This is the mail archive of the java-patches@gcc.gnu.org mailing list for the Java project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

Re: interpreter and nops


>>>>> "Chris" == Chris Sears <cbsears_sf@yahoo.com> writes:

>> Are `nop's common in Java bytecode?  I think `gcj -C' never
>> generates them.  I don't know about other compilers.

Chris> No, they aren't!  Please don't check that change in,
Chris> I didn't mean for you to.

Don't worry, I wasn't planning to.  I was just wondering if you had
tried a similar patch that might avoid the penalty.

Chris> My concern was that it was such a simple change and it had such
Chris> a negative effect.  It was an easily isolatable test case.  I
Chris> just wanted to see if it rang any bells.  I'll see if I can
Chris> track it down with the Pentium code generator guys.

That's the best thing to do.

Thanks,
Tom


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]