I'm getting this ICE with -mabi=ilp32:
during RTL pass: fwprop1
/opt/gcc/gcc-20200312/gcc/testsuite/gcc.dg/pr94121.c: In function 'bar':
/opt/gcc/gcc-20200312/gcc/testsuite/gcc.dg/pr94121.c:16:1: internal compiler
error: in decompose, at rtl.h:2279
0xca5063 wi::int_traits<std::pair<rtx_def*, machine_mode> >::decompose(long*,
unsigned int, std::pair<rtx_def*, machine_mode> const&)
../../gcc/rtl.h:2279
0xca5063 wide_int_ref_storage<false,
false>::wide_int_ref_storage<std::pair<rtx_def*, machine_mode>
>(std::pair<rtx_def*, machine_mode> const&)
../../gcc/wide-int.h:1024
0xca5063 generic_wide_int<wide_int_ref_storage<false, false>
>::generic_wide_int<std::pair<rtx_def*, machine_mode> >(std::pair<rtx_def*,
machine_mode> const&)
../../gcc/wide-int.h:782
0xca5063 poly_int<2u, generic_wide_int<wide_int_ref_storage<false, false> >
>::poly_int<std::pair<rtx_def*, machine_mode> >(std::pair<rtx_def*,
machine_mode> const&)
../../gcc/poly-int.h:670
0xca5063 wi::to_poly_wide(rtx_def const*, machine_mode)
../../gcc/rtl.h:2364
0xca5063 neg_poly_int_rtx
../../gcc/simplify-rtx.c:64
0xcab637 simplify_binary_operation_1
../../gcc/simplify-rtx.c:2677
0xcacc87 simplify_binary_operation(rtx_code, machine_mode, rtx_def*, rtx_def*)
../../gcc/simplify-rtx.c:2291
0xcacd33 simplify_gen_binary(rtx_code, machine_mode, rtx_def*, rtx_def*)
../../gcc/simplify-rtx.c:189
0x163797f propagate_rtx_1
../../gcc/fwprop.c:520
0x16384b3 propagate_rtx
../../gcc/fwprop.c:752
0x1639b83 forward_propagate_and_simplify
../../gcc/fwprop.c:1421
0x1639b83 forward_propagate_into
../../gcc/fwprop.c:1490
0x163a74f fwprop
../../gcc/fwprop.c:1580
Andreas.
--
Andreas Schwab, SUSE Labs, sch...@suse.de
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