From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from us-smtp-delivery-1.mimecast.com (us-smtp-delivery-1.mimecast.com [205.139.110.120]) by sourceware.org (Postfix) with ESMTP id B93B8384A033 for ; Mon, 27 Apr 2020 16:29:18 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org B93B8384A033 Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-256-sbc_fXTaPEK0tiLrNZWNqg-1; Mon, 27 Apr 2020 12:29:16 -0400 X-MC-Unique: sbc_fXTaPEK0tiLrNZWNqg-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 9F91383DE6C; Mon, 27 Apr 2020 16:29:15 +0000 (UTC) Received: from redhat.com (ovpn-112-91.phx2.redhat.com [10.3.112.91]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 8308D5D9DD; Mon, 27 Apr 2020 16:29:15 +0000 (UTC) Received: from fche by redhat.com with local (Exim 4.92.3) (envelope-from ) id 1jT6d8-0005e2-4n; Mon, 27 Apr 2020 12:29:14 -0400 Date: Mon, 27 Apr 2020 12:29:14 -0400 From: "Frank Ch. Eigler" To: Sergey Belyashov Cc: cgen@sourceware.org Subject: Re: BUG: non-fixed-length ISAs are unsupported for now Message-ID: <20200427162914.GA21677@redhat.com> References: MIME-Version: 1.0 In-Reply-To: User-Agent: Mutt/1.12.0 (2019-05-25) X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable Content-Disposition: inline X-Spam-Status: No, score=-12.3 required=5.0 tests=BAYES_00, DKIMWL_WL_HIGH, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on server2.sourceware.org X-BeenThere: cgen@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Cgen mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 27 Apr 2020 16:29:20 -0000 Hi - > While analyzing code of CGEN I have found next code: > [...] > Can anybody add support for non-fixed-length ISAs? I am not expecting major cgen improvements. However, if your base-insn-size is large enough to contain all the opcode-like bits of your largest possible instruction, you may not need those improvements. - FChE