40% performance regression SPEC2006/leslie3d on gcc-4_2-branch

2007-02-17 Thread Vladimir Sysoev
Hello, Daniel It looks like your changeset listed bellow makes performance regression ~40% on SPEC2006/leslie3d. I will try to create minimal test for this issue this week and update you in any case. Feel free to ask if any question. FYI: Hardware is Core2Duo. Compiler config Target: x86_64-re

Re: 40% performance regression SPEC2006/leslie3d on gcc-4_2-branch

2007-02-17 Thread David Edelsohn
> Vladimir Sysoev writes: Vladimir> It looks like your changeset listed bellow makes performance Vladimir> regression ~40% on SPEC2006/leslie3d. I will try to create minimal Vladimir> test for this issue this week and update you in any case. I believe that this is known and expected.

messages in objective-C

2007-02-17 Thread Come Lonfils
Hello, I've already asked some questions about the messages in objective-c. But I still not understand all. When a program is running, and I send a message to an object, how is it done in gcc to sent this message to the good object and to execute the good method. Which structures are used to d

Re: Makefile.def and fixincludes/Makefile.in inconsistency?

2007-02-17 Thread Brooks Moses
Paolo Bonzini wrote: Am I correct in guessing that the "missing" lines in Makefile.def are not currently needed? Or are they merely present in the GCC fixincludes but missing in the fixincludes directories in some other trees that share the top-level build files? Yes, a patch that removes th

Re: 40% performance regression SPEC2006/leslie3d on gcc-4_2-branch

2007-02-17 Thread H. J. Lu
On Sat, Feb 17, 2007 at 01:35:28PM +0300, Vladimir Sysoev wrote: > Hello, Daniel > > It looks like your changeset listed bellow makes performance > regression ~40% on SPEC2006/leslie3d. I will try to create minimal > test for this issue this week and update you in any case. > That is a known iss