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Violators will be prosecuted; Mon, 18 Jul 2016 22:35:29 +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 d28relay04.in.ibm.com (d28relay04.in.ibm.com [9.184.220.61]) by d28dlp01.in.ibm.com (Postfix) with ESMTP id 67182E0040; Mon, 18 Jul 2016 22:39:35 +0530 (IST) Received: from d28av03.in.ibm.com (d28av03.in.ibm.com [9.184.220.65]) by d28relay04.in.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id u6IH49LX65077408; Mon, 18 Jul 2016 22:34:09 +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 u6IH5Qeb021910; Mon, 18 Jul 2016 22:35:28 +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 u6IH5JJi021621; Mon, 18 Jul 2016 22:35:25 +0530 From: Nikunj A Dadhania To: qemu-ppc@nongnu.org, david@gibson.dropbear.id.au Date: Mon, 18 Jul 2016 22:35:10 +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: 16071817-0016-0000-0000-000002CEFE90 X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 16071817-0017-0000-0000-000024F23EF8 Message-Id: <1468861517-2508-7-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=2 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 06/13] target-ppc: add modulo dword 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: 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 Adding following instructions for ISA3.0 support modud: Modulo Unsigned Dword modsd: Modulo Signed Dword Signed-off-by: Nikunj A Dadhania --- target-ppc/translate.c | 43 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 43 insertions(+) diff --git a/target-ppc/translate.c b/target-ppc/translate.c index 487dd94..a561609 100644 --- a/target-ppc/translate.c +++ b/target-ppc/translate.c @@ -1224,6 +1224,47 @@ static void glue(gen_, name)(DisasContext *ctx) \ GEN_INT_ARITH_MODW(modsw, 0x18, 1); GEN_INT_ARITH_MODW(moduw, 0x08, 0); +#if defined(TARGET_PPC64) +static inline void gen_op_arith_modd(DisasContext *ctx, TCGv ret, TCGv arg1, + TCGv arg2, int sign) +{ + TCGLabel *l1 = gen_new_label(); + TCGLabel *l2 = gen_new_label(); + TCGv_i64 t0 = tcg_temp_local_new_i64(); + + tcg_gen_brcondi_i64(TCG_COND_EQ, arg2, 0, l1); + if (sign) { + TCGLabel *l3 = gen_new_label(); + tcg_gen_brcondi_i64(TCG_COND_NE, arg2, -1, l3); + tcg_gen_brcondi_i64(TCG_COND_EQ, arg1, INT64_MIN, l1); + gen_set_label(l3); + tcg_gen_rem_i64(ret, arg1, arg2); + } else { + tcg_gen_remu_i64(ret, arg1, arg2); + } + tcg_gen_br(l2); + gen_set_label(l1); + if (sign) { + tcg_gen_sari_i64(ret, arg1, 63); + } else { + tcg_gen_movi_i64(ret, 0); + } + gen_set_label(l2); + tcg_temp_free_i64(t0); +} + +#define GEN_INT_ARITH_MODD(name, opc3, sign) \ +static void glue(gen_, name)(DisasContext *ctx) \ +{ \ + gen_op_arith_modd(ctx, cpu_gpr[rD(ctx->opcode)], \ + cpu_gpr[rA(ctx->opcode)], cpu_gpr[rB(ctx->opcode)], \ + sign); \ +} + +GEN_INT_ARITH_MODD(modsd, 0x18, 1); +GEN_INT_ARITH_MODD(modud, 0x08, 0); +#endif + /* mulhw mulhw. */ static void gen_mulhw(DisasContext *ctx) { @@ -10306,6 +10347,8 @@ GEN_HANDLER_E(divdeu, 0x1F, 0x09, 0x0C, 0, PPC_NONE, PPC2_DIVE_ISA206), GEN_HANDLER_E(divdeuo, 0x1F, 0x09, 0x1C, 0, PPC_NONE, PPC2_DIVE_ISA206), GEN_HANDLER_E(divde, 0x1F, 0x09, 0x0D, 0, PPC_NONE, PPC2_DIVE_ISA206), GEN_HANDLER_E(divdeo, 0x1F, 0x09, 0x1D, 0, PPC_NONE, PPC2_DIVE_ISA206), +GEN_HANDLER_E(modsd, 0x1F, 0x09, 0x18, 0x00000001, PPC_NONE, PPC2_ISA300), +GEN_HANDLER_E(modud, 0x1F, 0x09, 0x08, 0x00000001, PPC_NONE, PPC2_ISA300), #undef GEN_INT_ARITH_MUL_HELPER #define GEN_INT_ARITH_MUL_HELPER(name, opc3) \