We were using the size of the mask argument rather than the data
argument for the ao_ref.
Bootstrap and regtest running on x86_64-unknown-linux-gnu.
PR tree-optimization/107095
* tree-ssa-dse.cc (initialize_ao_ref_for_dse): Use data arg
for .MASK_STORE size.
---
gcc/tree-ssa-dse.cc | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/gcc/tree-ssa-dse.cc b/gcc/tree-ssa-dse.cc
index 2411ac711de..c14e5e43eb3 100644
--- a/gcc/tree-ssa-dse.cc
+++ b/gcc/tree-ssa-dse.cc
@@ -170,7 +170,7 @@ initialize_ao_ref_for_dse (gimple *stmt, ao_ref *write,
bool may_def_ok = false)
{
ao_ref_init_from_ptr_and_size
(write, gimple_call_arg (stmt, 0),
- TYPE_SIZE_UNIT (TREE_TYPE (gimple_call_arg (stmt, 2))));
+ TYPE_SIZE_UNIT (TREE_TYPE (gimple_call_arg (stmt, 3))));
return true;
}
break;
--
2.35.3
