This is the wrong place to report bugs. Please use bugzilla: https://gcc.gnu.org/bugzilla/
You also need to include a *complete* description of the bug and provide code that can be used to reproduce it. Your minimal description below is completely inadequate. R. On 01/10/18 02:27, Jason A. Donenfeld wrote: > Hello, > > Compiling with "-march=armv7-a -mtune=cortex-a15 -mbe8" produces code > that appears to change the order of words. For example, the word-wise > optimized strcpy in musl changes "/dev/fd/" into "/fd//dev". Removing > "mtune=cortex-a15" works around the problem. Presumably this is due to > some instructions used in cortex-a15 mode that assume little endian > data, when -mbe8 requires otherwise. > > Thanks, > Jason > > $ armeb-pc-linux-gnueabi-gcc -v > Using built-in specs. > COLLECT_GCC=armeb-pc-linux-gnueabi-gcc > COLLECT_LTO_WRAPPER=/usr/libexec/gcc/armeb-pc-linux-gnueabi/8.2.0/lto-wrapper > Target: armeb-pc-linux-gnueabi > Configured with: > /var/tmp/portage/cross-armeb-pc-linux-gnueabi/gcc-8.2.0-r3/work/gcc-8.2.0/configure > --host=x86_64-p > c-linux-gnu --target=armeb-pc-linux-gnueabi > --build=x86_64-pc-linux-gnu --prefix=/usr > --bindir=/usr/x86_64-pc-linux- > gnu/armeb-pc-linux-gnueabi/gcc-bin/8.2.0 > --includedir=/usr/lib/gcc/armeb-pc-linux-gnueabi/8.2.0/include > --datadir=/u > sr/share/gcc-data/armeb-pc-linux-gnueabi/8.2.0 > --mandir=/usr/share/gcc-data/armeb-pc-linux-gnueabi/8.2.0/man --infod > ir=/usr/share/gcc-data/armeb-pc-linux-gnueabi/8.2.0/info > --with-gxx-include-dir=/usr/lib/gcc/armeb-pc-linux-gnueabi/ > 8.2.0/include/g++-v8 > --with-python-dir=/share/gcc-data/armeb-pc-linux-gnueabi/8.2.0/python > --enable-languages=c,c++, > fortran --enable-obsolete --enable-secureplt --disable-werror > --with-system-zlib --enable-nls --without-included-get > text --enable-checking=release --with-bugurl=https://bugs.gentoo.org/ > --with-pkgversion='Gentoo 8.2.0-r3 p1.3' --dis > able-esp --enable-libstdcxx-time --enable-poison-system-directories > --with-sysroot=/usr/armeb-pc-linux-gnueabi --dis > able-bootstrap --enable-__cxa_atexit --enable-clocale=gnu > --disable-multilib --disable-altivec --disable-fixed-point > --with-float=soft --enable-libgomp --disable-libmudflap > --disable-libssp --disable-libmpx --disable-systemtap --ena > ble-vtable-verify --enable-libvtv --enable-lto --without-isl > --enable-libsanitizer --enable-default-pie --enable-def > ault-ssp > Thread model: posix > gcc version 8.2.0 (Gentoo 8.2.0-r3 p1.3) >
