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-rw-r--r--gcc/tree-vect-data-refs.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/gcc/tree-vect-data-refs.c b/gcc/tree-vect-data-refs.c
index 2462276..959c2d3 100644
--- a/gcc/tree-vect-data-refs.c
+++ b/gcc/tree-vect-data-refs.c
@@ -1109,7 +1109,7 @@ vect_compute_data_ref_alignment (vec_info *vinfo, dr_vec_info *dr_info)
if (tree_int_cst_sgn (drb->step) < 0)
/* PLUS because STEP is negative. */
misalignment += ((TYPE_VECTOR_SUBPARTS (vectype) - 1)
- * TREE_INT_CST_LOW (drb->step));
+ * -TREE_INT_CST_LOW (TYPE_SIZE_UNIT (TREE_TYPE (vectype))));
unsigned int const_misalignment;
if (!known_misalignment (misalignment, vect_align_c, &const_misalignment))