Index: src/compiler/machine-operator.h |
diff --git a/src/compiler/machine-operator.h b/src/compiler/machine-operator.h |
index 34517aa330408a6074f55a8cae10e24eba28e3ce..97d1f700d7901d3e50cb7435eefe371bbe345f43 100644 |
--- a/src/compiler/machine-operator.h |
+++ b/src/compiler/machine-operator.h |
@@ -99,6 +99,8 @@ MachineRepresentation AtomicStoreRepresentationOf(Operator const* op); |
MachineType AtomicExchangeRepresentationOf(Operator const* op); |
+MachineType AtomicCompareExchangeRepresentationOf(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. |
@@ -610,6 +612,8 @@ class V8_EXPORT_PRIVATE MachineOperatorBuilder final |
const Operator* AtomicStore(MachineRepresentation rep); |
// atomic-exchange [base + index], value |
const Operator* AtomicExchange(MachineType rep); |
+ // atomic-compare-exchange [base + index], old_value, new_value |
+ const Operator* AtomicCompareExchange(MachineType rep); |
// Target machine word-size assumed by this builder. |
bool Is32() const { return word() == MachineRepresentation::kWord32; } |