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-rw-r--r--gcc/ChangeLog7
-rw-r--r--gcc/tree-vect-loop-manip.c20
2 files changed, 17 insertions, 10 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 14cde6a..67ae170 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,5 +1,12 @@
2017-05-26 Bin Cheng <bin.cheng@arm.com>
+ * tree-vect-loop-manip.c (create_intersect_range_checks_index): Pass
+ in parameter loop, rather than loop_vinfo.
+ (create_intersect_range_checks): Ditto.
+ (vect_create_cond_for_alias_checks): Update call to above functions.
+
+2017-05-26 Bin Cheng <bin.cheng@arm.com>
+
PR tree-optimization/80815
* tree-data-ref.c (prune_runtime_alias_test_list): Simplify condition
for merging runtime alias checks. Handle negative DR_STEPs.
diff --git a/gcc/tree-vect-loop-manip.c b/gcc/tree-vect-loop-manip.c
index f48336b..62b1fe8 100644
--- a/gcc/tree-vect-loop-manip.c
+++ b/gcc/tree-vect-loop-manip.c
@@ -2044,11 +2044,11 @@ vect_create_cond_for_align_checks (loop_vec_info loop_vinfo,
*cond_expr = part_cond_expr;
}
-/* Given two data references and segment lengths described by DR_A and DR_B,
- create expression checking if the two addresses ranges intersect with
- each other based on index of the two addresses. This can only be done
- if DR_A and DR_B referring to the same (array) object and the index is
- the only difference. For example:
+/* Given LOOP's two data references and segment lengths described by DR_A
+ and DR_B, create expression checking if the two addresses ranges intersect
+ with each other based on index of the two addresses. This can only be
+ done if DR_A and DR_B referring to the same (array) object and the index
+ is the only difference. For example:
DR_A DR_B
data-ref arr[i] arr[j]
@@ -2070,7 +2070,7 @@ vect_create_cond_for_align_checks (loop_vec_info loop_vinfo,
Note evolution step of index needs to be considered in comparison. */
static bool
-create_intersect_range_checks_index (loop_vec_info loop_vinfo, tree *cond_expr,
+create_intersect_range_checks_index (struct loop *loop, tree *cond_expr,
const dr_with_seg_len& dr_a,
const dr_with_seg_len& dr_b)
{
@@ -2109,7 +2109,6 @@ create_intersect_range_checks_index (loop_vec_info loop_vinfo, tree *cond_expr,
unsigned HOST_WIDE_INT niter_len2 = (seg_len2 + abs_step - 1) / abs_step;
unsigned int i;
- struct loop *loop = LOOP_VINFO_LOOP (loop_vinfo);
for (i = 0; i < DR_NUM_DIMENSIONS (dr_a.dr); i++)
{
tree access1 = DR_ACCESS_FN (dr_a.dr, i);
@@ -2186,12 +2185,12 @@ create_intersect_range_checks_index (loop_vec_info loop_vinfo, tree *cond_expr,
|| (DR_B_addr_0 + DER_B_segment_length_0) <= DR_A_addr_0)) */
static void
-create_intersect_range_checks (loop_vec_info loop_vinfo, tree *cond_expr,
+create_intersect_range_checks (struct loop *loop, tree *cond_expr,
const dr_with_seg_len& dr_a,
const dr_with_seg_len& dr_b)
{
*cond_expr = NULL_TREE;
- if (create_intersect_range_checks_index (loop_vinfo, cond_expr, dr_a, dr_b))
+ if (create_intersect_range_checks_index (loop, cond_expr, dr_a, dr_b))
return;
tree segment_length_a = dr_a.seg_len;
@@ -2263,6 +2262,7 @@ vect_create_cond_for_alias_checks (loop_vec_info loop_vinfo, tree * cond_expr)
if (comp_alias_ddrs.is_empty ())
return;
+ struct loop *loop = LOOP_VINFO_LOOP (loop_vinfo);
for (size_t i = 0, s = comp_alias_ddrs.length (); i < s; ++i)
{
const dr_with_seg_len& dr_a = comp_alias_ddrs[i].first;
@@ -2279,7 +2279,7 @@ vect_create_cond_for_alias_checks (loop_vec_info loop_vinfo, tree * cond_expr)
}
/* Create condition expression for each pair data references. */
- create_intersect_range_checks (loop_vinfo, &part_cond_expr, dr_a, dr_b);
+ create_intersect_range_checks (loop, &part_cond_expr, dr_a, dr_b);
if (*cond_expr)
*cond_expr = fold_build2 (TRUTH_AND_EXPR, boolean_type_node,
*cond_expr, part_cond_expr);