Re: Need reviewer: JDK 8 CR for Support Integer overflow

2012-02-06 Thread Tom Rodriguez
-February/009128.html [2]: http://cr.openjdk.java.net/~rriggs/CR6708398/webrev/ On Sat, Feb 4, 2012 at 1:47 AM, Tom Rodriguez tom.rodrig...@oracle.com wrote: On Feb 3, 2012, at 12:38 AM, Krystal Mok wrote: Hi Florian, On Fri, Feb 3, 2012 at 4:11 PM, Florian Weimer fwei...@bfk.de

Re: Need reviewer: JDK 8 CR for Support Integer overflow

2012-02-03 Thread Tom Rodriguez
On Feb 3, 2012, at 12:38 AM, Krystal Mok wrote: Hi Florian, On Fri, Feb 3, 2012 at 4:11 PM, Florian Weimer fwei...@bfk.de wrote: Will Hotspot be able to optimize away the string construction on the exception path in multiplyExact() if the exception is caught locally? At least

Re: New portion of improvements for Dual-Pivot Quicksort

2010-07-06 Thread Tom Rodriguez
I actually looked into this in some detail and the reason for the difference in C1 is two fold. First the state of the JVM at array load is slightly different for a[i++] vs. a[i], i++. In the first case the top state has a copy of the original i but the local for i has i+1. In the second

Re: Math.log(17197) produces inconsistent results between javac, jit, Math and StrictMath on various architectures.

2010-05-25 Thread Tom Rodriguez
On May 24, 2010, at 5:55 AM, Xerxes RĂ„nby wrote: When running this testcase using various jvms / architectures i get varying results of the calculated log_result2 and log_result which ARCH+JVM combination log_result (javac) log_result2 (jit)

Re: SIGFPE with FPE_FLTRES

2009-03-25 Thread Tom Rodriguez
Tom Rodriguez said the following on 03/26/09 08:53: FPE_FLTRES appears to concern inexact results being produced but these kinds of exception should always be masked for us. In what kind of code was this reported? tom On Mar 24, 2009, at 5:58 PM, David Holmes - Sun Microsystems wrote: Can