https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108463
Bug ID: 108463
Summary: [13 Regression] ICE: in cselib_subst_to_values, at
cselib.cc:2148 with -O2 -fsched2-use-superblocks -g
Product: gcc
Version: 13.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: rtl-optimization
Assignee: unassigned at gcc dot gnu.org
Reporter: zsojka at seznam dot cz
Target Milestone: ---
Host: x86_64-pc-linux-gnu
Target: x86_64-pc-linux-gnu
Created attachment 54306
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=54306&action=edit
reduced testcase
Compiler output:
$ x86_64-pc-linux-gnu-gcc -O2 -fsched2-use-superblocks -g testcase.c
testcase.c: In function 'foo':
testcase.c:5:1: note: the ABI for passing parameters with 32-byte alignment has
changed in GCC 4.6
5 | foo (V v)
| ^~~
testcase.c:5:1: warning: AVX vector argument without AVX enabled changes the
ABI [-Wpsabi]
during RTL pass: sched2
testcase.c:9:1: internal compiler error: in cselib_subst_to_values, at
cselib.cc:2148
9 | }
| ^
0x6ce4f5 cselib_subst_to_values(rtx_def*, machine_mode)
/repo/gcc-trunk/gcc/cselib.cc:2148
0xf0fa26 cselib_subst_to_values(rtx_def*, machine_mode)
/repo/gcc-trunk/gcc/cselib.cc:2193
0xf139dd cselib_subst_to_values_from_insn(rtx_def*, machine_mode, rtx_insn*)
/repo/gcc-trunk/gcc/cselib.cc:2264
0x25c87c2 add_insn_mem_dependence
/repo/gcc-trunk/gcc/sched-deps.cc:1741
0x25cd060 sched_analyze_2
/repo/gcc-trunk/gcc/sched-deps.cc:2688
0x25cd0e9 sched_analyze_2
/repo/gcc-trunk/gcc/sched-deps.cc:2806
0x25cdd3e sched_analyze_insn
/repo/gcc-trunk/gcc/sched-deps.cc:2960
0x25d0595 deps_analyze_insn(deps_desc*, rtx_insn*)
/repo/gcc-trunk/gcc/sched-deps.cc:3683
0x25d364e sched_analyze(deps_desc*, rtx_insn*, rtx_insn*)
/repo/gcc-trunk/gcc/sched-deps.cc:3836
0x25d46d0 schedule_ebb(rtx_insn*, rtx_insn*, bool)
/repo/gcc-trunk/gcc/sched-ebb.cc:505
0x25d4cc2 schedule_ebbs()
/repo/gcc-trunk/gcc/sched-ebb.cc:655
0x137eb1c rest_of_handle_sched2
/repo/gcc-trunk/gcc/sched-rgn.cc:3749
0x137eb1c execute
/repo/gcc-trunk/gcc/sched-rgn.cc:3890
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.
$ x86_64-pc-linux-gnu-gcc -v
Using built-in specs.
COLLECT_GCC=/repo/gcc-trunk/binary-latest-amd64/bin/x86_64-pc-linux-gnu-gcc
COLLECT_LTO_WRAPPER=/repo/gcc-trunk/binary-trunk-r13-5254-20230119100051-g05b9868b182-checking-yes-rtl-df-extra-nobootstrap-amd64/bin/../libexec/gcc/x86_64-pc-linux-gnu/13.0.1/lto-wrapper
Target: x86_64-pc-linux-gnu
Configured with: /repo/gcc-trunk//configure --enable-languages=c,c++
--enable-valgrind-annotations --disable-nls --enable-checking=yes,rtl,df,extra
--disable-bootstrap --with-cloog --with-ppl --with-isl
--build=x86_64-pc-linux-gnu --host=x86_64-pc-linux-gnu
--target=x86_64-pc-linux-gnu --with-ld=/usr/bin/x86_64-pc-linux-gnu-ld
--with-as=/usr/bin/x86_64-pc-linux-gnu-as --disable-libstdcxx-pch
--prefix=/repo/gcc-trunk//binary-trunk-r13-5254-20230119100051-g05b9868b182-checking-yes-rtl-df-extra-nobootstrap-amd64
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 13.0.1 20230119 (experimental) (GCC)
