From patchwork Fri Nov 25 03:53:33 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jose Ricardo Ziviani X-Patchwork-Id: 9446443 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 76B9A6071C for ; Fri, 25 Nov 2016 03:59:05 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 5828826C9B for ; Fri, 25 Nov 2016 03:59:05 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 4CB42271CB; Fri, 25 Nov 2016 03:59:05 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 888C626C9B for ; Fri, 25 Nov 2016 03:59:01 +0000 (UTC) Received: from localhost ([::1]:43492 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cA7fA-0005sa-Ml for patchwork-qemu-devel@patchwork.kernel.org; Thu, 24 Nov 2016 22:59:00 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:50293) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cA7aO-00020L-9X for qemu-devel@nongnu.org; Thu, 24 Nov 2016 22:54:09 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cA7aJ-0005K1-Dz for qemu-devel@nongnu.org; Thu, 24 Nov 2016 22:54:04 -0500 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:56109) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1cA7aJ-0005Jg-5X for qemu-devel@nongnu.org; Thu, 24 Nov 2016 22:53:59 -0500 Received: from pps.filterd (m0098393.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.17/8.16.0.17) with SMTP id uAP3mZVi066845 for ; Thu, 24 Nov 2016 22:53:58 -0500 Received: from e24smtp01.br.ibm.com (e24smtp01.br.ibm.com [32.104.18.85]) by mx0a-001b2d01.pphosted.com with ESMTP id 26x3djj65b-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Thu, 24 Nov 2016 22:53:57 -0500 Received: from localhost by e24smtp01.br.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! 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Violators will be prosecuted; Fri, 25 Nov 2016 01:53:53 -0200 Received: from d24relay04.br.ibm.com (d24relay04.br.ibm.com [9.18.232.146]) by d24dlp02.br.ibm.com (Postfix) with ESMTP id 8F9901DC0029; Thu, 24 Nov 2016 22:53:52 -0500 (EST) Received: from d24av05.br.ibm.com (d24av05.br.ibm.com [9.18.232.44]) by d24relay04.br.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id uAP3rqXL19988686; Fri, 25 Nov 2016 01:53:52 -0200 Received: from d24av05.br.ibm.com (localhost [127.0.0.1]) by d24av05.br.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id uAP3rq9K004357; Fri, 25 Nov 2016 01:53:52 -0200 Received: from pacoca.ibm.com ([9.80.218.176]) by d24av05.br.ibm.com (8.14.4/8.14.4/NCO v10.0 AVin) with ESMTP id uAP3raVP004312; Fri, 25 Nov 2016 01:53:49 -0200 From: Jose Ricardo Ziviani To: qemu-ppc@nongnu.org Date: Fri, 25 Nov 2016 01:53:33 -0200 X-Mailer: git-send-email 2.7.4 In-Reply-To: <1480046013-24788-1-git-send-email-joserz@linux.vnet.ibm.com> References: <1480046013-24788-1-git-send-email-joserz@linux.vnet.ibm.com> X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 16112503-1523-0000-0000-00000252C324 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 16112503-1524-0000-0000-000029DBC803 Message-Id: <1480046013-24788-5-git-send-email-joserz@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2016-11-24_11:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 suspectscore=1 malwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1609300000 definitions=main-1611250066 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] [fuzzy] X-Received-From: 148.163.156.1 Subject: [Qemu-devel] [PATCH v3 4/4] target-ppc: Implement bcdsetsgn. instruction X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: bharata@linux.vnet.ibm.com, qemu-devel@nongnu.org, nikunj@linux.vnet.ibm.com, david@gibson.dropbear.id.au Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP bcdsetsgn.: Decimal set sign. This instruction copies the register value to the result register but adjust the signal according to the preferred sign value. Signed-off-by: Jose Ricardo Ziviani Reviewed-by: David Gibson --- target-ppc/helper.h | 1 + target-ppc/int_helper.c | 19 +++++++++++++++++++ target-ppc/translate/vmx-impl.inc.c | 8 ++++++++ 3 files changed, 28 insertions(+) diff --git a/target-ppc/helper.h b/target-ppc/helper.h index 2974101..ac8901f 100644 --- a/target-ppc/helper.h +++ b/target-ppc/helper.h @@ -385,6 +385,7 @@ DEF_HELPER_3(bcdctz, i32, avr, avr, i32) DEF_HELPER_3(bcdcfsq, i32, avr, avr, i32) DEF_HELPER_3(bcdctsq, i32, avr, avr, i32) DEF_HELPER_4(bcdcpsgn, i32, avr, avr, avr, i32) +DEF_HELPER_3(bcdsetsgn, i32, avr, avr, i32) DEF_HELPER_2(xsadddp, void, env, i32) DEF_HELPER_2(xssubdp, void, env, i32) diff --git a/target-ppc/int_helper.c b/target-ppc/int_helper.c index e69a5a4..25c8580 100644 --- a/target-ppc/int_helper.c +++ b/target-ppc/int_helper.c @@ -2975,6 +2975,25 @@ uint32_t helper_bcdcpsgn(ppc_avr_t *r, ppc_avr_t *a, ppc_avr_t *b, uint32_t ps) return bcd_cmp_zero(r); } +uint32_t helper_bcdsetsgn(ppc_avr_t *r, ppc_avr_t *b, uint32_t ps) +{ + int i; + int invalid = 0; + int sgnb = bcd_get_sgn(b); + + *r = *b; + bcd_put_digit(r, bcd_preferred_sgn(sgnb, ps), 0); + + for (i = 1; i < 32; i++) { + bcd_get_digit(b, i, &invalid); + if (unlikely(invalid)) { + return CRF_SO; + } + } + + return bcd_cmp_zero(r); +} + void helper_vsbox(ppc_avr_t *r, ppc_avr_t *a) { int i; diff --git a/target-ppc/translate/vmx-impl.inc.c b/target-ppc/translate/vmx-impl.inc.c index c14b666..b188e60 100644 --- a/target-ppc/translate/vmx-impl.inc.c +++ b/target-ppc/translate/vmx-impl.inc.c @@ -991,6 +991,7 @@ GEN_BCD2(bcdcfz) GEN_BCD2(bcdctz) GEN_BCD2(bcdcfsq) GEN_BCD2(bcdctsq) +GEN_BCD2(bcdsetsgn) GEN_BCD(bcdcpsgn); static void gen_xpnd04_1(DisasContext *ctx) @@ -1014,6 +1015,9 @@ static void gen_xpnd04_1(DisasContext *ctx) case 7: gen_bcdcfn(ctx); break; + case 31: + gen_bcdsetsgn(ctx); + break; default: gen_invalid(ctx); break; @@ -1038,12 +1042,16 @@ static void gen_xpnd04_2(DisasContext *ctx) case 7: gen_bcdcfn(ctx); break; + case 31: + gen_bcdsetsgn(ctx); + break; default: gen_invalid(ctx); break; } } + GEN_VXFORM_DUAL(vsubcuw, PPC_ALTIVEC, PPC_NONE, \ xpnd04_1, PPC_NONE, PPC2_ISA300) GEN_VXFORM_DUAL(vsubsws, PPC_ALTIVEC, PPC_NONE, \