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[Bug tree-optimization/13776] [4.0 Regression] [tree-ssa] Many C++ compile-time regression in 4.0-tree-ssa 040120
- From: "law at redhat dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 29 Nov 2004 20:05:46 -0000
- Subject: [Bug tree-optimization/13776] [4.0 Regression] [tree-ssa] Many C++ compile-time regression in 4.0-tree-ssa 040120
- References: <20040120183908.13776.kgardas@objectsecurity.com>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From law at redhat dot com 2004-11-29 20:05 -------
Subject: Re: [4.0 Regression] [tree-ssa] Many
C++ compile-time regression in 4.0-tree-ssa 040120
On Mon, 2004-11-29 at 19:56 +0000, kgardas at objectsecurity dot com
wrote:
> ------- Additional Comments From kgardas at objectsecurity dot com 2004-11-29 19:56 -------
> Subject: Re: [4.0 Regression] [tree-ssa] Many
> C++ compile-time regression in 4.0-tree-ssa 040120
>
>
> I've updated comparison table for 4.0.0 20041126 compiler version. You can
> find it here: http://gcc.gnu.org/ml/gcc/2004-11/msg01157.html
BTW, if I'm reading that table correctly, overall the compile time
performance of mainline is actually on-par or better than 3.4 at
-O0, -O1 and -O2 for this test. That's not to diminish the need to
work on ir.cc, but things appear to be heading the right direction.
jeff
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13776