From patchwork Sat Jul 23 08:44:42 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Nikunj A. Dadhania" X-Patchwork-Id: 9244545 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 EFD816077C for ; Sat, 23 Jul 2016 08:55:27 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id DC9C528169 for ; Sat, 23 Jul 2016 08:55:27 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id D08562819A; Sat, 23 Jul 2016 08:55:27 +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 51EEB28169 for ; Sat, 23 Jul 2016 08:55:27 +0000 (UTC) Received: from localhost ([::1]:50974 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bQsiU-0002XF-Gk for patchwork-qemu-devel@patchwork.kernel.org; Sat, 23 Jul 2016 04:55:26 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:51561) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bQsYk-0002ND-9k for qemu-devel@nongnu.org; Sat, 23 Jul 2016 04:45:23 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bQsYh-0007Fp-K9 for qemu-devel@nongnu.org; Sat, 23 Jul 2016 04:45:22 -0400 Received: from mx0b-001b2d01.pphosted.com ([148.163.158.5]:9197 helo=mx0a-001b2d01.pphosted.com) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bQsYh-0007Fl-F7 for qemu-devel@nongnu.org; Sat, 23 Jul 2016 04:45:19 -0400 Received: from pps.filterd (m0098420.ppops.net [127.0.0.1]) by mx0b-001b2d01.pphosted.com (8.16.0.11/8.16.0.11) with SMTP id u6N8hbWS109451 for ; Sat, 23 Jul 2016 04:45:18 -0400 Received: from e23smtp05.au.ibm.com (e23smtp05.au.ibm.com [202.81.31.147]) by mx0b-001b2d01.pphosted.com with ESMTP id 24c4rk8rbx-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Sat, 23 Jul 2016 04:45:18 -0400 Received: from localhost by e23smtp05.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Sat, 23 Jul 2016 18:45:15 +1000 Received: from d23dlp02.au.ibm.com (202.81.31.213) by e23smtp05.au.ibm.com (202.81.31.211) with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted; Sat, 23 Jul 2016 18:45:13 +1000 X-IBM-Helo: d23dlp02.au.ibm.com X-IBM-MailFrom: nikunj@linux.vnet.ibm.com X-IBM-RcptTo: qemu-devel@nongnu.org;qemu-ppc@nongnu.org Received: from d23relay07.au.ibm.com (d23relay07.au.ibm.com [9.190.26.37]) by d23dlp02.au.ibm.com (Postfix) with ESMTP id 447F02BB0045; Sat, 23 Jul 2016 18:45:13 +1000 (EST) Received: from d23av02.au.ibm.com (d23av02.au.ibm.com [9.190.235.138]) by d23relay07.au.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id u6N8jDTb23003324; Sat, 23 Jul 2016 18:45:13 +1000 Received: from d23av02.au.ibm.com (localhost [127.0.0.1]) by d23av02.au.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id u6N8jCIS030754; Sat, 23 Jul 2016 18:45:13 +1000 Received: from abhimanyu.in.ibm.com ([9.84.218.209]) by d23av02.au.ibm.com (8.14.4/8.14.4/NCO v10.0 AVin) with ESMTP id u6N8irYm030111; Sat, 23 Jul 2016 18:45:10 +1000 From: Nikunj A Dadhania To: qemu-ppc@nongnu.org, david@gibson.dropbear.id.au, rth@twiddle.net Date: Sat, 23 Jul 2016 14:14:42 +0530 X-Mailer: git-send-email 2.7.4 In-Reply-To: <1469263490-19130-1-git-send-email-nikunj@linux.vnet.ibm.com> References: <1469263490-19130-1-git-send-email-nikunj@linux.vnet.ibm.com> X-TM-AS-MML: disable X-Content-Scanned: Fidelis XPS MAILER x-cbid: 16072308-0016-0000-0000-000001B555DF X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 16072308-0017-0000-0000-0000050F0B92 Message-Id: <1469263490-19130-6-git-send-email-nikunj@linux.vnet.ibm.com> X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2016-07-23_04:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 suspectscore=2 malwarescore=0 phishscore=0 adultscore=0 bulkscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1604210000 definitions=main-1607230102 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [generic] X-Received-From: 148.163.158.5 Subject: [Qemu-devel] [RFC v2 05/13] target-ppc: add modulo word operations 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, 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 Adding following instructions: moduw: Modulo Unsigned Word modsw: Modulo Signed Word Signed-off-by: Nikunj A Dadhania --- target-ppc/helper.h | 2 ++ target-ppc/int_helper.c | 15 +++++++++++++++ target-ppc/translate.c | 19 +++++++++++++++++++ 3 files changed, 36 insertions(+) diff --git a/target-ppc/helper.h b/target-ppc/helper.h index 1f5cfd0..76072fd 100644 --- a/target-ppc/helper.h +++ b/target-ppc/helper.h @@ -41,6 +41,8 @@ DEF_HELPER_FLAGS_1(cntlzw, 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) +DEF_HELPER_FLAGS_2(modsw, TCG_CALL_NO_RWG_SE, i32, i32, i32) +DEF_HELPER_FLAGS_2(moduw, TCG_CALL_NO_RWG_SE, i32, i32, i32) DEF_HELPER_3(sraw, tl, env, tl, tl) #if defined(TARGET_PPC64) DEF_HELPER_FLAGS_1(cntlzd, TCG_CALL_NO_RWG_SE, tl, tl) diff --git a/target-ppc/int_helper.c b/target-ppc/int_helper.c index 7445376..631e0b4 100644 --- a/target-ppc/int_helper.c +++ b/target-ppc/int_helper.c @@ -139,6 +139,21 @@ uint64_t helper_divde(CPUPPCState *env, uint64_t rau, uint64_t rbu, uint32_t oe) #endif +uint32_t helper_modsw(uint32_t rau, uint32_t rbu) +{ + int32_t ra = (int32_t) rau; + int32_t rb = (int32_t) rbu; + + if ((rb == 0) || (ra == INT32_MIN && rb == -1)) { + return 0; + } + return ra % rb; +} + +uint32_t helper_moduw(uint32_t ra, uint32_t rb) +{ + return rb ? ra % rb : 0; +} target_ulong helper_cntlzw(target_ulong t) { diff --git a/target-ppc/translate.c b/target-ppc/translate.c index 7e349e8..4348efd 100644 --- a/target-ppc/translate.c +++ b/target-ppc/translate.c @@ -1175,6 +1175,23 @@ GEN_DIVE(divde, divde, 0); GEN_DIVE(divdeo, divde, 1); #endif +#define GEN_INT_ARITH_MODW(name, opc3, sign) \ +static void glue(gen_, name)(DisasContext *ctx) \ +{ \ + TCGv_i32 t0 = tcg_temp_new_i32(); \ + TCGv_i32 t1 = tcg_temp_new_i32(); \ + \ + tcg_gen_trunc_tl_i32(t0, cpu_gpr[rA(ctx->opcode)]); \ + tcg_gen_trunc_tl_i32(t1, cpu_gpr[rB(ctx->opcode)]); \ + gen_helper_##name(t0, t0 , t1); \ + tcg_gen_extu_i32_tl(cpu_gpr[rD(ctx->opcode)], t0); \ + tcg_temp_free_i32(t0); \ + tcg_temp_free_i32(t1); \ +} + +GEN_INT_ARITH_MODW(moduw, 0x08, 0); +GEN_INT_ARITH_MODW(modsw, 0x18, 1); + /* mulhw mulhw. */ static void gen_mulhw(DisasContext *ctx) { @@ -10241,6 +10258,8 @@ GEN_HANDLER_E(divwe, 0x1F, 0x0B, 0x0D, 0, PPC_NONE, PPC2_DIVE_ISA206), GEN_HANDLER_E(divweo, 0x1F, 0x0B, 0x1D, 0, PPC_NONE, PPC2_DIVE_ISA206), GEN_HANDLER_E(divweu, 0x1F, 0x0B, 0x0C, 0, PPC_NONE, PPC2_DIVE_ISA206), GEN_HANDLER_E(divweuo, 0x1F, 0x0B, 0x1C, 0, PPC_NONE, PPC2_DIVE_ISA206), +GEN_HANDLER_E(modsw, 0x1F, 0x0B, 0x18, 0x00000001, PPC_NONE, PPC2_ISA300), +GEN_HANDLER_E(moduw, 0x1F, 0x0B, 0x08, 0x00000001, PPC_NONE, PPC2_ISA300), #if defined(TARGET_PPC64) #undef GEN_INT_ARITH_DIVD