test:
    leaq data,%rsi
    movq $0,%rax
    movq $0,%rbp
    leaq (%rsi, %rax, 8),%r11
    movq (%r11),%rdx
    addq $1,%rax
    addq %rdx,%rbp
    leaq (%rsi, %rax, 8), %r11
    movq (%r11), %rdx
    addq $1, %rax
    addq %rdx,%rbp
    stop

.align 8
data:
    .quad 42
    .quad 21