# Check -madd-bnd-prefix option .text call foo call *(%rax) je foo jmp foo jmp *(%rbx) ret foo: # Use of REP/REPE prefix - converted to BND with warning rep ret repe ret # Use of REPNE prefix - we shouldn't get any error repne ret # BND prefix already exists - we shouldn't get any error here bnd ret bnd call foo # Following instructions can't have BND prefix even if # -madd-bnd-prefix is specified add %rax, %rbx loop foo