我们假设我们有一个包含10个数字的数组,我们希望将这些数字加到这样的变量中:
int arr[10]= {1, 15, 0, -3, 99, 48, -17, -9, 20, 15};
sum = 0;
for(i=0; i<10; i++)
sum = sum + arr[i];
当我尝试&#34;组装mips&#34;这个,一条特定的线路出现了:
.data
arr: .word 1, 12, 0, -3, 99, 48, -17, -9, 20, 15
.text
.globl main
main:
add $t0, $zero, $zero #counter i
add $t1, $zero, $zero #sum
la $t2, arr #loading the address of the array to a register
loop:
slti $t3, $t0, 10 #i<10
beq $t3, $zero, EXIT
add $t1, $t1, $t2($t0) #wrong wrong very wrong
addi $t0, $t0, 1 #i++
j loop
EXIT:
li $v0, 10
syscall
我在理解如何表达&#34; arr [i]&#34;指向大会。
它的正确表达方式是什么?
我是否必须为数组的每个数字采用另一个注册表?
答案 0 :(得分:0)
感谢上面的Jester,正确的代码如下:
If the app crashes using a real device this is printed:
warning: could not load any Objective-C class information from the dyld shared cache. This will significantly reduce the quality of type information available.