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
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Please include the complete backtrace with any bug report.
See <https://gcc.gnu.org/bugs/> for instructions.
