Add some samples of Jasmin assembly

samples/Jasmin/if4.j

@@ -0,0 +1,37 @@
+.class public if4
+.super java/lang/Object
+;
+; standard initializer (calls java.lang.Object's initializer)
+;
+.method public <init>()V
+aload_0
+invokenonvirtual java/lang/Object/<init>()V
+return
+.end method
+
+.method public static main([Ljava/lang/String;)V
+
+.limit locals 1
+.limit stack 5
+BeginGlobal:
+	.line 2
+		ldc		0x1
+		ldc		0x1
+		if_icmpne		IfNot1919266740
+	.line 2
+		.line 2
+			ldc		0x1
+			ldc		0x1
+			if_icmpne		IfNot613368541
+		.line 2
+			.line 2
+				getstatic		java/lang/System/out Ljava/io/PrintStream;
+			ldc		0x1
+				invokevirtual		java/io/PrintStream/print(I)V
+		IfNot613368541:
+	IfNot1919266740:
+
+EndGlobal:
+return
+.end method
+