reg alloc almost done, can pass most of data

1 files changed, 60 insertions, 104 deletions

diff --git a/lib.s b/lib.s
index 6e219b0..8a42898 100644
--- a/lib.s
+++ b/lib.s
@@ -1,143 +1,113 @@
 _func_printf:
-	addiu $sp, $sp, -88
-	sw $31, 84($sp) #printf
+	addiu $sp, $sp, -64
+	sw $31, 60($sp) #printf
 # load fmt_0
+	lw $8, 64($sp)	#fmt
 # load arg_0
-# load len_0
 # load ch_0
+	lb $9, 12($sp)	#ch
 # load x_0
+	lw $10, 4($sp)	#x
+# load len_0
+	lw $11, 8($sp)	#len
 # t0 = addr fmt_0
-	addiu $2, $sp, 88
-	sw $2, 80($sp)	#t0
+	addiu $12, $sp, 64
 # arg_1 = t0 + 4
-	lw $2, 80($sp)	#t0
-	addiu $2, $2, 4
-	sw $2, 16($sp)	#arg
+	addiu $12, $12, 4
+	sw $12, 16($sp)	#arg
 # goto __L2
 	j __L2
 __L1:
 # t3 = ch_2 == 37
-	lb $2, 12($sp)	#ch
 	li $3, 37
-	seq $2, $2, $3
-	sw $2, 76($sp)	#t3
+	seq $13, $9, $3
 # if not (t3) goto __L20
-	lw $2, 76($sp)	#t3
-	beqz $2, __L20
+	beqz $13, __L20
 # fmt_4 = fmt_1 + 1
-	lw $2, 88($sp)	#fmt
-	addiu $2, $2, 1
-	sw $2, 88($sp)	#fmt
+	addiu $8, $8, 1
+	sw $8, 64($sp)	#fmt
 # ch_4 = fmt_4[0]
-	lw $2, 88($sp)	#fmt
-	lb $3, 0($2)
-	sb $3, 12($sp)	#ch
+	lb $9, 0($8)
+	sb $9, 12($sp)	#ch
 # t5 = ch_4 == 100
-	lb $2, 12($sp)	#ch
 	li $3, 100
-	seq $2, $2, $3
-	sw $2, 72($sp)	#t5
+	seq $13, $9, $3
 # if not (t5) goto __L6
-	lw $2, 72($sp)	#t5
-	beqz $2, __L6
+	beqz $13, __L6
 # t7 = arg_2[0]
-	lw $2, 16($sp)	#arg
-	lw $3, 0($2)
-	sw $3, 68($sp)	#t7
+	lw $13, 0($12)
 # push t7
-	lw $2, 68($sp)	#t7
-	sw $2, 0($sp) # push
+	sw $13, 0($sp) # push
 # t6 = call __print_int
 	jal _func___print_int
-	sw $2, 64($sp)	#t6
 # goto __L19
 	j __L19
 __L6:
 # t8 = ch_4 == 99
-	lb $2, 12($sp)	#ch
 	li $3, 99
-	seq $2, $2, $3
-	sw $2, 60($sp)	#t8
+	seq $13, $9, $3
 # if not (t8) goto __L8
-	lw $2, 60($sp)	#t8
-	beqz $2, __L8
+	beqz $13, __L8
 # t10 = arg_2[0]
-	lw $2, 16($sp)	#arg
-	lw $3, 0($2)
-	sb $3, 56($sp)	#t10
+	lw $13, 0($12)
 # push t10
-	lb $2, 56($sp)	#t10
-	sw $2, 0($sp) # push
+	sw $13, 0($sp) # push
 # t9 = call __print_char
 	jal _func___print_char
-	sw $2, 52($sp)	#t9
 # goto __L19
 	j __L19
 __L8:
 # t11 = ch_4 == 115
-	lb $2, 12($sp)	#ch
 	li $3, 115
-	seq $2, $2, $3
-	sw $2, 48($sp)	#t11
+	seq $13, $9, $3
 # if not (t11) goto __L10
-	lw $2, 48($sp)	#t11
-	beqz $2, __L10
+	beqz $13, __L10
 # t13 = arg_2[0]
-	lw $2, 16($sp)	#arg
-	lw $3, 0($2)
-	sw $3, 44($sp)	#t13
+	lw $13, 0($12)
 # push t13
-	lw $2, 44($sp)	#t13
-	sw $2, 0($sp) # push
+	sw $13, 0($sp) # push
 # t12 = call __print_string
 	jal _func___print_string
-	sw $2, 40($sp)	#t12
 # goto __L19
 	j __L19
