diff options
| -rw-r--r-- | compiler/dex/gvn_dead_code_elimination.cc | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/compiler/dex/gvn_dead_code_elimination.cc b/compiler/dex/gvn_dead_code_elimination.cc index 6e1e414ea6..915fbcda04 100644 --- a/compiler/dex/gvn_dead_code_elimination.cc +++ b/compiler/dex/gvn_dead_code_elimination.cc @@ -340,7 +340,8 @@ void GvnDeadCodeElimination::VRegChains::RemoveChange(uint16_t change) { DCHECK_EQ(vreg_high_words_.IsBitSet(v_reg), v_reg == data->vreg_def + 1); if (data->vreg_def == v_reg && data->low_def_over_high_word) { vreg_high_words_.SetBit(v_reg); - } else if (data->vreg_def != v_reg && data->high_def_over_low_word) { + } else if (data->vreg_def != v_reg && + (data->high_def_over_low_word || data->prev_value_high.value == kNoValue)) { vreg_high_words_.ClearBit(v_reg); } } else { |