Index: src/compiler/machine-operator.h |
diff --git a/src/compiler/machine-operator.h b/src/compiler/machine-operator.h |
index d2268795217d0ae3f2785f3c90698a02e5016557..23fef9e892e67577ff8e1de938612f90a99ce7ba 100644 |
--- a/src/compiler/machine-operator.h |
+++ b/src/compiler/machine-operator.h |
@@ -97,6 +97,8 @@ int StackSlotSizeOf(Operator const* op); |
MachineRepresentation AtomicStoreRepresentationOf(Operator const* op); |
+MachineType AtomicExchangeRepresentationOf(Operator const* op); |
+ |
// Interface for building machine-level operators. These operators are |
// machine-level but machine-independent and thus define a language suitable |
// for generating code to run on architectures such as ia32, x64, arm, etc. |
@@ -636,6 +638,8 @@ class V8_EXPORT_PRIVATE MachineOperatorBuilder final |
const Operator* AtomicLoad(LoadRepresentation rep); |
// atomic-store [base + index], value |
const Operator* AtomicStore(MachineRepresentation rep); |
+ // atomic-exchange [base + index], value |
+ const Operator* AtomicExchange(MachineType rep); |
// Target machine word-size assumed by this builder. |
bool Is32() const { return word() == MachineRepresentation::kWord32; } |