https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121309
Bug ID: 121309
Summary: [16 Regression] ICE: in assert_rtx_eq_at, at
selftest-rtl.cc:57: test_scalar_int_ext_ops: FAIL:
ASSERT_RTX_EQ (lowpart_subreg ( ... ), ... ) during
armv7a-hardfloat build
Product: gcc
Version: 16.0
Status: UNCONFIRMED
Keywords: ice-checking
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: armv7a-hardfloat-linux-gnueabi
During build:
...
make[2]: Entering directory '/repo/build-gcc-trunk-armv7a-hardfloat/gcc'
LC_ALL=C GCC_COLORS= /repo/build-gcc-trunk-armv7a-hardfloat/./gcc/xgcc
-B/repo/build-gcc-trunk-armv7a-hardfloat/./gcc/ -xc -nostdinc /dev/null -S -o
/dev/null -fself-test=/repo/gcc-trunk/gcc/testsuite/selftests
/repo/gcc-trunk/gcc/simplify-rtx.cc:8732: test_scalar_int_ext_ops: FAIL:
ASSERT_RTX_EQ (lowpart_subreg (smode, simplify_gen_binary (XOR, bmode, bsubreg,
smask), bmode), lowpart_subreg (smode, gen_rtx_NOT (bmode, bsubreg), bmode))
expected: (not:SI (reg:SI 121))
actual: (subreg:SI (not:DI (subreg:DI (reg:SI 121) 0)) 0)
cc1: internal compiler error: in assert_rtx_eq_at, at selftest-rtl.cc:57
0x22ee051 internal_error(char const*, ...)
/repo/gcc-trunk/gcc/diagnostic-global-context.cc:534
0xab47bb fancy_abort(char const*, int, char const*)
/repo/gcc-trunk/gcc/diagnostics/context.cc:1640
0x1232e5a selftest::assert_rtx_eq_at(selftest::location const&, char const*,
rtx_def*, rtx_def*)
/repo/gcc-trunk/gcc/selftest-rtl.cc:57
0x1254cc9 test_scalar_int_ext_ops
/repo/gcc-trunk/gcc/simplify-rtx.cc:8732
0x1258630 test_scalar_ops
/repo/gcc-trunk/gcc/simplify-rtx.cc:8873
0x1258630 selftest::simplify_rtx_cc_tests()
/repo/gcc-trunk/gcc/simplify-rtx.cc:9455
0x21c7286 selftest::run_tests()
/repo/gcc-trunk/gcc/selftest-run-tests.cc:121
0x128253a toplev::run_self_tests()
/repo/gcc-trunk/gcc/toplev.cc:2275
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.
make[2]: *** [/repo/gcc-trunk/gcc/c/Make-lang.in:152: s-selftest-c] Error 1
make[2]: Leaving directory '/repo/build-gcc-trunk-armv7a-hardfloat/gcc'
make[1]: *** [Makefile:4725: all-gcc] Error 2
make[1]: Leaving directory '/repo/build-gcc-trunk-armv7a-hardfloat'
make: *** [Makefile:1068: all] Error 2
$ /repo/build-gcc-trunk-armv7a-hardfloat/./gcc/xgcc -v
Using built-in specs.
COLLECT_GCC=/repo/build-gcc-trunk-armv7a-hardfloat/./gcc/xgcc
Target: armv7a-hardfloat-linux-gnueabi
Configured with: /repo/gcc-trunk//configure --enable-languages=c,c++
--enable-valgrind-annotations --disable-nls --enable-checking=yes,rtl,df,extra
--enable-libsanitizer --with-float=hard --with-fpu=vfpv4 --with-arch=armv7-a
--with-sysroot=/usr/armv7a-hardfloat-linux-gnueabi --build=x86_64-pc-linux-gnu
--host=x86_64-pc-linux-gnu --target=armv7a-hardfloat-linux-gnueabi
--with-ld=/usr/bin/armv7a-hardfloat-linux-gnueabi-ld
--with-as=/usr/bin/armv7a-hardfloat-linux-gnueabi-as --disable-libstdcxx-pch
--prefix=/repo/gcc-trunk//binary-trunk-20250730032912-r16-2622-g7aa9565a62ea2c-checking-yes-rtl-df-extra-armv7a-hardfloat
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 16.0.0 20250730 (experimental) (GCC)
