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[Bug tree-optimization/38328] Massive performance regression for jpeg_idct_islow
- From: "sgunderson at bigfoot dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 30 Nov 2008 20:40:31 -0000
- Subject: [Bug tree-optimization/38328] Massive performance regression for jpeg_idct_islow
- References: <bug-38328-3483@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #6 from sgunderson at bigfoot dot com 2008-11-30 20:40 -------
Subject: Re: Massive performance regression
for jpeg_idct_islow
On Sun, Nov 30, 2008 at 08:37:31PM -0000, rguenth at gcc dot gnu dot org wrote:
> ------- Comment #5 from rguenth at gcc dot gnu dot org 2008-11-30 20:37 -------
> What is the gcc output if you append -v?
fugl:~> /usr/lib/gcc-snapshot/bin/gcc -v
Using built-in specs.
Target: i486-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Debian 20081117-1'
--with-bugurl=file:///usr/share/doc/gcc-snapshot/README.Bugs
--enable-languages=c,c++,java,fortran,objc,obj-c++,ada
--prefix=/usr/lib/gcc-snapshot --enable-shared --with-system-zlib --disable-nls
--enable-clocale=gnu --enable-libstdcxx-debug --enable-java-awt=gtk
--enable-gtk-cairo --disable-plugin
--with-java-home=/usr/lib/gcc-snapshot/java-1.5.0-gcj-4.4-1.5.0.0/jre
--enable-java-home --with-jvm-root-dir=/usr/lib/gcc-snapshot/jvm
--with-jvm-jar-dir=/usr/lib/gcc-snapshot/jvm-exports
--with-ecj-jar=/usr/share/java/eclipse-ecj.jar --enable-objc-gc --enable-mpfr
--enable-targets=all --enable-cld --disable-werror --build=i486-linux-gnu
--host=i486-linux-gnu --target=i486-linux-gnu
Thread model: posix
gcc version 4.4.0 20081117 (experimental) [trunk revision 141948] (Debian
20081117-1)
/* Steinar */
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38328