https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113623
Bug ID: 113623 Summary: [14 Regression] ICE in aarch64_pair_mem_from_base Product: gcc Version: 14.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: jakub at gcc dot gnu.org Target Milestone: --- Created attachment 57234 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=57234&action=edit rh2260560.i The following testcase ICEs at -O3: ./cc1 -quiet -nostdinc -O3 rh2260560.i -W -Wall during RTL pass: ldp_fusion rh2260560.i: In function ‘qux’: rh2260560.i:137:1: internal compiler error: in aarch64_pair_mem_from_base, at config/aarch64/aarch64.cc:8257 137 | } | ^ 0x1bc8c3e aarch64_pair_mem_from_base ../../gcc/config/aarch64/aarch64.cc:8257 0x1bc8cee aarch64_gen_load_pair(rtx_def*, rtx_def*, rtx_def*, rtx_code) ../../gcc/config/aarch64/aarch64.cc:8285 0x1dc2d50 ldp_bb_info::fuse_pair(bool, unsigned int, int, rtl_ssa::insn_info*, rtl_ssa::insn_info*, base_cand&, rtl_ssa::insn_range_info const&) ../../gcc/config/aarch64/aarch64-ldp-fusion.cc:1883 0x1dc539e ldp_bb_info::try_fuse_pair(bool, unsigned int, rtl_ssa::insn_info*, rtl_ssa::insn_info*) ../../gcc/config/aarch64/aarch64-ldp-fusion.cc:2782 0x1dc5627 ldp_bb_info::merge_pairs(std::__cxx11::list<rtl_ssa::insn_info*, std::allocator<rtl_ssa::insn_info*> >&, std::__cxx11::list<rtl_ssa::insn_info*, std::allocator<rtl_ssa::insn_info*> >&, bool, unsigned int) ../../gcc/config/aarch64/aarch64-ldp-fusion.cc:2871 0x1dc5816 ldp_bb_info::transform_for_base(int, access_group&) ../../gcc/config/aarch64/aarch64-ldp-fusion.cc:2904 0x1dc801c void ldp_bb_info::traverse_base_map<ordered_hash_map<pair_hash<nofree_ptr_hash<rtl_ssa::def_info>, int_hash<int, -1, -2> >, access_group, simple_hashmap_traits<default_hash_traits<pair_hash<nofree_ptr_hash<rtl_ssa::def_info>, int_hash<int, -1, -2> > >, access_group> > >(ordered_hash_map<pair_hash<nofree_ptr_hash<rtl_ssa::def_info>, int_hash<int, -1, -2> >, access_group, simple_hashmap_traits<default_hash_traits<pair_hash<nofree_ptr_hash<rtl_ssa::def_info>, int_hash<int, -1, -2> > >, access_group> >&) ../../gcc/config/aarch64/aarch64-ldp-fusion.cc:2963 0x1dc5a75 ldp_bb_info::transform() ../../gcc/config/aarch64/aarch64-ldp-fusion.cc:2971 0x1dc01fb ldp_fusion_bb(rtl_ssa::bb_info*) ../../gcc/config/aarch64/aarch64-ldp-fusion.cc:3209 0x1dc0285 ldp_fusion() ../../gcc/config/aarch64/aarch64-ldp-fusion.cc:3218 0x1dc0398 execute ../../gcc/config/aarch64/aarch64-ldp-fusion.cc:3268 Please submit a full bug report, with preprocessed source (by using -freport-bug). Please include the complete backtrace with any bug report. See <https://gcc.gnu.org/bugs/> for instructions.