public inbox for gcc-bugs@sourceware.org help / color / mirror / Atom feed
From: "jbeulich at suse dot com" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/104497] New: SEGV during GIMPLE pass: pre Date: Fri, 11 Feb 2022 07:34:54 +0000 [thread overview] Message-ID: <bug-104497-4@http.gcc.gnu.org/bugzilla/> (raw) https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104497 Bug ID: 104497 Summary: SEGV during GIMPLE pass: pre Product: gcc Version: 11.2.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimization Assignee: unassigned at gcc dot gnu.org Reporter: jbeulich at suse dot com Target Milestone: --- Compiling this // -msse2 (on ix86) or -msse4 or -mavx // -O0 and -O1 are okay; -Os and -O2 are not typedef float __attribute__((mode(SF), vector_size(16))) vec_t; extern vec_t src, inv; void aux(vec_t); void test(void) { unsigned int i; vec_t y; for (i = 0; i < (16 / 4); ++i) y[i] = (i & 1 ? inv : src)[i]; aux(y); } yields $ gccver=11.2.0-base gccx -Wall -W -Os -msse2 -c simd-test2.c during GIMPLE pass: pre simd-test2.c: In function ‘test’: simd-test2.c:10:6: internal compiler error: Segmentation fault 10 | void test(void) | ^~~~ 0x877d21a crash_signal /usr/local/src/gcc-11.2.0/gcc/toplev.c:327 0x88d5bdd phi_translate_1 /usr/local/src/gcc-11.2.0/gcc/tree-ssa-pre.c:1717 0x88d67f9 phi_translate /usr/local/src/gcc-11.2.0/gcc/tree-ssa-pre.c:1770 0x88d8d4b phi_translate_set /usr/local/src/gcc-11.2.0/gcc/tree-ssa-pre.c:1815 0x88d9067 compute_antic_aux /usr/local/src/gcc-11.2.0/gcc/tree-ssa-pre.c:2155 0x88da2c5 compute_antic /usr/local/src/gcc-11.2.0/gcc/tree-ssa-pre.c:2501 0x88da2c5 execute /usr/local/src/gcc-11.2.0/gcc/tree-ssa-pre.c:4386 This same code compiles fine with gcc 10.
next reply other threads:[~2022-02-11 7:34 UTC|newest] Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top 2022-02-11 7:34 jbeulich at suse dot com [this message] 2022-02-11 7:50 ` [Bug tree-optimization/104497] " jbeulich at suse dot com 2022-02-11 7:57 ` pinskia at gcc dot gnu.org 2022-02-11 8:02 ` [Bug tree-optimization/104497] [11/12 Regression] Invalid gimple produced for (A?vect:vect)[i] pinskia at gcc dot gnu.org 2022-02-11 9:30 ` rguenth at gcc dot gnu.org 2022-02-11 10:00 ` rguenth at gcc dot gnu.org 2022-02-11 10:04 ` rguenth at gcc dot gnu.org 2022-02-11 10:15 ` rguenth at gcc dot gnu.org 2022-02-14 8:12 ` cvs-commit at gcc dot gnu.org 2022-02-14 8:46 ` [Bug tree-optimization/104497] [11 " rguenth at gcc dot gnu.org 2022-04-07 9:53 ` cvs-commit at gcc dot gnu.org 2022-04-07 9:54 ` rguenth 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-104497-4@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).