Index: src/compiler/x64/code-generator-x64.cc |
diff --git a/src/compiler/x64/code-generator-x64.cc b/src/compiler/x64/code-generator-x64.cc |
index 33e219e7ed6a519bdd060c18998315df9e16c941..0dd957988c8d56ef898f1c5a9f3484246b9540b6 100644 |
--- a/src/compiler/x64/code-generator-x64.cc |
+++ b/src/compiler/x64/code-generator-x64.cc |
@@ -2239,6 +2239,11 @@ CodeGenerator::CodeGenResult CodeGenerator::AssembleArchInstruction( |
case kAtomicStoreWord8: |
case kAtomicStoreWord16: |
case kAtomicStoreWord32: |
+ case kAtomicExchangeInt8: |
+ case kAtomicExchangeUint8: |
+ case kAtomicExchangeInt16: |
+ case kAtomicExchangeUint16: |
+ case kAtomicExchangeWord32: |
UNREACHABLE(); // Won't be generated by instruction selector. |
break; |
} |