------- Additional Comments From ornati at fastwebnet dot it 2005-02-08 16:13 ------- gcc -v
Using built-in specs. Configured with: /var/tmp/portage/gcc-4.0.0_alpha20050130/work/gcc-4.0-20050130/configure --enable-version-specific-runtime-libs --prefix=/usr --bindir=/usr/i686-pc-linux-gnu/gcc-bin/4.0.0 --includedir=/usr/lib/gcc/i686-pc-linux-gnu/4.0.0/include --datadir=/usr/share/gcc-data/i686-pc-linux-gnu/4.0.0 --mandir=/usr/share/gcc-data/i686-pc-linux-gnu/4.0.0/man --infodir=/usr/share/gcc-data/i686-pc-linux-gnu/4.0.0/info --with-gxx-include-dir=/usr/lib/gcc/i686-pc-linux-gnu/4.0.0/include/g++-v4 --host=i686-pc-linux-gnu --disable-altivec --enable-nls --without-included-gettext --enable-__cxa_atexit --enable-clocale=gnu --with-system-zlib --disable-checking --disable-werror --disable-libunwind-exceptions --enable-shared --enable-threads=posix --disable-multilib --disable-libgcj --enable-languages=c,c++ Thread model: posix gcc version 4.0.0 alpha20050130 (Gentoo Linux 4.0.0_alpha20050130) [EMAIL PROTECTED] gcc_test $ time ./test-i686 real 0m8.539s user 0m8.376s sys 0m0.001s [EMAIL PROTECTED] gcc_test $ time ./test-athlon real 0m6.168s user 0m6.031s sys 0m0.005s As the numbers show, the problem go away for "-march=athlon"... but now "-march=i686" version is MUCH slower than before (with GCC 3.3.x). Seems like I've found a very strange test-case... -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19133
