diff options
Diffstat (limited to 'lib.s')
| -rw-r--r-- | lib.s | 160 |
1 files changed, 160 insertions, 0 deletions
@@ -0,0 +1,160 @@ +_func_printf: + addiu $sp, $sp, -64 + sw $31, 60($sp) #printf +# load pos_0 +# load arg_0 +# load ch_0 + lb $8, 12($sp) #ch +# load fmt_0 + lw $9, 64($sp) #fmt +# load x_0 + lw $10, 4($sp) #x +# load len_0 + lw $11, 8($sp) #len +# arg_1 = addr pos_0 + addiu $12, $sp, 68 +# goto __L2 + j __L2 +__L1: +# t2 = ch_2 == 37 +# seq $13, $8, 37 +# if not (t2) goto __L20 + bne $8, 37, __L20 +# fmt_4 = fmt_1 + 1 + addiu $9, $9, 1 +# ch_4 = fmt_4[0] + lb $8, 0($9) +# t4 = ch_4 == 100 +# seq $13, $8, 100 +# if not (t4) goto __L6 + bne $8, 100, __L6 +# t6 = arg_2[0] + lw $a0, 0($12) + li $2, 1 + syscall +# goto __L19 + j __L19 +__L6: +# t7 = ch_4 == 99 +# seq $13, $8, 99 +# if not (t7) goto __L8 + bne $8, 99, __L8 +# t9 = arg_2[0] + lw $a0, 0($12) + li $2, 11 + syscall +# goto __L19 + j __L19 +__L8: +# t10 = ch_4 == 115 +# seq $13, $8, 115 +# if not (t10) goto __L10 + bne $8, 115 __L10 +# t12 = arg_2[0] + lw $a0, 0($12) + li $2, 4 + syscall +# goto __L19 + j __L19 +__L10: +# x_4 = arg_2[0] + lw $10, 0($12) +# t14 = x_4 == 0 +# seq $11, $10, 0 +# if not (t14) goto __L12 + bne $10, 0, __L12 +# len_11 = 1 + li $11, 1 +# goto __L15 + j __L15 +__L12: +# len_8 = 0 + li $11, 0 +# goto __L14 + j __L14 +__L13: +# x_7 = x_6 / 10 + divu $10, $10, 10 +# len_10 = len_9 + 1 + addiu $11, $11, 1 +__L14: +# if (x_6) goto __L13 + bnez $10, __L13 +__L15: +# len_5 = 4 - len_4 + li $2, 4 + subu $11, $2, $11 +# goto __L17 + j __L17 +__L16: +# push 48 + li $a0 48 + li $2, 11 + syscall +# len_7 = len_6 - 1 + subu $11, $11, 1 +__L17: +# if (len_6) goto __L16 + bnez $11, __L16 +# t18 = arg_2[0] + lw $a0, 0($12) + li $2, 1 + syscall +# fmt_6 = fmt_4 + 2 + addiu $9, $9, 2 +__L19: +# arg_4 = arg_2 + 4 + addiu $12, $12, 4 +# goto __L21 + j __L21 +__L20: +# push ch_2 + move $a0, $8 + li $2, 11 + syscall +__L21: +# fmt_3 = fmt_2 + 1 + addiu $9, $9, 1 +__L2: +# ch_2 = fmt_1[0] + lb $8, 0($9) +# if (ch_2) goto __L1 + bnez $8, __L1 +_ret_printf: + lw $31, 60($sp) + addiu $sp, $sp, 64 + jr $31 +_func___print_int: + lw $a0, 0($sp) + li $2, 1 + syscall + jr $31 +_func___print_char: + lb $a0, 0($sp) + li $2, 11 + syscall + jr $31 +_func___print_string: + lw $a0, 0($sp) + li $2, 4 + syscall + jr $31 +_func_malloc: + lw $a0, 0($sp) + li $2, 9 + syscall + jr $31 +_func_memcpy: # the copied mem must be 4-aligned + lw $4, 0($sp) # dest addr + lw $5, 4($sp) # src addr + lw $6, 8($sp) # size + j __COND +__LOOP: + lw $2, 0($5) + sw $2, 0($4) + addiu $4, $4, 4 + addiu $5, $5, 4 + addiu $6, $6, -4 +__COND: + bnez $6, __LOOP + jr $31 |