* Update maximum unit count *MAX_NUNITS so that it accounts for