From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 11166 invoked by alias); 6 Jan 2010 11:37:06 -0000 Received: (qmail 10224 invoked by uid 48); 6 Jan 2010 11:36:56 -0000 Date: Wed, 06 Jan 2010 11:37:00 -0000 Message-ID: <20100106113656.10223.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug rtl-optimization/42621] [4.4/4.5 Regression] Computed gotos on AMD 800% slower In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "fredrik dot svahn at gmail dot com" Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org X-SW-Source: 2010-01/txt/msg00616.txt.bz2 ------- Comment #5 from fredrik dot svahn at gmail dot com 2010-01-06 11:36 ------- Thanks for the quick patch! Unfortunately it only works for me with option "-march=athlon64"? Is this intentional ("-march" is not needed for gcc-4.3)? Am I doing something wrong? $ gcc-4.3 -v && /opt/gcc/bin/gcc-4.4.2-new -v Using built-in specs. Target: x86_64-unknown-linux-gnu Configured with: ../configure --prefix=/usr --enable-shared --enable-languages=c,c++ --enable-threads=posix --mandir=/usr/share/man --infodir=/usr/share/info --enable-__cxa_atexit --disable-multilib --libdir=/usr/lib --libexecdir=/usr/lib --enable-clocale=gnu --disable-libstdcxx-pch --with-tune=generic --disable-werror --enable-checking=release --program-suffix=-4.3 --enable-version-specific-runtime-libs Thread model: posix gcc version 4.3.3 (GCC) Using built-in specs. Target: x86_64-unknown-linux-gnu Configured with: ../gcc-4.4.2/configure --prefix=/opt/gcc --enable-shared --enable-languages=c,c++ --enable-threads=posix --mandir=/usr/share/man --infodir=/usr/share/info --enable-__cxa_atexit --disable-multilib --libdir=/usr/lib --libexecdir=/usr/lib --enable-clocale=gnu --disable-libstdcxx-pch --with-tune=generic --disable-werror --enable-checking=release --program-suffix=-4.4.2-new --enable-version-specific-runtime-libs Thread model: posix gcc version 4.4.2 (GCC) $ gcc-4.3 -g -O3 test.c -o testp.4.3 && /opt/gcc/bin/gcc-4.4.2-new -g -Wall -O3 test.c -o testp.4.4.2 $ time ./testp.4.3 && time ./testp.4.4.2 real 0m0.889s user 0m0.880s sys 0m0.000s real 0m4.043s user 0m4.036s sys 0m0.003s $ gcc-4.3 -g -O3 test.c -o testp.4.3 && /opt/gcc/bin/gcc-4.4.2-new -g -Wall -march=athlon64 -O3 test.c -o testp.4.4.2 $ time ./testp.4.3 && time ./testp.4.4.2 real 0m0.888s user 0m0.880s sys 0m0.000s real 0m0.638s user 0m0.627s sys 0m0.003s -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42621