Lines Matching refs:MFENCE
20634 // harmful as it introduces a mfence.
20656 // lowered to just a load without a fence. A mfence flushes the store buffer,
20670 // is probably a small win, and x86 processors without mfence are rare
20674 Function *MFence =
20676 Builder.CreateCall(MFence, {});
20700 return DAG.getNode(X86ISD::MFENCE, dl, MVT::Other, Op.getOperand(0));
22270 case X86ISD::MFENCE: return "X86ISD::MFENCE";
