https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91912
Bug ID: 91912 Summary: ICE in lra_set_insn_recog_data, at lra.c:1004 Product: gcc Version: 10.0 Status: UNCONFIRMED Keywords: ice-on-valid-code Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: marxin at gcc dot gnu.org CC: ktkachov at gcc dot gnu.org Target Milestone: --- Host: x86_64-linux-gnu Target: armv7-linux-gnueabi Following is causing ICE: $ ./arm-linux-gnueabi-gcc /home/marxin/Programming/gcc/gcc/testsuite/gcc.c-torture/compile/20000804-1.c -mcpu=fa626te -ftree-ter -c /home/marxin/Programming/gcc/gcc/testsuite/gcc.c-torture/compile/20000804-1.c: In function āfā: /home/marxin/Programming/gcc/gcc/testsuite/gcc.c-torture/compile/20000804-1.c:22:3: warning: implicit declaration of function āgā [-Wimplicit-function-declaration] 22 | g (&v); | ^ during RTL pass: reload /home/marxin/Programming/gcc/gcc/testsuite/gcc.c-torture/compile/20000804-1.c:23:1: internal compiler error: in lra_set_insn_recog_data, at lra.c:1004 23 | } | ^ 0x57eea9 lra_set_insn_recog_data(rtx_insn*) /home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/lra.c:1004 0x90a637 lra_get_insn_recog_data /home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/lra-int.h:496 0x90a637 lra_update_insn_regno_info(rtx_insn*) /home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/lra.c:1633 0x90a79f lra_update_insn_regno_info(rtx_insn*) /home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/lra.c:1631 0x90a79f lra_push_insn_1 /home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/lra.c:1791 0x90a79f lra_push_insn(rtx_insn*) /home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/lra.c:1799 0x90a79f push_insns /home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/lra.c:1842 0x90ba75 push_insns /home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/lra.c:1838 0x90ba75 lra_process_new_insns(rtx_insn*, rtx_insn*, rtx_insn*, char const*) /home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/lra.c:1890 0x91b6dc simplify_operand_subreg /home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/lra-constraints.c:1753 0x91b6dc curr_insn_transform /home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/lra-constraints.c:3911 0x91e8e6 lra_constraints(bool) /home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/lra-constraints.c:4993 0x90c764 lra(_IO_FILE*) /home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/lra.c:2452 0x8ca521 do_reload /home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/ira.c:5495 0x8ca521 execute /home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/gcc/ira.c:5681 Please submit a full bug report, with preprocessed source if appropriate. Please include the complete backtrace with any bug report. See <https://gcc.gnu.org/bugs/> for instructions. marxin@marxinbox:~/BIG/bin/arm/dev/shm/buildbot/install/gcc/bin> ./arm-linux-gnueabi-gcc -v Using built-in specs. COLLECT_GCC=./arm-linux-gnueabi-gcc COLLECT_LTO_WRAPPER=/home/marxin/BIG/bin/arm/dev/shm/buildbot/install/gcc/bin/../libexec/gcc/arm-linux-gnueabi/10.0.0/lto-wrapper Target: arm-linux-gnueabi Configured with: /home/marxin/BIG/buildbot/buildworker/marxinbox-gcc-trunk-arm/build/configure --enable-languages=c,c++,fortran --disable-bootstrap --disable-libsanitizer --disable-multilib --enable-checking=release --prefix=/dev/shm/buildbot/install/gcc --target=arm-linux-gnueabi --with-as=/usr/bin/arm-suse-linux-gnueabi-as Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 10.0.0 20190925 (experimental) f2e61afa97856a6c96f6093c13f74e447084be3a (GCC)