Index: src/compiler/ia32/code-generator-ia32.cc |
diff --git a/src/compiler/ia32/code-generator-ia32.cc b/src/compiler/ia32/code-generator-ia32.cc |
index 0f6d1c3a4a8ff7db2ed2a07436e3a96e542bbe16..0266dff9601e89c59742956d330e3984ef0f1452 100644 |
--- a/src/compiler/ia32/code-generator-ia32.cc |
+++ b/src/compiler/ia32/code-generator-ia32.cc |
@@ -1958,6 +1958,30 @@ CodeGenerator::CodeGenResult CodeGenerator::AssembleArchInstruction( |
__ xchg(i.InputRegister(0), i.MemoryOperand(1)); |
break; |
} |
+ case kAtomicCompareExchangeInt8: { |
+ __ cmpxchg_b(i.MemoryOperand(2), i.InputRegister(1)); |
+ __ movsx_b(eax, eax); |
+ break; |
+ } |
+ case kAtomicCompareExchangeUint8: { |
+ __ cmpxchg_b(i.MemoryOperand(2), i.InputRegister(1)); |
+ __ movzx_b(eax, eax); |
+ break; |
+ } |
+ case kAtomicCompareExchangeInt16: { |
+ __ cmpxchg_w(i.MemoryOperand(2), i.InputRegister(1)); |
+ __ movsx_w(eax, eax); |
+ break; |
+ } |
+ case kAtomicCompareExchangeUint16: { |
+ __ cmpxchg_w(i.MemoryOperand(2), i.InputRegister(1)); |
+ __ movzx_w(eax, eax); |
+ break; |
+ } |
+ case kAtomicCompareExchangeWord32: { |
+ __ cmpxchg(i.MemoryOperand(2), i.InputRegister(1)); |
+ break; |
+ } |
case kAtomicLoadInt8: |
case kAtomicLoadUint8: |
case kAtomicLoadInt16: |