Convert C++ to MIPS assembly
This code is about to find maximum element from an array i want to convert this code into MIPS assembly code can anyone help me...Or just tell me how 开发者_运维问答to initialize an array in MIPS.
void max_array()
{
int a[10]={2,3,421,4,32,4,3,1,4,5},max;
for(int i=0;i<9;i++)
{
cout<<a[i];
}
max=a[0];
for(int j=1;j<9;j++)
{
if (max<a[j])
{
max=a[j];
}
}
return max;
}
Here's an example
.data
array1: .space 12 # declare 12 bytes of storage to hold array of 3 integers
.text
__start: la $t0, array1 # load base address of array into register $t0
li $t1, 5 # $t1 = 5 ("load immediate")
sw $t1, ($t0) # first array element set to 5; indirect addressing
li $t1, 13 # $t1 = 13
sw $t1, 4($t0) # second array element set to 13
li $t1, -7 # $t1 = -7
sw $t1, 8($t0) # third array element set to -7
done
.data # variable decleration follow this line
array1: .word 2, 3, 421, 4, 32, 4, 3, 1, 4, 5 #10 element array is declared
max: .word 2
la $t0, array1 #load base address of array1
main: #indicated the start of the code
#to access an array element ($t0), 4($t0), 8($t0)..........
convert to mips
addi $t1, $0, 99
addi $t4, $0, 9
add $t3, $t2, $t1
sub $t3, $t3, $t4
loop: lw $s1, 0($t2)
lw $s2, 0($t3)
slt $s3, $s1, $s2
beq $s3, $0, label1
sub $s4, $s2, $s1
sw $s4,0($t3)
j label2
label1:
sub $s4, $s1, $s2
sw $s4,0($t3)
label2:
addi $t2, $t2, 4
addi $t3, $t3, 4
subi $t1, $t1,1
beq $t1, $0, loop
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