public inbox for gcc-bugs@sourceware.org help / color / mirror / Atom feed
From: "acoplan at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug target/99727] New: [11 Regression] MVE: ICE (segfault) in arm_print_operand at -O3 Date: Tue, 23 Mar 2021 12:45:04 +0000 [thread overview] Message-ID: <bug-99727-4@http.gcc.gnu.org/bugzilla/> (raw) https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99727 Bug ID: 99727 Summary: [11 Regression] MVE: ICE (segfault) in arm_print_operand at -O3 Product: gcc Version: 11.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: acoplan at gcc dot gnu.org Target Milestone: --- The following fails: $ cat test.c char a[7][25][15][14]; void b() { for (int c;; ++c) for (int d = 0; d < 25; ++d) for (int e = 0; e < 15; ++e) for (int f = 0; f < 14; ++f) a[c][d][e][f] = 1; } $ arm-eabi-gcc -c test.c -march=armv8.1-m.main+mve -mfloat-abi=hard -O3 during RTL pass: final test.c: In function 'b': test.c:8:1: internal compiler error: Segmentation fault 8 | } | ^ 0xd41821 crash_signal /home/alecop01/toolchain/src/gcc/gcc/toplev.c:327 0x118eba5 arm_print_operand /home/alecop01/toolchain/src/gcc/gcc/config/arm/arm.c:24201 0x960465 output_operand(rtx_def*, int) /home/alecop01/toolchain/src/gcc/gcc/final.c:4069 0x960f44 output_asm_insn(char const*, rtx_def**) /home/alecop01/toolchain/src/gcc/gcc/final.c:3962 0x9639f5 final_scan_insn_1 /home/alecop01/toolchain/src/gcc/gcc/final.c:3125 0x963c8d final_scan_insn(rtx_insn*, _IO_FILE*, int, int, int*) /home/alecop01/toolchain/src/gcc/gcc/final.c:3171 0x96489a final_1 /home/alecop01/toolchain/src/gcc/gcc/final.c:2022 0x964bf8 rest_of_handle_final /home/alecop01/toolchain/src/gcc/gcc/final.c:4676 0x964bf8 execute /home/alecop01/toolchain/src/gcc/gcc/final.c:4754 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. I can't reproduce it on the GCC 10 branch.
next reply other threads:[~2021-03-23 12:45 UTC|newest] Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-03-23 12:45 acoplan at gcc dot gnu.org [this message] 2021-03-23 12:45 ` [Bug target/99727] " acoplan at gcc dot gnu.org 2021-03-23 14:16 ` [Bug target/99727] [11 Regression] MVE: ICE (segfault) in arm_print_operand at -O3 since r11-6616-g25bef689 acoplan at gcc dot gnu.org 2021-03-23 21:55 ` clyon at gcc dot gnu.org 2021-03-24 8:32 ` rguenth at gcc dot gnu.org 2021-03-24 14:23 ` cvs-commit at gcc dot gnu.org 2021-03-24 14:24 ` clyon at gcc dot gnu.org 2021-03-24 14:28 ` acoplan at gcc dot gnu.org
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=bug-99727-4@http.gcc.gnu.org/bugzilla/ \ --to=gcc-bugzilla@gcc.gnu.org \ --cc=gcc-bugs@gcc.gnu.org \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: linkBe sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions for how to clone and mirror all data and code used for this inbox; as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).