https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91708
--- Comment #6 from Bernd Edlinger <bernd.edlinger at hotmail dot de> ---
(In reply to Wilco from comment #5)
> (In reply to Christophe Lyon from comment #4)
> > (In reply to Bernd Edlinger from comment #3)
> > > I will try to reproduce with building of a cross for this target.
> >
> > FWIW, cross-build looked fine for me at r275501:
> > --target arm-none-linux-gnueabihf
> > --with-mode arm / thumb
> > --with-cpu cortex-a57
> > --with-fpu crypto-neon-fp-armv8
>
> It passes with --with-fpu=neon-fp-armv8, so it seems not having Neon enabled
> is necessary too.
Yeah, using Wico's config flags I was able to reproduce this now:
during RTL pass: reload
../../gcc-trunk-1/gcc/real.c: In function 'bool real_nextafter(real_value*,
format_helper, const real_value*, const real_value*)':
../../gcc-trunk-1/gcc/real.c:5240:1: internal compiler error: in gen_movsi, at
config/arm/arm.md:5435
5240 | }
| ^
0x882ecb gen_movsi(rtx_def*, rtx_def*)
../../gcc-trunk-1/gcc/config/arm/arm.md:5435
0xc82977 insn_gen_fn::operator()(rtx_def*, rtx_def*) const
../../gcc-trunk-1/gcc/recog.h:318
0xc82977 emit_move_insn_1(rtx_def*, rtx_def*)
../../gcc-trunk-1/gcc/expr.c:3694
0xc82d04 emit_move_insn(rtx_def*, rtx_def*)
../../gcc-trunk-1/gcc/expr.c:3790
0xe2eb4a lra_emit_move(rtx_def*, rtx_def*)
../../gcc-trunk-1/gcc/lra.c:498
0xe44be2 curr_insn_transform
../../gcc-trunk-1/gcc/lra-constraints.c:4402
0xe463fe lra_constraints(bool)
../../gcc-trunk-1/gcc/lra-constraints.c:4999
0xe2f0d4 lra(_IO_FILE*)
../../gcc-trunk-1/gcc/lra.c:2452
0xde7191 do_reload
../../gcc-trunk-1/gcc/ira.c:5522
0xde7191 execute
../../gcc-trunk-1/gcc/ira.c:5706
Please submit a full bug report,
with preprocessed source if appropriate.
Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
make[2]: *** [real.o] Error 1
make[2]: Leaving directory
`/home/ed/gnu/gcc-build-arm-linux-gnueabihf-cross-1/gcc'
make[1]: *** [all-gcc] Error 2
make[1]: Leaving directory `/home/ed/gnu/gcc-build-arm-linux-gnueabihf-cross-1'
make: *** [all] Error 2
