From 5aba86743d63a9d7000ce4e410ff7c61bcb0547f Mon Sep 17 00:00:00 2001 From: Teddy Date: Sun, 4 May 2014 11:41:39 +0800 Subject: argument opt has been postponed --- lib.s | 89 ++++++++++++++++++++++++++++++++++++------------------------------- 1 file changed, 48 insertions(+), 41 deletions(-) (limited to 'lib.s') diff --git a/lib.s b/lib.s index 5ba5563..f97ebc9 100644 --- a/lib.s +++ b/lib.s @@ -2,39 +2,41 @@ _func_printf: addiu $sp, $sp, -64 sw $31, 60($sp) #printf # load fmt_0 - lw $8, 64($sp) #fmt # load arg_0 # load ch_0 - lb $9, 12($sp) #ch + lb $8, 12($sp) #ch # load x_0 - lw $10, 4($sp) #x + lw $9, 4($sp) #x # load len_0 - lw $11, 8($sp) #len + lw $10, 8($sp) #len # t0 = addr fmt_0 - addiu $12, $sp, 64 + addiu $11, $sp, 64 # arg_1 = t0 + 4 - addiu $12, $12, 4 + addiu $11, $11, 4 # goto __L2 j __L2 __L1: # t3 = ch_2 == 37 li $3, 37 - seq $13, $9, $3 + seq $12, $8, $3 # if not (t3) goto __L20 - beqz $13, __L20 + beqz $12, __L20 # fmt_4 = fmt_1 + 1 - addiu $8, $8, 1 + lw $2, 64($sp) #fmt + addiu $2, $2, 1 + sw $2, 64($sp) #fmt # ch_4 = fmt_4[0] - lb $9, 0($8) + lw $2, 64($sp) #fmt + lb $8, 0($2) # t5 = ch_4 == 100 li $3, 100 - seq $13, $9, $3 + seq $12, $8, $3 # if not (t5) goto __L6 - beqz $13, __L6 + beqz $12, __L6 # t7 = arg_2[0] - lw $13, 0($12) + lw $12, 0($11) # push t7 - sw $13, 0($sp) # push + sw $12, 0($sp) # push # t6 = call __print_int jal _func___print_int # goto __L19 @@ -42,13 +44,13 @@ __L1: __L6: # t8 = ch_4 == 99 li $3, 99 - seq $13, $9, $3 + seq $12, $8, $3 # if not (t8) goto __L8 - beqz $13, __L8 + beqz $12, __L8 # t10 = arg_2[0] - lw $13, 0($12) + lw $12, 0($11) # push t10 - sw $13, 0($sp) # push + sw $12, 0($sp) # push # t9 = call __print_char jal _func___print_char # goto __L19 @@ -56,49 +58,49 @@ __L6: __L8: # t11 = ch_4 == 115 li $3, 115 - seq $13, $9, $3 + seq $12, $8, $3 # if not (t11) goto __L10 - beqz $13, __L10 + beqz $12, __L10 # t13 = arg_2[0] - lw $13, 0($12) + lw $12, 0($11) # push t13 - sw $13, 0($sp) # push + sw $12, 0($sp) # push # t12 = call __print_string jal _func___print_string # goto __L19 j __L19 __L10: # x_4 = arg_2[0] - lw $10, 0($12) + lw $9, 0($11) # t15 = x_4 == 0 li $3, 0 - seq $11, $10, $3 + seq $10, $9, $3 # if not (t15) goto __L12 - beqz $11, __L12 + beqz $10, __L12 # len_11 = 1 li $2, 1 - move $11 $2 + move $10 $2 # goto __L15 j __L15 __L12: # len_8 = 0 li $2, 0 - move $11 $2 + move $10 $2 # goto __L14 j __L14 __L13: # x_7 = x_6 / 10 li $3, 10 - divu $10, $10, $3 + divu $9, $9, $3 # len_10 = len_9 + 1 - addiu $11, $11, 1 + addiu $10, $10, 1 __L14: # if (x_6) goto __L13 - bnez $10, __L13 + bnez $9, __L13 __L15: # len_5 = 4 - len_4 li $2, 4 - subu $11, $2, $11 + subu $10, $2, $10 # goto __L17 j __L17 __L16: @@ -109,36 +111,41 @@ __L16: jal _func___print_char # len_7 = len_6 - 1 li $3, 1 - subu $11, $11, $3 + subu $10, $10, $3 __L17: # if (len_6) goto __L16 - bnez $11, __L16 + bnez $10, __L16 # t19 = arg_2[0] - lw $13, 0($12) + lw $12, 0($11) # push t19 - sw $13, 0($sp) # push + sw $12, 0($sp) # push # t18 = call __print_int jal _func___print_int # fmt_6 = fmt_4 + 2 - addiu $8, $8, 2 + lw $2, 64($sp) #fmt + addiu $2, $2, 2 + sw $2, 64($sp) #fmt __L19: # arg_4 = arg_2 + 4 - addiu $12, $12, 4 + addiu $11, $11, 4 # goto __L21 j __L21 __L20: # push ch_2 - sw $9, 0($sp) # push + sw $8, 0($sp) # push # t20 = call __print_char jal _func___print_char __L21: # fmt_3 = fmt_2 + 1 - addiu $8, $8, 1 + lw $2, 64($sp) #fmt + addiu $2, $2, 1 + sw $2, 64($sp) #fmt __L2: # ch_2 = fmt_1[0] - lb $9, 0($8) + lw $2, 64($sp) #fmt + lb $8, 0($2) # if (ch_2) goto __L1 - bnez $9, __L1 + bnez $8, __L1 _ret_printf: lw $31, 60($sp) addiu $sp, $sp, 64 -- cgit v1.2.3