• LFENCE;XOR RAX,RBX;MULPS XMM0,XMM1 on Comet Lake
• LFENCE;ADD RAX,RBX;PADDD MM0,MM1 on Ivy Bridge
• LFENCE;CMP RAX,RBX;PADDB MM0,MM1 on Ivy Bridge
• LFENCE;CMP RAX,RBX;PADDQ MM0,MM1 on Ivy Bridge
• LFENCE;DEC RAX;PADDD MM0,MM1 on Ivy Bridge