https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107984
Bug ID: 107984 Summary: ICE: in verify_target_availability, at sel-sched.cc:1553 with -O2 -fselective-scheduling2 -mabi=ms -mavx512vl 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 54025 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=54025&action=edit reduced testcase Compiler output: $ x86_64-pc-linux-gnu-gcc -O2 -fselective-scheduling2 -mabi=ms -mavx512vl testcase.c testcase.c: In function 'foo0': testcase.c:12:5: warning: division by zero [-Wdiv-by-zero] 12 | u %= 0; | ^~ during RTL pass: sched2 testcase.c:18:1: internal compiler error: in verify_target_availability, at sel-sched.cc:1553 18 | } | ^ 0x786e04 verify_target_availability /repo/gcc-trunk/gcc/sel-sched.cc:1553 0x786e04 find_best_reg_for_expr /repo/gcc-trunk/gcc/sel-sched.cc:1667 0x786e04 fill_vec_av_set /repo/gcc-trunk/gcc/sel-sched.cc:3784 0x13625c5 fill_ready_list /repo/gcc-trunk/gcc/sel-sched.cc:4014 0x13625c5 find_best_expr /repo/gcc-trunk/gcc/sel-sched.cc:4374 0x13625c5 fill_insns /repo/gcc-trunk/gcc/sel-sched.cc:5535 0x13625c5 schedule_on_fences /repo/gcc-trunk/gcc/sel-sched.cc:7353 0x13625c5 sel_sched_region_2 /repo/gcc-trunk/gcc/sel-sched.cc:7491 0x13649c6 sel_sched_region_1 /repo/gcc-trunk/gcc/sel-sched.cc:7533 0x136614c sel_sched_region(int) /repo/gcc-trunk/gcc/sel-sched.cc:7634 0x136614c sel_sched_region(int) /repo/gcc-trunk/gcc/sel-sched.cc:7619 0x13662c9 run_selective_scheduling() /repo/gcc-trunk/gcc/sel-sched.cc:7720 0x1344b55 rest_of_handle_sched2 /repo/gcc-trunk/gcc/sched-rgn.cc:3743 0x1344b55 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-r13-4497-20221206065114-g769370f3e2e-checking-yes-rtl-df-extra-nobootstrap-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 --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-r13-4497-20221206065114-g769370f3e2e-checking-yes-rtl-df-extra-nobootstrap-amd64 Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 13.0.0 20221206 (experimental) (GCC)