https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108589
Bug ID: 108589
Summary: ICE: RTL check: expected code 'reg', have 'subreg' in
rhs_regno, at rtl.h:1932 with -mtune=ampere1a
-fno-split-wide-types
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: aarch64-unknown-linux-gnu
Created attachment 54369
--> https://gcc.gnu.org/bugzilla/attachment.cgi?id=54369&action=edit
reduced testcase
This might need RTL checking enabled.
Compiler output:
$ aarch64-unknown-linux-gnu-gcc -O2 -mtune=ampere1a -fno-split-wide-types
testcase.c
during RTL pass: sched1
testcase.c: In function 'foo':
testcase.c:11:1: internal compiler error: RTL check: expected code 'reg', have
'subreg' in rhs_regno, at rtl.h:1932
11 | }
| ^
0x7d1279 rtl_check_failed_code1(rtx_def const*, rtx_code, char const*, int,
char const*)
/repo/gcc-trunk/gcc/rtl.cc:916
0x877f1a rhs_regno
/repo/gcc-trunk/gcc/rtl.h:1932
0x87c0b2 rhs_regno
/repo/gcc-trunk/gcc/config/aarch64/aarch64.cc:25511
0x87c0b2 aarch_macro_fusion_pair_p
/repo/gcc-trunk/gcc/config/aarch64/aarch64.cc:25707
0x1fca135 sched_macro_fuse_insns
/repo/gcc-trunk/gcc/sched-deps.cc:2852
0x1fca135 sched_analyze_insn
/repo/gcc-trunk/gcc/sched-deps.cc:2891
0x1fcad29 deps_analyze_insn(deps_desc*, rtx_insn*)
/repo/gcc-trunk/gcc/sched-deps.cc:3683
0x1fcdf9c sched_analyze(deps_desc*, rtx_insn*, rtx_insn*)
/repo/gcc-trunk/gcc/sched-deps.cc:3836
0x112a3d1 compute_block_dependences
/repo/gcc-trunk/gcc/sched-rgn.cc:2733
0x112a3d1 sched_rgn_compute_dependencies(int)
/repo/gcc-trunk/gcc/sched-rgn.cc:3369
0x112ccb8 schedule_region
/repo/gcc-trunk/gcc/sched-rgn.cc:3134
0x112ccb8 schedule_insns()
/repo/gcc-trunk/gcc/sched-rgn.cc:3527
0x112d32c schedule_insns()
/repo/gcc-trunk/gcc/sched-rgn.cc:3513
0x112d32c rest_of_handle_sched
/repo/gcc-trunk/gcc/sched-rgn.cc:3731
0x112d32c execute
/repo/gcc-trunk/gcc/sched-rgn.cc:3841
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.
$ aarch64-unknown-linux-gnu-gcc -v
Using built-in specs.
COLLECT_GCC=/repo/gcc-trunk/binary-latest-aarch64/bin/aarch64-unknown-linux-gnu-gcc
COLLECT_LTO_WRAPPER=/repo/gcc-trunk/binary-trunk-r13-5461-20230127201120-g815e5740162-checking-yes-rtl-df-extra-aarch64/bin/../libexec/gcc/aarch64-unknown-linux-gnu/13.0.1/lto-wrapper
Target: aarch64-unknown-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
--with-sysroot=/usr/aarch64-unknown-linux-gnu --build=x86_64-pc-linux-gnu
--host=x86_64-pc-linux-gnu --target=aarch64-unknown-linux-gnu
--with-ld=/usr/bin/aarch64-unknown-linux-gnu-ld
--with-as=/usr/bin/aarch64-unknown-linux-gnu-as --disable-libstdcxx-pch
--prefix=/repo/gcc-trunk//binary-trunk-r13-5461-20230127201120-g815e5740162-checking-yes-rtl-df-extra-aarch64
Thread model: posix
Supported LTO compression algorithms: zlib zstd
gcc version 13.0.1 20230127 (experimental) (GCC)
