From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 487103858D32; Sat, 11 Nov 2023 11:08:34 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 487103858D32 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1699700914; bh=gvpf0qwLqt5PSFlMhIrO8BDvj4SrUttJgEaygBSjxNg=; h=From:To:Subject:Date:In-Reply-To:References:From; b=SJY6CeyEzB0e6lAJSIOICbjHBvZmEYwLRloySRWaYSM9VV2AC89dUKHeF6BbUOnxL AIYiUaZmJGbl9Bb3mmjSg2Adm0tr4FVPBXuBXUsBaCvVzExD/hWc3h16Pilv65JfYq LKZ5aeDkLiptwCQib1i2bqsjKCDX8UshtKmg3SxA= From: "xry111 at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug rtl-optimization/112476] Unrecognizable insn with -O2 -march=la464 on loongarch64 Date: Sat, 11 Nov 2023 11:08:33 +0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: rtl-optimization X-Bugzilla-Version: 14.0 X-Bugzilla-Keywords: ice-on-valid-code X-Bugzilla-Severity: normal X-Bugzilla-Who: xry111 at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: cc 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=3D112476 Xi Ruoyao changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |chenglulu at loongson dot = cn --- Comment #3 from Xi Ruoyao --- GCC internal says: =E2=80=98subreg=E2=80=99s of =E2=80=98subreg=E2=80=99s are not support= ed. Using =E2=80=98simplify_gen_subreg=E2=80=99 is the recommended way to avoid = this problem.=