https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77346
--- Comment #2 from Arseny Solokha <asolokha at gmx dot com> ---
(In reply to Aldy Hernandez from comment #1)
> I cannot reproduce this on a cross build from x86-64 Linux to
> --target=powerpc-*-linux-gnu. I cannot reproduce on neither mainline nor 2
> months back on mainline.
>
> Does this problem still exist in the latest mainline?
For me, yes:
% powerpc-e300c3-linux-gnu-gcc-7.0.0-alpha20161106 -mno-lra -Os -c -w
buwdtjav.c
buwdtjav.c: In function 'hx':
buwdtjav.c:25:1: internal compiler error: in push_reload, at reload.c:1344
}
^
0x30331d906a3 push_reload(rtx_def*, rtx_def*, rtx_def**, rtx_def**, reg_class,
machine_mode, machine_mode, int, int, int, reload_type)
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-7.0.0_alpha20161106/work/gcc-7-20161106/gcc/reload.c:1343
0x30331d96acb find_reloads(rtx_insn*, int, int, int, short*)
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-7.0.0_alpha20161106/work/gcc-7-20161106/gcc/reload.c:4027
0x30331da8854 calculate_needs_all_insns
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-7.0.0_alpha20161106/work/gcc-7-20161106/gcc/reload1.c:1474
0x30331da8854 reload(rtx_insn*, int)
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-7.0.0_alpha20161106/work/gcc-7-20161106/gcc/reload1.c:988
0x30331c2dd6e do_reload
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-7.0.0_alpha20161106/work/gcc-7-20161106/gcc/ira.c:5386
0x30331c2dd6e execute
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-7.0.0_alpha20161106/work/gcc-7-20161106/gcc/ira.c:5558
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <http://gcc.gnu.org/bugs.html> for instructions.
But maybe you also need -fno-PIC -fno-stack-protector?
% powerpc-e300c3-linux-gnu-gcc-7.0.0-alpha20161106 -mno-lra -Os -fPIC
-fstack-protector -c -w buwdtjav.c
% echo $?
0
% powerpc-e300c3-linux-gnu-gcc-7.0.0-alpha20161106 -v
Using built-in specs.
COLLECT_GCC=powerpc-e300c3-linux-gnu-gcc-7.0.0-alpha20161106
COLLECT_LTO_WRAPPER=/usr/libexec/gcc/powerpc-e300c3-linux-gnu/7.0.0-alpha20161106/lto-wrapper
Target: powerpc-e300c3-linux-gnu
Configured with:
/var/tmp/portage/cross-powerpc-e300c3-linux-gnu/gcc-7.0.0_alpha20161106/work/gcc-7-20161106/configure
--host=x86_64-pc-linux-gnu --target=powerpc-e300c3-linux-gnu
--build=x86_64-pc-linux-gnu --prefix=/usr
--bindir=/usr/x86_64-pc-linux-gnu/powerpc-e300c3-linux-gnu/gcc-bin/7.0.0-alpha20161106
--includedir=/usr/lib/gcc/powerpc-e300c3-linux-gnu/7.0.0-alpha20161106/include
--datadir=/usr/share/gcc-data/powerpc-e300c3-linux-gnu/7.0.0-alpha20161106
--mandir=/usr/share/gcc-data/powerpc-e300c3-linux-gnu/7.0.0-alpha20161106/man
--infodir=/usr/share/gcc-data/powerpc-e300c3-linux-gnu/7.0.0-alpha20161106/info
--with-gxx-include-dir=/usr/lib/gcc/powerpc-e300c3-linux-gnu/7.0.0-alpha20161106/include/g++-v7
--with-python-dir=/share/gcc-data/powerpc-e300c3-linux-gnu/7.0.0-alpha20161106/python
--enable-languages=c,c++ --enable-obsolete --enable-secureplt --disable-werror
--with-system-zlib --disable-nls --enable-checking=yes --disable-esp
--enable-libstdcxx-time --enable-poison-system-directories
--with-sysroot=/usr/powerpc-e300c3-linux-gnu --disable-bootstrap
--enable-__cxa_atexit --enable-clocale=gnu --disable-multilib --disable-altivec
--disable-fixed-point --enable-targets=all --disable-libgcj --enable-libgomp
--disable-libmudflap --disable-libssp --disable-libcilkrts --disable-libmpx
--disable-vtable-verify --disable-libvtv --disable-libquadmath --enable-lto
--with-isl --disable-isl-version-check --disable-libsanitizer
Thread model: posix
gcc version 7.0.0-alpha20161106 20161106 (experimental) (GCC)
