From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 48) id C8BD13858409; Tue, 31 Aug 2021 15:24:20 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org C8BD13858409 From: "dje at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug rtl-optimization/102147] IRA dependent on 32-bit vs 64-bit register size Date: Tue, 31 Aug 2021 15:24:20 +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: X-Bugzilla-Severity: normal X-Bugzilla-Who: dje 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: attachments.created 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 X-BeenThere: gcc-bugs@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-bugs mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 31 Aug 2021 15:24:20 -0000 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D102147 --- Comment #2 from David Edelsohn --- Created attachment 51389 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=3D51389&action=3Dedit Pre-processed subset of tree-vect-slp.c $ gcc -O2 -fno-exceptions produces different conflicts and register allocation choices if GCC (IRA) is built as 32 bit vs 64 bit compiler.=