.class code optimization

Andrew Haley aph@redhat.com
Fri Oct 11 11:02:00 GMT 2002


Tom Tromey writes:
 > >>>>> "Adam" == Adam Megacz <gcj@lists.megacz.com> writes:
 > 
 > Andrew> Because, as far as we are concerned, there's no point.
 > 
 > Adam> Inlining methods within and across .class files makes a huge,
 > Adam> huge, huge difference if you're deploying to the Microsoft JVM.
 > 
 > It is probably easier to write a new tool that optimizes the .class
 > files directly than it would be to teach gcj how to do optimizations
 > before generating .class files. This might even be true once the new
 > tree optimization code is complete; it is possible that SIMPLE won't
 > retain enough information, or will do too many transformations, for us
 > to generate bytecode after lowering.
It's certain IMO. SIMPLE is far too low-level to generate bytecode.
Andrew.


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