assembly - array indexing with MIPS -


i have bit of trouble array indexing in mips. lets have following c code:

void main() { . . int[2] a; # or other length . . a[1] = 7; # or other number . . }

lets know 'a' offset frame pointer example 12, that:

lw t0, -12($fp)

gives me base address of 'a'. lets array access index value (in case 1) stored in $t1. don't is. how can store 7 in a[1]? looking like:

mul $t1, $t1, -4      # since each integer takes 4 bytes addi $t1, $t1, -12    # t1 = exact offset $fp a[1] li $t2, 7             # t2 = 7 sw $t2, $t1($fp)

the problem last operation illegal (despite integer array indexing mips assembly). how can this? thank


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