https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64525
--- Comment #1 from kugan at gcc dot gnu.org --- compiler options: arm-none-linux-gnueabi-gcc -O3 -S test.c arm-none-linux-gnueabi-gcc -v Using built-in specs. COLLECT_GCC=/home/kugan/work/builds/gcc-fsf-gcc/tools/bin/arm-none-linux-gnueabi-gcc COLLECT_LTO_WRAPPER=/home/kugan/work/builds/gcc-fsf-gcc/tools/libexec/gcc/arm-none-linux-gnueabi/5.0.0/lto-wrapper Target: arm-none-linux-gnueabi Configured with: /home/kugan/work/sources/gcc-fsf/gcc/configure --target=arm-none-linux-gnueabi --prefix=/home/kugan/work/builds/gcc-fsf-gcc/tools --with-sysroot=/home/kugan/work/builds/gcc-fsf-gcc/sysroot-arm-none-linux-gnueabi --disable-libssp --disable-libgomp --disable-libmudflap --enable-languages=c,c++,fortran --with-arch=armv7-a --with-fpu=vfpv3-d16 --with-float=softfp --with-thumb Thread model: posix gcc version 5.0.0 20141203 (experimental) (GCC)