From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 9C2AB3846424; Wed, 10 Apr 2024 22:44:34 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 9C2AB3846424 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1712789074; bh=quHS+J85OpZ7e0FadPteRsuZyFQBtsJ+S5Wf1GTCcqs=; h=From:To:Subject:Date:In-Reply-To:References:From; b=F6mYCRy3jB6p0f3hOuCAlzcx1kBB8jMAdvwW2ycCOComp3OYcbRQhbY/5KaneOD75 2xVdo4QEmRsXI1SD2HwsArwmxdGqMGCUztd9VhVROMXz/jEGl0Pj7wiAgXBXO70ir8 X8egDlMIPy83sgJF0Y1d1B41W0nrBO1XI0Gqealk= From: "segher at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug rtl-optimization/112560] [14 Regression] ICE in try_combine on pr112494.c Date: Wed, 10 Apr 2024 22:44:34 +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-checking, ice-on-valid-code, patch X-Bugzilla-Severity: normal X-Bugzilla-Who: segher at gcc dot gnu.org X-Bugzilla-Status: RESOLVED X-Bugzilla-Resolution: FIXED X-Bugzilla-Priority: P1 X-Bugzilla-Assigned-To: ubizjak at gmail dot com 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=3D112560 --- Comment #12 from Segher Boessenkool --- You cannot use a :CC value as argument of an unspec, as explained before. The result of a comparison is expressed as a comparison, in RTL. This patch allows malformed RTL in more places than before, not progress at all.=