The following makes sure to allocate enough space for vectype_op
in vectorizable_reduction.
Bootstrapped and tested on x86_64-unknown-linux-gnu, pushed.
PR tree-optimization/112677
* tree-vect-loop.cc (vectorizable_reduction): Use alloca
to allocate vectype_op.
---
gcc/tree-vect-loop.cc | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/gcc/tree-vect-loop.cc b/gcc/tree-vect-loop.cc
index caaed977c89..3df020d2228 100644
--- a/gcc/tree-vect-loop.cc
+++ b/gcc/tree-vect-loop.cc
@@ -7385,7 +7385,6 @@ vectorizable_reduction (loop_vec_info loop_vinfo,
stmt_vector_for_cost *cost_vec)
{
tree vectype_in = NULL_TREE;
- tree vectype_op[3] = { NULL_TREE, NULL_TREE, NULL_TREE };
class loop *loop = LOOP_VINFO_LOOP (loop_vinfo);
enum vect_def_type cond_reduc_dt = vect_unknown_def_type;
stmt_vec_info cond_stmt_vinfo = NULL;
@@ -7617,6 +7616,7 @@ vectorizable_reduction (loop_vec_info loop_vinfo,
assumption is not true: we use reduc_index to record the index of the
reduction variable. */
slp_tree *slp_op = XALLOCAVEC (slp_tree, op.num_ops);
+ tree *vectype_op = XALLOCAVEC (tree, op.num_ops);
/* We need to skip an extra operand for COND_EXPRs with embedded
comparison. */
unsigned opno_adjust = 0;
--
2.35.3
