src/compiler/representation-change.cc - Issue 2309193003: [turbofan] Avoid overflow checks on SpeculativeNumberAdd/Subtract/Multiply.

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Unified Diff: src/compiler/representation-change.cc

Issue 2309193003: [turbofan] Avoid overflow checks on SpeculativeNumberAdd/Subtract/Multiply. (Closed)

Patch Set: Created 4 years, 3 months ago

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Index: src/compiler/representation-change.cc

diff --git a/src/compiler/representation-change.cc b/src/compiler/representation-change.cc

index e45670c69f1bf7e5ef4140e2624c8634764e375f..e2a3097f7702b70b9b9ed28d874376098c437f09 100644

--- a/src/compiler/representation-change.cc

+++ b/src/compiler/representation-change.cc

@@ -746,8 +746,10 @@ const Operator* RepresentationChanger::Int32OverflowOperatorFor(

const Operator* RepresentationChanger::Uint32OperatorFor(

IrOpcode::Value opcode) {

switch (opcode) {

+ case IrOpcode::kSpeculativeNumberAdd:

case IrOpcode::kNumberAdd:

return machine()->Int32Add();

+ case IrOpcode::kSpeculativeNumberSubtract:

case IrOpcode::kNumberSubtract:

return machine()->Int32Sub();

case IrOpcode::kSpeculativeNumberMultiply:

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