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Violators will be prosecuted; Mon, 18 Jul 2016 22:35:37 +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 d28relay09.in.ibm.com (d28relay09.in.ibm.com [9.184.220.160]) by d28dlp03.in.ibm.com (Postfix) with ESMTP id CF275125805C; Mon, 18 Jul 2016 22:38:30 +0530 (IST) Received: from d28av03.in.ibm.com (d28av03.in.ibm.com [9.184.220.65]) by d28relay09.in.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id u6IH5aC833685554; Mon, 18 Jul 2016 22:35:36 +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 u6IH5YtD022301; Mon, 18 Jul 2016 22:35:36 +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 u6IH5JJn021621; Mon, 18 Jul 2016 22:35:32 +0530 From: Nikunj A Dadhania To: qemu-ppc@nongnu.org, david@gibson.dropbear.id.au Date: Mon, 18 Jul 2016 22:35:15 +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: 16071817-4789-0000-0000-000002F38DEF X-IBM-AV-DETECTION: SAVI=unused REMOTE=unused XFE=unused x-cbparentid: 16071817-4790-0000-0000-000010FF945C Message-Id: <1468861517-2508-12-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 11/13] target-ppc: add maddld 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 maddld: Multiply-Add Low Doubleword Multiplies two 64-bit registers (RA * RB), adds third register(RC) to the result(quadword) and returns the lower dword in the target register(RT). Signed-off-by: Nikunj A Dadhania --- target-ppc/translate.c | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/target-ppc/translate.c b/target-ppc/translate.c index 9464942..9717048 100644 --- a/target-ppc/translate.c +++ b/target-ppc/translate.c @@ -7760,6 +7760,33 @@ GEN_VAFORM_PAIRED(vmsumshm, vmsumshs, 20) GEN_VAFORM_PAIRED(vsel, vperm, 21) GEN_VAFORM_PAIRED(vmaddfp, vnmsubfp, 23) +#if defined(TARGET_PPC64) +static void gen_maddld(DisasContext *ctx) +{ + TCGv_i64 lo = tcg_temp_new_i64(); + TCGv_i64 hi = tcg_temp_new_i64(); + TCGv_i64 t1 = tcg_temp_new_i64(); + TCGv_i64 t2 = tcg_temp_new_i64(); + TCGv_i64 zero = tcg_const_i64(0); + TCGv_i64 neg = tcg_const_i64(-1); + + if (Rc(ctx->opcode)) { + tcg_gen_muls2_i64(lo, hi, cpu_gpr[rA(ctx->opcode)], + cpu_gpr[rB(ctx->opcode)]); + tcg_gen_movi_i64(t2, -1); + tcg_gen_movcond_i64(TCG_COND_GE, t2, cpu_gpr[rC(ctx->opcode)], zero, zero, neg); + } + tcg_gen_mov_i64(t1, zero); + tcg_gen_add2_i64(cpu_gpr[rD(ctx->opcode)], t1, lo, hi, cpu_gpr[rC(ctx->opcode)], t2); + tcg_temp_free_i64(lo); + tcg_temp_free_i64(hi); + tcg_temp_free_i64(t1); + tcg_temp_free_i64(t2); + tcg_temp_free_i64(zero); + tcg_temp_free_i64(neg); +} +#endif /* defined(TARGET_PPC64) */ + GEN_VXFORM_NOA(vclzb, 1, 28) GEN_VXFORM_NOA(vclzh, 1, 29) GEN_VXFORM_NOA(vclzw, 1, 30) @@ -10373,6 +10400,9 @@ GEN_HANDLER(lvsr, 0x1f, 0x06, 0x01, 0x00000001, PPC_ALTIVEC), GEN_HANDLER(mfvscr, 0x04, 0x2, 0x18, 0x001ff800, PPC_ALTIVEC), GEN_HANDLER(mtvscr, 0x04, 0x2, 0x19, 0x03ff0000, PPC_ALTIVEC), GEN_HANDLER(vmladduhm, 0x04, 0x11, 0xFF, 0x00000000, PPC_ALTIVEC), +#if defined(TARGET_PPC64) +GEN_HANDLER_E(maddld, 0x04, 0x19, 0xFF, 0x00000000, PPC_NONE, PPC2_ISA300), +#endif GEN_HANDLER2(evsel0, "evsel", 0x04, 0x1c, 0x09, 0x00000000, PPC_SPE), GEN_HANDLER2(evsel1, "evsel", 0x04, 0x1d, 0x09, 0x00000000, PPC_SPE), GEN_HANDLER2(evsel2, "evsel", 0x04, 0x1e, 0x09, 0x00000000, PPC_SPE),