Branch Misprediction Example demo-3y 0x000: xox1号eax,8eax 0x002: 刀】 ne七 i Not taken 0x007: irm。v1$1,8eax Fall through 0x00d: nop 0x00e: nop 0x00f: nop 0x010: ha七 0x011: t: irmovI $3, edx Target (Should not execute 0x017: 工mov14,岩ecx i Should not execute 0x01a: irmovl $5, edx i Should not execute a Should only execute first 7 instructions Processor– 4 – Processor Branch Misprediction Example ◼ Should only execute first 7 instructions 0x000: xorl %eax,%eax 0x002: jne t # Not taken 0x007: irmovl $1, %eax # Fall through 0x00d: nop 0x00e: nop 0x00f: nop 0x010: halt 0x011: t: irmovl $3, %edx # Target (Should not execute) 0x017: irmovl $4, %ecx # Should not execute 0x01d: irmovl $5, %edx # Should not execute demo-j.ys