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Violators will be prosecuted; Mon, 18 Jul 2016 22:35:33 +0530 X-IBM-Helo: d28dlp03.in.ibm.com X-IBM-MailFrom: nikunj@linux.vnet.ibm.com X-IBM-RcptTo: qemu-devel@nongnu.org;qemu-ppc@nongnu.org Received: from d28relay05.in.ibm.com (d28relay05.in.ibm.com [9.184.220.62]) by d28dlp03.in.ibm.com (Postfix) with ESMTP id C6821125804F; Mon, 18 Jul 2016 22:38:26 +0530 (IST) Received: from d28av03.in.ibm.com (d28av03.in.ibm.com [9.184.220.65]) by d28relay05.in.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id u6IH4CQ050135110; Mon, 18 Jul 2016 22:34:12 +0530 Received: from d28av03.in.ibm.com (localhost [127.0.0.1]) by d28av03.in.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id u6IH5SS9022039; Mon, 18 Jul 2016 22:35:30 +0530 Received: from abhimanyu.in.ibm.com ([9.124.211.241]) by d28av03.in.ibm.com (8.14.4/8.14.4/NCO v10.0 AVin) with ESMTP id u6IH5JJk021621; Mon, 18 Jul 2016 22:35:27 +0530 From: Nikunj A Dadhania To: qemu-ppc@nongnu.org, david@gibson.dropbear.id.au Date: Mon, 18 Jul 2016 22:35:12 +0530 X-Mailer: git-send-email 2.7.4 In-Reply-To: <1468861517-2508-1-git-send-email-nikunj@linux.vnet.ibm.com> References: <1468861517-2508-1-git-send-email-nikunj@linux.vnet.ibm.com> X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 16071817-0048-0000-0000-000002C1F2BC X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 16071817-0049-0000-0000-00000DC96C42 Message-Id: <1468861517-2508-9-git-send-email-nikunj@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2016-07-18_07:, , 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-1607180188 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] X-Received-From: 148.163.158.5 Subject: [Qemu-devel] [RFC v1 08/13] target-ppc: add cnttzw[.] 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: qemu-devel@nongnu.org, nikunj@linux.vnet.ibm.com, aneesh.kumar@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 Add ISA3.0: Count trailing zeros word instruction. Signed-off-by: Nikunj A Dadhania --- 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 0c29c01..9c79808 100644 --- a/target-ppc/helper.h +++ b/target-ppc/helper.h @@ -38,6 +38,7 @@ DEF_HELPER_4(divweu, tl, env, tl, tl, i32) DEF_HELPER_4(divwe, tl, env, tl, tl, i32) DEF_HELPER_FLAGS_1(cntlzw, TCG_CALL_NO_RWG_SE, tl, tl) +DEF_HELPER_FLAGS_1(cnttzw, TCG_CALL_NO_RWG_SE, tl, tl) DEF_HELPER_FLAGS_1(popcntb, TCG_CALL_NO_RWG_SE, tl, tl) DEF_HELPER_FLAGS_1(popcntw, TCG_CALL_NO_RWG_SE, tl, tl) DEF_HELPER_FLAGS_2(cmpb, TCG_CALL_NO_RWG_SE, tl, tl, tl) diff --git a/target-ppc/int_helper.c b/target-ppc/int_helper.c index 93e8dfa..02b6df3 100644 --- a/target-ppc/int_helper.c +++ b/target-ppc/int_helper.c @@ -145,6 +145,11 @@ target_ulong helper_cntlzw(target_ulong t) return clz32(t); } +target_ulong helper_cnttzw(target_ulong t) +{ + return ctz32(t); +} + #if defined(TARGET_PPC64) target_ulong helper_cntlzd(target_ulong t) { diff --git a/target-ppc/translate.c b/target-ppc/translate.c index 5f38080..a57f7dd 100644 --- a/target-ppc/translate.c +++ b/target-ppc/translate.c @@ -1580,6 +1580,15 @@ static void gen_cntlzw(DisasContext *ctx) if (unlikely(Rc(ctx->opcode) != 0)) gen_set_Rc0(ctx, cpu_gpr[rA(ctx->opcode)]); } + +/* cnttzw */ +static void gen_cnttzw(DisasContext *ctx) +{ + gen_helper_cnttzw(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)]); +} + /* eqv & eqv. */ GEN_LOGICAL2(eqv, tcg_gen_eqv_tl, 0x08, PPC_INTEGER); /* extsb & extsb. */ @@ -10053,6 +10062,7 @@ GEN_HANDLER(subfic, 0x08, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), GEN_HANDLER2(andi_, "andi.", 0x1C, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), GEN_HANDLER2(andis_, "andis.", 0x1D, 0xFF, 0xFF, 0x00000000, PPC_INTEGER), GEN_HANDLER(cntlzw, 0x1F, 0x1A, 0x00, 0x00000000, PPC_INTEGER), +GEN_HANDLER_E(cnttzw, 0x1F, 0x1A, 0x10, 0x00000000, PPC_NONE, PPC2_ISA300), GEN_HANDLER(or, 0x1F, 0x1C, 0x0D, 0x00000000, PPC_INTEGER), GEN_HANDLER(xor, 0x1F, 0x1C, 0x09, 0x00000000, PPC_INTEGER), GEN_HANDLER(ori, 0x18, 0xFF, 0xFF, 0x00000000, PPC_INTEGER),