public inbox for gcc-bugs@sourceware.org help / color / mirror / Atom feed
From: "liuhongt at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/113576] [14 regression] 502.gcc_r hangs r14-8223-g1c1853a70f9422169190e65e568dcccbce02d95c Date: Fri, 26 Jan 2024 05:43:44 +0000 [thread overview] Message-ID: <bug-113576-4-UAKHwCKwJL@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-113576-4@http.gcc.gnu.org/bugzilla/> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113576 --- Comment #22 from Hongtao Liu <liuhongt at gcc dot gnu.org> --- typedef unsigned long mp_limb_t; typedef long mp_size_t; typedef unsigned long mp_bitcnt_t; typedef mp_limb_t *mp_ptr; typedef const mp_limb_t *mp_srcptr; #define GMP_LIMB_BITS (sizeof(mp_limb_t) * 8) #define GMP_LIMB_MAX (~ (mp_limb_t) 0) mp_bitcnt_t __attribute__((noipa)) mpn_common_scan (mp_limb_t limb, mp_size_t i, mp_srcptr up, mp_size_t un, mp_limb_t ux) { unsigned cnt; while (limb == 0) { i++; if (i == un) return (ux == 0 ? ~(mp_bitcnt_t) 0 : un * GMP_LIMB_BITS); limb = ux ^ up[i]; } return limb; } int main () { mp_limb_t up[10000]; for (int i = 0; i != 10000; i++) up[i] = 1 << 8; up[2000] = 1; mp_bitcnt_t res = mpn_common_scan (0, 0, up, 10000, 1 << 8); if (res != 257) __builtin_abort (); return 1; } aborted with -O3 -march=skylake-avx512.
next prev parent reply other threads:[~2024-01-26 5:43 UTC|newest] Thread overview: 58+ messages / expand[flat|nested] mbox.gz Atom feed top 2024-01-24 10:05 [Bug tree-optimization/113576] New: " liuhongt at gcc dot gnu.org 2024-01-24 10:07 ` [Bug tree-optimization/113576] " liuhongt at gcc dot gnu.org 2024-01-24 12:27 ` rguenth at gcc dot gnu.org 2024-01-24 13:37 ` rguenth at gcc dot gnu.org 2024-01-24 13:47 ` rguenth at gcc dot gnu.org 2024-01-24 13:50 ` rguenth at gcc dot gnu.org 2024-01-25 1:03 ` liuhongt at gcc dot gnu.org 2024-01-25 6:28 ` liuhongt at gcc dot gnu.org 2024-01-25 7:02 ` liuhongt at gcc dot gnu.org 2024-01-25 7:39 ` cvs-commit at gcc dot gnu.org 2024-01-25 8:34 ` liuhongt at gcc dot gnu.org 2024-01-25 8:52 ` rguenth at gcc dot gnu.org 2024-01-25 9:15 ` rguenther at suse dot de 2024-01-25 9:26 ` rsandifo at gcc dot gnu.org 2024-01-25 10:09 ` liuhongt at gcc dot gnu.org 2024-01-25 10:13 ` rguenth at gcc dot gnu.org 2024-01-25 12:24 ` rsandifo at gcc dot gnu.org 2024-01-25 13:03 ` tnfchris at gcc dot gnu.org 2024-01-25 13:28 ` rsandifo at gcc dot gnu.org 2024-01-25 14:12 ` rguenther at suse dot de 2024-01-26 2:24 ` liuhongt at gcc dot gnu.org 2024-01-26 3:12 ` liuhongt at gcc dot gnu.org 2024-01-26 5:43 ` liuhongt at gcc dot gnu.org [this message] 2024-01-29 17:28 ` tnfchris at gcc dot gnu.org 2024-01-29 18:31 ` tnfchris at gcc dot gnu.org 2024-01-30 3:29 ` liuhongt at gcc dot gnu.org 2024-01-30 7:46 ` tnfchris at gcc dot gnu.org 2024-01-30 8:26 ` rguenth at gcc dot gnu.org 2024-01-30 8:34 ` liuhongt at gcc dot gnu.org 2024-01-30 8:56 ` rguenth at gcc dot gnu.org 2024-01-30 10:12 ` rsandifo at gcc dot gnu.org 2024-01-30 10:39 ` rguenther at suse dot de 2024-02-01 8:59 ` rguenth at gcc dot gnu.org 2024-02-01 9:06 ` jakub at gcc dot gnu.org 2024-02-01 9:18 ` rsandifo at gcc dot gnu.org 2024-02-01 10:04 ` rguenth at gcc dot gnu.org 2024-02-07 15:08 ` rguenth at gcc dot gnu.org 2024-02-08 1:18 ` liuhongt at gcc dot gnu.org 2024-02-08 1:58 ` liuhongt at gcc dot gnu.org 2024-02-08 4:22 ` liuhongt at gcc dot gnu.org 2024-02-08 7:36 ` jakub at gcc dot gnu.org 2024-02-08 10:35 ` rguenth at gcc dot gnu.org 2024-02-08 10:48 ` rguenth at gcc dot gnu.org 2024-02-08 14:58 ` liuhongt at gcc dot gnu.org 2024-02-08 15:07 ` liuhongt at gcc dot gnu.org 2024-02-08 15:19 ` liuhongt at gcc dot gnu.org 2024-02-14 12:07 ` cvs-commit at gcc dot gnu.org 2024-02-14 12:38 ` rguenth at gcc dot gnu.org 2024-02-14 13:48 ` ubizjak at gmail dot com 2024-02-14 13:54 ` rguenth at gcc dot gnu.org 2024-02-14 13:59 ` jakub at gcc dot gnu.org 2024-02-14 14:01 ` jakub at gcc dot gnu.org 2024-02-14 14:31 ` ubizjak at gmail dot com 2024-02-14 14:36 ` jakub at gcc dot gnu.org 2024-02-14 15:07 ` rguenth at gcc dot gnu.org 2024-02-14 15:26 ` ubizjak at gmail dot com 2024-02-14 20:18 ` ubizjak at gmail dot com 2024-02-18 2:10 ` liuhongt 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-113576-4-UAKHwCKwJL@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).