From patchwork Mon May 12 23:06:15 2014 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: DJ Delorie X-Patchwork-Id: 877 Return-Path: X-Original-To: siddhesh@wilcox.dreamhost.com Delivered-To: siddhesh@wilcox.dreamhost.com Received: from homiemail-mx21.g.dreamhost.com (mx2.sub5.homie.mail.dreamhost.com [208.113.200.128]) by wilcox.dreamhost.com (Postfix) with ESMTP id 49AA03600BE for ; Mon, 12 May 2014 16:06:21 -0700 (PDT) Received: by homiemail-mx21.g.dreamhost.com (Postfix, from userid 14314964) id EA3DD14F845C; Mon, 12 May 2014 16:06:20 -0700 (PDT) X-Original-To: gdb@patchwork.siddhesh.in Delivered-To: x14314964@homiemail-mx21.g.dreamhost.com Received: from sourceware.org (server1.sourceware.org [209.132.180.131]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by homiemail-mx21.g.dreamhost.com (Postfix) with ESMTPS id C744D14F8457 for ; Mon, 12 May 2014 16:06:20 -0700 (PDT) DomainKey-Signature: a=rsa-sha1; c=nofws; d=sourceware.org; h=list-id :list-unsubscribe:list-subscribe:list-archive:list-post :list-help:sender:date:message-id:from:to:subject; q=dns; s= default; b=fb56dSGwghAfxfbWHHCvl40++4Scvu3CB2PNWB9Zt2zMYtznw/EUE J20+Cfw0Uhz1UWBu0wfz8S0c4IgRGiMLZj48uhzEsuE4Eu0sIheWDs8LqnV3uRpD Bb1RzJNQJ4COZXE2c7Ab0CBGjynvUM2kt3t2lfYMnOj8PUqJmG7OKo= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed; d=sourceware.org; h=list-id :list-unsubscribe:list-subscribe:list-archive:list-post :list-help:sender:date:message-id:from:to:subject; s=default; bh=VKnlMUo5C0EcmBsKNfY4+elceXc=; b=p5ksCHkOxHgryQMKPCBZsZGmyMg/ GoWS14WW72vhWRtymNwrozzveq0Gqs8F0YzyI/bz2L11+cWv7FWIODM9K/u5EWD5 3Tl/RoeuBd5U33QFRsxsdV/+1j/UnGXCk4aWQva3iOjkqoKuIn2n+95/tNIfxbym FFZJi7yUlUA1k6s= Received: (qmail 14765 invoked by alias); 12 May 2014 23:06:19 -0000 Mailing-List: contact gdb-patches-help@sourceware.org; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: gdb-patches-owner@sourceware.org Delivered-To: mailing list gdb-patches@sourceware.org Received: (qmail 14756 invoked by uid 89); 12 May 2014 23:06:18 -0000 Authentication-Results: sourceware.org; auth=none X-Virus-Found: No X-Spam-SWARE-Status: No, score=0.0 required=5.0 tests=none autolearn=ham version=3.3.2 X-HELO: mx1.redhat.com Received: from mx1.redhat.com (HELO mx1.redhat.com) (209.132.183.28) by sourceware.org (qpsmtpd/0.93/v0.84-503-g423c35a) with ESMTP; Mon, 12 May 2014 23:06:18 +0000 Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id s4CN6GQc013917 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK) for ; Mon, 12 May 2014 19:06:17 -0400 Received: from greed.delorie.com (ovpn-113-109.phx2.redhat.com [10.3.113.109]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id s4CN6GJC023084 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO) for ; Mon, 12 May 2014 19:06:16 -0400 Received: from greed.delorie.com (greed.delorie.com [127.0.0.1]) by greed.delorie.com (8.14.4/8.14.4) with ESMTP id s4CN6FxQ010615 for ; Mon, 12 May 2014 19:06:15 -0400 Received: (from dj@localhost) by greed.delorie.com (8.14.4/8.14.4/Submit) id s4CN6F4J010614; Mon, 12 May 2014 19:06:15 -0400 Date: Mon, 12 May 2014 19:06:15 -0400 Message-Id: <201405122306.s4CN6F4J010614@greed.delorie.com> From: DJ Delorie To: gdb-patches@sourceware.org Subject: [sim/msp430] support 32-bit sign extension X-IsSubscribed: yes X-DH-Original-To: gdb@patchwork.siddhesh.in Needed for the hardware multiply unit. Committed. * msp43-sim.c (sign_ext): Change to "long long" to support sign-extending 32-bit values. diff --git a/sim/msp430/msp430-sim.c b/sim/msp430/msp430-sim.c index 693fdee..2dcbae3 100644 --- a/sim/msp430/msp430-sim.c +++ b/sim/msp430/msp430-sim.c @@ -337,11 +337,11 @@ zero_ext (unsigned int v, unsigned int bits) return v; } -static signed int -sign_ext (signed int v, unsigned int bits) +static signed long long +sign_ext (signed long long v, unsigned int bits) { - int sb = 1 << (bits-1); /* Sign bit. */ - int mb = (1 << (bits-1)) - 1; /* Mantissa bits. */ + signed long long sb = 1LL << (bits-1); /* Sign bit. */ + signed long long mb = (1LL << (bits-1)) - 1LL; /* Mantissa bits. */ if (v & sb) v = v | ~mb;