From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 03A923858C50; Wed, 24 Jan 2024 03:26:50 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 03A923858C50 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1706066811; bh=FFLq4CBFn/+fNLTz3PIVYQ1BEN06HfPGGKbMT8AloyE=; h=From:To:Subject:Date:In-Reply-To:References:From; b=KRqZOz+FHht9KW/ZZIunOhv2UlAGWtdbHmna/WXzwoSy8w2p2U7Iq3dTworSZaTFI +9YHIXWQcN+UdK//N0LqSc6qfVvK8DUvdFQG1wTbvam2QeGAyZer2RV2mzEi2GIy3W uaTdkKWc2F7TIrl5y6hW2klPJ/f0+b5Gq3jj2YLo= From: "pinskia at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/113485] [14 regression] ICE with -fno-guess-branch-probability on aarch64 starting with r14-7187-g74e3e839ab2d36 Date: Wed, 24 Jan 2024 03:26:50 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: target X-Bugzilla-Version: 14.0 X-Bugzilla-Keywords: ice-on-valid-code X-Bugzilla-Severity: critical X-Bugzilla-Who: pinskia at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P1 X-Bugzilla-Assigned-To: rsandifo at gcc dot gnu.org X-Bugzilla-Target-Milestone: 14.0 X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 List-Id: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D113485 --- Comment #5 from Andrew Pinski --- Note the issue is really: 9730 rtx op =3D lowpart_subreg (mode, operands[1], mode); We have: (subreg:V8QI (reg/v:V4x8QI 110 [ input_pixels ]) 8) And then lowpart_subreg returns null. Note I still have my doubts about aarch64_get_shareable_reg, especially when spread across different splits.=