https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113742
Bug ID: 113742 Summary: ICE: RTL check: expected elt 1 type 'i' or 'n', have 'e' (rtx set) in riscv_macro_fusion_pair_p, at config/riscv/riscv.cc:8416 with -O2 -finstrument-functions -mtune=sifive-p600-series Product: gcc Version: 14.0 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: riscv64-unknown-linux-gnu Created attachment 57309 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=57309&action=edit reduced testcase This might need RTL checking enabled. Compiler output: $ riscv64-unknown-linux-gnu-gcc -O2 -finstrument-functions -mtune=sifive-p600-series testcase.c during RTL pass: sched2 testcase.c: In function 'foo': testcase.c:1:17: internal compiler error: RTL check: expected elt 1 type 'i' or 'n', have 'e' (rtx set) in riscv_macro_fusion_pair_p, at config/riscv/riscv.cc:8416 1 | void foo(void) {} | ^ 0xad8030 rtl_check_failed_type2(rtx_def const*, int, int, int, char const*, int, char const*) /repo/gcc-trunk/gcc/rtl.cc:761 0xb8d03e riscv_macro_fusion_pair_p /repo/gcc-trunk/gcc/config/riscv/riscv.cc:8416 0x2b933a4 sched_macro_fuse_insns /repo/gcc-trunk/gcc/sched-deps.cc:2859 0x2b933a4 sched_analyze_insn /repo/gcc-trunk/gcc/sched-deps.cc:2898 0x2b94099 deps_analyze_insn(deps_desc*, rtx_insn*) /repo/gcc-trunk/gcc/sched-deps.cc:3690 0x2b9718a sched_analyze(deps_desc*, rtx_insn*, rtx_insn*) /repo/gcc-trunk/gcc/sched-deps.cc:3843 0x16af378 compute_block_dependences /repo/gcc-trunk/gcc/sched-rgn.cc:2738 0x16af378 sched_rgn_compute_dependencies(int) /repo/gcc-trunk/gcc/sched-rgn.cc:3367 0x16b1c18 schedule_region /repo/gcc-trunk/gcc/sched-rgn.cc:3139 0x16b1c18 schedule_insns() /repo/gcc-trunk/gcc/sched-rgn.cc:3525 0x16b22bd schedule_insns() /repo/gcc-trunk/gcc/sched-rgn.cc:3511 0x16b22bd rest_of_handle_sched2 /repo/gcc-trunk/gcc/sched-rgn.cc:3749 0x16b22bd execute /repo/gcc-trunk/gcc/sched-rgn.cc:3888 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. $ riscv64-unknown-linux-gnu-gcc -v Using built-in specs. COLLECT_GCC=/repo/gcc-trunk/binary-latest-riscv64/bin/riscv64-unknown-linux-gnu-gcc COLLECT_LTO_WRAPPER=/repo/gcc-trunk/binary-trunk-r14-8771-20240203001826-g4b7d4d8a4af-checking-yes-rtl-df-extra-riscv64/bin/../libexec/gcc/riscv64-unknown-linux-gnu/14.0.1/lto-wrapper Target: riscv64-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-isa-spec=2.2 --with-sysroot=/usr/riscv64-unknown-linux-gnu --build=x86_64-pc-linux-gnu --host=x86_64-pc-linux-gnu --target=riscv64-unknown-linux-gnu --with-ld=/usr/bin/riscv64-unknown-linux-gnu-ld --with-as=/usr/bin/riscv64-unknown-linux-gnu-as --disable-multilib --disable-libstdcxx-pch --prefix=/repo/gcc-trunk//binary-trunk-r14-8771-20240203001826-g4b7d4d8a4af-checking-yes-rtl-df-extra-riscv64 Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 14.0.1 20240203 (experimental) (GCC)