--- a/progs/fib.j Mon Nov 12 11:33:51 2018 +0000
+++ b/progs/fib.j Tue Nov 13 08:16:48 2018 +0000
@@ -3,104 +3,92 @@
.super java/lang/Object
.method public <init>()V
- aload_0
- invokenonvirtual java/lang/Object/<init>()V
- return
+ aload_0
+ invokenonvirtual java/lang/Object/<init>()V
+ return
.end method
-.method public static print(Ljava/lang/String;)V
- .limit locals 5
- .limit stack 5
- aload 0
- getstatic java/lang/System/out Ljava/io/PrintStream;
- swap
- invokevirtual java/io/PrintStream/print(Ljava/lang/String;)V
- return
+.method public static write(I)V
+ .limit locals 1
+ .limit stack 2
+ getstatic java/lang/System/out Ljava/io/PrintStream;
+ iload 0
+ invokevirtual java/io/PrintStream/println(I)V
+ return
.end method
-.method public static write(I)V
- .limit locals 1
- .limit stack 2
- getstatic java/lang/System/out Ljava/io/PrintStream;
- iload 0
- invokevirtual java/io/PrintStream/println(I)V
- return
-.end method
-
-.method public static read()I
- .limit locals 10
+.method public static read()I
+ .limit locals 10
.limit stack 10
- ldc 0
- istore 1 ; this will hold our final integer
-Label1:
- getstatic java/lang/System/in Ljava/io/InputStream;
- invokevirtual java/io/InputStream/read()I
- istore 2
- iload 2
- ldc 10 ; the newline delimiter
- isub
- ifeq Label2
- iload 2
- ldc 32 ; the space delimiter
- isub
+ ldc 0
+ istore 1 ; this will hold our final integer
+Label1:
+ getstatic java/lang/System/in Ljava/io/InputStream;
+ invokevirtual java/io/InputStream/read()I
+ istore 2
+ iload 2
+ ldc 10 ; the newline delimiter
+ isub
+ ifeq Label2
+ iload 2
+ ldc 32 ; the space delimiter
+ isub
ifeq Label2
- iload 2
- ldc 48 ; we have our digit in ASCII, have to subtract it from 48
- isub
- ldc 10
- iload 1
- imul
- iadd
- istore 1
- goto Label1
-Label2:
- ;when we come here we have our integer computed in local variable 1
- iload 1
- ireturn
+ iload 2
+ ldc 48 ; we have our digit in ASCII, have to subtract it from 48
+ isub
+ ldc 10
+ iload 1
+ imul
+ iadd
+ istore 1
+ goto Label1
+Label2:
+ ;when we come here we have our integer computed in local variable 1
+ iload 1
+ ireturn
.end method
.method public static main([Ljava/lang/String;)V
- .limit locals 200
- .limit stack 200
+ .limit locals 200
+ .limit stack 200
- ldc "Fib"
- invokestatic fib/fib/print(Ljava/lang/String;)V
- invokestatic fib/fib/read()I
- istore 0
- ldc 0
- istore 1
- ldc 1
- istore 2
+invokestatic fib/fib/read()I
+istore 0
+ldc 0
+istore 1
+ldc 1
+istore 2
+ldc 0
+istore 3
-Loop_start_1:
-
- iload 0
- ldc 0
- if_icmple Loop_end_0
+Loop_begin_2:
- iload 2
- istore 3
- iload 1
- iload 2
- iadd
- istore 2
- iload 3
- istore 1
- iload 0
- ldc 1
- isub
- istore 0
+ldc 0
+iload 0
+if_icmpge Loop_end_3
+iload 2
+istore 3
+iload 1
+iload 2
+iadd
+istore 2
+iload 3
+istore 1
+iload 0
+ldc 1
+isub
+istore 0
+goto Loop_begin_2
- goto Loop_start_1
+Loop_end_3:
-Loop_end_0:
+iload 1
+invokestatic fib/fib/write(I)V
- ldc "Result"
- invokestatic fib/fib/print(Ljava/lang/String;)V
- iload 2
- invokestatic fib/fib/write(I)V
- return
+ return
+
.end method