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[Bug target/79105] Autovectorized NEON code slower than vfpv4 on Cortex A5
- From: "tulipawn at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 17 Jan 2017 12:56:41 +0000
- Subject: [Bug target/79105] Autovectorized NEON code slower than vfpv4 on Cortex A5
- Auto-submitted: auto-generated
- References: <bug-79105-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79105
--- Comment #2 from PeteVine <tulipawn at gmail dot com> ---
$ gcc -v
Configured with: ../configure -v --enable-languages=c,c++,fortran
--prefix=/usr/gcc7 --program-suffix=-7 --enable-shared --enable-linker-build-id
--libexecdir=/usr/gcc7/lib --without-included-gettext --enable-threads=posix
--libdir=/usr/gcc7/lib --enable-nls --with-sysroot=/ --enable-clocale=gnu
--enable-libstdcxx-time=yes --with-default-libstdcxx-abi=gcc4-compatible
--enable-gnu-unique-object --disable-libitm --disable-libquadmath
--enable-plugin --with-system-zlib --disable-browser-plugin
--with-arch-directory=arm --enable-multiarch --enable-multilib
--disable-sjlj-exceptions --with-arch=armv7-a --with-fpu=vfpv3
--with-float=hard --with-mode=arm --disable-werror --enable-multilib
--build=arm-linux-gnueabihf --host=arm-linux-gnueabihf
--target=arm-linux-gnueabihf --enable-checking=release
Thread model: posix
gcc version 7.0.0 20170114 (experimental) (GCC)