Re: [Jamvm-general] Can JamVM optimize away static branches?

[Xerxes R. <xe...@za...>]

2012-02-23 15:21, David Griffiths skrev:
> The javac compiler optimizes them away before JamVM even gets a look in:
> 
> $ cat foo.java
> public class foo {
>     static final boolean DEBUG=false;
> 
>     public static void main(String[] args) {
>         if (DEBUG) {
>             System.out.println("hello");
>         }
>     }
> }
> 
> $ javap -c foo
> Compiled from "foo.java"
> public class foo extends java.lang.Object{
> static final boolean DEBUG;
> 
> public foo();
>   Code:
>    0:   aload_0
>    1:   invokespecial   #1; //Method java/lang/Object."<init>":()V
>    4:   return
> 
> public static void main(java.lang.String[]);
>   Code:
>    0:   return
> 
> }
> 
> Cheers,
> 
> Dave

Ok! Thanks Dave for checking!

Cheers,
Xerxes

> 
> 
> On 23 February 2012 12:59, Xerxes Rånby <xe...@za... <mailto:xe...@za...>> wrote:
> 
>     Hi
> 
>     Inside the JogAmp JOGL bindings a lot of code look like this:
> 
>     static final boolean DEBUG=false;
>     if(DEBUG) { verbose stuff .. }
> 
>     Do JamVM optimize away these static branches?
> 
>     Cheers
>     Xerxes
> 
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