https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91444
--- Comment #2 from Martin Liška <marxin at gcc dot gnu.org> --- (In reply to Martin Liška from comment #1) > Confirmed, UBSAN says: > > $ ./xgcc -B. /home/marxin/Programming/gcc/gcc/testsuite/gcc.dg/pr48616.c -c > -c > ../../gcc/config/rs6000/rs6000.c:5566:13: runtime error: shift exponent 64 > is too large for 64-bit type 'long int' > #0 0x29e7953 in num_insns_constant_multi > ../../gcc/config/rs6000/rs6000.c:5566 > #1 0x29e908e in num_insns_constant(rtx_def*, machine_mode) > ../../gcc/config/rs6000/rs6000.c:5654 > #2 0x2a0de5d in rs6000_emit_move(rtx_def*, rtx_def*, machine_mode) > ../../gcc/config/rs6000/rs6000.c:9712 > #3 0x310242a in gen_movdi(rtx_def*, rtx_def*) > ../../gcc/config/rs6000/rs6000.md:7135 > #4 0x118f287 in insn_gen_fn::operator()(rtx_def*, rtx_def*) const > ../../gcc/recog.h:318 > #5 0x11399b8 in emit_move_insn_1(rtx_def*, rtx_def*) > ../../gcc/expr.c:3695 > #6 0x113abf0 in emit_move_insn(rtx_def*, rtx_def*) ../../gcc/expr.c:3791 > #7 0x1116251 in convert_move(rtx_def*, rtx_def*, int) > ../../gcc/expr.c:246 > #8 0x114982d in store_expr(tree_node*, rtx_def*, int, bool, bool) > ../../gcc/expr.c:5615 > #9 0x1146fc8 in expand_assignment(tree_node*, tree_node*, bool) > ../../gcc/expr.c:5441 > #10 0xcec66c in expand_gimple_stmt_1 ../../gcc/cfgexpand.c:3777 > #11 0xcece92 in expand_gimple_stmt ../../gcc/cfgexpand.c:3875 > #12 0xd0061e in expand_gimple_basic_block ../../gcc/cfgexpand.c:5915 > #13 0xd05228 in execute ../../gcc/cfgexpand.c:6538 > #14 0x1ad73cb in execute_one_pass(opt_pass*) ../../gcc/passes.c:2494 > #15 0x1ad7c63 in execute_pass_list_1 ../../gcc/passes.c:2580 > #16 0x1ad7db7 in execute_pass_list(function*, opt_pass*) > ../../gcc/passes.c:2591 > #17 0xdfa021 in cgraph_node::expand() ../../gcc/cgraphunit.c:2194 > #18 0xdfc6b2 in output_in_order ../../gcc/cgraphunit.c:2438 > #19 0xdfdd01 in symbol_table::compile() ../../gcc/cgraphunit.c:2685 > #20 0xdfe78c in symbol_table::finalize_compilation_unit() > ../../gcc/cgraphunit.c:2868 > #21 0x1ed4dac in compile_file ../../gcc/toplev.c:481 > #22 0x1edc9ae in do_compile ../../gcc/toplev.c:2190 > #23 0x1edcfdd in toplev::main(int, char**) ../../gcc/toplev.c:2325 > #24 0x3bf5469 in main ../../gcc/main.c:39 > #25 0x7fac4289fbca in __libc_start_main ../csu/libc-start.c:308 > #26 0x832969 in _start > (/home/marxin/Programming/gcc2/objdir/gcc/cc1+0x832969) Which is probably an unrelated issue.
