https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110470
Bug ID: 110470 Summary: Test gcc.c-torture/execute/pr105613.c ICEs in prepare_cmp_insn on s390x with -march=z14 Product: gcc Version: 14.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: rtl-optimization Assignee: unassigned at gcc dot gnu.org Reporter: mpolacek at gcc dot gnu.org Target Milestone: --- Take gcc.c-torture/execute/pr105613.c: $ ./cc1 -quiet pr105613.c -Iinclude -march=z13 $ ./cc1 -quiet pr105613.c -Iinclude -march=z14 during RTL pass: expand pr105613.c: In function ‘foo’: pr105613.c:9:10: internal compiler error: in prepare_cmp_insn, at optabs.cc:4609 9 | *r = v != 0; | ~~^~~~ 0x6c59a6 prepare_cmp_insn /home/mpolacek/src/gcc/gcc/optabs.cc:4609 0xd2055f emit_cmp_and_jump_insns(rtx_def*, rtx_def*, rtx_code, rtx_def*, machine_mode, int, tree_node*, rtx_def*, profile_probability) /home/mpolacek/src/gcc/gcc/optabs.cc:4824 0x9fbed9 do_compare_rtx_and_jump(rtx_def*, rtx_def*, rtx_code, int, tree_node*, machine_mode, rtx_def*, rtx_code_label*, rtx_code_label*, profile_probability) /home/mpolacek/src/gcc/gcc/dojump.cc:1238 0x9fd63a do_jump /home/mpolacek/src/gcc/gcc/dojump.cc:620 0xaa22d7 expand_expr_real_2(separate_ops*, rtx_def*, machine_mode, expand_modifier) /home/mpolacek/src/gcc/gcc/expr.cc:10274 0x988a40 expand_gimple_stmt_1 /home/mpolacek/src/gcc/gcc/cfgexpand.cc:3983 0x988a40 expand_gimple_stmt /home/mpolacek/src/gcc/gcc/cfgexpand.cc:4044 0x98d9a6 expand_gimple_basic_block /home/mpolacek/src/gcc/gcc/cfgexpand.cc:6096 0x98f447 execute /home/mpolacek/src/gcc/gcc/cfgexpand.cc:6831