void
CodeGeneratorX64::visitAsmJSCompareExchangeHeap(LAsmJSCompareExchangeHeap* ins)
{
MAsmJSCompareExchangeHeap* mir = ins->mir();
MOZ_ASSERT(mir->access().offset() == 0);
Register ptr = ToRegister(ins->ptr());
Register oldval = ToRegister(ins->oldValue());
Register newval = ToRegister(ins->newValue());
MOZ_ASSERT(ins->addrTemp()->isBogusTemp());
Scalar::Type accessType = mir->access().type();
BaseIndex srcAddr(HeapReg, ptr, TimesOne);
masm.compareExchangeToTypedIntArray(accessType == Scalar::Uint32 ? Scalar::Int32 : accessType,
srcAddr,
oldval,
newval,
InvalidReg,
ToAnyRegister(ins->output()));
}
void
CodeGeneratorX86::visitAsmJSCompareExchangeHeap(LAsmJSCompareExchangeHeap* ins)
{
MAsmJSCompareExchangeHeap* mir = ins->mir();
MOZ_ASSERT(mir->access().offset() == 0);
Scalar::Type accessType = mir->access().type();
Register ptrReg = ToRegister(ins->ptr());
Register oldval = ToRegister(ins->oldValue());
Register newval = ToRegister(ins->newValue());
Register addrTemp = ToRegister(ins->addrTemp());
Register memoryBase = ToRegister(ins->memoryBase());
asmJSAtomicComputeAddress(addrTemp, ptrReg, memoryBase);
Address memAddr(addrTemp, 0);
masm.compareExchangeToTypedIntArray(accessType == Scalar::Uint32 ? Scalar::Int32 : accessType,
memAddr,
oldval,
newval,
InvalidReg,
ToAnyRegister(ins->output()));
}
