diff options
| -rw-r--r-- | gcc/expr.cc | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/gcc/expr.cc b/gcc/expr.cc index 868fa6e..62cd8fa 100644 --- a/gcc/expr.cc +++ b/gcc/expr.cc @@ -7531,8 +7531,11 @@ store_constructor (tree exp, rtx target, int cleared, poly_int64 size, } /* Inform later passes that the old value is dead. */ - if (!cleared && !vector && REG_P (target)) - emit_move_insn (target, CONST0_RTX (mode)); + if (!cleared && !vector && REG_P (target) && maybe_gt (n_elts, 1u)) + { + emit_move_insn (target, CONST0_RTX (mode)); + cleared = 1; + } if (MEM_P (target)) alias = MEM_ALIAS_SET (target); |