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Date: Sat, 27 Nov 2004 04:30:00 -0000
From: "belyshev at lubercy dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Message-ID: <20041127043006.18687.belyshev@lubercy.com>
Reply-To: gcc-bugzilla@gcc.gnu.org
Subject: [Bug tree-optimization/18687] New: [4.0 Regression] ~50% compile time regression
X-Bugzilla-Reason: CC
X-SW-Source: 2004-11/txt/msg03300.txt.bz2
List-Id: <gcc-bugs.sourceware.org>

These two files taken from linux kernel (hashes.c) and zlib (infcodes.c)

hashes.c:

        3.4.4   4.0.0   delta

-O0     0.045   0.049    9%
-O1     0.067   0.144  115%
-O2     0.108   0.177   64%

infcodes.c:

        3.4.4   4.0.0   delta

-O0     0.080   0.086    7%
-O1     0.120   0.223   86%
-O2     0.196   0.295   51%

-- 
           Summary: [4.0 Regression] ~50% compile time regression
           Product: gcc
           Version: 4.0.0
            Status: UNCONFIRMED
          Keywords: compile-time-hog
          Severity: normal
          Priority: P2
         Component: tree-optimization
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: belyshev at lubercy dot com
                CC: gcc-bugs at gcc dot gnu dot org
 BugsThisDependsOn: 15678


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=18687