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 cd4eeedf10dcec10fc9bc0aa34dda01645ca73e5..1970cded70fdf3fb66d33208f6f4f77b973ed224 100644 |
--- a/src/compiler/x64/code-generator-x64.cc |
+++ b/src/compiler/x64/code-generator-x64.cc |
@@ -2134,24 +2134,6 @@ CodeGenerator::CodeGenResult CodeGenerator::AssembleArchInstruction( |
} |
break; |
} |
- case kX64Xchgb: { |
- size_t index = 0; |
- Operand operand = i.MemoryOperand(&index); |
- __ xchgb(i.InputRegister(index), operand); |
- break; |
- } |
- case kX64Xchgw: { |
- size_t index = 0; |
- Operand operand = i.MemoryOperand(&index); |
- __ xchgw(i.InputRegister(index), operand); |
- break; |
- } |
- case kX64Xchgl: { |
- size_t index = 0; |
- Operand operand = i.MemoryOperand(&index); |
- __ xchgl(i.InputRegister(index), operand); |
- break; |
- } |
case kX64Int32x4Create: { |
CpuFeatureScope sse_scope(masm(), SSE4_1); |
XMMRegister dst = i.OutputSimd128Register(); |
@@ -2229,6 +2211,36 @@ CodeGenerator::CodeGenResult CodeGenerator::AssembleArchInstruction( |
case kX64StackCheck: |
__ CompareRoot(rsp, Heap::kStackLimitRootIndex); |
break; |
+#define EXCHANGE_OPERANDS \ |
+ size_t index = 0; \ |
+ Register r = i.InputRegister(index++); \ |
+ Operand operand = i.MemoryOperand(&index); |
+ case kAtomicExchangeInt8: { |
+ EXCHANGE_OPERANDS |
+ __ xchgb(r, operand, true); |
binji
2017/01/17 21:45:50
just add the appropriate extension instruction her
aseemgarg
2017/01/21 08:40:37
Done.
|
+ break; |
+ } |
+ case kAtomicExchangeUint8: { |
+ EXCHANGE_OPERANDS |
+ __ xchgb(r, operand, false); |
+ break; |
+ } |
+ case kAtomicExchangeInt16: { |
+ EXCHANGE_OPERANDS |
+ __ xchgw(r, operand, true); |
+ break; |
+ } |
+ case kAtomicExchangeUint16: { |
+ EXCHANGE_OPERANDS |
+ __ xchgw(r, operand, false); |
+ break; |
+ } |
+ case kAtomicExchangeWord32: { |
+ EXCHANGE_OPERANDS |
+ __ xchgl(r, operand); |
+ break; |
+ } |
+#undef EXCHANGE_OPERANDS |
case kAtomicLoadInt8: |
case kAtomicLoadUint8: |
case kAtomicLoadInt16: |