Lines Matching refs:MFENCE
24180 // harmful as it introduces a mfence.
24202 // lowered to just a load without a fence. A mfence flushes the store buffer,
24216 // is probably a small win, and x86 processors without mfence are rare
24220 Function *MFence =
24222 Builder.CreateCall(MFence, {});
24246 return DAG.getNode(X86ISD::MFENCE, dl, MVT::Other, Op.getOperand(0));
26097 case X86ISD::MFENCE: return "X86ISD::MFENCE";