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Violators will be prosecuted; Tue, 26 Jul 2016 17:29:13 +0530 X-IBM-Helo: d28dlp01.in.ibm.com X-IBM-MailFrom: nikunj@linux.vnet.ibm.com X-IBM-RcptTo: qemu-devel@nongnu.org;qemu-ppc@nongnu.org Received: from d28relay03.in.ibm.com (d28relay03.in.ibm.com [9.184.220.60]) by d28dlp01.in.ibm.com (Postfix) with ESMTP id 13BFEE0063; Tue, 26 Jul 2016 17:33:26 +0530 (IST) Received: from d28av04.in.ibm.com (d28av04.in.ibm.com [9.184.220.66]) by d28relay03.in.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id u6QBxCcS8978790; Tue, 26 Jul 2016 17:29:12 +0530 Received: from d28av04.in.ibm.com (localhost [127.0.0.1]) by d28av04.in.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id u6QBx9wj014937; Tue, 26 Jul 2016 17:29:11 +0530 Received: from abhimanyu.in.ibm.com (abhimanyu.in.ibm.com [9.124.35.101]) by d28av04.in.ibm.com (8.14.4/8.14.4/NCO v10.0 AVin) with ESMTP id u6QBwjHI013679; Tue, 26 Jul 2016 17:29:09 +0530 From: Nikunj A Dadhania To: qemu-ppc@nongnu.org, david@gibson.dropbear.id.au, rth@twiddle.net Date: Tue, 26 Jul 2016 17:28:32 +0530 X-Mailer: git-send-email 2.7.4 In-Reply-To: <1469534318-5549-1-git-send-email-nikunj@linux.vnet.ibm.com> References: <1469534318-5549-1-git-send-email-nikunj@linux.vnet.ibm.com> X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 16072611-0012-0000-0000-000002CCF861 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 16072611-0013-0000-0000-00000DF92EEB Message-Id: <1469534318-5549-10-git-send-email-nikunj@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2016-07-26_08:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 suspectscore=0 malwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1604210000 definitions=main-1607260136 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] X-Received-From: 148.163.156.1 Subject: [Qemu-devel] [PATCH v4 09/15] target-ppc: add cnttzd[.] 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: aneesh.kumar@linux.vnet.ibm.com, Sandipan Das , qemu-devel@nongnu.org, nikunj@linux.vnet.ibm.com, bharata@linux.vnet.ibm.com Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP From: Sandipan Das Add ISA3.0 Count trailing zeros double word Signed-off-by: Sandipan Das [ added ISA300 flag ] Signed-off-by: Nikunj A Dadhania Reviewed-by: Richard Henderson --- target-ppc/helper.h | 1 + target-ppc/int_helper.c | 5 +++++ target-ppc/translate.c | 10 ++++++++++ 3 files changed, 16 insertions(+) diff --git a/target-ppc/helper.h b/target-ppc/helper.h index 1f5cfd0..0c29c01 100644 --- a/target-ppc/helper.h +++ b/target-ppc/helper.h @@ -44,6 +44,7 @@ DEF_HELPER_FLAGS_2(cmpb, TCG_CALL_NO_RWG_SE, tl, tl, tl) DEF_HELPER_3(sraw, tl, env, tl, tl) #if defined(TARGET_PPC64) DEF_HELPER_FLAGS_1(cntlzd, TCG_CALL_NO_RWG_SE, tl, tl) +DEF_HELPER_FLAGS_1(cnttzd, TCG_CALL_NO_RWG_SE, tl, tl) DEF_HELPER_FLAGS_1(popcntd, TCG_CALL_NO_RWG_SE, tl, tl) DEF_HELPER_FLAGS_2(bpermd, TCG_CALL_NO_RWG_SE, i64, i64, i64) DEF_HELPER_3(srad, tl, env, tl, tl) diff --git a/target-ppc/int_helper.c b/target-ppc/int_helper.c index 7445376..93e8dfa 100644 --- a/target-ppc/int_helper.c +++ b/target-ppc/int_helper.c @@ -150,6 +150,11 @@ target_ulong helper_cntlzd(target_ulong t) { return clz64(t); } + +target_ulong helper_cnttzd(target_ulong t) +{ + return ctz64(t); +} #endif #if defined(TARGET_PPC64) diff --git a/target-ppc/translate.c b/target-ppc/translate.c index ba22e13..038106d 100644 --- a/target-ppc/translate.c +++ b/target-ppc/translate.c @@ -1824,6 +1824,15 @@ static void gen_cntlzd(DisasContext *ctx) if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } + +/* cnttzd */ +static void gen_cnttzd(DisasContext *ctx) +{ + gen_helper_cnttzd(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]); + if (unlikely(Rc(ctx->opcode) != 0)) { + gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); + } +} #endif /*** Integer rotate ***/ @@ -10061,6 +10070,7 @@ GEN_HANDLER_E(prtyw, 0x1F, 0x1A, 0x04, 0x0000F801, PPC_NONE, PPC2_ISA205), #if defined(TARGET_PPC64) GEN_HANDLER(popcntd, 0x1F, 0x1A, 0x0F, 0x0000F801, PPC_POPCNTWD), GEN_HANDLER(cntlzd, 0x1F, 0x1A, 0x01, 0x00000000, PPC_64B), +GEN_HANDLER_E(cnttzd, 0x1F, 0x1A, 0x11, 0x00000000, PPC_NONE, PPC2_ISA300), GEN_HANDLER_E(prtyd, 0x1F, 0x1A, 0x05, 0x0000F801, PPC_NONE, PPC2_ISA205), GEN_HANDLER_E(bpermd, 0x1F, 0x1C, 0x07, 0x00000001, PPC_NONE, PPC2_PERM_ISA206), #endif