https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106481
Bug ID: 106481
Summary: [13 Regression] ICE: in native_encode_rtx, at
simplify-rtx.cc:6884 with -O2 -fno-dce
-fno-forward-propagate -fno-rerun-cse-after-loop
Product: gcc
Version: 13.0
Status: UNCONFIRMED
Keywords: ice-on-valid-code
Severity: normal
Priority: P3
Component: target
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 53387
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=53387&action=edit
reduced testcase
Compiler output:
$ x86_64-pc-linux-gnu-gcc -O2 -fno-dce -fno-forward-propagate
-fno-rerun-cse-after-loop testcase.c -Wno-psabi
testcase.c:13:1: internal compiler error: in native_encode_rtx, at
simplify-rtx.cc:6884
13 | }
| ^
0x7857b6 native_encode_rtx(machine_mode, rtx_def*, vec<unsigned char, va_heap,
vl_ptr>&, unsigned int, unsigned int)
/repo/gcc-trunk/gcc/simplify-rtx.cc:6884
0x16f2feb optimize_constant_pool
/repo/gcc-trunk/gcc/varasm.cc:4437
0x16fcbff output_shared_constant_pool()
/repo/gcc-trunk/gcc/varasm.cc:4544
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-r13-1895-20220729130134-g6e0ca3fe88d-checking-yes-rtl-df-extra-amd64/bin/../libexec/gcc/x86_64-pc-linux-gnu/13.0.0/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
--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-r13-1895-20220729130134-g6e0ca3fe88d-checking-yes-rtl-df-extra-amd64
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 13.0.0 20220729 (experimental) (GCC)
