Index: src/compiler/effect-control-linearizer.cc |
diff --git a/src/compiler/effect-control-linearizer.cc b/src/compiler/effect-control-linearizer.cc |
index 8701c1923b80c8121efcb371af360bf8eb4fd21d..f50650b041904477c14fec53ede6fba8d1c4d920 100644 |
--- a/src/compiler/effect-control-linearizer.cc |
+++ b/src/compiler/effect-control-linearizer.cc |
@@ -1308,6 +1308,7 @@ EffectControlLinearizer::LowerCheckedUint32Mod(Node* node, Node* frame_state, |
EffectControlLinearizer::ValueEffectControl |
EffectControlLinearizer::LowerCheckedInt32Mul(Node* node, Node* frame_state, |
Node* effect, Node* control) { |
+ CheckForMinusZeroMode mode = CheckMinusZeroModeOf(node->op()); |
Node* zero = jsgraph()->Int32Constant(0); |
Node* lhs = node->InputAt(0); |
Node* rhs = node->InputAt(1); |
@@ -1321,27 +1322,29 @@ EffectControlLinearizer::LowerCheckedInt32Mul(Node* node, Node* frame_state, |
Node* value = graph()->NewNode(common()->Projection(0), projection, control); |
- Node* check_zero = graph()->NewNode(machine()->Word32Equal(), value, zero); |
- Node* branch_zero = graph()->NewNode(common()->Branch(BranchHint::kFalse), |
- check_zero, control); |
+ if (mode == CheckForMinusZeroMode::kCheckForMinusZero) { |
+ Node* check_zero = graph()->NewNode(machine()->Word32Equal(), value, zero); |
+ Node* branch_zero = graph()->NewNode(common()->Branch(BranchHint::kFalse), |
+ check_zero, control); |
- Node* if_zero = graph()->NewNode(common()->IfTrue(), branch_zero); |
- Node* e_if_zero = effect; |
- { |
- // We may need to return negative zero. |
- Node* or_inputs = graph()->NewNode(machine()->Word32Or(), lhs, rhs); |
- Node* check_or = |
- graph()->NewNode(machine()->Int32LessThan(), or_inputs, zero); |
- if_zero = e_if_zero = graph()->NewNode(common()->DeoptimizeIf(), check_or, |
- frame_state, e_if_zero, if_zero); |
- } |
+ Node* if_zero = graph()->NewNode(common()->IfTrue(), branch_zero); |
+ Node* e_if_zero = effect; |
+ { |
+ // We may need to return negative zero. |
+ Node* or_inputs = graph()->NewNode(machine()->Word32Or(), lhs, rhs); |
+ Node* check_or = |
+ graph()->NewNode(machine()->Int32LessThan(), or_inputs, zero); |
+ if_zero = e_if_zero = graph()->NewNode(common()->DeoptimizeIf(), check_or, |
+ frame_state, e_if_zero, if_zero); |
+ } |
- Node* if_not_zero = graph()->NewNode(common()->IfFalse(), branch_zero); |
- Node* e_if_not_zero = effect; |
+ Node* if_not_zero = graph()->NewNode(common()->IfFalse(), branch_zero); |
+ Node* e_if_not_zero = effect; |
- control = graph()->NewNode(common()->Merge(2), if_zero, if_not_zero); |
- effect = graph()->NewNode(common()->EffectPhi(2), e_if_zero, e_if_not_zero, |
- control); |
+ control = graph()->NewNode(common()->Merge(2), if_zero, if_not_zero); |
+ effect = graph()->NewNode(common()->EffectPhi(2), e_if_zero, e_if_not_zero, |
+ control); |
+ } |
return ValueEffectControl(value, effect, control); |
} |