RFR(M): 8137168: Replace IfNode with a new RangeCheckNode for range checks

John Rose john.r.rose at oracle.com
Wed Sep 30 00:42:56 UTC 2015


On Sep 29, 2015, at 4:01 PM, Christian Thalinger <christian.thalinger at oracle.com> wrote:
> 
> 
>> On Sep 25, 2015, at 5:04 AM, Roland Westrelin <roland.westrelin at oracle.com <mailto:roland.westrelin at oracle.com>> wrote:
>> 
>> The idea of using a node specifically for range checks is from John.
> 
> There should be a range-check bytecode :-)

Or, there should be ~25 bytecodes and bunch of intrinsic methods.  ;-)

http://cr.openjdk.java.net/~jrose/pres/201508-JVMComplexity.pdf
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.openjdk.java.net/pipermail/hotspot-compiler-dev/attachments/20150929/f9cfc577/attachment.html>


More information about the hotspot-compiler-dev mailing list