From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id 4ECF23858D39; Thu, 7 Mar 2024 09:28:44 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 4ECF23858D39 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1709803724; bh=S/osr6LtA+ljoiDIq5jsU9EyFay5I5bAjQXnXgYadCs=; h=From:To:Subject:Date:In-Reply-To:References:From; b=ckbewLdS87c7cEm984q1PaKhd4Q+w4BnCYZFMXqbZ4ChxNtipBTmH1U9aXE9vRi9X lAPZNTXVcCEO9y/yAaj+dDOozfd6cF4AD8397XSMpg8+mI9MPOPuff9D0HgFYQiz4X T4vjwrOkfiMR1pKX+vSXHew9dnyd0RdkRINlEwoA= From: "krebbel at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug rtl-optimization/101523] Huge number of combine attempts Date: Thu, 07 Mar 2024 09:28:43 +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: 12.0 X-Bugzilla-Keywords: compile-time-hog, memory-hog X-Bugzilla-Severity: normal X-Bugzilla-Who: krebbel at gcc dot gnu.org X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: segher at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- 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=3D101523 --- Comment #20 from Andreas Krebbel --- (In reply to Segher Boessenkool from comment #17) ... > So what is really happening? And, when did this start, anyway, because > apparently at some point in time all was fine? Due to the C++ constructs used the testcase doesn't compile with much older GCCs. However, I can confirm that the problem can already be reproduced with GCC 11.1.0.=