 __L10:
 # x_4 = arg_2[0]
-	lw $2, 16($sp)	#arg
-	lw $3, 0($2)
-	sw $3, 4($sp)	#x
+	lw $10, 0($12)
+	sw $10, 4($sp)	#x
 # t15 = x_4 == 0
-	lw $2, 4($sp)	#x
 	li $3, 0
-	seq $2, $2, $3
-	sw $2, 36($sp)	#t15
+	seq $11, $10, $3
 # if not (t15) goto __L12
-	lw $2, 36($sp)	#t15
-	beqz $2, __L12
+	beqz $11, __L12
 # len_11 = 1
 	li $2, 1
-	sw $2, 8($sp)	#len
+	move $11 $2
+	sw $11, 8($sp)	#len
 # goto __L15
 	j __L15
 __L12:
 # len_8 = 0
 	li $2, 0
-	sw $2, 8($sp)	#len
+	move $11 $2
+	sw $11, 8($sp)	#len
 # goto __L14
 	j __L14
 __L13:
 # x_7 = x_6 / 10
-	lw $2, 4($sp)	#x
 	li $3, 10
-	divu $2, $2, $3
-	sw $2, 4($sp)	#x
+	divu $10, $10, $3
+	sw $10, 4($sp)	#x
 # len_10 = len_9 + 1
-	lw $2, 8($sp)	#len
-	addiu $2, $2, 1
-	sw $2, 8($sp)	#len
+	addiu $11, $11, 1
+	sw $11, 8($sp)	#len
 __L14:
 # if (x_6) goto __L13
-	lw $2, 4($sp)	#x
-	bnez $2, __L13
+	bnez $10, __L13
 __L15:
 # len_5 = 4 - len_4
 	li $2, 4
-	lw $3, 8($sp)	#len
-	subu $2, $2, $3
-	sw $2, 8($sp)	#len
+	subu $11, $2, $11
+	sw $11, 8($sp)	#len
 # goto __L17
 	j __L17
 __L16:
@@ -146,60 +116,46 @@ __L16:
 	sw $2, 0($sp) # push
 # t17 = call __print_char
 	jal _func___print_char
-	sw $2, 32($sp)	#t17
 # len_7 = len_6 - 1
-	lw $2, 8($sp)	#len
 	li $3, 1
-	subu $2, $2, $3
-	sw $2, 8($sp)	#len
+	subu $11, $11, $3
+	sw $11, 8($sp)	#len
 __L17:
 # if (len_6) goto __L16
-	lw $2, 8($sp)	#len
-	bnez $2, __L16
+	bnez $11, __L16
 # t19 = arg_2[0]
-	lw $2, 16($sp)	#arg
-	lw $3, 0($2)
-	sw $3, 28($sp)	#t19
+	lw $13, 0($12)
 # push t19
-	lw $2, 28($sp)	#t19
-	sw $2, 0($sp) # push
+	sw $13, 0($sp) # push
 # t18 = call __print_int
 	jal _func___print_int
-	sw $2, 24($sp)	#t18
 # fmt_6 = fmt_4 + 2
-	lw $2, 88($sp)	#fmt
-	addiu $2, $2, 2
-	sw $2, 88($sp)	#fmt
+	addiu $8, $8, 2
+	sw $8, 64($sp)	#fmt
 __L19:
 # arg_4 = arg_2 + 4
-	lw $2, 16($sp)	#arg
-	addiu $2, $2, 4
-	sw $2, 16($sp)	#arg
+	addiu $12, $12, 4
+	sw $12, 16($sp)	#arg
 # goto __L21
 	j __L21
 __L20:
 # push ch_2
-	lb $2, 12($sp)	#ch
-	sw $2, 0($sp) # push
+	sw $9, 0($sp) # push
 # t20 = call __print_char
 	jal _func___print_char
-	sw $2, 20($sp)	#t20
 __L21:
 # fmt_3 = fmt_2 + 1
-	lw $2, 88($sp)	#fmt
-	addiu $2, $2, 1
-	sw $2, 88($sp)	#fmt
+	addiu $8, $8, 1
+	sw $8, 64($sp)	#fmt
 __L2:
 # ch_2 = fmt_1[0]
-	lw $2, 88($sp)	#fmt
-	lb $3, 0($2)
-	sb $3, 12($sp)	#ch
+	lb $9, 0($8)
+	sb $9, 12($sp)	#ch
 # if (ch_2) goto __L1
-	lb $2, 12($sp)	#ch
-	bnez $2, __L1
+	bnez $9, __L1
 _ret_printf:
-	lw $31, 84($sp)
-	addiu $sp, $sp, 88
+	lw $31, 60($sp)
+	addiu $sp, $sp, 64
 	jr $31
 _func___print_int:
     lw $a0, 0($sp)