From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from simark.ca by simark.ca with LMTP id MDP+FsYQfWCZaAAAWB0awg (envelope-from ) for ; Mon, 19 Apr 2021 01:10:30 -0400 Received: by simark.ca (Postfix, from userid 112) id 5ABF31F104; Mon, 19 Apr 2021 01:10:30 -0400 (EDT) X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on simark.ca X-Spam-Level: X-Spam-Status: No, score=-0.7 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,MAILING_LIST_MULTI,RDNS_DYNAMIC,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.2 Received: from sourceware.org (ip-8-43-85-97.sourceware.org [8.43.85.97]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by simark.ca (Postfix) with ESMTPS id DC7841E54D for ; Mon, 19 Apr 2021 01:10:29 -0400 (EDT) Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 7D3813957015; Mon, 19 Apr 2021 05:10:29 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 7D3813957015 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1618809029; bh=VlX7BpWB+IoDowj0d3HgXOtszNiiWeDDUH09dazeaHE=; h=Date:To:Subject:References:In-Reply-To:List-Id:List-Unsubscribe: List-Archive:List-Post:List-Help:List-Subscribe:From:Reply-To:Cc: From; b=AOeK2O4jtKGu08ndqay6QUm546t2hRh/QbekZ/tmCUKnMIeY7QG1gRud2aDkOeXKg j74eZh4jdUARGUTvjG7wPrUrvmui6VUedtq3DBppSuFL+odJQxhmIiTCHXukQuIamE Jh+yDp3DWrNbwM7GqHP4pqB9Xo/hGgttv5hYUczI= Received: from smtp.gentoo.org (smtp.gentoo.org [140.211.166.183]) by sourceware.org (Postfix) with ESMTP id 8EA083951C66 for ; Mon, 19 Apr 2021 05:10:26 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 8EA083951C66 Received: from vapier (localhost [127.0.0.1]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.gentoo.org (Postfix) with ESMTPS id 792C0335C7E; Mon, 19 Apr 2021 05:10:25 +0000 (UTC) Date: Mon, 19 Apr 2021 01:10:25 -0400 To: Jim Wilson Subject: Re: [PATCH 24/24] RISC-V sim: Fix divw and remw. Message-ID: Mail-Followup-To: Jim Wilson , gdb-patches@sourceware.org, Kito Cheng References: <20210417175831.16413-1-jimw@sifive.com> <20210417175831.16413-25-jimw@sifive.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20210417175831.16413-25-jimw@sifive.com> X-BeenThere: gdb-patches@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gdb-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , From: Mike Frysinger via Gdb-patches Reply-To: Mike Frysinger Cc: Kito Cheng , gdb-patches@sourceware.org Errors-To: gdb-patches-bounces@sourceware.org Sender: "Gdb-patches" On 17 Apr 2021 10:58, Jim Wilson wrote: > According to spec, result is -2^31 only when divisor is -1 AND dividend > is -2^31 for divw. > According to spec, result is 0 only when divisor is -1 AND dividend > is -2^31 for remw. lgtm, but needs tests -mike